2000-03-17 03:34:46 +08:00
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/*
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2000-05-27 00:03:32 +08:00
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* Copyright 1999, Dmitry Kovalev <mit@openldap.org>, All rights reserved.
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2000-03-17 03:34:46 +08:00
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*
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* Redistribution and use in source and binary forms are permitted only
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* as authorized by the OpenLDAP Public License. A copy of this
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* license is available at http://www.OpenLDAP.org/license.html or
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* in file LICENSE in the top-level directory of the distribution.
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*/
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#include "portable.h"
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2000-03-19 14:18:27 +08:00
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#ifdef SLAPD_SQL
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2000-03-17 03:34:46 +08:00
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#include <stdio.h>
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#include <sys/types.h>
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#include <string.h>
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#include "slap.h"
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#include "back-sql.h"
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#include "sql-wrap.h"
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#include "schema-map.h"
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#include "util.h"
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int backsql_dummy(void *,void *);
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int backsql_cmp_oc_name(backsql_oc_map_rec *m1,backsql_oc_map_rec *m2)
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{
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return strcasecmp(m1->name,m2->name);
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}
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int backsql_cmp_oc_id(backsql_oc_map_rec *m1,backsql_oc_map_rec *m2)
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{
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if (m1->id < m2->id)
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return -1;
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if (m1->id > m2->id)
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return 1;
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return 0;
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}
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int backsql_cmp_attr(backsql_at_map_rec *m1,backsql_at_map_rec *m2)
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{
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return strcasecmp(m1->name,m2->name);
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}
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int backsql_load_schema_map(backsql_info *si,SQLHDBC dbh)
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{
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SQLHSTMT oc_sth,at_sth;
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RETCODE rc;
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BACKSQL_ROW_NTS oc_row,at_row;
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unsigned long oc_id;
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backsql_oc_map_rec *oc_map;
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backsql_at_map_rec *at_map;
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char *tmps;
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int tmpslen;
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Debug(LDAP_DEBUG_TRACE,"==>load_schema_map()\n",0,0,0);
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rc=backsql_Prepare(dbh,&oc_sth,si->oc_query,0);
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if (rc != SQL_SUCCESS)
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{
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Debug(LDAP_DEBUG_TRACE,"load_schema_map(): error preparing oc_query: '%s'\n",si->oc_query,0,0);
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backsql_PrintErrors(si->db_env,dbh,oc_sth,rc);
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return -1;
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}
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rc=backsql_Prepare(dbh,&at_sth,si->at_query,0);
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if (rc != SQL_SUCCESS)
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{
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Debug(LDAP_DEBUG_TRACE,"load_schema_map(): error preparing at_query: '%s'\n",si->at_query,0,0);
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backsql_PrintErrors(si->db_env,dbh,at_sth,rc);
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return -1;
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}
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if ((rc=backsql_BindParamID(at_sth,1,&oc_id)) != SQL_SUCCESS)
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{
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Debug(LDAP_DEBUG_TRACE,"load_schema_map(): error binding param for at_query: \n",0,0,0);
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backsql_PrintErrors(si->db_env,dbh,at_sth,rc);
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return -1;
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}
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if ((rc=SQLExecute(oc_sth)) != SQL_SUCCESS)
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{
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Debug(LDAP_DEBUG_TRACE,"load_schema_map(): error executing oc_query: \n",0,0,0);
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backsql_PrintErrors(si->db_env,dbh,oc_sth,rc);
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return -1;
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}
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backsql_BindRowAsStrings(oc_sth,&oc_row);
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while ((rc=SQLFetch(oc_sth)) == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO)
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{
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oc_map=(backsql_oc_map_rec*)ch_calloc(1,sizeof(backsql_oc_map_rec));
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oc_map->id=atoi(oc_row.cols[0]);
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2000-05-27 00:03:32 +08:00
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oc_map->name=ch_strdup(oc_row.cols[1]);
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oc_map->keytbl=ch_strdup(oc_row.cols[2]);
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oc_map->keycol=ch_strdup(oc_row.cols[3]);
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oc_map->create_proc=(oc_row.is_null[4]<0)?NULL:ch_strdup(oc_row.cols[4]);
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oc_map->delete_proc=(oc_row.is_null[5]<0)?NULL:ch_strdup(oc_row.cols[5]);
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oc_map->expect_return=atoi(oc_row.cols[6]);
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2000-03-17 03:34:46 +08:00
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oc_map->attrs=NULL;
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avl_insert(&si->oc_by_name,oc_map,(AVL_CMP)backsql_cmp_oc_name,backsql_dummy);
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avl_insert(&si->oc_by_id,oc_map,(AVL_CMP)backsql_cmp_oc_id,backsql_dummy);
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oc_id=oc_map->id;
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Debug(LDAP_DEBUG_TRACE,"load_schema_map(): objectclass '%s': keytbl='%s' keycol='%s' ",
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2000-05-27 00:03:32 +08:00
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oc_map->name,oc_map->keytbl,oc_map->keycol);
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Debug(LDAP_DEBUG_TRACE,"create_proc='%s' delete_proc='%s' expect_return=%d; attributes:\n",
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oc_map->create_proc,oc_map->delete_proc,oc_map->expect_return);
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2000-03-17 03:34:46 +08:00
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if ((rc=SQLExecute(at_sth)) != SQL_SUCCESS)
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{
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Debug(LDAP_DEBUG_TRACE,"load_schema_map(): error executing at_query: \n",0,0,0);
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backsql_PrintErrors(SQL_NULL_HENV,dbh,at_sth,rc);
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return -1;
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}
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backsql_BindRowAsStrings(at_sth,&at_row);
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while ((rc=SQLFetch(at_sth)) == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO)
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{
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Debug(LDAP_DEBUG_TRACE,"********'%s'\n",at_row.cols[0],0,0);
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Debug(LDAP_DEBUG_TRACE,"name='%s',sel_expr='%s' from='%s' ",at_row.cols[0],
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at_row.cols[1],at_row.cols[2]);
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Debug(LDAP_DEBUG_TRACE,"join_where='%s',add_proc='%s' modify_proc='%s' ",at_row.cols[3],
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at_row.cols[4],at_row.cols[5]);
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Debug(LDAP_DEBUG_TRACE,"delete_proc='%s'\n",at_row.cols[6],0,0);
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at_map=(backsql_at_map_rec*)ch_calloc(1,sizeof(backsql_at_map_rec));
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2000-05-27 00:03:32 +08:00
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at_map->name=ch_strdup(at_row.cols[0]);
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at_map->sel_expr=ch_strdup(at_row.cols[1]);
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2000-03-17 03:34:46 +08:00
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tmps=NULL;tmpslen=0;
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backsql_merge_from_clause(&tmps,&tmpslen,at_row.cols[2]);
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2000-05-27 00:03:32 +08:00
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at_map->from_tbls=ch_strdup(tmps);
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2000-03-17 03:34:46 +08:00
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ch_free(tmps);
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2000-05-27 00:03:32 +08:00
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at_map->join_where=ch_strdup((at_row.is_null[3]<0)?"":at_row.cols[3]);
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at_map->add_proc=(at_row.is_null[4]<0)?NULL:ch_strdup(at_row.cols[4]);
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at_map->modify_proc=(at_row.is_null[5]<0)?NULL:ch_strdup(at_row.cols[5]);
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at_map->delete_proc=(at_row.is_null[6]<0)?NULL:ch_strdup(at_row.cols[6]);
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at_map->param_order=atoi(at_row.cols[7]);
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at_map->expect_return=atoi(at_row.cols[8]);
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2000-03-17 03:34:46 +08:00
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tmps=NULL;tmpslen=0;
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tmps=backsql_strcat(tmps,&tmpslen,"SELECT ",at_map->sel_expr," AS ",at_map->name,
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" FROM ",at_map->from_tbls,
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" WHERE ",oc_map->keytbl,".",oc_map->keycol,"=?",NULL);
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if (at_map->join_where!=NULL && at_map->join_where[0]!='\0')
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tmps=backsql_strcat(tmps,&tmpslen," AND ",at_map->join_where,NULL);
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2000-05-27 00:03:32 +08:00
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at_map->query=ch_strdup(tmps);
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2000-03-17 03:34:46 +08:00
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ch_free(tmps);
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Debug(LDAP_DEBUG_TRACE,"load_schema_map(): preconstructed query '%s'\n",at_map->query,0,0);
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avl_insert(&oc_map->attrs,at_map,(AVL_CMP)backsql_cmp_attr,backsql_dummy);
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}
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backsql_FreeRow(&at_row);
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SQLFreeStmt(at_sth,SQL_CLOSE);
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}
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backsql_FreeRow(&oc_row);
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SQLFreeStmt(at_sth,SQL_DROP);
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SQLFreeStmt(oc_sth,SQL_DROP);
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si->schema_loaded=1;
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Debug(LDAP_DEBUG_TRACE,"<==load_schema_map()\n",0,0,0);
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return 1;
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}
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backsql_oc_map_rec* backsql_oc_with_name(backsql_info *si,char* objclass)
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{
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backsql_oc_map_rec tmp,*res;
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// Debug(LDAP_DEBUG_TRACE,"==>oc_with_name(): searching for objectclass with name='%s'\n",objclass,0,0);
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tmp.name=objclass;
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res=(backsql_oc_map_rec*)avl_find(si->oc_by_name,&tmp,(AVL_CMP)backsql_cmp_oc_name);
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// if (res!=NULL)
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// Debug(LDAP_DEBUG_TRACE,"<==oc_with_name(): found name='%s', id=%d\n",res->name,res->id,0);
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// else
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// Debug(LDAP_DEBUG_TRACE,"<==oc_with_name(): not found\n",0,0,0);
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return res;
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}
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backsql_oc_map_rec* backsql_oc_with_id(backsql_info *si,unsigned long id)
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{
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backsql_oc_map_rec tmp,*res;
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// Debug(LDAP_DEBUG_TRACE,"==>oc_with_id(): searching for objectclass with id='%d'\n",id,0,0);
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tmp.id=id;
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res=(backsql_oc_map_rec*)avl_find(si->oc_by_id,&tmp,(AVL_CMP)backsql_cmp_oc_id);
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// if (res!=NULL)
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// Debug(LDAP_DEBUG_TRACE,"<==oc_with_name(): found name='%s', id=%d\n",res->name,res->id,0);
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// else
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// Debug(LDAP_DEBUG_TRACE,"<==oc_with_name(): not found\n",0,0,0);
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return res;
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}
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backsql_at_map_rec* backsql_at_with_name(backsql_oc_map_rec* objclass,char* attr)
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{
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backsql_at_map_rec tmp,*res;
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//Debug(LDAP_DEBUG_TRACE,"==>at_with_name(): searching for attribute with name='%s' (for objectclass '%s')\n",
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// attr,objclass->name,0);
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tmp.name=attr;
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res=(backsql_at_map_rec*)avl_find(objclass->attrs,&tmp,(AVL_CMP)backsql_cmp_attr);
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//if (res!=NULL)
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//Debug(LDAP_DEBUG_TRACE,"<==at_with_name(): found name='%s', sel_expr='%s'\n",
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// res->name,res->sel_expr,0);
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//else
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// Debug(LDAP_DEBUG_TRACE,"<==at_with_name(): not found\n",0,0,0);
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return res;
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}
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int backsql_free_attr(backsql_at_map_rec *at)
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{
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Debug(LDAP_DEBUG_TRACE,"==>free_attr(): '%s'\n",at->name,0,0);
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ch_free(at->name);
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ch_free(at->sel_expr);
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if (at->from_tbls!=NULL)
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ch_free(at->from_tbls);
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if (at->join_where!=NULL)
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ch_free(at->join_where);
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if (at->add_proc!=NULL)
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ch_free(at->add_proc);
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if (at->modify_proc!=NULL)
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ch_free(at->modify_proc);
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if (at->delete_proc!=NULL)
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ch_free(at->delete_proc);
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if (at->query)
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ch_free(at->query);
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ch_free(at);
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Debug(LDAP_DEBUG_TRACE,"<==free_attr()\n",0,0,0);
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return 1;
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}
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int backsql_free_oc(backsql_oc_map_rec *oc)
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{
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Debug(LDAP_DEBUG_TRACE,"==>free_oc(): '%s'\n",oc->name,0,0);
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avl_free(oc->attrs,(AVL_FREE)backsql_free_attr);
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ch_free(oc->name);
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ch_free(oc->keytbl);
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ch_free(oc->keycol);
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if (oc->create_proc!=NULL)
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ch_free(oc->create_proc);
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if (oc->delete_proc!=NULL)
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ch_free(oc->delete_proc);
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ch_free(oc);
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Debug(LDAP_DEBUG_TRACE,"<==free_oc()\n",0,0,0);
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return 1;
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}
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int backsql_destroy_schema_map(backsql_info *si)
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{
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Debug(LDAP_DEBUG_TRACE,"==>destroy_schema_map()\n",0,0,0);
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avl_free(si->oc_by_id,(AVL_FREE)backsql_free_oc);
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avl_free(si->oc_by_name,(AVL_FREE)backsql_dummy);
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Debug(LDAP_DEBUG_TRACE,"<==destroy_schema_map()\n",0,0,0);
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return 0;
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}
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2000-03-19 14:18:27 +08:00
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2000-05-27 00:03:32 +08:00
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#endif /* SLAPD_SQL */
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