Added support for static ranking. Bug #174. The staticrank is enabled

[idzebra-moved-to-github.git] / index / zebraapi.c

diff --git a/index/zebraapi.c b/index/zebraapi.c
index 37d7399..8a48f7a 100644 (file)
--- a/index/zebraapi.c
+++ b/index/zebraapi.c
@@ -1,4 +1,4 @@
-/* $Id: zebraapi.c,v 1.177 2005-06-13 10:29:20 adam Exp $
+/* $Id: zebraapi.c,v 1.182 2005-08-18 12:50:17 adam Exp $
    Copyright (C) 1995-2005
    Index Data ApS
 
@@ -27,7 +27,8 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include <io.h>
 #include <process.h>
 #include <direct.h>
-#else
+#endif
+#if HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
@@ -125,6 +126,7 @@ ZebraHandle zebra_open (ZebraService zs)
     zh->lock_shadow = 0;
 
     zh->shadow_enable = 1;
+    zh->m_staticrank = 0;
 
     default_encoding = res_get_def(zs->global_res, "encoding", "ISO-8859-1");
 
@@ -171,9 +173,9 @@ ZebraService zebra_start_res (const char *configName, Res def_res, Res over_res)
         log_level = yaz_log_module_level("zebraapi");
         log_level_initialized = 1;
     }
-
-    yaz_log(YLOG_LOG, "zebra_start %s %s",configName, ZEBRAVER);
-    assert(configName);
+    
+    yaz_log(YLOG_LOG, "zebra_start %s %s", ZEBRAVER,
+           configName ? configName : "");
 
     if ((res = res_open (configName, def_res, over_res)))
     {
@@ -181,10 +183,7 @@ ZebraService zebra_start_res (const char *configName, Res def_res, Res over_res)
        const char *passwd_encrypt = 0;
         ZebraService zh = xmalloc(sizeof(*zh));
 
-       yaz_log (YLOG_DEBUG, "Read resources `%s'", configName);
-        
         zh->global_res = res;
-        zh->configName = xstrdup(configName);
         zh->sessions = 0;
         
         zebra_chdir (zh);
@@ -315,6 +314,9 @@ struct zebra_register *zebra_register_open (ZebraService zs, const char *name,
 
     reg->sortKeys.buf = 0;
     reg->sortKeys.buf_max = 0;
+#if NATTR
+    reg->sortKeys.codec_handle = iscz1_start();
+#endif
 
     reg->records = 0;
     reg->dict = 0;
@@ -479,6 +481,10 @@ static void zebra_register_close (ZebraService zs, struct zebra_register *reg)
     xfree(reg->keys.buf);
     if (reg->keys.codec_handle)
        iscz1_stop(reg->keys.codec_handle);
+#if NATTR
+    if (reg->sortKeys.codec_handle)
+       iscz1_stop(reg->sortKeys.codec_handle);
+#endif
     xfree(reg->key_buf);
     xfree(reg->name);
     xfree(reg);
@@ -503,7 +509,6 @@ ZEBRA_RES zebra_stop(ZebraService zs)
     recTypeClass_destroy(zs->record_classes);
     nmem_destroy(zs->nmem);
     res_close (zs->global_res);
-    xfree(zs->configName);
     xfree(zs);
     return ZEBRA_OK;
 }
@@ -695,6 +700,13 @@ static void zebra_select_register (ZebraHandle zh, const char *new_reg)
        if (res_get_int(zh->res, "estimatehits", &approx) == ZEBRA_OK)
            zebra_set_approx_limit(zh, approx);
     }
+    if (zh->res)
+    {
+       if (res_get_int(zh->res, "staticrank", &zh->m_staticrank) == ZEBRA_OK)
+           yaz_log(YLOG_LOG, "static rank set and is %d", zh->m_staticrank);
+       else
+           yaz_log(YLOG_LOG, "static rank unset");
+    }
 }
 
 void map_basenames_func (void *vp, const char *name, const char *value)
@@ -1007,7 +1019,8 @@ ZEBRA_RES zebra_records_retrieve(ZebraHandle zh, ODR stream,
 ZEBRA_RES zebra_scan_PQF(ZebraHandle zh, ODR stream, const char *query,
                         int *position,
                         int *num_entries, ZebraScanEntry **entries,
-                        int *is_partial)
+                        int *is_partial,
+                        const char *setname)
 {
     YAZ_PQF_Parser pqf_parser = yaz_pqf_create ();
     Z_AttributesPlusTerm *zapt;
@@ -1021,7 +1034,8 @@ ZEBRA_RES zebra_scan_PQF(ZebraHandle zh, ODR stream, const char *query,
     }
     else
        res = zebra_scan(zh, stream, zapt, VAL_BIB1,
-                        position, num_entries, entries, is_partial);
+                        position, num_entries, entries, is_partial,
+                        setname);
     yaz_pqf_destroy (pqf_parser);
     return res;
 }
@@ -1030,9 +1044,11 @@ ZEBRA_RES zebra_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
                     oid_value attributeset,
                     int *position,
                     int *num_entries, ZebraScanEntry **entries,
-                    int *is_partial)
+                    int *is_partial,
+                    const char *setname)
 {
     ZEBRA_RES res;
+    RSET limit_rset = 0;
     ASSERTZH;
     assert(stream);
     assert(zapt);
@@ -1048,9 +1064,21 @@ ZEBRA_RES zebra_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
        *num_entries = 0;
        return ZEBRA_FAIL;
     }
+    if (setname)
+    {
+       limit_rset = resultSetRef(zh, setname);
+       if (!limit_rset)
+       {
+           zebra_setError(zh, 
+                          YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
+                          setname);
+           zebra_end_read (zh);
+           return ZEBRA_FAIL;
+       }
+    }
     res = rpn_scan (zh, stream, zapt, attributeset,
                    zh->num_basenames, zh->basenames, position,
-                   num_entries, entries, is_partial, 0, 0);
+                   num_entries, entries, is_partial, limit_rset, 0);
     zebra_end_read (zh);
     return res;
 }
@@ -2012,7 +2040,6 @@ const char *zebra_get_resource(ZebraHandle zh,
     const char *v;
     ASSERTZH;
     assert(name);
-    assert(defaultvalue);
     v = res_get_def (zh->res, name, (char *)defaultvalue);
     zebra_clearError(zh);
     yaz_log(log_level, "zebra_get_resource %s:%s", name, v);