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

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2013 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * Portions Copyright 2002 Pierangelo Masarati.
   7  * Portions Copyright 2004 Mark Adamson.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by Dmitry Kovalev for inclusion
  20  * by OpenLDAP Software.  Additional significant contributors include
  21  * Pierangelo Masarati and Mark Adamson.
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27 #include <sys/types.h>
  28 #include "ac/string.h"
  29
  30 #include "lutil.h"
  31 #include "slap.h"
  32 #include "proto-sql.h"
  33
  34 #define BACKSQL_DUPLICATE       (-1)
  35
  36 /* NOTE: by default, cannot just compare pointers because
  37  * objectClass/attributeType order would be machine-dependent
  38  * (and tests would fail!); however, if you don't want to run
  39  * tests, or see attributeTypes written in the same order
  40  * they are defined, define */
  41 /* #undef BACKSQL_USE_PTR_CMP */
  42
  43 /*
  44  * Uses the pointer to the ObjectClass structure
  45  */
  46 static int
  47 backsql_cmp_oc( const void *v_m1, const void *v_m2 )
  48 {
  49         const backsql_oc_map_rec        *m1 = v_m1,
  50                                         *m2 = v_m2;
  51
  52 #ifdef BACKSQL_USE_PTR_CMP
  53         return SLAP_PTRCMP( m1->bom_oc, m2->bom_oc );
  54 #else /* ! BACKSQL_USE_PTR_CMP */
  55         return ber_bvcmp( &m1->bom_oc->soc_cname, &m2->bom_oc->soc_cname );
  56 #endif /* ! BACKSQL_USE_PTR_CMP */
  57 }
  58
  59 static int
  60 backsql_cmp_oc_id( const void *v_m1, const void *v_m2 )
  61 {
  62         const backsql_oc_map_rec        *m1 = v_m1,
  63                                         *m2 = v_m2;
  64
  65         return ( m1->bom_id < m2->bom_id ? -1 : ( m1->bom_id > m2->bom_id ? 1 : 0 ) );
  66 }
  67
  68 /*
  69  * Uses the pointer to the AttributeDescription structure
  70  */
  71 static int
  72 backsql_cmp_attr( const void *v_m1, const void *v_m2 )
  73 {
  74         const backsql_at_map_rec        *m1 = v_m1,
  75                                         *m2 = v_m2;
  76
  77         if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
  78 #ifdef BACKSQL_USE_PTR_CMP
  79                 return SLAP_PTRCMP( m1->bam_ad->ad_type, m2->bam_ad->ad_type );
  80 #else /* ! BACKSQL_USE_PTR_CMP */
  81                 return ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname );
  82 #endif /* ! BACKSQL_USE_PTR_CMP */
  83         }
  84
  85 #ifdef BACKSQL_USE_PTR_CMP
  86         return SLAP_PTRCMP( m1->bam_ad, m2->bam_ad );
  87 #else /* ! BACKSQL_USE_PTR_CMP */
  88         return ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname );
  89 #endif /* ! BACKSQL_USE_PTR_CMP */
  90 }
  91
  92 int
  93 backsql_dup_attr( void *v_m1, void *v_m2 )
  94 {
  95         backsql_at_map_rec              *m1 = v_m1,
  96                                         *m2 = v_m2;
  97
  98         if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
  99 #ifdef BACKSQL_USE_PTR_CMP
 100                 assert( m1->bam_ad->ad_type == m2->bam_ad->ad_type );
 101 #else /* ! BACKSQL_USE_PTR_CMP */
 102                 assert( ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname ) == 0 );
 103 #endif /* ! BACKSQL_USE_PTR_CMP */
 104
 105         } else {
 106 #ifdef BACKSQL_USE_PTR_CMP
 107                 assert( m1->bam_ad == m2->bam_ad );
 108 #else /* ! BACKSQL_USE_PTR_CMP */
 109                 assert( ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname ) == 0 );
 110 #endif /* ! BACKSQL_USE_PTR_CMP */
 111         }
 112
 113         /* duplicate definitions of attributeTypes are appended;
 114          * this allows to define multiple rules for the same
 115          * attributeType.  Use with care! */
 116         for ( ; m1->bam_next ; m1 = m1->bam_next );
 117
 118         m1->bam_next = m2;
 119         m2->bam_next = NULL;
 120
 121         return BACKSQL_DUPLICATE;
 122 }
 123
 124 static int
 125 backsql_make_attr_query(
 126         backsql_info            *bi,
 127         backsql_oc_map_rec      *oc_map,
 128         backsql_at_map_rec      *at_map )
 129 {
 130         struct berbuf   bb = BB_NULL;
 131
 132         backsql_strfcat_x( &bb, NULL, "lblbbbblblbcbl",
 133                         (ber_len_t)STRLENOF( "SELECT " ), "SELECT ",
 134                         &at_map->bam_sel_expr,
 135                         (ber_len_t)STRLENOF( " " ), " ",
 136                         &bi->sql_aliasing,
 137                         &bi->sql_aliasing_quote,
 138                         &at_map->bam_ad->ad_cname,
 139                         &bi->sql_aliasing_quote,
 140                         (ber_len_t)STRLENOF( " FROM " ), " FROM ",
 141                         &at_map->bam_from_tbls,
 142                         (ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
 143                         &oc_map->bom_keytbl,
 144                         '.',
 145                         &oc_map->bom_keycol,
 146                         (ber_len_t)STRLENOF( "=?" ), "=?" );
 147
 148         if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
 149                 backsql_strfcat_x( &bb, NULL, "lb",
 150                                 (ber_len_t)STRLENOF( " AND " ), " AND ",
 151                                 &at_map->bam_join_where );
 152         }
 153
 154         backsql_strfcat_x( &bb, NULL, "lbbb",
 155                         (ber_len_t)STRLENOF( " ORDER BY " ), " ORDER BY ",
 156                         &bi->sql_aliasing_quote,
 157                         &at_map->bam_ad->ad_cname,
 158                         &bi->sql_aliasing_quote );
 159
 160         at_map->bam_query = bb.bb_val.bv_val;
 161
 162 #ifdef BACKSQL_COUNTQUERY
 163         /* Query to count how many rows will be returned.
 164
 165         SELECT COUNT(*) FROM <from_tbls> WHERE <keytbl>.<keycol>=?
 166                 [ AND <join_where> ]
 167
 168          */
 169         BER_BVZERO( &bb.bb_val );
 170         bb.bb_len = 0;
 171         backsql_strfcat_x( &bb, NULL, "lblbcbl",
 172                         (ber_len_t)STRLENOF( "SELECT COUNT(*) FROM " ),
 173                                 "SELECT COUNT(*) FROM ",
 174                         &at_map->bam_from_tbls,
 175                         (ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
 176                         &oc_map->bom_keytbl,
 177                         '.',
 178                         &oc_map->bom_keycol,
 179                         (ber_len_t)STRLENOF( "=?" ), "=?" );
 180
 181         if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
 182                 backsql_strfcat_x( &bb, NULL, "lb",
 183                                 (ber_len_t)STRLENOF( " AND " ), " AND ",
 184                                 &at_map->bam_join_where );
 185         }
 186
 187         at_map->bam_countquery = bb.bb_val.bv_val;
 188 #endif /* BACKSQL_COUNTQUERY */
 189
 190         return 0;
 191 }
 192
 193 static int
 194 backsql_add_sysmaps( backsql_info *bi, backsql_oc_map_rec *oc_map )
 195 {
 196         backsql_at_map_rec      *at_map;
 197         char                    s[LDAP_PVT_INTTYPE_CHARS(long)];
 198         struct berval           sbv;
 199         struct berbuf           bb;
 200
 201         sbv.bv_val = s;
 202         sbv.bv_len = snprintf( s, sizeof( s ), BACKSQL_IDNUMFMT, oc_map->bom_id );
 203
 204         /* extra objectClasses */
 205         at_map = (backsql_at_map_rec *)ch_calloc(1,
 206                         sizeof( backsql_at_map_rec ) );
 207         at_map->bam_ad = slap_schema.si_ad_objectClass;
 208         at_map->bam_true_ad = slap_schema.si_ad_objectClass;
 209         ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1,
 210                         &at_map->bam_sel_expr );
 211         ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1,
 212                         &at_map->bam_from_tbls );
 213
 214         bb.bb_len = at_map->bam_from_tbls.bv_len + 1;
 215         bb.bb_val = at_map->bam_from_tbls;
 216         backsql_merge_from_clause( bi, &bb, &oc_map->bom_keytbl );
 217         at_map->bam_from_tbls = bb.bb_val;
 218
 219         BER_BVZERO( &bb.bb_val );
 220         bb.bb_len = 0;
 221         backsql_strfcat_x( &bb, NULL, "lbcblb",
 222                         (ber_len_t)STRLENOF( "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=" ),
 223                                 "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=",
 224                         &oc_map->bom_keytbl,
 225                         '.',
 226                         &oc_map->bom_keycol,
 227                         (ber_len_t)STRLENOF( " and ldap_entries.oc_map_id=" ),
 228                                 " and ldap_entries.oc_map_id=",
 229                         &sbv );
 230         at_map->bam_join_where = bb.bb_val;
 231
 232         at_map->bam_oc = oc_map->bom_oc;
 233
 234         at_map->bam_add_proc = NULL;
 235         {
 236                 char    tmp[STRLENOF("INSERT INTO ldap_entry_objclasses "
 237                         "(entry_id,oc_name) VALUES "
 238                         "((SELECT id FROM ldap_entries "
 239                         "WHERE oc_map_id= "
 240                         "AND keyval=?),?)") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
 241                 snprintf( tmp, sizeof(tmp),
 242                         "INSERT INTO ldap_entry_objclasses "
 243                         "(entry_id,oc_name) VALUES "
 244                         "((SELECT id FROM ldap_entries "
 245                         "WHERE oc_map_id=" BACKSQL_IDNUMFMT " "
 246                         "AND keyval=?),?)", oc_map->bom_id );
 247                 at_map->bam_add_proc = ch_strdup( tmp );
 248         }
 249
 250         at_map->bam_delete_proc = NULL;
 251         {
 252                 char    tmp[STRLENOF("DELETE FROM ldap_entry_objclasses "
 253                         "WHERE entry_id=(SELECT id FROM ldap_entries "
 254                         "WHERE oc_map_id= "
 255                         "AND keyval=?) AND oc_name=?") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
 256                 snprintf( tmp, sizeof(tmp),
 257                         "DELETE FROM ldap_entry_objclasses "
 258                         "WHERE entry_id=(SELECT id FROM ldap_entries "
 259                         "WHERE oc_map_id=" BACKSQL_IDNUMFMT " "
 260                         "AND keyval=?) AND oc_name=?",
 261                         oc_map->bom_id );
 262                 at_map->bam_delete_proc = ch_strdup( tmp );
 263         }
 264
 265         at_map->bam_param_order = 0;
 266         at_map->bam_expect_return = 0;
 267         at_map->bam_next = NULL;
 268
 269         backsql_make_attr_query( bi, oc_map, at_map );
 270         if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
 271                 Debug( LDAP_DEBUG_TRACE, "backsql_add_sysmaps(): "
 272                                 "duplicate attribute \"%s\" in objectClass \"%s\" map\n",
 273                                 at_map->bam_ad->ad_cname.bv_val,
 274                                 oc_map->bom_oc->soc_cname.bv_val, 0 );
 275         }
 276
 277         /* FIXME: we need to correct the objectClass join_where
 278          * after the attribute query is built */
 279         ch_free( at_map->bam_join_where.bv_val );
 280         BER_BVZERO( &bb.bb_val );
 281         bb.bb_len = 0;
 282         backsql_strfcat_x( &bb, NULL, "lbcblb",
 283                         (ber_len_t)STRLENOF( /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=" ),
 284                                 /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=",
 285                         &oc_map->bom_keytbl,
 286                         '.',
 287                         &oc_map->bom_keycol,
 288                         (ber_len_t)STRLENOF( " AND ldap_entries.oc_map_id=" ),
 289                                 " AND ldap_entries.oc_map_id=",
 290                         &sbv );
 291         at_map->bam_join_where = bb.bb_val;
 292
 293         return 1;
 294 }
 295
 296 struct backsql_attr_schema_info {
 297         backsql_info    *bas_bi;
 298         SQLHDBC         bas_dbh;
 299         SQLHSTMT        bas_sth;
 300         backsql_key_t   *bas_oc_id;
 301         int             bas_rc;
 302 };
 303
 304 static int
 305 backsql_oc_get_attr_mapping( void *v_oc, void *v_bas )
 306 {
 307         RETCODE                         rc;
 308         BACKSQL_ROW_NTS                 at_row;
 309         backsql_oc_map_rec              *oc_map = (backsql_oc_map_rec *)v_oc;
 310         backsql_at_map_rec              *at_map;
 311         struct backsql_attr_schema_info *bas = (struct backsql_attr_schema_info *)v_bas;
 312
 313         /* bas->bas_oc_id has been bound to bas->bas_sth */
 314         *bas->bas_oc_id = oc_map->bom_id;
 315
 316         Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
 317                 "executing at_query\n"
 318                 "    \"%s\"\n"
 319                 "    for objectClass \"%s\"\n"
 320                 "    with param oc_id=" BACKSQL_IDNUMFMT "\n",
 321                 bas->bas_bi->sql_at_query,
 322                 BACKSQL_OC_NAME( oc_map ),
 323                 *bas->bas_oc_id );
 324
 325         rc = SQLExecute( bas->bas_sth );
 326         if ( rc != SQL_SUCCESS ) {
 327                 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
 328                         "error executing at_query\n"
 329                         "    \"%s\"\n"
 330                         "    for objectClass \"%s\"\n"
 331                         "    with param oc_id=" BACKSQL_IDNUMFMT "\n",
 332                         bas->bas_bi->sql_at_query,
 333                         BACKSQL_OC_NAME( oc_map ),
 334                         *bas->bas_oc_id );
 335                 backsql_PrintErrors( bas->bas_bi->sql_db_env,
 336                                 bas->bas_dbh, bas->bas_sth, rc );
 337                 bas->bas_rc = LDAP_OTHER;
 338                 return BACKSQL_AVL_STOP;
 339         }
 340
 341         backsql_BindRowAsStrings( bas->bas_sth, &at_row );
 342         for ( ; rc = SQLFetch( bas->bas_sth ), BACKSQL_SUCCESS( rc ); ) {
 343                 const char      *text = NULL;
 344                 struct berval   bv;
 345                 struct berbuf   bb = BB_NULL;
 346                 AttributeDescription *ad = NULL;
 347
 348                 {
 349                         struct {
 350                                 int idx;
 351                                 char *name;
 352                         } required[] = {
 353                                 { 0, "name" },
 354                                 { 1, "sel_expr" },
 355                                 { 2, "from" },
 356                                 { -1, NULL },
 357                         };
 358                         int i;
 359
 360                         for ( i = 0; required[ i ].name != NULL; i++ ) {
 361                                 if ( at_row.value_len[ i ] <= 0 ) {
 362                                         Debug( LDAP_DEBUG_ANY,
 363                                                 "backsql_oc_get_attr_mapping(): "
 364                                                 "required column #%d \"%s\" is empty\n",
 365                                                 required[ i ].idx, required[ i ].name, 0 );
 366                                         bas->bas_rc = LDAP_OTHER;
 367                                         return BACKSQL_AVL_STOP;
 368                                 }
 369                         }
 370                 }
 371
 372                 {
 373                         char            buf[ SLAP_TEXT_BUFLEN ];
 374
 375                         snprintf( buf, sizeof( buf ),
 376                                 "attributeType: "
 377                                 "name=\"%s\" "
 378                                 "sel_expr=\"%s\" "
 379                                 "from=\"%s\" "
 380                                 "join_where=\"%s\" "
 381                                 "add_proc=\"%s\" "
 382                                 "delete_proc=\"%s\" "
 383                                 "sel_expr_u=\"%s\"",
 384                                 at_row.cols[ 0 ],
 385                                 at_row.cols[ 1 ],
 386                                 at_row.cols[ 2 ],
 387                                 at_row.cols[ 3 ] ? at_row.cols[ 3 ] : "",
 388                                 at_row.cols[ 4 ] ? at_row.cols[ 4 ] : "",
 389                                 at_row.cols[ 5 ] ? at_row.cols[ 5 ] : "",
 390                                 at_row.cols[ 8 ] ? at_row.cols[ 8 ] : "");
 391                         Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 );
 392                 }
 393
 394                 rc = slap_str2ad( at_row.cols[ 0 ], &ad, &text );
 395                 if ( rc != LDAP_SUCCESS ) {
 396                         Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
 397                                 "attribute \"%s\" for objectClass \"%s\" "
 398                                 "is not defined in schema: %s\n",
 399                                 at_row.cols[ 0 ],
 400                                 BACKSQL_OC_NAME( oc_map ), text );
 401                         bas->bas_rc = LDAP_CONSTRAINT_VIOLATION;
 402                         return BACKSQL_AVL_STOP;
 403                 }
 404                 at_map = (backsql_at_map_rec *)ch_calloc( 1,
 405                                 sizeof( backsql_at_map_rec ) );
 406                 at_map->bam_ad = ad;
 407                 at_map->bam_true_ad = ad;
 408                 if ( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 409                         && !slap_ad_is_binary( ad ) )
 410                 {
 411                         char            buf[ SLAP_TEXT_BUFLEN ];
 412                         struct berval   bv;
 413                         const char      *text = NULL;
 414
 415                         bv.bv_val = buf;
 416                         bv.bv_len = snprintf( buf, sizeof( buf ), "%s;binary",
 417                                 ad->ad_cname.bv_val );
 418                         at_map->bam_true_ad = NULL;
 419                         bas->bas_rc = slap_bv2ad( &bv, &at_map->bam_true_ad, &text );
 420                         if ( bas->bas_rc != LDAP_SUCCESS ) {
 421                                 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
 422                                         "unable to fetch attribute \"%s\": %s (%d)\n",
 423                                         buf, text, rc );
 424                                 return BACKSQL_AVL_STOP;
 425                         }
 426                 }
 427
 428                 ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->bam_sel_expr );
 429                 if ( at_row.value_len[ 8 ] <= 0 ) {
 430                         BER_BVZERO( &at_map->bam_sel_expr_u );
 431
 432                 } else {
 433                         ber_str2bv( at_row.cols[ 8 ], 0, 1,
 434                                         &at_map->bam_sel_expr_u );
 435                 }
 436
 437                 ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv );
 438                 backsql_merge_from_clause( bas->bas_bi, &bb, &bv );
 439                 at_map->bam_from_tbls = bb.bb_val;
 440                 if ( at_row.value_len[ 3 ] <= 0 ) {
 441                         BER_BVZERO( &at_map->bam_join_where );
 442
 443                 } else {
 444                         ber_str2bv( at_row.cols[ 3 ], 0, 1,
 445                                         &at_map->bam_join_where );
 446                 }
 447                 at_map->bam_add_proc = NULL;
 448                 if ( at_row.value_len[ 4 ] > 0 ) {
 449                         at_map->bam_add_proc = ch_strdup( at_row.cols[ 4 ] );
 450                 }
 451                 at_map->bam_delete_proc = NULL;
 452                 if ( at_row.value_len[ 5 ] > 0 ) {
 453                         at_map->bam_delete_proc = ch_strdup( at_row.cols[ 5 ] );
 454                 }
 455                 if ( lutil_atoix( &at_map->bam_param_order, at_row.cols[ 6 ], 0 ) != 0 ) {
 456                         /* error */
 457                 }
 458                 if ( lutil_atoix( &at_map->bam_expect_return, at_row.cols[ 7 ], 0 ) != 0 ) {
 459                         /* error */
 460                 }
 461                 backsql_make_attr_query( bas->bas_bi, oc_map, at_map );
 462                 Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
 463                         "preconstructed query \"%s\"\n",
 464                         at_map->bam_query, 0, 0 );
 465                 at_map->bam_next = NULL;
 466                 if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
 467                         Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
 468                                         "duplicate attribute \"%s\" "
 469                                         "in objectClass \"%s\" map\n",
 470                                         at_map->bam_ad->ad_cname.bv_val,
 471                                         oc_map->bom_oc->soc_cname.bv_val, 0 );
 472                 }
 473
 474                 if ( !BER_BVISNULL( &bas->bas_bi->sql_upper_func ) &&
 475                                 BER_BVISNULL( &at_map->bam_sel_expr_u ) )
 476                 {
 477                         struct berbuf   bb = BB_NULL;
 478
 479                         backsql_strfcat_x( &bb, NULL, "bcbc",
 480                                         &bas->bas_bi->sql_upper_func,
 481                                         '(' /* ) */ ,
 482                                         &at_map->bam_sel_expr,
 483                                         /* ( */ ')' );
 484                         at_map->bam_sel_expr_u = bb.bb_val;
 485                 }
 486         }
 487         backsql_FreeRow( &at_row );
 488         SQLFreeStmt( bas->bas_sth, SQL_CLOSE );
 489
 490         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(\"%s\"): "
 491                 "autoadding 'objectClass' and 'ref' mappings\n",
 492                 BACKSQL_OC_NAME( oc_map ), 0, 0 );
 493
 494         (void)backsql_add_sysmaps( bas->bas_bi, oc_map );
 495
 496         return BACKSQL_AVL_CONTINUE;
 497 }
 498
 499
 500 int
 501 backsql_load_schema_map( backsql_info *bi, SQLHDBC dbh )
 502 {
 503         SQLHSTMT                        sth = SQL_NULL_HSTMT;
 504         RETCODE                         rc;
 505         BACKSQL_ROW_NTS                 oc_row;
 506         backsql_key_t                   oc_id;
 507         backsql_oc_map_rec              *oc_map;
 508         struct backsql_attr_schema_info bas;
 509
 510         int                             delete_proc_idx = 5;
 511         int                             create_hint_idx = delete_proc_idx + 2;
 512
 513         Debug( LDAP_DEBUG_TRACE, "==>backsql_load_schema_map()\n", 0, 0, 0 );
 514
 515         /*
 516          * TimesTen : See if the ldap_entries.dn_ru field exists in the schema
 517          */
 518         if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( bi ) ) {
 519                 rc = backsql_Prepare( dbh, &sth,
 520                                 backsql_check_dn_ru_query, 0 );
 521                 if ( rc == SQL_SUCCESS ) {
 522                         /* Yes, the field exists */
 523                         bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
 524                         Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists "
 525                                 "in the schema\n", 0, 0, 0 );
 526                 } else {
 527                         /* No such field exists */
 528                         bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
 529                 }
 530
 531                 SQLFreeStmt( sth, SQL_DROP );
 532         }
 533
 534         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): oc_query \"%s\"\n",
 535                         bi->sql_oc_query, 0, 0 );
 536
 537         rc = backsql_Prepare( dbh, &sth, bi->sql_oc_query, 0 );
 538         if ( rc != SQL_SUCCESS ) {
 539                 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 540                         "error preparing oc_query: \"%s\"\n",
 541                         bi->sql_oc_query, 0, 0 );
 542                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 543                 return LDAP_OTHER;
 544         }
 545
 546         rc = SQLExecute( sth );
 547         if ( rc != SQL_SUCCESS ) {
 548                 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 549                         "error executing oc_query: \n", 0, 0, 0 );
 550                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 551                 return LDAP_OTHER;
 552         }
 553
 554         backsql_BindRowAsStrings( sth, &oc_row );
 555         rc = SQLFetch( sth );
 556
 557         if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
 558                 delete_proc_idx++;
 559                 create_hint_idx++;
 560         }
 561
 562         for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
 563                 {
 564                         struct {
 565                                 int idx;
 566                                 char *name;
 567                         } required[] = {
 568                                 { 0, "id" },
 569                                 { 1, "name" },
 570                                 { 2, "keytbl" },
 571                                 { 3, "keycol" },
 572                                 { -1, "expect_return" },
 573                                 { -1, NULL },
 574                         };
 575                         int i;
 576
 577                         required[4].idx = delete_proc_idx + 1;
 578
 579                         for ( i = 0; required[ i ].name != NULL; i++ ) {
 580                                 if ( oc_row.value_len[ required[ i ].idx ] <= 0 ) {
 581                                         Debug( LDAP_DEBUG_ANY,
 582                                                 "backsql_load_schema_map(): "
 583                                                 "required column #%d \"%s\" is empty\n",
 584                                                 required[ i ].idx, required[ i ].name, 0 );
 585                                         return LDAP_OTHER;
 586                                 }
 587                         }
 588                 }
 589
 590                 {
 591                         char            buf[ SLAP_TEXT_BUFLEN ];
 592
 593                         snprintf( buf, sizeof( buf ),
 594                                 "objectClass: "
 595                                 "id=\"%s\" "
 596                                 "name=\"%s\" "
 597                                 "keytbl=\"%s\" "
 598                                 "keycol=\"%s\" "
 599                                 "create_proc=\"%s\" "
 600                                 "create_keyval=\"%s\" "
 601                                 "delete_proc=\"%s\" "
 602                                 "expect_return=\"%s\""
 603                                 "create_hint=\"%s\" ",
 604                                 oc_row.cols[ 0 ],
 605                                 oc_row.cols[ 1 ],
 606                                 oc_row.cols[ 2 ],
 607                                 oc_row.cols[ 3 ],
 608                                 oc_row.cols[ 4 ] ? oc_row.cols[ 4 ] : "",
 609                                 ( BACKSQL_CREATE_NEEDS_SELECT( bi ) && oc_row.cols[ 5 ] ) ? oc_row.cols[ 5 ] : "",
 610                                 oc_row.cols[ delete_proc_idx ] ? oc_row.cols[ delete_proc_idx ] : "",
 611                                 oc_row.cols[ delete_proc_idx + 1 ],
 612                                 ( ( oc_row.ncols > create_hint_idx ) && oc_row.cols[ create_hint_idx ] ) ? oc_row.cols[ create_hint_idx ] : "" );
 613                         Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 );
 614                 }
 615
 616                 oc_map = (backsql_oc_map_rec *)ch_calloc( 1,
 617                                 sizeof( backsql_oc_map_rec ) );
 618
 619                 if ( BACKSQL_STR2ID( &oc_map->bom_id, oc_row.cols[ 0 ], 0 ) != 0 ) {
 620                         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 621                                 "unable to parse id=\"%s\"\n",
 622                                 oc_row.cols[ 0 ], 0, 0 );
 623                         return LDAP_OTHER;
 624                 }
 625
 626                 oc_map->bom_oc = oc_find( oc_row.cols[ 1 ] );
 627                 if ( oc_map->bom_oc == NULL ) {
 628                         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 629                                 "objectClass \"%s\" is not defined in schema\n",
 630                                 oc_row.cols[ 1 ], 0, 0 );
 631                         return LDAP_OTHER;      /* undefined objectClass ? */
 632                 }
 633
 634                 ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->bom_keytbl );
 635                 ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->bom_keycol );
 636                 oc_map->bom_create_proc = ( oc_row.value_len[ 4 ] <= 0 ) ? NULL
 637                         : ch_strdup( oc_row.cols[ 4 ] );
 638
 639                 if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
 640                         oc_map->bom_create_keyval = ( oc_row.value_len[ 5 ] <= 0 )
 641                                 ? NULL : ch_strdup( oc_row.cols[ 5 ] );
 642                 }
 643                 oc_map->bom_delete_proc = ( oc_row.value_len[ delete_proc_idx ] <= 0 ) ? NULL
 644                         : ch_strdup( oc_row.cols[ delete_proc_idx ] );
 645                 if ( lutil_atoix( &oc_map->bom_expect_return, oc_row.cols[ delete_proc_idx + 1 ], 0 ) != 0 ) {
 646                         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 647                                 "unable to parse expect_return=\"%s\" for objectClass \"%s\"\n",
 648                                 oc_row.cols[ delete_proc_idx + 1 ], oc_row.cols[ 1 ], 0 );
 649                         return LDAP_OTHER;
 650                 }
 651
 652                 if ( ( oc_row.ncols > create_hint_idx ) &&
 653                                 ( oc_row.value_len[ create_hint_idx ] > 0 ) )
 654                 {
 655                         const char      *text;
 656
 657                         oc_map->bom_create_hint = NULL;
 658                         rc = slap_str2ad( oc_row.cols[ create_hint_idx ],
 659                                         &oc_map->bom_create_hint, &text );
 660                         if ( rc != SQL_SUCCESS ) {
 661                                 Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
 662                                                 "error matching "
 663                                                 "AttributeDescription %s "
 664                                                 "in create_hint: %s (%d)\n",
 665                                                 oc_row.cols[ create_hint_idx ],
 666                                                 text, rc );
 667                                 backsql_PrintErrors( bi->sql_db_env, dbh,
 668                                                 sth, rc );
 669                                 return LDAP_OTHER;
 670                         }
 671                 }
 672
 673                 /*
 674                  * FIXME: first attempt to check for offending
 675                  * instructions in {create|delete}_proc
 676                  */
 677
 678                 oc_map->bom_attrs = NULL;
 679                 if ( avl_insert( &bi->sql_oc_by_oc, oc_map, backsql_cmp_oc, avl_dup_error ) == -1 ) {
 680                         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 681                                         "duplicate objectClass \"%s\" in objectClass map\n",
 682                                         oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
 683                         return LDAP_OTHER;
 684                 }
 685                 if ( avl_insert( &bi->sql_oc_by_id, oc_map, backsql_cmp_oc_id, avl_dup_error ) == -1 ) {
 686                         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 687                                         "duplicate objectClass \"%s\" in objectClass by ID map\n",
 688                                         oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
 689                         return LDAP_OTHER;
 690                 }
 691                 oc_id = oc_map->bom_id;
 692                 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 693                         "objectClass \"%s\":\n    keytbl=\"%s\" keycol=\"%s\"\n",
 694                         BACKSQL_OC_NAME( oc_map ),
 695                         oc_map->bom_keytbl.bv_val, oc_map->bom_keycol.bv_val );
 696                 if ( oc_map->bom_create_proc ) {
 697                         Debug( LDAP_DEBUG_TRACE, "    create_proc=\"%s\"\n",
 698                                 oc_map->bom_create_proc, 0, 0 );
 699                 }
 700                 if ( oc_map->bom_create_keyval ) {
 701                         Debug( LDAP_DEBUG_TRACE, "    create_keyval=\"%s\"\n",
 702                                 oc_map->bom_create_keyval, 0, 0 );
 703                 }
 704                 if ( oc_map->bom_create_hint ) {
 705                         Debug( LDAP_DEBUG_TRACE, "    create_hint=\"%s\"\n",
 706                                 oc_map->bom_create_hint->ad_cname.bv_val,
 707                                 0, 0 );
 708                 }
 709                 if ( oc_map->bom_delete_proc ) {
 710                         Debug( LDAP_DEBUG_TRACE, "    delete_proc=\"%s\"\n",
 711                                 oc_map->bom_delete_proc, 0, 0 );
 712                 }
 713                 Debug( LDAP_DEBUG_TRACE, "    expect_return: "
 714                         "add=%d, del=%d; attributes:\n",
 715                         BACKSQL_IS_ADD( oc_map->bom_expect_return ),
 716                         BACKSQL_IS_DEL( oc_map->bom_expect_return ), 0 );
 717         }
 718
 719         backsql_FreeRow( &oc_row );
 720         SQLFreeStmt( sth, SQL_DROP );
 721
 722         /* prepare for attribute fetching */
 723         Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): at_query \"%s\"\n",
 724                         bi->sql_at_query, 0, 0 );
 725
 726         rc = backsql_Prepare( dbh, &sth, bi->sql_at_query, 0 );
 727         if ( rc != SQL_SUCCESS ) {
 728                 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 729                         "error preparing at_query: \"%s\"\n",
 730                         bi->sql_at_query, 0, 0 );
 731                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 732                 return LDAP_OTHER;
 733         }
 734
 735         rc = backsql_BindParamNumID( sth, 1, SQL_PARAM_INPUT, &oc_id );
 736         if ( rc != SQL_SUCCESS ) {
 737                 Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
 738                         "error binding param \"oc_id\" for at_query\n", 0, 0, 0 );
 739                 backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
 740                 SQLFreeStmt( sth, SQL_DROP );
 741                 return LDAP_OTHER;
 742         }
 743
 744         bas.bas_bi = bi;
 745         bas.bas_dbh = dbh;
 746         bas.bas_sth = sth;
 747         bas.bas_oc_id = &oc_id;
 748         bas.bas_rc = LDAP_SUCCESS;
 749
 750         (void)avl_apply( bi->sql_oc_by_oc, backsql_oc_get_attr_mapping,
 751                         &bas, BACKSQL_AVL_STOP, AVL_INORDER );
 752
 753         SQLFreeStmt( sth, SQL_DROP );
 754
 755         bi->sql_flags |= BSQLF_SCHEMA_LOADED;
 756
 757         Debug( LDAP_DEBUG_TRACE, "<==backsql_load_schema_map()\n", 0, 0, 0 );
 758
 759         return bas.bas_rc;
 760 }
 761
 762 backsql_oc_map_rec *
 763 backsql_oc2oc( backsql_info *bi, ObjectClass *oc )
 764 {
 765         backsql_oc_map_rec      tmp, *res;
 766
 767 #ifdef BACKSQL_TRACE
 768         Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): "
 769                 "searching for objectclass with name=\"%s\"\n",
 770                 oc->soc_cname.bv_val, 0, 0 );
 771 #endif /* BACKSQL_TRACE */
 772
 773         tmp.bom_oc = oc;
 774         res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
 775 #ifdef BACKSQL_TRACE
 776         if ( res != NULL ) {
 777                 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
 778                         "found name=\"%s\", id=%d\n",
 779                         BACKSQL_OC_NAME( res ), res->bom_id, 0 );
 780         } else {
 781                 Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
 782                         "not found\n", 0, 0, 0 );
 783         }
 784 #endif /* BACKSQL_TRACE */
 785
 786         return res;
 787 }
 788
 789 backsql_oc_map_rec *
 790 backsql_name2oc( backsql_info *bi, struct berval *oc_name )
 791 {
 792         backsql_oc_map_rec      tmp, *res;
 793
 794 #ifdef BACKSQL_TRACE
 795         Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): "
 796                 "searching for objectclass with name=\"%s\"\n",
 797                 oc_name->bv_val, 0, 0 );
 798 #endif /* BACKSQL_TRACE */
 799
 800         tmp.bom_oc = oc_bvfind( oc_name );
 801         if ( tmp.bom_oc == NULL ) {
 802                 return NULL;
 803         }
 804
 805         res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
 806 #ifdef BACKSQL_TRACE
 807         if ( res != NULL ) {
 808                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 809                         "found name=\"%s\", id=%d\n",
 810                         BACKSQL_OC_NAME( res ), res->bom_id, 0 );
 811         } else {
 812                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
 813                         "not found\n", 0, 0, 0 );
 814         }
 815 #endif /* BACKSQL_TRACE */
 816
 817         return res;
 818 }
 819
 820 backsql_oc_map_rec *
 821 backsql_id2oc( backsql_info *bi, unsigned long id )
 822 {
 823         backsql_oc_map_rec      tmp, *res;
 824
 825 #ifdef BACKSQL_TRACE
 826         Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): "
 827                 "searching for objectclass with id=%lu\n", id, 0, 0 );
 828 #endif /* BACKSQL_TRACE */
 829
 830         tmp.bom_id = id;
 831         res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_id, &tmp,
 832                         backsql_cmp_oc_id );
 833
 834 #ifdef BACKSQL_TRACE
 835         if ( res != NULL ) {
 836                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): "
 837                         "found name=\"%s\", id=%lu\n",
 838                         BACKSQL_OC_NAME( res ), res->bom_id, 0 );
 839         } else {
 840                 Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): "
 841                         "id=%lu not found\n", res->bom_id, 0, 0 );
 842         }
 843 #endif /* BACKSQL_TRACE */
 844
 845         return res;
 846 }
 847
 848 backsql_at_map_rec *
 849 backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad )
 850 {
 851         backsql_at_map_rec      tmp = { 0 }, *res;
 852
 853 #ifdef BACKSQL_TRACE
 854         Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): "
 855                 "searching for attribute \"%s\" for objectclass \"%s\"\n",
 856                 ad->ad_cname.bv_val, BACKSQL_OC_NAME( objclass ), 0 );
 857 #endif /* BACKSQL_TRACE */
 858
 859         tmp.bam_ad = ad;
 860         res = (backsql_at_map_rec *)avl_find( objclass->bom_attrs, &tmp,
 861                         backsql_cmp_attr );
 862
 863 #ifdef BACKSQL_TRACE
 864         if ( res != NULL ) {
 865                 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
 866                         "found name=\"%s\", sel_expr=\"%s\"\n",
 867                         res->bam_ad->ad_cname.bv_val,
 868                         res->bam_sel_expr.bv_val, 0 );
 869         } else {
 870                 Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
 871                         "not found\n", 0, 0, 0 );
 872         }
 873 #endif /* BACKSQL_TRACE */
 874
 875         return res;
 876 }
 877
 878 /* attributeType inheritance */
 879 struct supad2at_t {
 880         backsql_at_map_rec      **ret;
 881         AttributeDescription    *ad;
 882         unsigned                n;
 883 };
 884
 885 #define SUPAD2AT_STOP   (-1)
 886
 887 static int
 888 supad2at_f( void *v_at, void *v_arg )
 889 {
 890         backsql_at_map_rec      *at = (backsql_at_map_rec *)v_at;
 891         struct supad2at_t       *va = (struct supad2at_t *)v_arg;
 892
 893         if ( is_at_subtype( at->bam_ad->ad_type, va->ad->ad_type ) ) {
 894                 backsql_at_map_rec      **ret = NULL;
 895                 unsigned                i;
 896
 897                 /* if already listed, holler! (should never happen) */
 898                 if ( va->ret ) {
 899                         for ( i = 0; i < va->n; i++ ) {
 900                                 if ( va->ret[ i ]->bam_ad == at->bam_ad ) {
 901                                         break;
 902                                 }
 903                         }
 904
 905                         if ( i < va->n ) {
 906                                 return 0;
 907                         }
 908                 }
 909
 910                 ret = ch_realloc( va->ret,
 911                                 sizeof( backsql_at_map_rec * ) * ( va->n + 2 ) );
 912                 if ( ret == NULL ) {
 913                         ch_free( va->ret );
 914                         va->ret = NULL;
 915                         va->n = 0;
 916                         return SUPAD2AT_STOP;
 917                 }
 918
 919                 ret[ va->n ] = at;
 920                 va->n++;
 921                 ret[ va->n ] = NULL;
 922                 va->ret = ret;
 923         }
 924
 925         return 0;
 926 }
 927
 928 /*
 929  * stores in *pret a NULL terminated array of pointers
 930  * to backsql_at_map_rec whose attributeType is supad->ad_type
 931  * or derived from it
 932  */
 933 int
 934 backsql_supad2at( backsql_oc_map_rec *objclass, AttributeDescription *supad,
 935                 backsql_at_map_rec ***pret )
 936 {
 937         struct supad2at_t       va = { 0 };
 938         int                     rc;
 939
 940         assert( objclass != NULL );
 941         assert( supad != NULL );
 942         assert( pret != NULL );
 943
 944         *pret = NULL;
 945
 946         va.ad = supad;
 947
 948         rc = avl_apply( objclass->bom_attrs, supad2at_f, &va,
 949                         SUPAD2AT_STOP, AVL_INORDER );
 950         if ( rc == SUPAD2AT_STOP ) {
 951                 return -1;
 952         }
 953
 954         *pret = va.ret;
 955
 956         return 0;
 957 }
 958
 959 static void
 960 backsql_free_attr( void *v_at )
 961 {
 962         backsql_at_map_rec      *at = v_at;
 963
 964         Debug( LDAP_DEBUG_TRACE, "==>free_attr(): \"%s\"\n",
 965                         at->bam_ad->ad_cname.bv_val, 0, 0 );
 966         ch_free( at->bam_sel_expr.bv_val );
 967         if ( !BER_BVISNULL( &at->bam_from_tbls ) ) {
 968                 ch_free( at->bam_from_tbls.bv_val );
 969         }
 970         if ( !BER_BVISNULL( &at->bam_join_where ) ) {
 971                 ch_free( at->bam_join_where.bv_val );
 972         }
 973         if ( at->bam_add_proc != NULL ) {
 974                 ch_free( at->bam_add_proc );
 975         }
 976         if ( at->bam_delete_proc != NULL ) {
 977                 ch_free( at->bam_delete_proc );
 978         }
 979         if ( at->bam_query != NULL ) {
 980                 ch_free( at->bam_query );
 981         }
 982
 983 #ifdef BACKSQL_COUNTQUERY
 984         if ( at->bam_countquery != NULL ) {
 985                 ch_free( at->bam_countquery );
 986         }
 987 #endif /* BACKSQL_COUNTQUERY */
 988
 989         /* TimesTen */
 990         if ( !BER_BVISNULL( &at->bam_sel_expr_u ) ) {
 991                 ch_free( at->bam_sel_expr_u.bv_val );
 992         }
 993
 994         if ( at->bam_next ) {
 995                 backsql_free_attr( at->bam_next );
 996         }
 997
 998         ch_free( at );
 999
1000         Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 );
1001 }
1002
1003 static void
1004 backsql_free_oc( void *v_oc )
1005 {
1006         backsql_oc_map_rec      *oc = v_oc;
1007
1008         Debug( LDAP_DEBUG_TRACE, "==>free_oc(): \"%s\"\n",
1009                         BACKSQL_OC_NAME( oc ), 0, 0 );
1010         avl_free( oc->bom_attrs, backsql_free_attr );
1011         ch_free( oc->bom_keytbl.bv_val );
1012         ch_free( oc->bom_keycol.bv_val );
1013         if ( oc->bom_create_proc != NULL ) {
1014                 ch_free( oc->bom_create_proc );
1015         }
1016         if ( oc->bom_create_keyval != NULL ) {
1017                 ch_free( oc->bom_create_keyval );
1018         }
1019         if ( oc->bom_delete_proc != NULL ) {
1020                 ch_free( oc->bom_delete_proc );
1021         }
1022         ch_free( oc );
1023
1024         Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 );
1025 }
1026
1027 int
1028 backsql_destroy_schema_map( backsql_info *bi )
1029 {
1030         Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 );
1031         avl_free( bi->sql_oc_by_oc, 0 );
1032         avl_free( bi->sql_oc_by_id, backsql_free_oc );
1033         Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 );
1034         return 0;
1035 }
1036