On -V, display Expat version
[idzebra-moved-to-github.git] / index / extract.c
index be70f55..557c2f2 100644 (file)
@@ -1,5 +1,5 @@
-/* $Id: extract.c,v 1.128 2002-10-24 13:07:02 heikki Exp $
-   Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+/* $Id: extract.c,v 1.146 2003-10-07 09:18:43 adam Exp $
+   Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003
    Index Data Aps
 
 This file is part of the Zebra server.
@@ -361,8 +361,9 @@ static char *fileMatchStr (ZebraHandle zh,
                 spec_src = rGroup->groupName;
             else if (!strcmp (special, "database"))
                 spec_src = rGroup->databaseName;
-            else if (!strcmp (special, "filename"))
+            else if (!strcmp (special, "filename")) {
                 spec_src = fname;
+           }
             else if (!strcmp (special, "type"))
                 spec_src = rGroup->recordType;
             else 
@@ -418,7 +419,8 @@ static int recordExtract (ZebraHandle zh,
                           SYSNO *sysno, const char *fname,
                           struct recordGroup *rGroup, int deleteFlag,
                           struct file_read_info *fi,
-                         RecType recType, char *subType, void *clientData)
+                         RecType recType, char *subType, void *clientData,
+                          int force_update)
 {
     RecordAttr *recordAttr;
     int r;
@@ -439,8 +441,6 @@ static int recordExtract (ZebraHandle zh,
        zh->reg->keys.prevAttrSet = -1;
        zh->reg->keys.prevSeqNo = 0;
        zh->reg->sortKeys.buf_used = 0;
-       zh->reg->sortKeys.buf_max = 0;
-       zh->reg->sortKeys.buf = 0;
        
        recordOffset = fi->file_moffset;
        extractCtrl.offset = fi->file_moffset;
@@ -581,7 +581,7 @@ static int recordExtract (ZebraHandle zh,
        
        recordAttr = rec_init_attr (zh->reg->zei, rec);
 
-       if (recordAttr->runNumber ==
+       if (!force_update && recordAttr->runNumber ==
             zebraExplain_runNumberIncrement (zh->reg->zei, 0))
        {
             yaz_log (LOG_LOG, "run number = %d", recordAttr->runNumber);
@@ -883,15 +883,13 @@ int fileExtract (ZebraHandle zh, SYSNO *sysno, const char *fname,
     {
         file_begin (fi);
         r = recordExtract (zh, sysno, fname, rGroup, deleteFlag, fi,
-                           recType, subType, clientData);
+                           recType, subType, clientData, 1);
     } while (r && !sysno && fi->file_more);
     file_read_stop (fi);
     if (fd != -1)
         close (fd);
     return r;
 }
-
-
 int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
                         const char *buf, size_t buf_size,
                         const char *databaseName, int delete_flag,
@@ -899,14 +897,56 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
                         int store_keys, int store_data,
                         const char *match_criteria)
 {
+    struct recordGroup rGroup;
+    rGroup.groupName = NULL;
+    rGroup.databaseName = (char *)databaseName;
+    rGroup.path = NULL;
+    rGroup.recordId = NULL;
+    rGroup.recordType = (char *)recordType;
+    rGroup.flagStoreData = store_data;
+    rGroup.flagStoreKeys = store_keys;
+    rGroup.flagRw = 1;
+    rGroup.databaseNamePath = 0;
+    rGroup.explainDatabase = 0;
+    rGroup.fileVerboseLimit = 100000;
+    rGroup.followLinks = -1;
+    return (bufferExtractRecord (zh,
+                                buf, buf_size,
+                                &rGroup,
+                                delete_flag,
+                                test_mode,
+                                recordType,
+                                sysno,
+                                match_criteria,
+                                "<no file>",
+                                0,1));
+}
+/*
+  If sysno is provided, then it's used to identify the reocord.
+  If not, and match_criteria is provided, then sysno is guessed
+  If not, and a record is provided, then sysno is got from there
+  
+ */
+int bufferExtractRecord (ZebraHandle zh, 
+                        const char *buf, size_t buf_size,
+                        struct recordGroup *rGroup, 
+                        int delete_flag,
+                        int test_mode, 
+                        const char *recordType,
+                        int *sysno,
+                        const char *match_criteria,
+                        const char *fname,
+                        int force_update,
+                        int allow_update)
+
+{
     RecordAttr *recordAttr;
     struct recExtractCtrl extractCtrl;
     int i, r;
     char *matchStr = 0;
-    RecType recType;
+    RecType recType = NULL;
     char subType[1024];
     void *clientData;
-    const char *fname = "<no file>";
     Record rec;
     long recordOffset = 0;
     struct zebra_fetch_control fc;
@@ -925,26 +965,45 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
     extractCtrl.endf = zebra_record_int_end;
     extractCtrl.fh = &fc;
 
-    /* announce database */
-    if (zebraExplain_curDatabase (zh->reg->zei, databaseName))
-    {
-        if (zebraExplain_newDatabase (zh->reg->zei, databaseName, 0))
-           return 0;
-    }
-    if (!(recType =
-         recType_byName (zh->reg->recTypes, recordType, subType,
-                         &clientData)))
-    {
-        logf (LOG_WARN, "No such record type: %s", recordType);
-        return 0;
-    }
-
     zh->reg->keys.buf_used = 0;
     zh->reg->keys.prevAttrUse = -1;
     zh->reg->keys.prevAttrSet = -1;
     zh->reg->keys.prevSeqNo = 0;
     zh->reg->sortKeys.buf_used = 0;
 
+    /* announce database */
+
+    if (!(rGroup->databaseName)) {
+        logf (LOG_WARN, "Invalid record group, no database name given");
+       return 0;
+    }
+    
+    if (zebraExplain_curDatabase (zh->reg->zei, rGroup->databaseName))
+    {
+        if (zebraExplain_newDatabase (zh->reg->zei, rGroup->databaseName, 0))
+            return 0;
+    }
+    
+    if (*recordType) {
+        logf (LOG_DEBUG, "Record type explicitly specified: %s", recordType);
+        recType = recType_byName (zh->reg->recTypes, recordType, subType,
+                                  &clientData);
+    } else {
+        if (!(rGroup->recordType)) {
+            logf (LOG_WARN, "No such record type defined");
+            return 0;
+        }
+        logf (LOG_DEBUG, "Get record type from rgroup: %s",rGroup->recordType);
+        recType = recType_byName (zh->reg->recTypes, rGroup->recordType, subType,
+                                  &clientData);
+        recordType = rGroup->recordType;
+    }
+    
+    if (!recType) {
+        logf (LOG_WARN, "No such record type: %s", rGroup->recordType);
+        return 0;
+    }
+    
     extractCtrl.subType = subType;
     extractCtrl.init = extract_init;
     extractCtrl.tokenAdd = extract_token_add;
@@ -988,6 +1047,27 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
        return 1;
     }
     /* match criteria */
+    matchStr = NULL;
+
+    if (! *sysno && match_criteria) {
+        char *rinfo;
+        if (*match_criteria) {
+            matchStr = (char *)match_criteria;
+        } else {
+            if (rGroup->recordId && *rGroup->recordId) {
+                matchStr = fileMatchStr (zh, &zh->reg->keys, rGroup, fname, 
+                                         rGroup->recordId);
+            }
+        }
+        if (matchStr) {
+            rinfo = dict_lookup (zh->reg->matchDict, matchStr);
+            if (rinfo)
+                memcpy (sysno, rinfo+1, sizeof(*sysno));
+        } else {
+            logf (LOG_WARN, "Bad match criteria (recordID)");
+            return 0;
+        }
+    }
 
     if (! *sysno)
     {
@@ -1014,28 +1094,47 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
         }
        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;
+
+       if (!allow_update) {
+             logf (LOG_LOG, "skipped %s %s %ld", 
+                   recordType, fname, (long) recordOffset);
+             logRecord(zh);
+             return -1;
+       }
 
         rec = rec_get (zh->reg->records, *sysno);
         assert (rec);
        
        recordAttr = rec_init_attr (zh->reg->zei, rec);
 
-       if (recordAttr->runNumber ==
-           zebraExplain_runNumberIncrement (zh->reg->zei, 0))
-       {
-           logf (LOG_LOG, "skipped %s %s %ld", recordType,
-                 fname, (long) recordOffset);
-           rec_rm (&rec);
-           return 1;
+       if (!force_update) {
+         if (recordAttr->runNumber ==
+             zebraExplain_runNumberIncrement (zh->reg->zei, 0))
+           {
+             logf (LOG_LOG, "skipped %s %s %ld", recordType,
+                   fname, (long) 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];
-       extract_flushSortKeys (zh, *sysno, 0, &zh->reg->sortKeys);
+
+        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)
         {
@@ -1050,13 +1149,13 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
             {
                logf (LOG_LOG, "delete %s %s %ld", recordType,
                      fname, (long) recordOffset);
-#if 0
+                zh->records_deleted++;
                 if (matchStr)
-                    dict_delete (matchDict, matchStr);
-#endif
+                    dict_delete (zh->reg->matchDict, matchStr);
                 rec_del (zh->reg->records, &rec);
             }
            rec_rm (&rec);
+            logRecord(zh);
             return 1;
         }
         else
@@ -1074,6 +1173,7 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
                      fname, (long) recordOffset);
                 extract_flushSortKeys (zh, *sysno, 1, &zh->reg->sortKeys);
                 extract_flushRecordKeys (zh, *sysno, 1, &zh->reg->keys);
+                zh->records_updated++;
             }
         }
     }
@@ -1089,7 +1189,7 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
 
     /* update delete keys */
     xfree (rec->info[recInfo_delKeys]);
-    if (zh->reg->keys.buf_used > 0 && store_keys == 1)
+    if (zh->reg->keys.buf_used > 0 && rGroup->flagStoreKeys == 1)
     {
         rec->size[recInfo_delKeys] = zh->reg->keys.buf_used;
         rec->info[recInfo_delKeys] = zh->reg->keys.buf;
@@ -1102,6 +1202,14 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
         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);
@@ -1121,7 +1229,7 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
 
     /* update store data */
     xfree (rec->info[recInfo_storeData]);
-    if (store_data == 1)
+    if (rGroup->flagStoreData == 1)
     {
         rec->size[recInfo_storeData] = recordAttr->recordSize;
         rec->info[recInfo_storeData] = (char *)
@@ -1152,17 +1260,19 @@ int extract_rec_in_mem (ZebraHandle zh, const char *recordType,
     /* update database name */
     xfree (rec->info[recInfo_databaseName]);
     rec->info[recInfo_databaseName] =
-        rec_strdup (databaseName, &rec->size[recInfo_databaseName]); 
+        rec_strdup (rGroup->databaseName, &rec->size[recInfo_databaseName]); 
 
     /* update offset */
     recordAttr->recordOffset = recordOffset;
     
     /* commit this record */
     rec_put (zh->reg->records, &rec);
-
+    logRecord(zh);
     return 0;
 }
 
+
+
 int explain_extract (void *handle, Record rec, data1_node *n)
 {
     ZebraHandle zh = (ZebraHandle) handle;
@@ -1193,8 +1303,9 @@ int explain_extract (void *handle, Record rec, data1_node *n)
     extractCtrl.zebra_maps = zh->reg->zebra_maps;
     extractCtrl.flagShowRecords = 0;
     extractCtrl.handle = handle;
-    
-    grs_extract_tree(&extractCtrl, n);
+
+    if (n)
+       grs_extract_tree(&extractCtrl, n);
 
     if (rec->size[recInfo_delKeys])
     {
@@ -1503,22 +1614,18 @@ void extract_add_index_string (RecWord *p, const char *string,
 static void extract_add_sort_string (RecWord *p, const char *string,
                                     int length)
 {
-#if 1
     ZebraHandle zh = p->extractCtrl->handle;
     struct sortKeys *sk = &zh->reg->sortKeys;
-    size_t off = 0;
-    int slen;
+    int off = 0;
 
     while (off < sk->buf_used)
     {
-        int set, use, l;
+        int set, use, slen;
 
-        l = key_SU_decode(&set, sk->buf + off);
-        off += l;
-        l = key_SU_decode(&use, sk->buf + off);
-        off += l;
-        l = key_SU_decode(&slen, sk->buf + off);
-        off += l + 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;
     }
@@ -1536,30 +1643,9 @@ static void extract_add_sort_string (RecWord *p, const char *string,
     }
     off += key_SU_encode(p->attrSet, sk->buf + off);
     off += key_SU_encode(p->attrUse, sk->buf + off);
-    slen = strlen(string);
-    off += key_SU_encode(slen, sk->buf + off);
-    memcpy (sk->buf + off, string, slen);
-    sk->buf_used = off + slen;
-#else
-    struct sortKey *sk;
-    ZebraHandle zh = p->extractCtrl->handle;
-
-
-    for (sk = zh->reg->sortKeys; sk; sk = sk->next)
-       if (sk->attrSet == p->attrSet && sk->attrUse == p->attrUse)
-           return;
-
-    sk = (struct sortKey *) xmalloc (sizeof(*sk));
-    sk->next = zh->reg->sortKeys;
-    zh->reg->sortKeys = sk;
-
-    sk->string = (char *) xmalloc (length);
-    sk->length = length;
-    memcpy (sk->string, string, length);
-
-    sk->attrSet = p->attrSet;
-    sk->attrUse = p->attrUse;
-#endif
+    off += key_SU_encode(length, sk->buf + off);
+    memcpy (sk->buf + off, string, length);
+    sk->buf_used = off + length;
 }
 
 void extract_add_string (RecWord *p, const char *string, int length)
@@ -1665,6 +1751,12 @@ static void extract_add_complete_field (RecWord *p)
 void extract_token_add (RecWord *p)
 {
     WRBUF wrbuf;
+#if 0
+    yaz_log (LOG_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->string, p->length)))
     {
@@ -1687,13 +1779,13 @@ void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno,
                             int cmd, struct sortKeys *sk)
 {
     SortIdx sortIdx = zh->reg->sortIdx;
-    size_t off = 0;
+    int off = 0;
 
     sortIdx_sysno (sortIdx, sysno);
 
     while (off < sk->buf_used)
     {
-        int set, use, slen, l;
+        int set, use, slen;
         
         off += key_SU_decode(&set, sk->buf + off);
         off += key_SU_decode(&use, sk->buf + off);
@@ -1743,6 +1835,7 @@ char *encode_key_int (int d, char *bp)
     }
     return bp;
 }
+#define OLDENCODE 1
 
 #ifdef OLDENCODE
 /* this is the old encode_key_write