Implemented update action : adelete.
[idzebra-moved-to-github.git] / index / extract.c
index 02ee660..be000c2 100644 (file)
@@ -1,5 +1,5 @@
-/* $Id: extract.c,v 1.183 2005-05-31 13:01:36 adam Exp $
-   Copyright (C) 1995-2005
+/* $Id: extract.c,v 1.275 2007-12-20 11:15:42 adam Exp $
+   Copyright (C) 1995-2007
    Index Data ApS
 
 This file is part of the Zebra server.
@@ -15,9 +15,13 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra.  If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+/** \file
+    \brief indexes records and extract tokens for indexing and sorting
 */
 
 #include <stdio.h>
@@ -25,267 +29,444 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include <ctype.h>
 #ifdef WIN32
 #include <io.h>
-#else
+#endif
+#if HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 #include <fcntl.h>
 
+
 #include "index.h"
+#include "orddict.h"
 #include <direntz.h>
 #include <charmap.h>
+#include <yaz/snprintf.h>
 
-#if _FILE_OFFSET_BITS == 64
-#define PRINTF_OFF_T "%Ld"
-#else
-#define PRINTF_OFF_T "%ld"
-#endif
+static int log_level_extract = 0;
+static int log_level_details = 0;
+static int log_level_initialized = 0;
+
+/* 1 if we use eliminitate identical delete/insert keys */
+/* eventually this the 0-case code will be removed */
+#define FLUSH2 1
 
-#define USE_SHELLSORT 0
+void extract_flush_record_keys2(ZebraHandle zh, zint sysno,
+                                zebra_rec_keys_t ins_keys,
+                                zint ins_rank,
+                                zebra_rec_keys_t del_keys,
+                                zint del_rank);
 
-#if USE_SHELLSORT
-static void shellsort(void *ar, int r, size_t s,
-                      int (*cmp)(const void *a, const void *b))
+static void zebra_init_log_level(void)
 {
-    char *a = ar;
-    char v[100];
-    int h, i, j, k;
-    static const int incs[16] = { 1391376, 463792, 198768, 86961, 33936,
-                                  13776, 4592, 1968, 861, 336, 
-                                  112, 48, 21, 7, 3, 1 };
-    for ( k = 0; k < 16; k++)
-        for (h = incs[k], i = h; i < r; i++)
-        { 
-            memcpy (v, a+s*i, s);
-            j = i;
-            while (j > h && (*cmp)(a + s*(j-h), v) > 0)
-            {
-                memcpy (a + s*j, a + s*(j-h), s);
-                j -= h;
-            }
-            memcpy (a+s*j, v, s);
-        } 
+    if (!log_level_initialized)
+    {
+        log_level_initialized = 1;
+
+        log_level_extract = yaz_log_module_level("extract");
+        log_level_details = yaz_log_module_level("indexdetails");
+    }
+}
+
+static void extract_flush_sort_keys(ZebraHandle zh, zint sysno,
+                                    int cmd, zebra_rec_keys_t skp);
+static void extract_schema_add(struct recExtractCtrl *p, Odr_oid *oid);
+static void extract_token_add(RecWord *p);
+
+static void check_log_limit(ZebraHandle zh)
+{
+    if (zh->records_processed + zh->records_skipped == zh->m_file_verbose_limit)
+    {
+        yaz_log(YLOG_LOG, "More than %d file log entries. Omitting rest",
+                zh->m_file_verbose_limit);
+    }
 }
-#endif
 
-static void logRecord (ZebraHandle zh)
+static void logRecord(ZebraHandle zh)
 {
+    check_log_limit(zh);
     ++zh->records_processed;
     if (!(zh->records_processed % 1000))
     {
-        yaz_log (YLOG_LOG, "Records: "ZINT_FORMAT" i/u/d "
-                       ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT, 
-              zh->records_processed, zh->records_inserted, zh->records_updated,
-              zh->records_deleted);
+        yaz_log(YLOG_LOG, "Records: "ZINT_FORMAT" i/u/d "
+                ZINT_FORMAT"/"ZINT_FORMAT"/"ZINT_FORMAT, 
+                zh->records_processed, zh->records_inserted, 
+                zh->records_updated, zh->records_deleted);
     }
 }
 
+static void init_extractCtrl(ZebraHandle zh, struct recExtractCtrl *ctrl)
+{
+    ctrl->flagShowRecords = !zh->m_flag_rw;
+}
+
+
+static void extract_add_index_string(RecWord *p, 
+                                      zinfo_index_category_t cat,
+                                      const char *str, int length);
+
 static void extract_set_store_data_prepare(struct recExtractCtrl *p);
 
-static void extract_init (struct recExtractCtrl *p, RecWord *w)
+static void extract_init(struct recExtractCtrl *p, RecWord *w)
 {
-    w->zebra_maps = p->zebra_maps;
     w->seqno = 1;
-    w->attrSet = VAL_BIB1;
-    w->attrUse = 1016;
-    w->attrStr = 0;
-    w->reg_type = 'w';
+    w->index_name = "any";
+    w->index_type = "w";
     w->extractCtrl = p;
     w->record_id = 0;
     w->section_id = 0;
+    w->segment = 0;
 }
 
-static const char **searchRecordKey (ZebraHandle zh,
-                                     struct recKeys *reckeys,
-                                    int attrSetS, int attrUseS)
+struct snip_rec_info {
+    ZebraHandle zh;
+    zebra_snippets *snippets;
+};
+
+
+static void snippet_add_complete_field(RecWord *p, int ord,
+                                       zebra_map_t zm)
 {
-    static const char *ws[32];
-    void *decode_handle = iscz1_start();
-    int off = 0;
-    int startSeq = -1;
-    int seqno = 0;
-    int i;
+    struct snip_rec_info *h = p->extractCtrl->handle;
 
-    for (i = 0; i<32; i++)
-        ws[i] = NULL;
+    const char *b = p->term_buf;
+    char buf[IT_MAX_WORD+1];
+    const char **map = 0;
+    int i = 0, remain = p->term_len;
+    const char *start = b;
+    const char *last = 0;
+
+    if (remain > 0)
+       map = zebra_maps_input(zm, &b, remain, 1);
 
-    while (off < reckeys->buf_used)
+    while (remain > 0 && i < IT_MAX_WORD)
     {
-        const char *src = reckeys->buf + off;
-        struct it_key key;
-       char *dst = (char*) &key;
-       int attrSet, attrUse;
+       while (map && *map && **map == *CHR_SPACE)
+       {
+           remain = p->term_len - (b - p->term_buf);
 
-       iscz1_decode(decode_handle, &dst, &src);
-       assert(key.len <= 4 && key.len > 2);
+            if (i == 0)
+                start = b;  /* set to first non-ws area */
+           if (remain > 0)
+           {
+               int first = i ? 0 : 1;  /* first position */
 
-       attrSet = (int) key.mem[0] >> 16;
-       attrUse = (int) key.mem[0] & 65535;
-       seqno = (int) key.mem[key.len-1];
+               map = zebra_maps_input(zm, &b, remain, first);
+           }
+           else
+               map = 0;
+       }
+       if (!map)
+           break;
 
-       if (attrUseS == attrUse && attrSetS == attrSet)
+       if (i && i < IT_MAX_WORD)
+           buf[i++] = *CHR_SPACE;
+       while (map && *map && **map != *CHR_SPACE)
+       {
+           const char *cp = *map;
+
+           if (**map == *CHR_CUT)
+           {
+               i = 0;
+           }
+           else
+           {
+               if (i >= IT_MAX_WORD)
+                   break;
+               while (i < IT_MAX_WORD && *cp)
+                   buf[i++] = *(cp++);
+           }
+            last = b;
+           remain = p->term_len  - (b - p->term_buf);
+           if (remain > 0)
+           {
+               map = zebra_maps_input(zm, &b, remain, 0);
+           }
+           else
+               map = 0;
+       }
+    }
+    if (!i)
+       return;
+    if (last && start != last)
+        zebra_snippets_appendn(h->snippets, p->seqno, 0, ord,
+                               start, last - start);
+}
+
+static void snippet_add_incomplete_field(RecWord *p, int ord, zebra_map_t zm)
+{
+    struct snip_rec_info *h = p->extractCtrl->handle;
+    const char *b = p->term_buf;
+    int remain = p->term_len;
+    int first = 1;
+    const char **map = 0;
+    const char *start = b;
+    const char *last = b;
+
+    if (remain > 0)
+       map = zebra_maps_input(zm, &b, remain, 0);
+
+    while (map)
+    {
+       char buf[IT_MAX_WORD+1];
+       int i, remain;
+
+       /* Skip spaces */
+       while (map && *map && **map == *CHR_SPACE)
+       {
+           remain = p->term_len - (b - p->term_buf);
+            last = b;
+           if (remain > 0)
+               map = zebra_maps_input(zm, &b, remain, 0);
+           else
+               map = 0;
+       }
+       if (!map)
+           break;
+        if (start != last)
         {
-            int woff;
+            zebra_snippets_appendn(h->snippets, p->seqno, 1, ord,
+                                   start, last - start);
 
-            if (startSeq == -1)
-                startSeq = seqno;
-            woff = seqno - startSeq;
-            if (woff >= 0 && woff < 31)
-                ws[woff] = src;
         }
+        start = last;
 
-        while (*src++)
-           ;
-        off = src - reckeys->buf;
-    }
-    iscz1_stop(decode_handle);
-    assert (off == reckeys->buf_used);
-    return ws;
-}
+       i = 0;
+       while (map && *map && **map != *CHR_SPACE)
+       {
+           const char *cp = *map;
 
-struct file_read_info {
-    off_t file_max;        /* maximum offset so far */
-    off_t file_offset;      /* current offset */
-    off_t file_moffset;     /* offset of rec/rec boundary */
-    int file_more;
-    int fd;
-};
+           while (i < IT_MAX_WORD && *cp)
+               buf[i++] = *(cp++);
+           remain = p->term_len - (b - p->term_buf);
+            last = b;
+           if (remain > 0)
+               map = zebra_maps_input(zm, &b, remain, 0);
+           else
+               map = 0;
+       }
+       if (!i)
+           return;
+
+        if (first)
+        {   
+            first = 0;
+            if (zebra_maps_is_first_in_field(zm))
+            {
+                /* first in field marker */
+                p->seqno++;
+            }
+        }
+        if (start != last)
+            zebra_snippets_appendn(h->snippets, p->seqno, 0, ord,
+                                   start, last - start);
+        start = last;
+        p->seqno++;
+    }
 
-static struct file_read_info *file_read_start (int fd)
-{
-    struct file_read_info *fi = (struct file_read_info *)
-       xmalloc (sizeof(*fi));
-
-    fi->fd = fd;
-    fi->file_max = 0;
-    fi->file_moffset = 0;
-    fi->file_offset = 0;
-    fi->file_more = 0;
-    return fi;
 }
 
-static void file_read_stop (struct file_read_info *fi)
+static void snippet_add_icu(RecWord *p, int ord, zebra_map_t zm)
 {
-    xfree (fi);
+    struct snip_rec_info *h = p->extractCtrl->handle;
+
+    const char *res_buf = 0;
+    size_t res_len = 0;
+
+    const char *display_buf = 0;
+    size_t display_len = 0;
+
+    zebra_map_tokenize_start(zm, p->term_buf, p->term_len);
+    while (zebra_map_tokenize_next(zm, &res_buf, &res_len,
+                                   &display_buf, &display_len))
+    {
+        zebra_snippets_appendn(h->snippets, p->seqno, 0, ord,
+                               display_buf, display_len);
+        p->seqno++;
+    }
 }
 
-static off_t file_seek (void *handle, off_t offset)
+static void snippet_token_add(RecWord *p)
 {
-    struct file_read_info *p = (struct file_read_info *) handle;
-    p->file_offset = offset;
-    return lseek (p->fd, offset, SEEK_SET);
+    struct snip_rec_info *h = p->extractCtrl->handle;
+    ZebraHandle zh = h->zh;
+    zebra_map_t zm = zebra_map_get(zh->reg->zebra_maps, p->index_type);
+
+    if (zm && zebra_maps_is_index(zm))
+    {
+        ZebraExplainInfo zei = zh->reg->zei;
+        int ch = zebraExplain_lookup_attr_str(
+            zei, zinfo_index_category_index, p->index_type, p->index_name);
+
+        if (zebra_maps_is_icu(zm))
+            snippet_add_icu(p, ch, zm);
+        else
+        {
+            if (zebra_maps_is_complete(zm))
+                snippet_add_complete_field(p, ch, zm);
+            else
+                snippet_add_incomplete_field(p, ch, zm);
+        }
+    }
 }
 
-static off_t file_tell (void *handle)
+static void snippet_schema_add(
+    struct recExtractCtrl *p, Odr_oid *oid)
 {
-    struct file_read_info *p = (struct file_read_info *) handle;
-    return p->file_offset;
+
 }
 
-static int file_read (void *handle, char *buf, size_t count)
+void extract_snippet(ZebraHandle zh, zebra_snippets *sn,
+                     struct ZebraRecStream *stream,
+                     RecType rt, void *recTypeClientData)
 {
-    struct file_read_info *p = (struct file_read_info *) handle;
-    int fd = p->fd;
+    struct recExtractCtrl extractCtrl;
+    struct snip_rec_info info;
     int r;
-    r = read (fd, buf, count);
-    if (r > 0)
-    {
-        p->file_offset += r;
-        if (p->file_offset > p->file_max)
-            p->file_max = p->file_offset;
-    }
-    return r;
+
+    extractCtrl.stream = stream;
+    extractCtrl.first_record = 1;
+    extractCtrl.init = extract_init;
+    extractCtrl.tokenAdd = snippet_token_add;
+    extractCtrl.schemaAdd = snippet_schema_add;
+    assert(zh->reg);
+    assert(zh->reg->dh);
+
+    extractCtrl.dh = zh->reg->dh;
+    
+    info.zh = zh;
+    info.snippets = sn;
+    extractCtrl.handle = &info;
+    extractCtrl.match_criteria[0] = '\0';
+    extractCtrl.staticrank = 0;
+    extractCtrl.action = action_insert;
+    
+    init_extractCtrl(zh, &extractCtrl);
+
+    extractCtrl.setStoreData = 0;
+
+    r = (*rt->extract)(recTypeClientData, &extractCtrl);
+
 }
 
-static void file_end (void *handle, off_t offset)
+static void searchRecordKey(ZebraHandle zh,
+                           zebra_rec_keys_t reckeys,
+                            const char *index_name,
+                           const char **ws, int ws_length)
 {
-    struct file_read_info *p = (struct file_read_info *) handle;
+    int i;
+    int ch = -1;
+    zinfo_index_category_t cat = zinfo_index_category_index;
+
+    for (i = 0; i<ws_length; i++)
+        ws[i] = NULL;
+
+    if (ch < 0)
+        ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, "0", index_name);
+    if (ch < 0)
+        ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, "p", index_name);
+    if (ch < 0)
+        ch = zebraExplain_lookup_attr_str(zh->reg->zei, cat, "w", index_name);
 
-    if (offset != p->file_moffset)
+    if (ch < 0)
+       return ;
+
+    if (zebra_rec_keys_rewind(reckeys))
     {
-       p->file_moffset = offset;
-       p->file_more = 1;
+       zint startSeq = -1;
+       const char *str;
+       size_t slen;
+       struct it_key key;
+       zint seqno;
+       while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
+       {
+           assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
+
+           seqno = key.mem[key.len-1];
+           
+           if (key.mem[0] == ch)
+           {
+               zint woff;
+               
+               if (startSeq == -1)
+                   startSeq = seqno;
+               woff = seqno - startSeq;
+               if (woff >= 0 && woff < ws_length)
+                   ws[woff] = str;
+           }
+       }
     }
 }
 
-static char *fileMatchStr (ZebraHandle zh,
-                           struct recKeys *reckeys,
-                           const char *fname, const char *spec)
+#define FILE_MATCH_BLANK "\t "
+
+static char *get_match_from_spec(ZebraHandle zh,
+                          zebra_rec_keys_t reckeys,
+                          const char *fname, const char *spec)
 {
     static char dstBuf[2048];      /* static here ??? */
     char *dst = dstBuf;
     const char *s = spec;
-    static const char **w;
 
     while (1)
     {
-        while (*s == ' ' || *s == '\t')
-            s++;
+       for (; *s && strchr(FILE_MATCH_BLANK, *s); s++)
+           ;
         if (!*s)
             break;
         if (*s == '(')
         {
+           const char *ws[32];
            char attset_str[64], attname_str[64];
-           data1_attset *attset;
            int i;
-            char matchFlag[32];
-            int attSet = 1, attUse = 1;
             int first = 1;
-
-            s++;
-           for (i = 0; *s && *s != ',' && *s != ')'; s++)
-               if (i < 63)
+           
+           for (s++; strchr(FILE_MATCH_BLANK, *s); s++)
+               ;
+           for (i = 0; *s && *s != ',' && *s != ')' && 
+                    !strchr(FILE_MATCH_BLANK, *s); s++)
+               if (i+1 < sizeof(attset_str))
                    attset_str[i++] = *s;
            attset_str[i] = '\0';
-
-           if (*s == ',')
+           
+           for (; strchr(FILE_MATCH_BLANK, *s); s++)
+               ;
+           if (*s != ',')
+                strcpy(attname_str, attset_str);
+            else
            {
-               s++;
-               for (i = 0; *s && *s != ')'; s++)
-                   if (i < 63)
+               for (s++; strchr(FILE_MATCH_BLANK, *s); s++)
+                   ;
+               for (i = 0; *s && *s != ')' && 
+                        !strchr(FILE_MATCH_BLANK, *s); s++)
+                   if (i+1 < sizeof(attname_str))
                        attname_str[i++] = *s;
                attname_str[i] = '\0';
            }
-           
-           if ((attset = data1_get_attset (zh->reg->dh, attset_str)))
-           {
-               data1_att *att;
-               attSet = attset->reference;
-               att = data1_getattbyname(zh->reg->dh, attset, attname_str);
-               if (att)
-                   attUse = att->value;
-               else
-                   attUse = atoi (attname_str);
-           }
-            w = searchRecordKey (zh, reckeys, attSet, attUse);
-            assert (w);
 
-            if (*s == ')')
-            {
-                for (i = 0; i<32; i++)
-                    matchFlag[i] = 1;
-            }
-            else
+            searchRecordKey(zh, reckeys, attname_str, ws, 32);
+
+            if (*s != ')')
             {
-                yaz_log (YLOG_WARN, "Missing ) in match criteria %s in group %s",
+                yaz_log(YLOG_WARN, "Missing ) in match criteria %s in group %s",
                       spec, zh->m_group ? zh->m_group : "none");
                 return NULL;
             }
             s++;
 
             for (i = 0; i<32; i++)
-                if (matchFlag[i] && w[i])
+                if (ws[i])
                 {
                     if (first)
                     {
                         *dst++ = ' ';
                         first = 0;
                     }
-                    strcpy (dst, w[i]);
-                    dst += strlen(w[i]);
+                    strcpy(dst, ws[i]);
+                    dst += strlen(ws[i]);
                 }
             if (first)
             {
-                yaz_log (YLOG_WARN, "Record didn't contain match"
+                yaz_log(YLOG_WARN, "Record didn't contain match"
                       " fields in (%s,%s)", attset_str, attname_str);
                 return NULL;
             }
@@ -296,31 +477,31 @@ static char *fileMatchStr (ZebraHandle zh,
             char special[64];
             const char *spec_src = NULL;
             const char *s1 = ++s;
-            while (*s1 && *s1 != ' ' && *s1 != '\t')
+            while (*s1 && !strchr(FILE_MATCH_BLANK, *s1))
                 s1++;
 
             spec_len = s1 - s;
-            if (spec_len > 63)
-                spec_len = 63;
-            memcpy (special, s, spec_len);
+            if (spec_len > sizeof(special)-1)
+                spec_len = sizeof(special)-1;
+            memcpy(special, s, spec_len);
             special[spec_len] = '\0';
             s = s1;
 
-            if (!strcmp (special, "group"))
+            if (!strcmp(special, "group"))
                 spec_src = zh->m_group;
-            else if (!strcmp (special, "database"))
+            else if (!strcmp(special, "database"))
                 spec_src = zh->basenames[0];
-            else if (!strcmp (special, "filename")) {
+            else if (!strcmp(special, "filename")) {
                 spec_src = fname;
            }
-            else if (!strcmp (special, "type"))
+            else if (!strcmp(special, "type"))
                 spec_src = zh->m_record_type;
             else 
                 spec_src = NULL;
             if (spec_src)
             {
-                strcpy (dst, spec_src);
-                dst += strlen (spec_src);
+                strcpy(dst, spec_src);
+                dst += strlen(spec_src);
             }
         }
         else if (*s == '\"' || *s == '\'')
@@ -331,18 +512,18 @@ static char *fileMatchStr (ZebraHandle zh,
 
             while (*s && *s != stopMarker)
             {
-                if (i < 63)
+                if (i+1 < sizeof(tmpString))
                     tmpString[i++] = *s++;
             }
             if (*s)
                 s++;
             tmpString[i] = '\0';
-            strcpy (dst, tmpString);
-            dst += strlen (tmpString);
+            strcpy(dst, tmpString);
+            dst += strlen(tmpString);
         }
         else
         {
-            yaz_log (YLOG_WARN, "Syntax error in match criteria %s in group %s",
+            yaz_log(YLOG_WARN, "Syntax error in match criteria %s in group %s",
                   spec, zh->m_group ? zh->m_group : "none");
             return NULL;
         }
@@ -350,7 +531,7 @@ static char *fileMatchStr (ZebraHandle zh,
     }
     if (dst == dstBuf)
     {
-        yaz_log (YLOG_WARN, "No match criteria for record %s in group %s",
+        yaz_log(YLOG_WARN, "No match criteria for record %s in group %s",
               fname, zh->m_group ? zh->m_group : "none");
         return NULL;
     }
@@ -364,370 +545,67 @@ struct recordLogInfo {
     struct recordGroup *rGroup;
 };
 
-void create_rec_keys_codec(struct recKeys *keys)
+/** \brief add the always-matches index entry and map to real record ID
+    \param ctrl record control
+    \param record_id custom record ID
+    \param sysno system record ID
+    
+    This function serves two purposes.. It adds the always matches
+    entry and makes a pointer from the custom record ID (if defined)
+    back to the system record ID (sysno)
+    See zebra_recid_to_sysno .
+  */
+static void all_matches_add(struct recExtractCtrl *ctrl, zint record_id,
+                            zint sysno)
 {
-    keys->buf_used = 0;
-    iscz1_reset(keys->codec_handle);
+    RecWord word;
+    extract_init(ctrl, &word);
+    word.record_id = record_id;
+    /* we use the seqno as placeholder for a way to get back to
+       record database from _ALLRECORDS.. This is used if a custom
+       RECORD was defined */
+    word.seqno = sysno;
+    word.index_name = "_ALLRECORDS";
+    word.index_type = "w";
+
+    extract_add_index_string(&word, zinfo_index_category_alwaysmatches,
+                              "", 0);
 }
 
-static void init_extractCtrl(ZebraHandle zh, struct recExtractCtrl *ctrl)
-{
-    int i;
-    for (i = 0; i<256; i++)
-    {
-       if (zebra_maps_is_positioned(zh->reg->zebra_maps, i))
-           ctrl->seqno[i] = 1;
-       else
-           ctrl->seqno[i] = 0;
-    }
-    ctrl->zebra_maps = zh->reg->zebra_maps;
-    ctrl->flagShowRecords = !zh->m_flag_rw;
-}
+ZEBRA_RES zebra_extract_records_stream(ZebraHandle zh, 
+                                       struct ZebraRecStream *stream,
+                                       enum zebra_recctrl_action_t action,
+                                       int test_mode, 
+                                       const char *recordType,
+                                       zint *sysno,
+                                       const char *match_criteria,
+                                       const char *fname,
+                                       RecType recType,
+                                       void *recTypeClientData);
 
-static int file_extract_record(ZebraHandle zh,
-                              SYSNO *sysno, const char *fname,
-                              int deleteFlag,
-                              struct file_read_info *fi,
-                              int force_update,
-                              RecType recType,
-                              void *recTypeClientData)
-{
-    RecordAttr *recordAttr;
-    int r;
-    const char *matchStr = 0;
-    SYSNO sysnotmp;
-    Record rec;
-    off_t recordOffset = 0;
-    
-    /* announce database */
-    if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
-    {
-        if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0],
-                                     zh->m_explain_database))
-           return 0;
-    }
 
-    if (fi->fd != -1)
-    {
-       struct recExtractCtrl extractCtrl;
-
-        /* we are going to read from a file, so prepare the extraction */
-       create_rec_keys_codec(&zh->reg->keys);
-
-       zh->reg->sortKeys.buf_used = 0;
-       
-       recordOffset = fi->file_moffset;
-        extractCtrl.handle = zh;
-       extractCtrl.offset = fi->file_moffset;
-       extractCtrl.readf = file_read;
-       extractCtrl.seekf = file_seek;
-       extractCtrl.tellf = file_tell;
-       extractCtrl.endf = file_end;
-       extractCtrl.fh = fi;
-       extractCtrl.init = extract_init;
-       extractCtrl.tokenAdd = extract_token_add;
-       extractCtrl.schemaAdd = extract_schema_add;
-       extractCtrl.dh = zh->reg->dh;
-       extractCtrl.match_criteria[0] = '\0';
-       extractCtrl.first_record = fi->file_offset ? 0 : 1;
-
-       extract_set_store_data_prepare(&extractCtrl);
-
-       init_extractCtrl(zh, &extractCtrl);
-
-        if (!zh->m_flag_rw)
-            printf ("File: %s " PRINTF_OFF_T "\n", fname, recordOffset);
-        if (zh->m_flag_rw)
-        {
-            char msg[512];
-            sprintf (msg, "%s:" PRINTF_OFF_T , fname, recordOffset);
-            yaz_log_init_prefix2 (msg);
-        }
-
-        r = (*recType->extract)(recTypeClientData, &extractCtrl);
-
-        yaz_log_init_prefix2 (0);
-       if (r == RECCTRL_EXTRACT_EOF)
-           return 0;
-       else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
-       {
-            /* error occured during extraction ... */
-            if (zh->m_flag_rw &&
-               zh->records_processed < zh->m_file_verbose_limit)
-            {
-                yaz_log (YLOG_WARN, "fail %s %s " PRINTF_OFF_T, zh->m_record_type,
-                      fname, recordOffset);
-            }
-            return 0;
-        }
-       else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
-       {
-            /* error occured during extraction ... */
-            if (zh->m_flag_rw &&
-               zh->records_processed < zh->m_file_verbose_limit)
-            {
-                yaz_log (YLOG_WARN, "no filter for %s %s " 
-                      PRINTF_OFF_T, zh->m_record_type,
-                      fname, recordOffset);
-            }
-            return 0;
-        }
-        if (extractCtrl.match_criteria[0])
-            matchStr = extractCtrl.match_criteria;
-    }
-
-    /* perform match if sysno not known and if match criteria is specified */
-    if (!sysno) 
-    {
-        sysnotmp = 0;
-        sysno = &sysnotmp;
-
-        if (matchStr == 0 && zh->m_record_id && *zh->m_record_id)
-        {
-        
-            matchStr = fileMatchStr (zh, &zh->reg->keys, fname, 
-                                    zh->m_record_id);
-           if (!matchStr)
-           {
-               yaz_log(YLOG_WARN, "Bad match criteria");
-               return 0;
-           }
-       }
-       if (matchStr)
-       {
-            char *rinfo = dict_lookup (zh->reg->matchDict, matchStr);
-           if (rinfo)
-           {
-               assert(*rinfo == sizeof(*sysno));
-               memcpy (sysno, rinfo+1, sizeof(*sysno));
-           }
-       }
-    }
-    if (! *sysno && zh->reg->keys.buf_used == 0)
-    {
-         /* the extraction process returned no information - the record
-            is probably empty - unless flagShowRecords is in use */
-         if (!zh->m_flag_rw)
-             return 1;
-  
-         if (zh->records_processed < zh->m_file_verbose_limit)
-            yaz_log (YLOG_WARN, "empty %s %s " PRINTF_OFF_T, zh->m_record_type,
-           fname, recordOffset);
-         return 1;
-    }
-
-    if (! *sysno)
-    {
-        /* new record */
-        if (deleteFlag)
-        {
-           yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T, zh->m_record_type,
-                 fname, recordOffset);
-            yaz_log (YLOG_WARN, "cannot delete record above (seems new)");
-            return 1;
-        }
-        if (zh->records_processed < zh->m_file_verbose_limit)
-            yaz_log (YLOG_LOG, "add %s %s " PRINTF_OFF_T, zh->m_record_type,
-                  fname, recordOffset);
-        rec = rec_new (zh->reg->records);
-
-        *sysno = rec->sysno;
-
-       recordAttr = rec_init_attr (zh->reg->zei, rec);
-
-        if (matchStr)
-        {
-            dict_insert (zh->reg->matchDict, matchStr, sizeof(*sysno), sysno);
-        }
-       extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
-        extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
-
-        zh->records_inserted++;
-    }
-    else
-    {
-        /* record already exists */
-        struct recKeys delkeys;
-        struct sortKeys sortKeys;
-
-        rec = rec_get (zh->reg->records, *sysno);
-        assert (rec);
-       
-       recordAttr = rec_init_attr (zh->reg->zei, rec);
-
-       if (!force_update && recordAttr->runNumber ==
-            zebraExplain_runNumberIncrement (zh->reg->zei, 0))
-       {
-            yaz_log (YLOG_LOG, "run number = " ZINT_FORMAT,
-                           recordAttr->runNumber);
-           yaz_log (YLOG_LOG, "skipped %s %s " PRINTF_OFF_T,
-                     zh->m_record_type, fname, recordOffset);
-           extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
-           rec_rm (&rec);
-           logRecord (zh);
-           return 1;
-       }
-        delkeys.buf_used = rec->size[recInfo_delKeys];
-       delkeys.buf = rec->info[recInfo_delKeys];
-
-        sortKeys.buf_used = rec->size[recInfo_sortKeys];
-        sortKeys.buf = rec->info[recInfo_sortKeys];
-
-       extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
-        extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
-        if (deleteFlag)
-        {
-            /* record going to be deleted */
-            if (!delkeys.buf_used)
-            {
-                yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T,
-                      zh->m_record_type, fname, recordOffset);
-                yaz_log (YLOG_WARN, "cannot delete file above, storeKeys false");
-            }
-            else
-            {
-                if (zh->records_processed < zh->m_file_verbose_limit)
-                    yaz_log (YLOG_LOG, "delete %s %s " PRINTF_OFF_T,
-                         zh->m_record_type, fname, recordOffset);
-                zh->records_deleted++;
-                if (matchStr)
-                    dict_delete (zh->reg->matchDict, matchStr);
-                rec_del (zh->reg->records, &rec);
-            }
-           rec_rm (&rec);
-            logRecord (zh);
-            return 1;
-        }
-        else
-        {
-            /* record going to be updated */
-            if (!delkeys.buf_used)
-            {
-                yaz_log (YLOG_LOG, "update %s %s " PRINTF_OFF_T,
-                      zh->m_record_type, fname, recordOffset);
-                yaz_log (YLOG_WARN, "cannot update file above, storeKeys false");
-            }
-            else
-            {
-                if (zh->records_processed < zh->m_file_verbose_limit)
-                    yaz_log (YLOG_LOG, "update %s %s " PRINTF_OFF_T,
-                        zh->m_record_type, fname, recordOffset);
-                extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
-                extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
-                zh->records_updated++;
-            }
-        }
-    }
-    /* update file type */
-    xfree (rec->info[recInfo_fileType]);
-    rec->info[recInfo_fileType] =
-        rec_strdup (zh->m_record_type, &rec->size[recInfo_fileType]);
-
-    /* update filename */
-    xfree (rec->info[recInfo_filename]);
-    rec->info[recInfo_filename] =
-        rec_strdup (fname, &rec->size[recInfo_filename]);
-
-    /* update delete keys */
-    xfree (rec->info[recInfo_delKeys]);
-    if (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1)
-    {
-        rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
-        rec->info[recInfo_delKeys] = zh->reg->keys.buf;
-        zh->reg->keys.buf = NULL;
-        zh->reg->keys.buf_max = 0;
-    }
-    else
-    {
-        rec->info[recInfo_delKeys] = NULL;
-        rec->size[recInfo_delKeys] = 0;
-    }
-
-    /* update sort keys */
-    xfree (rec->info[recInfo_sortKeys]);
-
-    rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
-    rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
-    zh->reg->sortKeys.buf = NULL;
-    zh->reg->sortKeys.buf_max = 0;
-
-    /* save file size of original record */
-    zebraExplain_recordBytesIncrement (zh->reg->zei,
-                                       - recordAttr->recordSize);
-    recordAttr->recordSize = fi->file_moffset - recordOffset;
-    if (!recordAttr->recordSize)
-       recordAttr->recordSize = fi->file_max - recordOffset;
-    zebraExplain_recordBytesIncrement (zh->reg->zei,
-                                       recordAttr->recordSize);
-
-    /* set run-number for this record */
-    recordAttr->runNumber = zebraExplain_runNumberIncrement (zh->reg->zei,
-                                                             0);
-
-    /* update store data */
-    xfree (rec->info[recInfo_storeData]);
-    if (zh->store_data_buf)
-    {
-        rec->size[recInfo_storeData] = zh->store_data_size;
-        rec->info[recInfo_storeData] = zh->store_data_buf;
-       zh->store_data_buf = 0;
-    }
-    else if (zh->m_store_data)
-    {
-        rec->size[recInfo_storeData] = recordAttr->recordSize;
-        rec->info[recInfo_storeData] = (char *)
-           xmalloc (recordAttr->recordSize);
-        if (lseek (fi->fd, recordOffset, SEEK_SET) < 0)
-        {
-            yaz_log (YLOG_ERRNO|YLOG_FATAL, "seek to " PRINTF_OFF_T " in %s",
-                  recordOffset, fname);
-            exit (1);
-        }
-        if (read (fi->fd, rec->info[recInfo_storeData], recordAttr->recordSize)
-           < recordAttr->recordSize)
-        {
-            yaz_log (YLOG_ERRNO|YLOG_FATAL, "read %d bytes of %s",
-                  recordAttr->recordSize, fname);
-            exit (1);
-        }
-    }
-    else
-    {
-        rec->info[recInfo_storeData] = NULL;
-        rec->size[recInfo_storeData] = 0;
-    }
-    /* update database name */
-    xfree (rec->info[recInfo_databaseName]);
-    rec->info[recInfo_databaseName] =
-        rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]); 
-
-    /* update offset */
-    recordAttr->recordOffset = recordOffset;
-    
-    /* commit this record */
-    rec_put (zh->reg->records, &rec);
-    logRecord (zh);
-    return 1;
-}
-
-int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname, 
-                int deleteFlag)
+ZEBRA_RES zebra_extract_file(ZebraHandle zh, zint *sysno, const char *fname, 
+                             enum zebra_recctrl_action_t action)
 {
-    int r, i, fd;
+    ZEBRA_RES r = ZEBRA_OK;
+    int i, fd;
     char gprefix[128];
     char ext[128];
     char ext_res[128];
-    struct file_read_info *fi;
+    struct file_read_info *fi = 0;
     const char *original_record_type = 0;
     RecType recType;
     void *recTypeClientData;
+    struct ZebraRecStream stream, *streamp;
+
+    zebra_init_log_level();
 
     if (!zh->m_group || !*zh->m_group)
         *gprefix = '\0';
     else
-        sprintf (gprefix, "%s.", zh->m_group);
+        sprintf(gprefix, "%s.", zh->m_group);
     
-    yaz_log (YLOG_DEBUG, "fileExtract %s", fname);
+    yaz_log(log_level_extract, "zebra_extract_file %s", fname);
 
     /* determine file extension */
     *ext = '\0';
@@ -736,35 +614,38 @@ int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
             break;
         else if (fname[i] == '.')
         {
-            strcpy (ext, fname+i+1);
+            strcpy(ext, fname+i+1);
             break;
         }
     /* determine file type - depending on extension */
     original_record_type = zh->m_record_type;
     if (!zh->m_record_type)
     {
-        sprintf (ext_res, "%srecordType.%s", gprefix, ext);
-        zh->m_record_type = res_get (zh->res, ext_res);
+        sprintf(ext_res, "%srecordType.%s", gprefix, ext);
+        zh->m_record_type = res_get(zh->res, ext_res);
     }
     if (!zh->m_record_type)
     {
-       if (zh->records_processed < zh->m_file_verbose_limit)
-            yaz_log (YLOG_LOG, "? %s", fname);
+        check_log_limit(zh);
+       if (zh->records_processed + zh->records_skipped
+            < zh->m_file_verbose_limit)
+            yaz_log(YLOG_LOG, "? %s", fname);
+        zh->records_skipped++;
         return 0;
     }
     /* determine match criteria */
     if (!zh->m_record_id)
     {
-        sprintf (ext_res, "%srecordId.%s", gprefix, ext);
-        zh->m_record_id = res_get (zh->res, ext_res);
+        sprintf(ext_res, "%srecordId.%s", gprefix, ext);
+        zh->m_record_id = res_get(zh->res, ext_res);
     }
 
     if (!(recType =
-         recType_byName (zh->reg->recTypes, zh->res, zh->m_record_type,
+         recType_byName(zh->reg->recTypes, zh->res, zh->m_record_type,
                          &recTypeClientData)))
     {
         yaz_log(YLOG_WARN, "No such record type: %s", zh->m_record_type);
-        return 0;
+        return ZEBRA_FAIL;
     }
 
     switch(recType->version)
@@ -774,46 +655,43 @@ int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
     default:
        yaz_log(YLOG_WARN, "Bad filter version: %s", zh->m_record_type);
     }
-    if (sysno && deleteFlag)
-        fd = -1;
+    if (sysno && (action == action_delete || action == action_a_delete))
+    {
+        streamp = 0;
+        fi = 0;
+    }
     else
     {
         char full_rep[1024];
 
-        if (zh->path_reg && !yaz_is_abspath (fname))
+        if (zh->path_reg && !yaz_is_abspath(fname))
         {
-            strcpy (full_rep, zh->path_reg);
-            strcat (full_rep, "/");
-            strcat (full_rep, fname);
+            strcpy(full_rep, zh->path_reg);
+            strcat(full_rep, "/");
+            strcat(full_rep, fname);
         }
         else
-            strcpy (full_rep, fname);
+            strcpy(full_rep, fname);
         
-
-        if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1)
+        if ((fd = open(full_rep, O_BINARY|O_RDONLY)) == -1)
         {
-            yaz_log (YLOG_WARN|YLOG_ERRNO, "open %s", full_rep);
+            yaz_log(YLOG_WARN|YLOG_ERRNO, "open %s", full_rep);
            zh->m_record_type = original_record_type;
-            return 0;
+            return ZEBRA_FAIL;
         }
-    }
-    fi = file_read_start (fd);
-    do
-    {
-       fi->file_moffset = fi->file_offset;
-       fi->file_more = 0;  /* file_end not called (yet) */
-        r = file_extract_record (zh, sysno, fname, deleteFlag, fi, 1,
-                                recType, recTypeClientData);
-       if (fi->file_more)
-       {   /* file_end has been called so reset offset .. */
-           fi->file_offset = fi->file_moffset;
-           lseek(fi->fd, fi->file_moffset, SEEK_SET);
-       }
-    }
-    while (r && !sysno);
-    file_read_stop (fi);
-    if (fd != -1)
-        close (fd);
+        streamp = &stream;
+        zebra_create_stream_fd(streamp, fd, 0);
+    }
+    r = zebra_extract_records_stream(zh, streamp,
+                                     action,
+                                     0, /* tst_mode */
+                                     zh->m_record_type,
+                                     sysno,
+                                     0, /*match_criteria */
+                                     fname,
+                                     recType, recTypeClientData);
+    if (streamp)
+        stream.destroy(streamp);
     zh->m_record_type = original_record_type;
     return r;
 }
@@ -824,141 +702,263 @@ int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
   If not, and a record is provided, then sysno is got from there
   
  */
-ZEBRA_RES buffer_extract_record (ZebraHandle zh, 
-                                const char *buf, size_t buf_size,
-                                int delete_flag,
-                                int test_mode, 
-                                const char *recordType,
-                                SYSNO *sysno,
-                                const char *match_criteria,
-                                const char *fname,
-                                int force_update,
-                                int allow_update)
+
+ZEBRA_RES zebra_buffer_extract_record(ZebraHandle zh, 
+                                      const char *buf, size_t buf_size,
+                                      enum zebra_recctrl_action_t action,
+                                      int test_mode, 
+                                      const char *recordType,
+                                      zint *sysno,
+                                      const char *match_criteria,
+                                      const char *fname)
 {
-    RecordAttr *recordAttr;
-    struct recExtractCtrl extractCtrl;
-    int r;
-    const char *matchStr = 0;
-    RecType recType = NULL;
+    struct ZebraRecStream stream;
+    ZEBRA_RES res;
     void *clientData;
-    Record rec;
-    long recordOffset = 0;
-    struct zebra_fetch_control fc;
-    const char *pr_fname = fname;  /* filename to print .. */
-    int show_progress = zh->records_processed < zh->m_file_verbose_limit ? 1:0;
-
-    if (!pr_fname)
-       pr_fname = "<no file>";  /* make it printable if file is omitted */
+    RecType recType = 0;
 
-    fc.fd = -1;
-    fc.record_int_buf = buf;
-    fc.record_int_len = buf_size;
-    fc.record_int_pos = 0;
-    fc.offset_end = 0;
-    fc.record_offset = 0;
-
-    extractCtrl.offset = 0;
-    extractCtrl.readf = zebra_record_int_read;
-    extractCtrl.seekf = zebra_record_int_seek;
-    extractCtrl.tellf = zebra_record_int_tell;
-    extractCtrl.endf = zebra_record_int_end;
-    extractCtrl.first_record = 1;
-    extractCtrl.fh = &fc;
-
-    create_rec_keys_codec(&zh->reg->keys);
-
-    zh->reg->sortKeys.buf_used = 0;
-
-    if (zebraExplain_curDatabase (zh->reg->zei, zh->basenames[0]))
-    {
-        if (zebraExplain_newDatabase (zh->reg->zei, zh->basenames[0], 
-                                     zh->m_explain_database))
-            return ZEBRA_FAIL;
-    }
-    
     if (recordType && *recordType)
     {
-        yaz_log (YLOG_DEBUG, "Record type explicitly specified: %s", recordType);
-        recType = recType_byName (zh->reg->recTypes, zh->res, recordType,
+        yaz_log(log_level_extract,
+                "Record type explicitly specified: %s", recordType);
+        recType = recType_byName(zh->reg->recTypes, zh->res, recordType,
                                   &clientData);
     } 
     else
     {
         if (!(zh->m_record_type))
        {
-            yaz_log (YLOG_WARN, "No such record type defined");
+            yaz_log(YLOG_WARN, "No such record type defined");
             return ZEBRA_FAIL;
         }
-        yaz_log (YLOG_DEBUG, "Get record type from rgroup: %s",zh->m_record_type);
-        recType = recType_byName (zh->reg->recTypes, zh->res,
+        yaz_log(log_level_extract, "Get record type from rgroup: %s",
+                zh->m_record_type);
+        recType = recType_byName(zh->reg->recTypes, zh->res,
                                  zh->m_record_type, &clientData);
         recordType = zh->m_record_type;
     }
     
     if (!recType)
     {
-        yaz_log (YLOG_WARN, "No such record type: %s", zh->m_record_type);
+        yaz_log(YLOG_WARN, "No such record type: %s", recordType);
         return ZEBRA_FAIL;
     }
-    
-    extractCtrl.init = extract_init;
-    extractCtrl.tokenAdd = extract_token_add;
-    extractCtrl.schemaAdd = extract_schema_add;
-    extractCtrl.dh = zh->reg->dh;
-    extractCtrl.handle = zh;
-    extractCtrl.match_criteria[0] = '\0';
-    
-    init_extractCtrl(zh, &extractCtrl);
 
-    extract_set_store_data_prepare(&extractCtrl);
+    zebra_create_stream_mem(&stream, buf, buf_size);
+
+    res = zebra_extract_records_stream(zh, &stream,
+                                       action,
+                                       test_mode, 
+                                       recordType,
+                                       sysno,
+                                       match_criteria,
+                                       fname,
+                                       recType, clientData);
+    stream.destroy(&stream);
+    return res;
+}
+
+ZEBRA_RES zebra_extract_records_stream(ZebraHandle zh, 
+                                       struct ZebraRecStream *stream,
+                                       enum zebra_recctrl_action_t action,
+                                       int test_mode, 
+                                       const char *recordType,
+                                       zint *sysno,
+                                       const char *match_criteria,
+                                       const char *fname,
+                                       RecType recType,
+                                       void *recTypeClientData)
+{
+    ZEBRA_RES res = ZEBRA_OK;
+    while (1)
+    {
+        int more = 0;
+        res = zebra_extract_record_stream(zh, stream,
+                                          action,
+                                          test_mode, 
+                                          recordType,
+                                          sysno,
+                                          match_criteria,
+                                          fname,
+                                          recType, recTypeClientData, &more);
+        if (!more)
+        {
+            res = ZEBRA_OK;
+            break;
+        }
+        if (res != ZEBRA_OK)
+            break;
+        if (sysno)
+            break;
+    }
+    return res;
+}
+
+
+static WRBUF wrbuf_hex_str(const char *cstr)
+{
+    size_t i;
+    WRBUF w = wrbuf_alloc();
+    for (i = 0; cstr[i]; i++)
+    {
+        if (cstr[i] < ' ' || cstr[i] > 126)
+            wrbuf_printf(w, "\\%02X", cstr[i] & 0xff);
+        else
+            wrbuf_putc(w, cstr[i]);
+    }
+    return w;
+}
+
+ZEBRA_RES zebra_extract_record_stream(ZebraHandle zh, 
+                                      struct ZebraRecStream *stream,
+                                      enum zebra_recctrl_action_t action,
+                                      int test_mode, 
+                                      const char *recordType,
+                                      zint *sysno,
+                                      const char *match_criteria,
+                                      const char *fname,
+                                      RecType recType,
+                                      void *recTypeClientData,
+                                      int *more)
+
+{
+    zint sysno0 = 0;
+    RecordAttr *recordAttr;
+    struct recExtractCtrl extractCtrl;
+    int r;
+    const char *matchStr = 0;
+    Record rec;
+    off_t start_offset = 0, end_offset = 0;
+    const char *pr_fname = fname;  /* filename to print .. */
+    int show_progress = zh->records_processed + zh->records_skipped 
+        < zh->m_file_verbose_limit ? 1:0;
+
+    zebra_init_log_level();
 
-    r = (*recType->extract)(clientData, &extractCtrl);
+    if (!pr_fname)
+       pr_fname = "<no file>";  /* make it printable if file is omitted */
 
-    if (r == RECCTRL_EXTRACT_EOF)
-       return ZEBRA_FAIL;
-    else if (r == RECCTRL_EXTRACT_ERROR_GENERIC)
+    zebra_rec_keys_reset(zh->reg->keys);
+    zebra_rec_keys_reset(zh->reg->sortKeys);
+
+    if (zebraExplain_curDatabase(zh->reg->zei, zh->basenames[0]))
     {
-       /* error occured during extraction ... */
-       yaz_log (YLOG_WARN, "extract error: generic");
-       return ZEBRA_FAIL;
+        if (zebraExplain_newDatabase(zh->reg->zei, zh->basenames[0], 
+                                     zh->m_explain_database))
+            return ZEBRA_FAIL;
     }
-    else if (r == RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER)
+
+    if (stream)
     {
-       /* error occured during extraction ... */
-       yaz_log (YLOG_WARN, "extract error: no such filter");
-       return ZEBRA_FAIL;
+        off_t null_offset = 0;
+        extractCtrl.stream = stream;
+
+        start_offset = stream->tellf(stream);
+
+        extractCtrl.first_record = start_offset ? 0 : 1;
+        
+        stream->endf(stream, &null_offset);;
+
+        extractCtrl.init = extract_init;
+        extractCtrl.tokenAdd = extract_token_add;
+        extractCtrl.schemaAdd = extract_schema_add;
+        extractCtrl.dh = zh->reg->dh;
+        extractCtrl.handle = zh;
+        extractCtrl.match_criteria[0] = '\0';
+        extractCtrl.staticrank = 0;
+        extractCtrl.action = action;
+
+        init_extractCtrl(zh, &extractCtrl);
+
+        extract_set_store_data_prepare(&extractCtrl);
+        
+        r = (*recType->extract)(recTypeClientData, &extractCtrl);
+
+        if (action == action_update)
+        {
+            action = extractCtrl.action;
+        }
+        
+        switch (r)
+        {
+        case RECCTRL_EXTRACT_EOF:
+            return ZEBRA_FAIL;
+        case RECCTRL_EXTRACT_ERROR_GENERIC:
+            /* error occured during extraction ... */
+            yaz_log(YLOG_WARN, "extract error: generic");
+            return ZEBRA_FAIL;
+        case RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER:
+            /* error occured during extraction ... */
+            yaz_log(YLOG_WARN, "extract error: no such filter");
+            return ZEBRA_FAIL;
+        case RECCTRL_EXTRACT_SKIP:
+            if (show_progress)
+                yaz_log(YLOG_LOG, "skip %s %s " ZINT_FORMAT,
+                         recordType, pr_fname, (zint) start_offset);
+            *more = 1;
+            
+            end_offset = stream->endf(stream, 0);
+            if (end_offset)
+                stream->seekf(stream, end_offset);
+
+            return ZEBRA_OK;
+        case RECCTRL_EXTRACT_OK:
+            break;
+        default:
+            yaz_log(YLOG_WARN, "extract error: unknown error: %d", r);
+            return ZEBRA_FAIL;
+        }
+        end_offset = stream->endf(stream, 0);
+        if (end_offset)
+            stream->seekf(stream, end_offset);
+        else
+            end_offset = stream->tellf(stream);
+
+        if (extractCtrl.match_criteria[0])
+            match_criteria = extractCtrl.match_criteria;
     }
-    /* match criteria */
-    matchStr = NULL;
 
-    if (extractCtrl.match_criteria[0])
-       match_criteria = extractCtrl.match_criteria;
+    *more = 1;
+    if (!sysno)
+    {
+       sysno = &sysno0;
 
-    if (! *sysno) {
-        char *rinfo;
         if (match_criteria && *match_criteria) {
             matchStr = match_criteria;
         } else {
             if (zh->m_record_id && *zh->m_record_id) {
-                matchStr = fileMatchStr (zh, &zh->reg->keys, pr_fname, 
-                                         zh->m_record_id);
+                matchStr = get_match_from_spec(zh, zh->reg->keys, pr_fname, 
+                                               zh->m_record_id);
                if (!matchStr)
                 {
-                    yaz_log (YLOG_WARN, "Bad match criteria (recordID)");
+                    yaz_log(YLOG_LOG, "error %s %s " ZINT_FORMAT, recordType,
+                             pr_fname, (zint) start_offset);
                    return ZEBRA_FAIL;
                 }
             }
         }
-        if (matchStr) {
-            rinfo = dict_lookup (zh->reg->matchDict, matchStr);
+        if (matchStr) 
+       {
+           int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
+           char *rinfo = dict_lookup_ord(zh->reg->matchDict, db_ord,
+                                         matchStr);
+
+            
+            if (log_level_extract)
+            {
+                WRBUF w = wrbuf_hex_str(matchStr);
+                yaz_log(log_level_extract, "matchStr: %s", wrbuf_cstr(w));
+                wrbuf_destroy(w);
+            }
             if (rinfo)
            {
                assert(*rinfo == sizeof(*sysno));
-                memcpy (sysno, rinfo+1, sizeof(*sysno));
+                memcpy(sysno, rinfo+1, sizeof(*sysno));
            }
-        }
+       }
     }
-    if (zh->reg->keys.buf_used == 0)
+
+    if (zebra_rec_keys_empty(zh->reg->keys))
     {
        /* the extraction process returned no information - the record
           is probably empty - unless flagShowRecords is in use */
@@ -968,178 +968,210 @@ ZEBRA_RES buffer_extract_record (ZebraHandle zh,
 
     if (! *sysno)
     {
-        /* new record */
-        if (delete_flag)
+        /* new record AKA does not exist already */
+        if (action == action_delete)
         {
-           if (show_progress)
-               yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
-                        pr_fname, (long) recordOffset);
-            yaz_log (YLOG_WARN, "cannot delete record above (seems new)");
+                yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
+                        pr_fname, (zint) start_offset);
+            yaz_log(YLOG_WARN, "cannot delete record above (seems new)");
             return ZEBRA_FAIL;
         }
+        else if (action == action_a_delete)
+        {
+            if (show_progress)
+                yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
+                        pr_fname, (zint) start_offset);
+            return ZEBRA_OK;
+        }
+       else if (action == action_replace)
+       {
+           yaz_log(YLOG_LOG, "update %s %s " ZINT_FORMAT, recordType,
+                        pr_fname, (zint) start_offset);
+            yaz_log(YLOG_WARN, "cannot update record above (seems new)");
+            return ZEBRA_FAIL;
+       }
        if (show_progress)
-           yaz_log (YLOG_LOG, "add %s %s %ld", recordType, pr_fname,
-                    (long) recordOffset);
-        rec = rec_new (zh->reg->records);
+           yaz_log(YLOG_LOG, "add %s %s " ZINT_FORMAT, recordType, pr_fname,
+                    (zint) start_offset);
+        rec = rec_new(zh->reg->records);
 
         *sysno = rec->sysno;
 
-       recordAttr = rec_init_attr (zh->reg->zei, rec);
+
+        if (stream)
+        {
+            all_matches_add(&extractCtrl,
+                            zebra_rec_keys_get_custom_record_id(zh->reg->keys),
+                            *sysno);
+        }
+
+
+       recordAttr = rec_init_attr(zh->reg->zei, rec);
+       if (extractCtrl.staticrank < 0)
+        {
+            yaz_log(YLOG_WARN, "Negative staticrank for record. Set to 0");
+           extractCtrl.staticrank = 0;
+        }
 
         if (matchStr)
         {
-            dict_insert (zh->reg->matchDict, matchStr,
-                         sizeof(*sysno), sysno);
+           int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
+            dict_insert_ord(zh->reg->matchDict, db_ord, matchStr,
+                           sizeof(*sysno), sysno);
         }
-       extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
-        extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
 
+       extract_flush_sort_keys(zh, *sysno, 1, zh->reg->sortKeys);
+#if FLUSH2
+        extract_flush_record_keys2(zh, *sysno,
+                                   zh->reg->keys, extractCtrl.staticrank,
+                                   0, recordAttr->staticrank);
+#else
+        extract_flush_record_keys(zh, *sysno, 1, zh->reg->keys,
+                                  extractCtrl.staticrank);
+#endif
+       recordAttr->staticrank = extractCtrl.staticrank;
         zh->records_inserted++;
     } 
     else
     {
         /* record already exists */
-        struct recKeys delkeys;
-        struct sortKeys sortKeys;
-
-       if (!allow_update)
+       zebra_rec_keys_t delkeys = zebra_rec_keys_open();
+       zebra_rec_keys_t sortKeys = zebra_rec_keys_open();
+       if (action == action_insert)
        {
-           if (show_progress)
-               yaz_log (YLOG_LOG, "skipped %s %s %ld", 
-                        recordType, pr_fname, (long) recordOffset);
+           yaz_log(YLOG_LOG, "skipped %s %s " ZINT_FORMAT, 
+                        recordType, pr_fname, (zint) start_offset);
            logRecord(zh);
            return ZEBRA_FAIL;
        }
 
-        rec = rec_get (zh->reg->records, *sysno);
-        assert (rec);
-       
-       recordAttr = rec_init_attr (zh->reg->zei, rec);
-       
-       if (!force_update) {
-           if (recordAttr->runNumber ==
-               zebraExplain_runNumberIncrement (zh->reg->zei, 0))
-           {
-               if (show_progress)
-                   yaz_log (YLOG_LOG, "skipped %s %s %ld", recordType,
-                            pr_fname, (long) recordOffset);
-               extract_flushSortKeys (zh, *sysno, -1, &zh->reg->sortKeys);
-               rec_rm (&rec);
-               logRecord(zh);
-               return ZEBRA_FAIL;
-           }
-       }
-
-        delkeys.buf_used = rec->size[recInfo_delKeys];
-       delkeys.buf = rec->info[recInfo_delKeys];
+        rec = rec_get(zh->reg->records, *sysno);
+        assert(rec);
 
-        sortKeys.buf_used = rec->size[recInfo_sortKeys];
-        sortKeys.buf = rec->info[recInfo_sortKeys];
-
-       extract_flushSortKeys (zh, *sysno, 0, &sortKeys);
-        extract_flushRecordKeys (zh, *sysno, 0, &delkeys);
-        if (delete_flag)
+        if (stream)
+        {
+            all_matches_add(&extractCtrl,
+                            zebra_rec_keys_get_custom_record_id(zh->reg->keys),
+                            *sysno);
+        }
+       
+       recordAttr = rec_init_attr(zh->reg->zei, rec);
+
+        /* decrease total size */
+        zebraExplain_recordBytesIncrement(zh->reg->zei,
+                                           - recordAttr->recordSize);
+
+       zebra_rec_keys_set_buf(delkeys,
+                              rec->info[recInfo_delKeys],
+                              rec->size[recInfo_delKeys],
+                              0);
+       zebra_rec_keys_set_buf(sortKeys,
+                              rec->info[recInfo_sortKeys],
+                              rec->size[recInfo_sortKeys],
+                              0);
+
+       extract_flush_sort_keys(zh, *sysno, 0, sortKeys);
+#if !FLUSH2
+        extract_flush_record_keys(zh, *sysno, 0, delkeys,
+                                  recordAttr->staticrank);
+#endif
+        if (action == action_delete || action == action_a_delete)
         {
             /* record going to be deleted */
-            if (!delkeys.buf_used)
+#if FLUSH2
+            extract_flush_record_keys2(zh, *sysno, 0, recordAttr->staticrank,
+                                       delkeys, recordAttr->staticrank);
+#endif       
+            if (zebra_rec_keys_empty(delkeys))
             {
-               if (show_progress)
-               {
-                   yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
-                            pr_fname, (long) recordOffset);
-                   yaz_log (YLOG_WARN, "cannot delete file above, "
-                            "storeKeys false");
-               }
+               yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
+                        pr_fname, (zint) start_offset);
+               yaz_log(YLOG_WARN, "cannot delete file above, "
+                        "storeKeys false (3)");
            }
             else
             {
                if (show_progress)
-                   yaz_log (YLOG_LOG, "delete %s %s %ld", recordType,
-                            pr_fname, (long) recordOffset);
+                   yaz_log(YLOG_LOG, "delete %s %s " ZINT_FORMAT, recordType,
+                            pr_fname, (zint) start_offset);
                 zh->records_deleted++;
                 if (matchStr)
-                    dict_delete (zh->reg->matchDict, matchStr);
-                rec_del (zh->reg->records, &rec);
+               {
+                   int db_ord = zebraExplain_get_database_ord(zh->reg->zei);
+                    dict_delete_ord(zh->reg->matchDict, db_ord, matchStr);
+               }
+                rec_del(zh->reg->records, &rec);
             }
-           rec_rm (&rec);
+            zebra_rec_keys_close(delkeys);
+            zebra_rec_keys_close(sortKeys);
+           rec_free(&rec);
             logRecord(zh);
             return ZEBRA_OK;
         }
         else
-        {
-            /* record going to be updated */
-            if (!delkeys.buf_used)
-            {
-               if (show_progress)
-               {
-                   yaz_log (YLOG_LOG, "update %s %s %ld", recordType,
-                            pr_fname, (long) recordOffset);
-                   yaz_log (YLOG_WARN, "cannot update file above, storeKeys false");
-               }
-           }
-            else
-            {
-               if (show_progress)
-                   yaz_log (YLOG_LOG, "update %s %s %ld", recordType,
-                            pr_fname, (long) recordOffset);
-                extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
-                extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
-                zh->records_updated++;
-            }
+        {   /* update or special_update */
+           if (show_progress)
+                yaz_log(YLOG_LOG, "update %s %s " ZINT_FORMAT, recordType,
+                        pr_fname, (zint) start_offset);
+            extract_flush_sort_keys(zh, *sysno, 1, zh->reg->sortKeys);
+
+#if FLUSH2
+            extract_flush_record_keys2(zh, *sysno,
+                                       zh->reg->keys, extractCtrl.staticrank,
+                                       delkeys, recordAttr->staticrank);
+#else
+            extract_flush_record_keys(zh, *sysno, 1, 
+                                      zh->reg->keys, extractCtrl.staticrank);
+#endif
+           recordAttr->staticrank = extractCtrl.staticrank;
+            zh->records_updated++;
         }
+       zebra_rec_keys_close(delkeys);
+       zebra_rec_keys_close(sortKeys);
     }
     /* update file type */
-    xfree (rec->info[recInfo_fileType]);
+    xfree(rec->info[recInfo_fileType]);
     rec->info[recInfo_fileType] =
-        rec_strdup (recordType, &rec->size[recInfo_fileType]);
+        rec_strdup(recordType, &rec->size[recInfo_fileType]);
 
     /* update filename */
-    xfree (rec->info[recInfo_filename]);
+    xfree(rec->info[recInfo_filename]);
     rec->info[recInfo_filename] =
-        rec_strdup (fname, &rec->size[recInfo_filename]);
+        rec_strdup(fname, &rec->size[recInfo_filename]);
 
     /* update delete keys */
-    xfree (rec->info[recInfo_delKeys]);
-    if (zh->reg->keys.buf_used > 0 && zh->m_store_keys == 1)
+    xfree(rec->info[recInfo_delKeys]);
+    if (!zebra_rec_keys_empty(zh->reg->keys) && zh->m_store_keys == 1)
     {
-        rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
-        rec->info[recInfo_delKeys] = zh->reg->keys.buf;
-        zh->reg->keys.buf = NULL;
-        zh->reg->keys.buf_max = 0;
+       zebra_rec_keys_get_buf(zh->reg->keys,
+                              &rec->info[recInfo_delKeys],
+                              &rec->size[recInfo_delKeys]);
     }
     else
     {
         rec->info[recInfo_delKeys] = NULL;
         rec->size[recInfo_delKeys] = 0;
     }
-
     /* update sort keys */
-    xfree (rec->info[recInfo_sortKeys]);
+    xfree(rec->info[recInfo_sortKeys]);
 
-    rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
-    rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
-    zh->reg->sortKeys.buf = NULL;
-    zh->reg->sortKeys.buf_max = 0;
+    zebra_rec_keys_get_buf(zh->reg->sortKeys,
+                          &rec->info[recInfo_sortKeys],
+                          &rec->size[recInfo_sortKeys]);
 
-    /* save file size of original record */
-    zebraExplain_recordBytesIncrement (zh->reg->zei,
-                                      - recordAttr->recordSize);
-#if 0
-    recordAttr->recordSize = fi->file_moffset - recordOffset;
-    if (!recordAttr->recordSize)
-       recordAttr->recordSize = fi->file_max - recordOffset;
-#else
-    recordAttr->recordSize = buf_size;
-#endif
-    zebraExplain_recordBytesIncrement (zh->reg->zei,
-                                      recordAttr->recordSize);
+    if (stream)
+    {
+        recordAttr->recordSize = end_offset - start_offset;
+        zebraExplain_recordBytesIncrement(zh->reg->zei,
+                                          recordAttr->recordSize);
+    }
 
     /* set run-number for this record */
     recordAttr->runNumber =
-       zebraExplain_runNumberIncrement (zh->reg->zei, 0);
+       zebraExplain_runNumberIncrement(zh->reg->zei, 0);
 
     /* update store data */
-    xfree (rec->info[recInfo_storeData]);
+    xfree(rec->info[recInfo_storeData]);
 
     /* update store data */
     if (zh->store_data_buf)
@@ -1147,13 +1179,19 @@ ZEBRA_RES buffer_extract_record (ZebraHandle zh,
         rec->size[recInfo_storeData] = zh->store_data_size;
         rec->info[recInfo_storeData] = zh->store_data_buf;
        zh->store_data_buf = 0;
+        recordAttr->recordSize = zh->store_data_size;
     }
     else if (zh->m_store_data)
     {
+        off_t cur_offset = stream->tellf(stream);
+
         rec->size[recInfo_storeData] = recordAttr->recordSize;
         rec->info[recInfo_storeData] = (char *)
-           xmalloc (recordAttr->recordSize);
-        memcpy (rec->info[recInfo_storeData], buf, recordAttr->recordSize);
+           xmalloc(recordAttr->recordSize);
+        stream->seekf(stream, start_offset);
+        stream->readf(stream, rec->info[recInfo_storeData],
+                      recordAttr->recordSize);
+        stream->seekf(stream, cur_offset);
     }
     else
     {
@@ -1161,37 +1199,36 @@ ZEBRA_RES buffer_extract_record (ZebraHandle zh,
         rec->size[recInfo_storeData] = 0;
     }
     /* update database name */
-    xfree (rec->info[recInfo_databaseName]);
+    xfree(rec->info[recInfo_databaseName]);
     rec->info[recInfo_databaseName] =
-        rec_strdup (zh->basenames[0], &rec->size[recInfo_databaseName]); 
+        rec_strdup(zh->basenames[0], &rec->size[recInfo_databaseName]); 
 
     /* update offset */
-    recordAttr->recordOffset = recordOffset;
+    recordAttr->recordOffset = start_offset;
     
     /* commit this record */
-    rec_put (zh->reg->records, &rec);
+    rec_put(zh->reg->records, &rec);
     logRecord(zh);
     return ZEBRA_OK;
 }
 
-int explain_extract (void *handle, Record rec, data1_node *n)
+ZEBRA_RES zebra_extract_explain(void *handle, Record rec, data1_node *n)
 {
     ZebraHandle zh = (ZebraHandle) handle;
     struct recExtractCtrl extractCtrl;
 
-    if (zebraExplain_curDatabase (zh->reg->zei,
+    if (zebraExplain_curDatabase(zh->reg->zei,
                                  rec->info[recInfo_databaseName]))
     {
        abort();
-        if (zebraExplain_newDatabase (zh->reg->zei,
+        if (zebraExplain_newDatabase(zh->reg->zei,
                                      rec->info[recInfo_databaseName], 0))
-            abort ();
+            abort();
     }
 
-    create_rec_keys_codec(&zh->reg->keys);
+    zebra_rec_keys_reset(zh->reg->keys);
+    zebra_rec_keys_reset(zh->reg->sortKeys);
 
-    zh->reg->sortKeys.buf_used = 0;
-    
     extractCtrl.init = extract_init;
     extractCtrl.tokenAdd = extract_token_add;
     extractCtrl.schemaAdd = extract_schema_add;
@@ -1201,6 +1238,9 @@ int explain_extract (void *handle, Record rec, data1_node *n)
 
     extractCtrl.flagShowRecords = 0;
     extractCtrl.match_criteria[0] = '\0';
+    extractCtrl.staticrank = 0;
+    extractCtrl.action = action_update;
+
     extractCtrl.handle = handle;
     extractCtrl.first_record = 1;
     
@@ -1211,400 +1251,403 @@ int explain_extract (void *handle, Record rec, data1_node *n)
 
     if (rec->size[recInfo_delKeys])
     {
-       struct recKeys delkeys;
-       struct sortKeys sortkeys;
-
-       delkeys.buf_used = rec->size[recInfo_delKeys];
-       delkeys.buf = rec->info[recInfo_delKeys];
+       zebra_rec_keys_t delkeys = zebra_rec_keys_open();
+       
+       zebra_rec_keys_t sortkeys = zebra_rec_keys_open();
+
+       zebra_rec_keys_set_buf(delkeys, rec->info[recInfo_delKeys],
+                              rec->size[recInfo_delKeys],
+                              0);
+#if FLUSH2
+       extract_flush_record_keys2(zh, rec->sysno, 
+                                   zh->reg->keys, 0, delkeys, 0);
+#else
+       extract_flush_record_keys(zh, rec->sysno, 0, delkeys, 0);
+        extract_flush_record_keys(zh, rec->sysno, 1, zh->reg->keys, 0);
+#endif
+       zebra_rec_keys_close(delkeys);
 
-       sortkeys.buf_used = rec->size[recInfo_sortKeys];
-       sortkeys.buf = rec->info[recInfo_sortKeys];
+       zebra_rec_keys_set_buf(sortkeys, rec->info[recInfo_sortKeys],
+                              rec->size[recInfo_sortKeys],
+                              0);
 
-       extract_flushSortKeys (zh, rec->sysno, 0, &sortkeys);
-       extract_flushRecordKeys (zh, rec->sysno, 0, &delkeys);
+       extract_flush_sort_keys(zh, rec->sysno, 0, sortkeys);
+       zebra_rec_keys_close(sortkeys);
+    }
+    else
+    {
+#if FLUSH2
+       extract_flush_record_keys2(zh, rec->sysno, zh->reg->keys, 0, 0, 0);
+#else
+        extract_flush_record_keys(zh, rec->sysno, 1, zh->reg->keys, 0);        
+#endif
     }
-    extract_flushRecordKeys (zh, rec->sysno, 1, &zh->reg->keys);
-    extract_flushSortKeys (zh, rec->sysno, 1, &zh->reg->sortKeys);
-
-    xfree (rec->info[recInfo_delKeys]);
-    rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
-    rec->info[recInfo_delKeys] = zh->reg->keys.buf;
-    zh->reg->keys.buf = NULL;
-    zh->reg->keys.buf_max = 0;
-
-    xfree (rec->info[recInfo_sortKeys]);
-    rec->size[recInfo_sortKeys] = zh->reg->sortKeys.buf_used;
-    rec->info[recInfo_sortKeys] = zh->reg->sortKeys.buf;
-    zh->reg->sortKeys.buf = NULL;
-    zh->reg->sortKeys.buf_max = 0;
-
-    return 0;
+    extract_flush_sort_keys(zh, rec->sysno, 1, zh->reg->sortKeys);
+    
+    xfree(rec->info[recInfo_delKeys]);
+    zebra_rec_keys_get_buf(zh->reg->keys,
+                          &rec->info[recInfo_delKeys], 
+                          &rec->size[recInfo_delKeys]);
+
+    xfree(rec->info[recInfo_sortKeys]);
+    zebra_rec_keys_get_buf(zh->reg->sortKeys,
+                          &rec->info[recInfo_sortKeys],
+                          &rec->size[recInfo_sortKeys]);
+    return ZEBRA_OK;
 }
 
-void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno,
-                              int cmd, struct recKeys *reckeys)
+void extract_rec_keys_log(ZebraHandle zh, int is_insert,
+                          zebra_rec_keys_t reckeys,
+                          int level)
 {
-    void *decode_handle = iscz1_start();
-    int off = 0;
-    int ch = 0;
-    ZebraExplainInfo zei = zh->reg->zei;
-
-    if (!zh->reg->key_buf)
+    if (zebra_rec_keys_rewind(reckeys))
     {
-       int mem= 1024*1024* atoi( res_get_def( zh->res, "memmax", "8"));
-       if (mem <= 0)
-       {
-           yaz_log(YLOG_WARN, "Invalid memory setting, using default 8 MB");
-           mem= 1024*1024*8;
-       }
-       /* FIXME: That "8" should be in a default settings include */
-       /* not hard-coded here! -H */
-       zh->reg->key_buf = (char**) xmalloc (mem);
-       zh->reg->ptr_top = mem/sizeof(char*);
-       zh->reg->ptr_i = 0;
-       zh->reg->key_buf_used = 0;
-       zh->reg->key_file_no = 0;
-    }
-    zebraExplain_recordCountIncrement (zei, cmd ? 1 : -1);
+       size_t slen;
+       const char *str;
+       struct it_key key;
+        NMEM nmem = nmem_create();
 
-    while (off < reckeys->buf_used)
-    {
-        const char *src = reckeys->buf + off;
-        struct it_key key;
-       char *dst = (char*) &key;
-
-       iscz1_decode(decode_handle, &dst, &src);
-       assert(key.len == 4);
-
-        if (zh->reg->key_buf_used + 1024 > 
-            (zh->reg->ptr_top -zh->reg->ptr_i)*sizeof(char*))
-            extract_flushWriteKeys (zh,0);
-        ++(zh->reg->ptr_i);
-        assert(zh->reg->ptr_i > 0);
-        (zh->reg->key_buf)[zh->reg->ptr_top - zh->reg->ptr_i] =
-           (char*)zh->reg->key_buf + zh->reg->key_buf_used;
-
-       ch = (int) key.mem[0];  /* ordinal for field/use/attribute */
-
-       zh->reg->key_buf_used +=
-           key_SU_encode (ch,((char*)zh->reg->key_buf) +
-                           zh->reg->key_buf_used);
-        while (*src)
-            ((char*)zh->reg->key_buf) [(zh->reg->key_buf_used)++] = *src++;
-        src++;
-        ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = '\0';
-        ((char*)(zh->reg->key_buf))[(zh->reg->key_buf_used)++] = cmd;
-
-        key.len = 3;
-       if (key.mem[1]) /* filter specified record ID */
-           key.mem[0] = key.mem[1];
-       else
-           key.mem[0] = sysno;
-       key.mem[1] = key.mem[2];  /* section_id */
-       key.mem[2] = key.mem[3];  /* sequence .. */
-
-        memcpy ((char*)zh->reg->key_buf + zh->reg->key_buf_used,
-               &key, sizeof(key));
-        (zh->reg->key_buf_used) += sizeof(key);
-        off = src - reckeys->buf;
+       while(zebra_rec_keys_read(reckeys, &str, &slen, &key))
+        {
+            char keystr[200]; /* room for zints to print */
+            char *dst_term = 0;
+            int ord = CAST_ZINT_TO_INT(key.mem[0]);
+            const char *index_type;
+            int i;
+            const char *string_index;
+            
+            zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type,
+                                    0/* db */, &string_index);
+            assert(index_type);
+            zebra_term_untrans_iconv(zh, nmem, index_type,
+                                     &dst_term, str);
+            *keystr = '\0';
+            for (i = 0; i<key.len; i++)
+            {
+                sprintf(keystr + strlen(keystr), ZINT_FORMAT " ", key.mem[i]);
+            }
+
+            if (*str < CHR_BASE_CHAR)
+            {
+                int i;
+                char dst_buf[200]; /* room for special chars */
+
+                strcpy(dst_buf , "?");
+
+                if (!strcmp(str, ""))
+                    strcpy(dst_buf, "alwaysmatches");
+                if (!strcmp(str, FIRST_IN_FIELD_STR))
+                    strcpy(dst_buf, "firstinfield");
+                else if (!strcmp(str, CHR_UNKNOWN))
+                    strcpy(dst_buf, "unknown");
+                else if (!strcmp(str, CHR_SPACE))
+                    strcpy(dst_buf, "space");
+                
+                for (i = 0; i<slen; i++)
+                {
+                    sprintf(dst_buf + strlen(dst_buf), " %d", str[i] & 0xff);
+                }
+                yaz_log(level, "%s%s %s %s", keystr, index_type,
+                        string_index, dst_buf);
+                
+            }
+            else
+                yaz_log(level, "%s%s %s \"%s\"", keystr, index_type,
+                        string_index, dst_term);
+
+            nmem_reset(nmem);
+        }
+        nmem_destroy(nmem);
     }
-    assert (off == reckeys->buf_used);
-    iscz1_stop(decode_handle);
 }
 
-void extract_flushWriteKeys (ZebraHandle zh, int final)
-        /* optimizing: if final=1, and no files written yet */
-        /* push the keys directly to merge, sidestepping the */
-        /* temp file altogether. Speeds small updates */
+void extract_rec_keys_adjust(ZebraHandle zh, int is_insert,
+                             zebra_rec_keys_t reckeys)
 {
-    FILE *outf;
-    char out_fname[200];
-    char *prevcp, *cp;
-    struct encode_info encode_info;
-    int ptr_i = zh->reg->ptr_i;
-    int temp_policy;
-#if SORT_EXTRA
-    int i;
-#endif
-    if (!zh->reg->key_buf || ptr_i <= 0)
-    {
-        yaz_log (YLOG_DEBUG, "  nothing to flush section=%d buf=%p i=%d",
-               zh->reg->key_file_no, zh->reg->key_buf, ptr_i);
-        yaz_log (YLOG_DEBUG, "  buf=%p ",
-               zh->reg->key_buf);
-        yaz_log (YLOG_DEBUG, "  ptr=%d ",zh->reg->ptr_i);
-        yaz_log (YLOG_DEBUG, "  reg=%p ",zh->reg);
-               
-        return;
-    }
+    ZebraExplainInfo zei = zh->reg->zei;
+    struct ord_stat {
+        int no;
+        int ord;
+        struct ord_stat *next;
+    };
+
+    if (zebra_rec_keys_rewind(reckeys))
+    {
+        struct ord_stat *ord_list = 0;
+        struct ord_stat *p;
+       size_t slen;
+       const char *str;
+       struct it_key key_in;
+       while(zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
+        {
+            int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
 
-    (zh->reg->key_file_no)++;
-    yaz_log (YLOG_LOG, "sorting section %d", (zh->reg->key_file_no));
-    yaz_log (YLOG_DEBUG, "  sort_buff at %p n=%d",
-                    zh->reg->key_buf + zh->reg->ptr_top - ptr_i,ptr_i);
-#if !SORT_EXTRA
-    qsort (zh->reg->key_buf + zh->reg->ptr_top - ptr_i, ptr_i,
-               sizeof(char*), key_qsort_compare);
-
-    /* zebra.cfg: tempfiles:  
-       Y: always use temp files (old way) 
-       A: use temp files, if more than one (auto) 
-          = if this is both the last and the first 
-       N: never bother with temp files (new) */
-
-    temp_policy=toupper(res_get_def(zh->res,"tempfiles","auto")[0]);
-    if (temp_policy != 'Y' && temp_policy != 'N' && temp_policy != 'A') {
-        yaz_log (YLOG_WARN, "Illegal tempfiles setting '%c'. using 'Auto' ", 
-                        temp_policy);
-        temp_policy='A';
-    }
+            for (p = ord_list; p ; p = p->next)
+                if (p->ord == ord)
+                {
+                    p->no++;
+                    break;
+                }
+            if (!p)
+            {
+                p = xmalloc(sizeof(*p));
+                p->no = 1;
+                p->ord = ord;
+                p->next = ord_list;
+                ord_list = p;
+            }
+        }
+
+        p = ord_list;
+        while (p)
+        {
+            struct ord_stat *p1 = p;
 
-    if (   ( temp_policy =='N' )   ||     /* always from memory */
-         ( ( temp_policy =='A' ) &&       /* automatic */
-             (zh->reg->key_file_no == 1) &&  /* this is first time */
-             (final) ) )                     /* and last (=only) time */
-    { /* go directly from memory */
-        zh->reg->key_file_no =0; /* signal not to read files */
-        zebra_index_merge(zh); 
-        zh->reg->ptr_i = 0;
-        zh->reg->key_buf_used = 0; 
-        return; 
+            if (is_insert)
+                zebraExplain_ord_adjust_occurrences(zei, p->ord, p->no, 1);
+            else
+                zebraExplain_ord_adjust_occurrences(zei, p->ord, - p->no, -1);
+            p = p->next;
+            xfree(p1);
+        }
     }
+}
 
-    /* Not doing directly from memory, write into a temp file */
-    extract_get_fname_tmp (zh, out_fname, zh->reg->key_file_no);
+void extract_flush_record_keys2(ZebraHandle zh, zint sysno,
+                                zebra_rec_keys_t ins_keys, zint ins_rank,
+                                zebra_rec_keys_t del_keys, zint del_rank)
+{
+    ZebraExplainInfo zei = zh->reg->zei;
+    int normal = 0;
+    int optimized = 0;
 
-    if (!(outf = fopen (out_fname, "wb")))
+    if (!zh->reg->key_block)
     {
-        yaz_log (YLOG_FATAL|YLOG_ERRNO, "fopen %s", out_fname);
-        exit (1);
+       int mem = 1024*1024 * atoi( res_get_def( zh->res, "memmax", "8"));
+        const char *key_tmp_dir = res_get_def(zh->res, "keyTmpDir", ".");
+        int use_threads = atoi(res_get_def(zh->res, "threads", "1"));
+        zh->reg->key_block = key_block_create(mem, key_tmp_dir, use_threads);
     }
-    yaz_log (YLOG_LOG, "writing section %d", zh->reg->key_file_no);
-    prevcp = cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
-    
-    encode_key_init (&encode_info);
-    encode_key_write (cp, &encode_info, outf);
-    
-    while (--ptr_i > 0)
+
+    if (ins_keys)
     {
-        cp = (zh->reg->key_buf)[zh->reg->ptr_top - ptr_i];
-        if (strcmp (cp, prevcp))
-        {
-            encode_key_flush ( &encode_info, outf);
-            encode_key_init (&encode_info);
-            encode_key_write (cp, &encode_info, outf);
-            prevcp = cp;
-        }
-        else
-            encode_key_write (cp + strlen(cp), &encode_info, outf);
+        extract_rec_keys_adjust(zh, 1, ins_keys);
+        if (!del_keys)
+            zebraExplain_recordCountIncrement(zei, 1);
+        zebra_rec_keys_rewind(ins_keys);
     }
-    encode_key_flush ( &encode_info, outf);
-#else
-    qsort (key_buf + ptr_top-ptr_i, ptr_i, sizeof(char*), key_x_compare);
-    extract_get_fname_tmp (out_fname, key_file_no);
-
-    if (!(outf = fopen (out_fname, "wb")))
+    if (del_keys)
     {
-        yaz_log (YLOG_FATAL|YLOG_ERRNO, "fopen %s", out_fname);
-        exit (1);
+        extract_rec_keys_adjust(zh, 0, del_keys);
+        if (!ins_keys)
+            zebraExplain_recordCountIncrement(zei, -1);
+        zebra_rec_keys_rewind(del_keys);
     }
-    yaz_log (YLOG_LOG, "writing section %d", key_file_no);
-    i = ptr_i;
-    prevcp =  key_buf[ptr_top-i];
+
     while (1)
-        if (!--i || strcmp (prevcp, key_buf[ptr_top-i]))
+    {
+       size_t del_slen;
+       const char *del_str;
+       struct it_key del_key_in;
+        int del = 0;
+
+       size_t ins_slen;
+       const char *ins_str;
+       struct it_key ins_key_in;
+        int ins = 0;
+
+        if (del_keys)
+            del = zebra_rec_keys_read(del_keys, &del_str, &del_slen,
+                                      &del_key_in);
+        if (ins_keys)
+            ins = zebra_rec_keys_read(ins_keys, &ins_str, &ins_slen,
+                                      &ins_key_in);
+
+        if (del && ins && ins_rank == del_rank
+            && !key_compare(&del_key_in, &ins_key_in) 
+            && ins_slen == del_slen && !memcmp(del_str, ins_str, del_slen))
         {
-            key_y_len = strlen(prevcp)+1;
-#if 0
-            yaz_log (YLOG_LOG, "key_y_len: %2d %02x %02x %s",
-                      key_y_len, prevcp[0], prevcp[1], 2+prevcp);
-#endif
-            qsort (key_buf + ptr_top-ptr_i, ptr_i - i,
-                                   sizeof(char*), key_y_compare);
-            cp = key_buf[ptr_top-ptr_i];
-            --key_y_len;
-            encode_key_init (&encode_info);
-            encode_key_write (cp, &encode_info, outf);
-            while (--ptr_i > i)
-            {
-                cp = key_buf[ptr_top-ptr_i];
-                encode_key_write (cp+key_y_len, &encode_info, outf);
-            }
-            encode_key_flush ( &encode_info, outf);
-            if (!i)
-                break;
-            prevcp = key_buf[ptr_top-ptr_i];
+            optimized++;
+            continue;
         }
-#endif
-    if (fclose (outf))
+        if (!del && !ins)
+            break;
+        
+        normal++;
+        if (del)
+            key_block_write(zh->reg->key_block, sysno, 
+                            &del_key_in, 0, del_str, del_slen,
+                            del_rank, zh->m_staticrank);
+        if (ins)
+            key_block_write(zh->reg->key_block, sysno, 
+                            &ins_key_in, 1, ins_str, ins_slen,
+                            ins_rank, zh->m_staticrank);
+    }
+    yaz_log(log_level_extract, "normal=%d optimized=%d", normal, optimized);
+}
+
+
+ZEBRA_RES zebra_rec_keys_to_snippets1(ZebraHandle zh,
+                                     zebra_rec_keys_t reckeys,
+                                     zebra_snippets *snippets)
+{
+    NMEM nmem = nmem_create();
+    if (zebra_rec_keys_rewind(reckeys)) 
     {
-        yaz_log (YLOG_FATAL|YLOG_ERRNO, "fclose %s", out_fname);
-        exit (1);
+       const char *str;
+       size_t slen;
+       struct it_key key;
+       while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
+       {
+           char *dst_term = 0;
+           int ord;
+            zint seqno;
+           const char *index_type;
+
+           assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
+           seqno = key.mem[key.len-1];
+           ord = CAST_ZINT_TO_INT(key.mem[0]);
+           
+           zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type,
+                                   0/* db */, 0 /* string_index */);
+           assert(index_type);
+           zebra_term_untrans_iconv(zh, nmem, index_type,
+                                    &dst_term, str);
+           zebra_snippets_append(snippets, seqno, 0, ord, dst_term);
+           nmem_reset(nmem);
+       }
     }
-    yaz_log (YLOG_LOG, "finished section %d", zh->reg->key_file_no);
-    zh->reg->ptr_i = 0;
-    zh->reg->key_buf_used = 0;
+    nmem_destroy(nmem);
+    return ZEBRA_OK;
 }
 
-void extract_add_it_key (ZebraHandle zh,
-                        int reg_type,
-                        const char *str, int slen, struct it_key *key)
+void print_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys)
 {
-    char *dst;
-    struct recKeys *keys = &zh->reg->keys;
-    const char *src = (char*) key;
-    
-    if (keys->buf_used+1024 > keys->buf_max)
+    yaz_log(YLOG_LOG, "print_rec_keys");
+    if (zebra_rec_keys_rewind(reckeys))
     {
-        char *b = (char *) xmalloc (keys->buf_max += 128000);
-        if (keys->buf_used > 0)
-            memcpy (b, keys->buf, keys->buf_used);
-        xfree (keys->buf);
-        keys->buf = b;
+       const char *str;
+       size_t slen;
+       struct it_key key;
+       while (zebra_rec_keys_read(reckeys, &str, &slen, &key))
+       {
+           char dst_buf[IT_MAX_WORD];
+           zint seqno;
+           const char *index_type;
+            int ord = CAST_ZINT_TO_INT(key.mem[0]);
+           const char *db = 0;
+           assert(key.len <= IT_KEY_LEVEL_MAX && key.len > 2);
+
+           zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db, 0);
+           
+           seqno = key.mem[key.len-1];
+           
+           zebra_term_untrans(zh, index_type, dst_buf, str);
+           
+           yaz_log(YLOG_LOG, "ord=%d seqno=" ZINT_FORMAT 
+                    " term=%s", ord, seqno, dst_buf); 
+       }
     }
-    dst = keys->buf + keys->buf_used;
-
-    iscz1_encode(keys->codec_handle, &dst, &src);
-
-    *dst++ = reg_type;
-    memcpy (dst, str, slen);
-    dst += slen;
-    *dst++ = '\0';
-    keys->buf_used = dst - keys->buf;
 }
 
-void print_rec_keys(ZebraHandle zh, struct recKeys *reckeys)
+static void extract_add_index_string(RecWord *p, zinfo_index_category_t cat,
+                                     const char *str, int length)
 {
-    void *decode_handle = iscz1_start();
-    int off = 0;
-    int seqno = 0;
-    NMEM nmem = nmem_create();
+    struct it_key key;
+    ZebraHandle zh = p->extractCtrl->handle;
+    ZebraExplainInfo zei = zh->reg->zei;
+    int ch, i;
 
-    yaz_log(YLOG_LOG, "print_rec_keys buf=%p sz=%d", reckeys->buf,
-           reckeys->buf_used);
-    assert(reckeys->buf);
-    while (off < reckeys->buf_used)
-    {
-        const char *src = reckeys->buf + off;
-        struct it_key key;
-       char *dst = (char*) &key;
-       int attrSet, attrUse;
-       char dst_buf[IT_MAX_WORD];
-       char *dst_term = dst_buf;
+    ch = zebraExplain_lookup_attr_str(zei, cat, p->index_type, p->index_name);
+    if (ch < 0)
+        ch = zebraExplain_add_attr_str(zei, cat, p->index_type, p->index_name);
 
-       iscz1_decode(decode_handle, &dst, &src);
-       assert(key.len <= 4 && key.len > 2);
+    i = 0;
+    key.mem[i++] = ch;
+    key.mem[i++] = p->record_id;
+    key.mem[i++] = p->section_id;
 
-       attrSet = (int) key.mem[0] >> 16;
-       attrUse = (int) key.mem[0] & 65535;
-       seqno = (int) key.mem[key.len-1];
+    if (zh->m_segment_indexing)
+        key.mem[i++] = p->segment;
+    key.mem[i++] = p->seqno;
+    key.len = i;
 
-       zebra_term_untrans_iconv(zh, nmem, src[0], &dst_term, src+1);
-       
-       yaz_log(YLOG_LOG, "ord=" ZINT_FORMAT " seqno=%d term=%s",
-               key.mem[0], seqno, dst_term); 
-        while (*src++)
-           ;
-        off = src - reckeys->buf;
-       nmem_reset(nmem);
-    }
-    nmem_destroy(nmem);
-    iscz1_stop(decode_handle);
+    zebra_rec_keys_write(zh->reg->keys, str, length, &key);
 }
 
-void extract_add_index_string (RecWord *p, const char *str, int length)
+static void extract_add_sort_string(RecWord *p, const char *str, int length)
 {
     struct it_key key;
-
     ZebraHandle zh = p->extractCtrl->handle;
     ZebraExplainInfo zei = zh->reg->zei;
     int ch;
+    zinfo_index_category_t cat = zinfo_index_category_sort;
 
-    if (p->attrStr)
-    {
-       ch = zebraExplain_lookup_attr_str(zei, p->attrStr);
-       if (ch < 0)
-           ch = zebraExplain_add_attr_str(zei, p->attrStr);
-    }
-    else
-    {
-       ch = zebraExplain_lookup_attr_su(zei, p->attrSet, p->attrUse);
-       if (ch < 0)
-           ch = zebraExplain_add_attr_su(zei, p->attrSet, p->attrUse);
-    }
-    key.len = 4;
+    ch = zebraExplain_lookup_attr_str(zei, cat, p->index_type, p->index_name);
+    if (ch < 0)
+        ch = zebraExplain_add_attr_str(zei, cat, p->index_type, p->index_name);
+    key.len = 2;
     key.mem[0] = ch;
     key.mem[1] = p->record_id;
-    key.mem[2] = p->section_id;
-    key.mem[3] = p->seqno;
 
-#if 0
-    /* just for debugging .. */
-    yaz_log(YLOG_LOG, "add: set=%d use=%d "
-           "record_id=%lld section_id=%lld seqno=%lld",
-           p->attrSet, p->attrUse, p->record_id, p->section_id, p->seqno);
-#endif
+    zebra_rec_keys_write(zh->reg->sortKeys, str, length, &key);
+}
+
+static void extract_add_staticrank_string(RecWord *p,
+                                          const char *str, int length)
+{
+    char valz[40];
+    struct recExtractCtrl *ctrl = p->extractCtrl;
+
+    if (length > sizeof(valz)-1)
+        length = sizeof(valz)-1;
 
-    extract_add_it_key(p->extractCtrl->handle,  p->reg_type, str,
-                      length, &key);
+    memcpy(valz, str, length);
+    valz[length] = '\0';
+    ctrl->staticrank = atozint(valz);
 }
 
-static void extract_add_sort_string (RecWord *p, const char *str,
-                                    int length)
+static void extract_add_string(RecWord *p, zebra_map_t zm,
+                               const char *string, int length)
 {
-    ZebraHandle zh = p->extractCtrl->handle;
-    struct sortKeys *sk = &zh->reg->sortKeys;
-    int off = 0;
+    assert(length > 0);
+
+    if (!p->index_name)
+        return;
 
-    while (off < sk->buf_used)
+    if (zebra_maps_is_index(zm))
     {
-        int set, use, slen;
-
-        off += key_SU_decode(&set, sk->buf + off);
-        off += key_SU_decode(&use, sk->buf + off);
-        off += key_SU_decode(&slen, sk->buf + off);
-        off += slen;
-        if (p->attrSet == set && p->attrUse == use)
-            return;
+       extract_add_index_string(p, zinfo_index_category_index,
+                                 string, length);
+        if (zebra_maps_is_alwaysmatches(zm))
+        {
+            RecWord word;
+            memcpy(&word, p, sizeof(word));
+
+            word.seqno = 1;
+            extract_add_index_string(
+                &word, zinfo_index_category_alwaysmatches, "", 0);
+        }
     }
-    assert (off == sk->buf_used);
-    
-    if (sk->buf_used + IT_MAX_WORD > sk->buf_max)
+    else if (zebra_maps_is_sort(zm))
     {
-        char *b;
-        
-        b = (char *) xmalloc (sk->buf_max += 128000);
-        if (sk->buf_used > 0)
-            memcpy (b, sk->buf, sk->buf_used);
-        xfree (sk->buf);
-        sk->buf = b;
+       extract_add_sort_string(p, string, length);
+    }
+    else if (zebra_maps_is_staticrank(zm))
+    {
+       extract_add_staticrank_string(p, string, length);
     }
-    off += key_SU_encode(p->attrSet, sk->buf + off);
-    off += key_SU_encode(p->attrUse, sk->buf + off);
-    off += key_SU_encode(length, sk->buf + off);
-    memcpy (sk->buf + off, str, length);
-    sk->buf_used = off + length;
-}
-
-void extract_add_string (RecWord *p, const char *string, int length)
-{
-    assert (length > 0);
-    if (zebra_maps_is_sort (p->zebra_maps, p->reg_type))
-       extract_add_sort_string (p, string, length);
-    else
-       extract_add_index_string (p, string, length);
 }
 
-static void extract_add_incomplete_field (RecWord *p)
+static void extract_add_incomplete_field(RecWord *p, zebra_map_t zm)
 {
     const char *b = p->term_buf;
     int remain = p->term_len;
+    int first = 1;
     const char **map = 0;
     
-    yaz_log(YLOG_DEBUG, "Incomplete field, w='%.*s'", p->term_len, p->term_buf);
-
     if (remain > 0)
-       map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
+       map = zebra_maps_input(zm, &b, remain, 0);
 
     while (map)
     {
@@ -1616,7 +1659,7 @@ static void extract_add_incomplete_field (RecWord *p)
        {
            remain = p->term_len - (b - p->term_buf);
            if (remain > 0)
-               map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
+               map = zebra_maps_input(zm, &b, remain, 0);
            else
                map = 0;
        }
@@ -1631,29 +1674,37 @@ static void extract_add_incomplete_field (RecWord *p)
                buf[i++] = *(cp++);
            remain = p->term_len - (b - p->term_buf);
            if (remain > 0)
-               map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, 0);
+               map = zebra_maps_input(zm, &b, remain, 0);
            else
                map = 0;
        }
        if (!i)
            return;
-       extract_add_string (p, buf, i);
+
+        if (first)
+        {   
+            first = 0;
+            if (zebra_maps_is_first_in_field(zm))
+            {
+                /* first in field marker */
+                extract_add_string(p, zm, FIRST_IN_FIELD_STR, FIRST_IN_FIELD_LEN);
+                p->seqno++;
+            }
+        }
+       extract_add_string(p, zm, buf, i);
         p->seqno++;
     }
 }
 
-static void extract_add_complete_field (RecWord *p)
+static void extract_add_complete_field(RecWord *p, zebra_map_t zm)
 {
     const char *b = p->term_buf;
     char buf[IT_MAX_WORD+1];
     const char **map = 0;
     int i = 0, remain = p->term_len;
 
-    yaz_log(YLOG_DEBUG, "Complete field, w='%.*s'",
-           p->term_len, p->term_buf);
-
     if (remain > 0)
-       map = zebra_maps_input (p->zebra_maps, p->reg_type, &b, remain, 1);
+       map = zebra_maps_input(zm, &b, remain, 1);
 
     while (remain > 0 && i < IT_MAX_WORD)
     {
@@ -1664,7 +1715,7 @@ static void extract_add_complete_field (RecWord *p)
            if (remain > 0)
            {
                int first = i ? 0 : 1;  /* first position */
-               map = zebra_maps_input(p->zebra_maps, p->reg_type, &b, remain, first);
+               map = zebra_maps_input(zm, &b, remain, first);
            }
            else
                map = 0;
@@ -1686,15 +1737,13 @@ static void extract_add_complete_field (RecWord *p)
            {
                if (i >= IT_MAX_WORD)
                    break;
-               yaz_log(YLOG_DEBUG, "Adding string to index '%d'", **map);
                while (i < IT_MAX_WORD && *cp)
                    buf[i++] = *(cp++);
            }
            remain = p->term_len  - (b - p->term_buf);
            if (remain > 0)
            {
-               map = zebra_maps_input (p->zebra_maps, p->reg_type, &b,
-                                       remain, 0);
+               map = zebra_maps_input(zm, &b, remain, 0);
            }
            else
                map = 0;
@@ -1702,28 +1751,67 @@ static void extract_add_complete_field (RecWord *p)
     }
     if (!i)
        return;
-    extract_add_string (p, buf, i);
+    extract_add_string(p, zm, buf, i);
+}
+
+static void extract_add_icu(RecWord *p, zebra_map_t zm)
+{
+    const char *res_buf = 0;
+    size_t res_len = 0;
+
+    zebra_map_tokenize_start(zm, p->term_buf, p->term_len);
+    while (zebra_map_tokenize_next(zm, &res_buf, &res_len, 0, 0))
+    {
+        extract_add_string(p, zm, res_buf, res_len);
+        p->seqno++;
+    }
 }
 
-void extract_token_add (RecWord *p)
+
+/** \brief top-level indexing handler for recctrl system
+    \param p token data to be indexed
+
+    Call sequence:
+    extract_token_add
+    extract_add_{in}_complete / extract_add_icu
+    extract_add_string
+    
+    extract_add_index_string
+    or
+    extract_add_sort_string
+    or
+    extract_add_staticrank_string
+    
+*/
+static void extract_token_add(RecWord *p)
 {
+    ZebraHandle zh = p->extractCtrl->handle;
+    zebra_map_t zm = zebra_map_get_or_add(zh->reg->zebra_maps, p->index_type);
     WRBUF wrbuf;
-#if 0
-    yaz_log (YLOG_LOG, "token_add "
-            "reg_type=%c attrSet=%d attrUse=%d seqno=%d s=%.*s",
-             p->reg_type, p->attrSet, p->attrUse, p->seqno, p->length,
-             p->string);
-#endif
-    if ((wrbuf = zebra_replace(p->zebra_maps, p->reg_type, 0,
-                              p->term_buf, p->term_len)))
+
+    if (log_level_details)
+    {
+        yaz_log(log_level_details, "extract_token_add "
+                "type=%s index=%s seqno=" ZINT_FORMAT " s=%.*s",
+                p->index_type, p->index_name, 
+                p->seqno, p->term_len, p->term_buf);
+    }
+    if ((wrbuf = zebra_replace(zm, 0, p->term_buf, p->term_len)))
+    {
+        p->term_buf = wrbuf_buf(wrbuf);
+        p->term_len = wrbuf_len(wrbuf);
+    }
+    if (zebra_maps_is_icu(zm))
     {
-       p->term_buf = wrbuf_buf(wrbuf);
-       p->term_len = wrbuf_len(wrbuf);
+        extract_add_icu(p, zm);
     }
-    if (zebra_maps_is_complete (p->zebra_maps, p->reg_type))
-       extract_add_complete_field (p);
     else
-       extract_add_incomplete_field(p);
+    {
+        if (zebra_maps_is_complete(zm))
+            extract_add_complete_field(p, zm);
+        else
+            extract_add_incomplete_field(p, zm);
+    }
 }
 
 static void extract_set_store_data_cb(struct recExtractCtrl *p,
@@ -1751,181 +1839,48 @@ static void extract_set_store_data_prepare(struct recExtractCtrl *p)
     p->setStoreData = extract_set_store_data_cb;
 }
 
-void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid)
+static void extract_schema_add(struct recExtractCtrl *p, Odr_oid *oid)
 {
     ZebraHandle zh = (ZebraHandle) p->handle;
-    zebraExplain_addSchema (zh->reg->zei, oid);
-}
-
-void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
-                            int cmd, struct sortKeys *sk)
-{
-    SortIdx sortIdx = zh->reg->sortIdx;
-    int off = 0;
-
-    sortIdx_sysno (sortIdx, sysno);
-
-    while (off < sk->buf_used)
-    {
-        int set, use, slen;
-        
-        off += key_SU_decode(&set, sk->buf + off);
-        off += key_SU_decode(&use, sk->buf + off);
-        off += key_SU_decode(&slen, sk->buf + off);
-        
-        sortIdx_type(sortIdx, use);
-        if (cmd == 1)
-            sortIdx_add(sortIdx, sk->buf + off, slen);
-        else
-            sortIdx_add(sortIdx, "", 1);
-        off += slen;
-    }
+    zebraExplain_addSchema(zh->reg->zei, oid);
 }
 
-void encode_key_init (struct encode_info *i)
+void extract_flush_sort_keys(ZebraHandle zh, zint sysno,
+                             int cmd, zebra_rec_keys_t reckeys)
 {
-    i->sysno = 0;
-    i->seqno = 0;
-    i->cmd = -1;
-    i->prevsys=0;
-    i->prevseq=0;
-    i->prevcmd=-1;
-    i->keylen=0;
-    i->encode_handle = iscz1_start();
-}
-
-#define OLDENCODE 1
+#if 0
+    yaz_log(YLOG_LOG, "extract_flush_sort_keys cmd=%d sysno=" ZINT_FORMAT,
+            cmd, sysno);
+    extract_rec_keys_log(zh, cmd, reckeys, YLOG_LOG);
+#endif
 
-#ifdef OLDENCODE
-/* this is the old encode_key_write 
- * may be deleted once we are confident that the new works
- * HL 15-oct-2002
- */
-void encode_key_write (char *k, struct encode_info *i, FILE *outf)
-{
-    struct it_key key;
-    char *bp = i->buf, *bp0;
-    const char *src = (char *) &key;
-
-    /* copy term to output buf */
-    while ((*bp++ = *k++))
-        ;
-    /* and copy & align key so we can mangle */
-    memcpy (&key, k+1, sizeof(struct it_key));  /* *k is insert/delete */
-
-    bp0 = bp++;
-    iscz1_encode(i->encode_handle, &bp, &src);
-    *bp0 = (*k * 128) + bp - bp0 - 1; /* length and insert/delete combined */
-    if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
+    if (zebra_rec_keys_rewind(reckeys))
     {
-        yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite");
-        exit (1);
-    }
-}
-
-void encode_key_flush (struct encode_info *i, FILE *outf)
-{ /* dummy routine */
-    iscz1_stop(i->encode_handle);
-}
+        zebra_sort_index_t si = zh->reg->sort_index;
+       size_t slen;
+       const char *str;
+       struct it_key key_in;
 
-#else
-
-/* new encode_key_write
- * The idea is to buffer one more key, and compare them
- * If we are going to delete and insert the same key, 
- * we may as well not bother. Should make a difference in 
- * updates with small modifications (appending to a mbox)
- */
-void encode_key_write (char *k, struct encode_info *i, FILE *outf)
-{
-    struct it_key key;
-    char *bp; 
-
-    if (*k)  /* first time for new key */
-    {
-        bp = i->buf;
-        while ((*bp++ = *k++))
-            ;
-       i->keylen= bp - i->buf -1;    
-       assert(i->keylen+1+sizeof(struct it_key) < ENCODE_BUFLEN);
-    }
-    else
-    {
-       bp=i->buf + i->keylen;
-       *bp++=0;
-       k++;
-    }
+        zebra_sort_sysno(si, sysno);
 
-    memcpy (&key, k+1, sizeof(struct it_key));
-    if (0==i->prevsys) /* no previous filter, fill up */
-    {
-        i->prevsys=key.sysno;
-       i->prevseq=key.seqno;
-       i->prevcmd=*k;
-    }
-    else if ( (i->prevsys==key.sysno) &&
-              (i->prevseq==key.seqno) &&
-             (i->prevcmd!=*k) )
-    { /* same numbers, diff cmd, they cancel out */
-        i->prevsys=0;
-    }
-    else 
-    { /* different stuff, write previous, move buf */
-        bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
-       if (i->sysno != i->prevsys)
-       {
-           i->sysno = i->prevsys;
-           i->seqno = 0;
-        }
-        else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
-       {
-           return; /* ??? Filters some sort of duplicates away */
-                   /* ??? Can this ever happen   -H 15oct02 */
-       }
-        bp = encode_key_int (i->prevseq - i->seqno, bp);
-        i->seqno = i->prevseq;
-        i->cmd = i->prevcmd;
-        if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
+       while (zebra_rec_keys_read(reckeys, &str, &slen, &key_in))
         {
-            yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite");
-            exit (1);
+            int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
+            
+            zebra_sort_type(si, ord);
+            if (cmd == 1)
+                zebra_sort_add(si, str, slen);
+            else
+                zebra_sort_delete(si);
         }
-        i->keylen=0; /* ok, it's written, forget it */
-       i->prevsys=key.sysno;
-       i->prevseq=key.seqno;
-       i->prevcmd=*k;
     }
 }
 
-void encode_key_flush (struct encode_info *i, FILE *outf)
-{ /* flush the last key from i */
-    char *bp =i->buf + i->keylen;
-    if (0==i->prevsys)
-    {
-        return; /* nothing to flush */
-    }
-    *bp++=0;
-    bp = encode_key_int ( (i->prevsys - i->sysno) * 2 + i->prevcmd, bp);
-    if (i->sysno != i->prevsys)
-    {
-        i->sysno = i->prevsys;
-        i->seqno = 0;
-    }
-    else if (!i->seqno && !i->prevseq && i->cmd == i->prevcmd)
-    {
-        return; /* ??? Filters some sort of duplicates away */
-                /* ??? Can this ever happen   -H 15oct02 */
-    }
-    bp = encode_key_int (i->prevseq - i->seqno, bp);
-    i->seqno = i->prevseq;
-    i->cmd = i->prevcmd;
-    if (fwrite (i->buf, bp - i->buf, 1, outf) != 1)
-    {
-        yaz_log (YLOG_FATAL|YLOG_ERRNO, "fwrite");
-        exit (1);
-    }
-    i->keylen=0; /* ok, it's written, forget it */
-    i->prevsys=0; /* forget the values too */
-    i->prevseq=0;
-}
-#endif
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+