git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/schema-map.c

   1 /*
   2  *       Copyright 1999, Dmitry Kovalev <mit@openldap.org>, All rights reserved.
   3  *
   4  *       Redistribution and use in source and binary forms are permitted only
   5  *       as authorized by the OpenLDAP Public License.  A copy of this
   6  *       license is available at http://www.OpenLDAP.org/license.html or
   7  *       in file LICENSE in the top-level directory of the distribution.
   8  */
   9
  10 #include "portable.h"
  11
  12 #ifdef SLAPD_SQL
  13
  14 #include <stdio.h>
  15 #include <sys/types.h>
  16 #include "ac/string.h"
  17 #include "slap.h"
  18 #include "lber_pvt.h"
  19 #include "ldap_pvt.h"
  20 #include "back-sql.h"
  21 #include "sql-wrap.h"
  22 #include "schema-map.h"
  23 #include "util.h"
  24
  25 /*
  26  * Uses the pointer to the ObjectClass structure
  27  */
  28 static int
  29 backsql_cmp_oc( const void *v_m1, const void *v_m2 )
  30 {
  31         const backsql_oc_map_rec *m1 = v_m1, *m2 = v_m2;
  32         return ( m1->oc < m2->oc ? -1 : ( m1->oc > m2->oc ? 1 : 0 ) );
  33 }
  34
  35 static int
  36 backsql_cmp_oc_id( const void *v_m1, const void *v_m2 )
  37 {
  38         const backsql_oc_map_rec *m1 = v_m1, *m2 = v_m2;
  39         return ( m1->id < m2->id ? -1 : ( m1->id > m2->id ? 1 : 0 ) );
  40 }
  41
  42 /*
  43  * Uses the pointer to the AttributeDescription structure
  44  */
  45 static int
  46 backsql_cmp_attr( const void *v_m1, const void *v_m2 )
  47 {
  48         const backsql_at_map_rec *m1 = v_m1, *m2 = v_m2;
  49         return ( m1->ad < m2->ad ? -1 : ( m1->ad > m2->ad ? 1 : 0 ) );
  50 }
  51
  52 static int
  53 backsql_make_attr_query(
  54         backsql_oc_map_rec      *oc_map,
  55         backsql_at_map_rec      *at_map )
  56 {
  57         struct berval   tmps = BER_BVNULL;
  58         ber_len_t       tmpslen = 0;
  59
  60         backsql_strfcat( &tmps, &tmpslen, "lblblblbcbl",
  61                         (ber_len_t)sizeof( "SELECT " ) - 1, "SELECT ",
  62                         &at_map->sel_expr,
  63                         (ber_len_t)sizeof( " AS " ) - 1, " AS ",
  64                         &at_map->ad->ad_cname,
  65                         (ber_len_t)sizeof( " FROM " ) - 1, " FROM ",
  66                         &at_map->from_tbls,
  67                         (ber_len_t)sizeof( " WHERE " ) - 1, " WHERE ",
  68                         &oc_map->keytbl,
  69                         '.',
  70                         &oc_map->keycol,
  71                         (ber_len_t)sizeof( "=?" ) - 1, "=?" );
  72
  73         if ( at_map->join_where.bv_val != NULL ) {
  74                 backsql_strfcat( &tmps, &tmpslen, "lb",
  75                                 (ber_len_t)sizeof( " AND ") - 1, " AND ",
  76                                 &at_map->join_where );
  77         }
  78
  79         at_map->query = tmps.bv_val;
  80
  81         return 0;
  82 }
  83
  84 static int
  85 backsql_add_sysmaps( backsql_oc_map_rec *oc_map )
  86 {
  87         backsql_at_map_rec      *at_map;
  88         char                    s[ 30 ];
  89         ber_len_t               len, slen;
  90
  91
  92         snprintf( s, sizeof( s ), "%ld", oc_map->id );
  93         slen = strlen( s );
  94
  95         at_map = (backsql_at_map_rec *)ch_calloc(1,
  96                         sizeof( backsql_at_map_rec ) );
  97         at_map->ad = slap_schema.si_ad_objectClass;
  98         ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1, &at_map->sel_expr );
  99         ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1,
 100                         &at_map->from_tbls );
 101         len = at_map->from_tbls.bv_len + 1;
 102         backsql_merge_from_clause( &at_map->from_tbls, &len, &oc_map->keytbl );
 103
 104         len = 0;
 105         at_map->join_where.bv_val = NULL;
 106         at_map->join_where.bv_len = 0;
 107         backsql_strfcat( &at_map->join_where, &len, "lbcbll",
 108                         (ber_len_t)sizeof( "ldap_entries.id=ldap_entry_objclasses.entry_id and ldap_entries.keyval=" ) - 1,
 109                                 "ldap_entries.id=ldap_entry_objclasses.entry_id and ldap_entries.keyval=",
 110                         &oc_map->keytbl,
 111                         '.',
 112                         &oc_map->keycol,
 113                         (ber_len_t)sizeof( " and ldap_entries.oc_map_id=" ) - 1,
 114                                 " and ldap_entries.oc_map_id=",
 115                         slen, s );
 116
 117         at_map->add_proc = NULL;
 118         at_map->delete_proc = NULL;
 119         at_map->param_order = 0;
 120         at_map->expect_return = 0;
 121         backsql_make_attr_query( oc_map, at_map );
 122         avl_insert( &oc_map->attrs, at_map, backsql_cmp_attr, NULL );
 123
 124         at_map = (backsql_at_map_rec *)ch_calloc( 1,
 125                         sizeof( backsql_at_map_rec ) );
 126         at_map->ad = slap_schema.si_ad_ref;
 127         ber_str2bv( "ldap_referrals.url", 0, 1, &at_map->sel_expr );
 128         ber_str2bv( "ldap_referrals,ldap_entries", 0, 1, &at_map->from_tbls );
 129         len = at_map->from_tbls.bv_len + 1;
 130         backsql_merge_from_clause( &at_map->from_tbls, &len, &oc_map->keytbl );
 131
 132         len = 0;
 133         at_map->join_where.bv_val = NULL;
 134         at_map->join_where.bv_len = 0;
 135         backsql_strfcat( &at_map->join_where, &len, "lbcbll",
 136                         (ber_len_t)sizeof( "ldap_entries.id=ldap_referrals.entry_id and ldap_entries.keyval=" ) - 1,
 137                                 "ldap_entries.id=ldap_referrals.entry_id and ldap_entries.keyval=",
 138                         &oc_map->keytbl,
 139                         '.',
 140                         &oc_map->keycol,
 141                         (ber_len_t)sizeof( " and ldap_entries.oc_map_id=" ) - 1,
 142                                 " and ldap_entries.oc_map_id=",
 143                         slen, s );
 144
 145         at_map->add_proc = NULL;
 146         at_map->delete_proc = NULL;
 147         at_map->param_order = 0;
 148         at_map->expect_return = 0;
 149         backsql_make_attr_query( oc_map, at_map );
 150         avl_insert( &oc_map->attrs, at_map, backsql_cmp_attr, NULL );
 151
 152         return 1;
 153 }
 154
 155 int
 156 backsql_load_schema_map( backsql_info *si, SQLHDBC dbh )
 157 {
 158         SQLHSTMT                oc_sth, at_sth;
 159         RETCODE                 rc;
 160         BACKSQL_ROW_NTS         oc_row, at_row;
 161         unsigned long           oc_id;
 162         backsql_oc_map_rec      *oc_map;
 163         backsql_at_map_rec      *at_map;
 164
 165         Debug( LDAP_DEBUG_TRACE, "==>load_schema_map()\n", 0, 0, 0 );
 166
 167         /*
 168          * TimesTen : See if the ldap_entries.dn_ru field exists in the schema
 169          */
 170         if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( si ) ) {
 171                 rc = backsql_Prepare( dbh, &oc_sth,
 172                                 backsql_check_dn_ru_query, 0 );
 173                 if ( rc == SQL_SUCCESS ) {
 174                         /* Yes, the field exists */
 175                         si->bsql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
 176                         Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists "
 177                                 "in the schema\n", 0, 0, 0 );
 178                 } else {
 179                         /* No such field exists */
 180                         si->bsql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
 181                 }
 182
 183                 SQLFreeStmt( oc_sth, SQL_DROP );
 184         }
 185
 186
 187         rc = backsql_Prepare( dbh, &oc_sth, si->oc_query, 0 );
 188         if ( rc != SQL_SUCCESS ) {
 189                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 190                         "error preparing oc_query: '%s'\n",
 191                         si->oc_query, 0, 0 );
 192                 backsql_PrintErrors( si->db_env, dbh, oc_sth, rc );
 193                 return LDAP_OTHER;
 194         }
 195         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): at_query '%s'\n",
 196                         si->at_query, 0, 0 );
 197
 198         rc = backsql_Prepare( dbh, &at_sth, si->at_query, 0 );
 199         if ( rc != SQL_SUCCESS ) {
 200                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 201                         "error preparing at_query: '%s'\n",
 202                         si->at_query, 0, 0 );
 203                 backsql_PrintErrors( si->db_env, dbh, at_sth, rc );
 204                 return LDAP_OTHER;
 205         }
 206
 207         rc = backsql_BindParamID( at_sth, 1, &oc_id );
 208         if ( rc != SQL_SUCCESS ) {
 209                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 210                         "error binding param for at_query: \n", 0, 0, 0 );
 211                 backsql_PrintErrors( si->db_env, dbh, at_sth, rc );
 212                 return LDAP_OTHER;
 213         }
 214
 215         rc = SQLExecute( oc_sth );
 216         if ( rc != SQL_SUCCESS ) {
 217                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 218                         "error executing oc_query: \n", 0, 0, 0 );
 219                 backsql_PrintErrors( si->db_env, dbh, oc_sth, rc );
 220                 return LDAP_OTHER;
 221         }
 222
 223         backsql_BindRowAsStrings( oc_sth, &oc_row );
 224         rc = SQLFetch( oc_sth );
 225         for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( oc_sth ) ) {
 226                 int     colnum;
 227
 228                 oc_map = (backsql_oc_map_rec *)ch_calloc( 1,
 229                                 sizeof( backsql_oc_map_rec ) );
 230
 231                 oc_map->id = strtol( oc_row.cols[ 0 ], NULL, 0 );
 232
 233                 oc_map->oc = oc_find( oc_row.cols[ 1 ] );
 234                 if ( oc_map->oc == NULL ) {
 235                         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 236                                 "objectClass '%s' is not defined in schema\n",
 237                                 oc_row.cols[ 1 ], 0, 0 );
 238                         return LDAP_OTHER;      /* undefined objectClass ? */
 239                 }
 240
 241                 ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->keytbl );
 242                 ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->keycol );
 243                 oc_map->create_proc = ( oc_row.value_len[ 4 ] < 0 ) ? NULL
 244                         : ch_strdup( oc_row.cols[ 4 ] );
 245
 246                 colnum = 5;
 247                 if ( BACKSQL_CREATE_NEEDS_SELECT( si ) ) {
 248                         colnum = 6;
 249                         oc_map->create_keyval = ( oc_row.value_len[ 5 ] < 0 )
 250                                 ? NULL : ch_strdup( oc_row.cols[ 5 ] );
 251                 }
 252                 oc_map->delete_proc = ( oc_row.value_len[ colnum ] < 0 ) ? NULL
 253                         : ch_strdup( oc_row.cols[ colnum ] );
 254                 oc_map->expect_return = strtol( oc_row.cols[ colnum + 1 ],
 255                                 NULL, 0 );
 256
 257                 /*
 258                  * FIXME: first attempt to check for offending
 259                  * instructions in {create|delete}_proc
 260                  */
 261
 262                 oc_map->attrs = NULL;
 263                 avl_insert( &si->oc_by_oc, oc_map, backsql_cmp_oc, NULL );
 264                 avl_insert( &si->oc_by_id, oc_map, backsql_cmp_oc_id, NULL );
 265                 oc_id = oc_map->id;
 266                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 267                         "objectClass '%s': keytbl='%s' keycol='%s'\n",
 268                         BACKSQL_OC_NAME( oc_map ),
 269                         oc_map->keytbl.bv_val, oc_map->keycol.bv_val );
 270                 if ( oc_map->create_proc ) {
 271                         Debug( LDAP_DEBUG_TRACE, "create_proc='%s'\n",
 272                                 oc_map->create_proc, 0, 0 );
 273                 }
 274                 if ( oc_map->create_keyval ) {
 275                         Debug( LDAP_DEBUG_TRACE, "create_keyval='%s'\n",
 276                                 oc_map->create_keyval, 0, 0 );
 277                 }
 278                 if ( oc_map->delete_proc ) {
 279                         Debug( LDAP_DEBUG_TRACE, "delete_proc='%s'\n",
 280                                 oc_map->delete_proc, 0, 0 );
 281                 }
 282                 Debug( LDAP_DEBUG_TRACE, "expect_return: "
 283                         "add=%d, del=%d; attributes:\n",
 284                         BACKSQL_IS_ADD( oc_map->expect_return ),
 285                         BACKSQL_IS_DEL( oc_map->expect_return ), 0 );
 286
 287                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 288                         "autoadding 'objectClass' and 'ref' mappings\n",
 289                         0, 0, 0 );
 290                 backsql_add_sysmaps( oc_map );
 291                 rc = SQLExecute( at_sth );
 292                 if ( rc != SQL_SUCCESS ) {
 293                         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 294                                 "error executing at_query: \n", 0, 0, 0 );
 295                         backsql_PrintErrors( SQL_NULL_HENV, dbh, at_sth, rc );
 296                         return LDAP_OTHER;
 297                 }
 298
 299                 backsql_BindRowAsStrings( at_sth, &at_row );
 300                 rc = SQLFetch( at_sth );
 301                 for ( ; BACKSQL_SUCCESS(rc); rc = SQLFetch( at_sth ) ) {
 302                         const char      *text = NULL;
 303                         struct berval   bv;
 304                         ber_len_t       tmpslen;
 305
 306                         Debug( LDAP_DEBUG_TRACE, "********'%s'\n",
 307                                 at_row.cols[ 0 ], 0, 0 );
 308                         Debug( LDAP_DEBUG_TRACE,
 309                                 "name='%s',sel_expr='%s' from='%s'",
 310                                 at_row.cols[ 0 ], at_row.cols[ 1 ],
 311                                 at_row.cols[ 2 ] );
 312                         Debug( LDAP_DEBUG_TRACE,
 313                                 "join_where='%s',add_proc='%s'",
 314                                 at_row.cols[ 3 ], at_row.cols[ 4 ], 0 );
 315                         Debug( LDAP_DEBUG_TRACE, "delete_proc='%s'\n",
 316                                         at_row.cols[ 5 ], 0, 0 );
 317                         /* TimesTen */
 318                         Debug( LDAP_DEBUG_TRACE, "sel_expr_u='%s'\n",
 319                                         at_row.cols[ 8 ], 0, 0 );
 320                         at_map = (backsql_at_map_rec *)ch_calloc( 1,
 321                                         sizeof( backsql_at_map_rec ) );
 322                         rc = slap_str2ad( at_row.cols[ 0 ],
 323                                         &at_map->ad, &text );
 324                         if ( rc != LDAP_SUCCESS ) {
 325                                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 326                                         "attribute '%s' for objectClass '%s' "
 327                                         "is not defined in schema: %s\n",
 328                                         at_row.cols[ 0 ],
 329                                         BACKSQL_OC_NAME( oc_map ), text );
 330                                 return LDAP_CONSTRAINT_VIOLATION;
 331                         }
 332
 333                         ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->sel_expr );
 334                         if ( at_row.value_len[ 8 ] < 0 ) {
 335                                 at_map->sel_expr_u.bv_val = NULL;
 336                                 at_map->sel_expr_u.bv_len = 0;
 337                         } else {
 338                                 ber_str2bv( at_row.cols[ 8 ], 0, 1,
 339                                                 &at_map->sel_expr_u );
 340                         }
 341                         tmpslen = 0;
 342                         ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv );
 343                         backsql_merge_from_clause( &at_map->from_tbls,
 344                                         &tmpslen, &bv );
 345                         if ( at_row.value_len[ 3 ] < 0 ) {
 346                                 at_map->join_where.bv_val = NULL;
 347                                 at_map->join_where.bv_len = 0;
 348                         } else {
 349                                 ber_str2bv( at_row.cols[ 3 ], 0, 1,
 350                                                 &at_map->join_where );
 351                         }
 352                         at_map->add_proc = NULL;
 353                         if ( at_row.value_len[ 4 ] > 0 ) {
 354                                 at_map->add_proc = ch_strdup( at_row.cols[4] );
 355                         }
 356                         at_map->delete_proc = NULL;
 357                         if ( at_row.value_len[ 5 ] > 0 ) {
 358                                 at_map->delete_proc
 359                                         = ch_strdup( at_row.cols[ 5 ] );
 360                         }
 361                         at_map->param_order = strtol( at_row.cols[ 6 ],
 362                                         NULL, 0 );
 363                         at_map->expect_return = strtol( at_row.cols[ 7 ],
 364                                         NULL, 0 );
 365                         backsql_make_attr_query( oc_map, at_map );
 366                         Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 367                                 "preconstructed query '%s'\n",
 368                                 at_map->query, 0, 0 );
 369                         avl_insert( &oc_map->attrs, at_map, backsql_cmp_attr, NULL );
 370                 }
 371                 backsql_FreeRow( &at_row );
 372                 SQLFreeStmt( at_sth, SQL_CLOSE );
 373         }
 374         backsql_FreeRow( &oc_row );
 375         SQLFreeStmt( at_sth, SQL_DROP );
 376         SQLFreeStmt( oc_sth, SQL_DROP );
 377         si->bsql_flags |= BSQLF_SCHEMA_LOADED;
 378         Debug( LDAP_DEBUG_TRACE, "<==load_schema_map()\n", 0, 0, 0 );
 379         return LDAP_SUCCESS;
 380 }
 381
 382 backsql_oc_map_rec *
 383 backsql_oc2oc( backsql_info *si, ObjectClass *oc )
 384 {
 385         backsql_oc_map_rec      tmp, *res;
 386
 387 #ifdef BACKSQL_TRACE
 388         Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): "
 389                 "searching for objectclass with name='%s'\n",
 390                 objclass, 0, 0 );
 391 #endif /* BACKSQL_TRACE */
 392
 393         tmp.oc = oc;
 394         res = (backsql_oc_map_rec *)avl_find( si->oc_by_oc, &tmp, backsql_cmp_oc );
 395 #ifdef BACKSQL_TRACE
 396         if ( res != NULL ) {
 397                 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
 398                         "found name='%s', id=%d\n",
 399                         BACKSQL_OC_NAME( res ), res->id, 0 );
 400         } else {
 401                 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
 402                         "not found\n", 0, 0, 0 );
 403         }
 404 #endif /* BACKSQL_TRACE */
 405
 406         return res;
 407 }
 408
 409 backsql_oc_map_rec *
 410 backsql_name2oc( backsql_info *si, struct berval *oc_name )
 411 {
 412         backsql_oc_map_rec      tmp, *res;
 413
 414 #ifdef BACKSQL_TRACE
 415         Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): "
 416                 "searching for objectclass with name='%s'\n",
 417                 objclass, 0, 0 );
 418 #endif /* BACKSQL_TRACE */
 419
 420         tmp.oc = oc_bvfind( oc_name );
 421         if ( tmp.oc == NULL ) {
 422                 return NULL;
 423         }
 424
 425         res = (backsql_oc_map_rec *)avl_find( si->oc_by_oc, &tmp, backsql_cmp_oc );
 426 #ifdef BACKSQL_TRACE
 427         if ( res != NULL ) {
 428                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 429                         "found name='%s', id=%d\n",
 430                         BACKSQL_OC_NAME( res ), res->id, 0 );
 431         } else {
 432                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 433                         "not found\n", 0, 0, 0 );
 434         }
 435 #endif /* BACKSQL_TRACE */
 436
 437         return res;
 438 }
 439
 440 backsql_oc_map_rec *
 441 backsql_id2oc( backsql_info *si, unsigned long id )
 442 {
 443         backsql_oc_map_rec      tmp, *res;
 444
 445 #ifdef BACKSQL_TRACE
 446         Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): "
 447                 "searching for objectclass with id='%d'\n", id, 0, 0 );
 448 #endif /* BACKSQL_TRACE */
 449
 450         tmp.id = id;
 451         res = (backsql_oc_map_rec *)avl_find( si->oc_by_id, &tmp,
 452                         backsql_cmp_oc_id );
 453
 454 #ifdef BACKSQL_TRACE
 455         if ( res != NULL ) {
 456                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 457                         "found name='%s', id=%d\n",
 458                         BACKSQL_OC_NAME( res ), res->id, 0 );
 459         } else {
 460                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 461                         "not found\n", 0, 0, 0 );
 462         }
 463 #endif /* BACKSQL_TRACE */
 464
 465         return res;
 466 }
 467
 468 backsql_at_map_rec *
 469 backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad )
 470 {
 471         backsql_at_map_rec      tmp, *res;
 472
 473 #ifdef BACKSQL_TRACE
 474         Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): "
 475                 "searching for attribute '%s' for objectclass '%s'\n",
 476                 attr, BACKSQL_OC_NAME( objclass ), 0 );
 477 #endif /* BACKSQL_TRACE */
 478
 479         tmp.ad = ad;
 480         res = (backsql_at_map_rec *)avl_find( objclass->attrs, &tmp,
 481                         backsql_cmp_attr );
 482
 483 #ifdef BACKSQL_TRACE
 484         if ( res != NULL ) {
 485                 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
 486                         "found name='%s', sel_expr='%s'\n",
 487                         res->ad->ad_cname.bv_val, res->sel_expr.bv_val, 0 );
 488         } else {
 489                 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
 490                         "not found\n", 0, 0, 0 );
 491         }
 492 #endif /* BACKSQL_TRACE */
 493
 494         return res;
 495 }
 496
 497 /*
 498  * Deprecated
 499  */
 500 backsql_at_map_rec *
 501 backsql_name2at( backsql_oc_map_rec* objclass, struct berval *attr )
 502 {
 503         backsql_at_map_rec      tmp, *res;
 504         const char              *text = NULL;
 505
 506 #ifdef BACKSQL_TRACE
 507         Debug( LDAP_DEBUG_TRACE, "==>backsql_name2at(): "
 508                 "searching for attribute '%s' for objectclass '%s'\n",
 509                 attr, BACKSQL_OC_NAME( objclass ), 0 );
 510 #endif /* BACKSQL_TRACE */
 511
 512         if ( slap_bv2ad( attr, &tmp.ad, &text ) != LDAP_SUCCESS ) {
 513                 return NULL;
 514         }
 515
 516         res = (backsql_at_map_rec *)avl_find( objclass->attrs, &tmp,
 517                         backsql_cmp_attr );
 518
 519 #ifdef BACKSQL_TRACE
 520         if ( res != NULL ) {
 521                 Debug( LDAP_DEBUG_TRACE, "<==backsql_name2at(): "
 522                         "found name='%s', sel_expr='%s'\n",
 523                         res->name, res->sel_expr.bv_val, 0 );
 524         } else {
 525                 Debug( LDAP_DEBUG_TRACE, "<==backsql_name2at(): "
 526                         "not found\n", 0, 0, 0 );
 527         }
 528 #endif /* BACKSQL_TRACE */
 529
 530         return res;
 531 }
 532
 533 static void
 534 backsql_free_attr( void *v_at )
 535 {
 536         backsql_at_map_rec *at = v_at;
 537         Debug( LDAP_DEBUG_TRACE, "==>free_attr(): '%s'\n",
 538                         at->ad->ad_cname.bv_val, 0, 0 );
 539         ch_free( at->sel_expr.bv_val );
 540         if ( at->from_tbls.bv_val != NULL ) {
 541                 ch_free( at->from_tbls.bv_val );
 542         }
 543         if ( at->join_where.bv_val != NULL ) {
 544                 ch_free( at->join_where.bv_val );
 545         }
 546         if ( at->add_proc != NULL ) {
 547                 ch_free( at->add_proc );
 548         }
 549         if ( at->delete_proc != NULL ) {
 550                 ch_free( at->delete_proc );
 551         }
 552         if ( at->query ) {
 553                 ch_free( at->query );
 554         }
 555
 556         /* TimesTen */
 557         if ( at->sel_expr_u.bv_val ) {
 558                 ch_free( at->sel_expr_u.bv_val );
 559         }
 560
 561         ch_free( at );
 562
 563         Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 );
 564 }
 565
 566 static void
 567 backsql_free_oc( void *v_oc )
 568 {
 569         backsql_oc_map_rec *oc = v_oc;
 570         Debug( LDAP_DEBUG_TRACE, "==>free_oc(): '%s'\n",
 571                         BACKSQL_OC_NAME( oc ), 0, 0 );
 572         avl_free( oc->attrs, backsql_free_attr );
 573         ch_free( oc->keytbl.bv_val );
 574         ch_free( oc->keycol.bv_val );
 575         if ( oc->create_proc != NULL ) {
 576                 ch_free( oc->create_proc );
 577         }
 578         if ( oc->create_keyval != NULL ) {
 579                 ch_free( oc->create_keyval );
 580         }
 581         if ( oc->delete_proc != NULL ) {
 582                 ch_free( oc->delete_proc );
 583         }
 584         ch_free( oc );
 585
 586         Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 );
 587 }
 588
 589 int
 590 backsql_destroy_schema_map( backsql_info *si )
 591 {
 592         Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 );
 593         avl_free( si->oc_by_oc, 0 );
 594         avl_free( si->oc_by_id, backsql_free_oc );
 595         Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 );
 596         return 0;
 597 }
 598
 599 #endif /* SLAPD_SQL */
 600