dlls/msi/sql.y

   1 %{
   2
   3 /*
   4  * Implementation of the Microsoft Installer (msi.dll)
   5  *
   6  * Copyright 2002-2004 Mike McCormack for CodeWeavers
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23
  24 #include "config.h"
  25
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "query.h"
  33 #include "wine/list.h"
  34 #include "wine/debug.h"
  35
  36 #define YYLEX_PARAM info
  37 #define YYPARSE_PARAM info
  38
  39 extern int SQL_error(const char *str);
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  42
  43 typedef struct tag_SQL_input
  44 {
  45     MSIDATABASE *db;
  46     LPCWSTR command;
  47     DWORD n, len;
  48     MSIVIEW **view;  /* view structure for the resulting query */
  49     struct list *mem;
  50 } SQL_input;
  51
  52 static LPWSTR SQL_getstring( void *info, struct sql_str *str );
  53 static INT SQL_getint( void *info );
  54 static int SQL_lex( void *SQL_lval, SQL_input *info );
  55
  56 static void *parser_alloc( void *info, unsigned int sz );
  57 static column_info *parser_alloc_column( void *info, LPCWSTR table, LPCWSTR column );
  58
  59 static BOOL SQL_MarkPrimaryKeys( column_info *cols, column_info *keys);
  60
  61 static struct expr * EXPR_complex( void *info, struct expr *l, UINT op, struct expr *r );
  62 static struct expr * EXPR_column( void *info, column_info *column );
  63 static struct expr * EXPR_ival( void *info, int val );
  64 static struct expr * EXPR_sval( void *info, struct sql_str * );
  65 static struct expr * EXPR_wildcard( void *info );
  66
  67 %}
  68
  69 %pure-parser
  70
  71 %union
  72 {
  73     struct sql_str str;
  74     LPWSTR string;
  75     column_info *column_list;
  76     MSIVIEW *query;
  77     struct expr *expr;
  78     USHORT column_type;
  79     int integer;
  80 }
  81
  82 %token TK_ABORT TK_AFTER TK_AGG_FUNCTION TK_ALL TK_AND TK_AS TK_ASC
  83 %token TK_BEFORE TK_BEGIN TK_BETWEEN TK_BITAND TK_BITNOT TK_BITOR TK_BY
  84 %token TK_CASCADE TK_CASE TK_CHAR TK_CHECK TK_CLUSTER TK_COLLATE TK_COLUMN
  85 %token TK_COMMA TK_COMMENT TK_COMMIT TK_CONCAT TK_CONFLICT
  86 %token TK_CONSTRAINT TK_COPY TK_CREATE
  87 %token TK_DEFAULT TK_DEFERRABLE TK_DEFERRED TK_DELETE TK_DELIMITERS TK_DESC
  88 %token TK_DISTINCT TK_DOT TK_DROP TK_EACH
  89 %token TK_ELSE TK_END TK_END_OF_FILE TK_EQ TK_EXCEPT TK_EXPLAIN
  90 %token TK_FAIL TK_FLOAT TK_FOR TK_FOREIGN TK_FROM TK_FUNCTION
  91 %token TK_GE TK_GLOB TK_GROUP TK_GT
  92 %token TK_HAVING TK_HOLD
  93 %token TK_IGNORE TK_ILLEGAL TK_IMMEDIATE TK_IN TK_INDEX TK_INITIALLY
  94 %token <str> TK_ID
  95 %token TK_INSERT TK_INSTEAD TK_INT
  96 %token <str> TK_INTEGER
  97 %token TK_INTERSECT TK_INTO TK_IS
  98 %token TK_ISNULL
  99 %token TK_JOIN TK_JOIN_KW
 100 %token TK_KEY
 101 %token TK_LE TK_LIKE TK_LIMIT TK_LONG TK_LONGCHAR TK_LP TK_LSHIFT TK_LT
 102 %token TK_LOCALIZABLE
 103 %token TK_MATCH TK_MINUS
 104 %token TK_NE TK_NOT TK_NOTNULL TK_NULL
 105 %token TK_OBJECT TK_OF TK_OFFSET TK_ON TK_OR TK_ORACLE_OUTER_JOIN TK_ORDER
 106 %token TK_PLUS TK_PRAGMA TK_PRIMARY
 107 %token TK_RAISE TK_REFERENCES TK_REM TK_REPLACE TK_RESTRICT TK_ROLLBACK
 108 %token TK_ROW TK_RP TK_RSHIFT
 109 %token TK_SELECT TK_SEMI TK_SET TK_SHORT TK_SLASH TK_SPACE TK_STAR TK_STATEMENT
 110 %token <str> TK_STRING
 111 %token TK_TABLE TK_TEMP TK_THEN TK_TRANSACTION TK_TRIGGER
 112 %token TK_UMINUS TK_UNCLOSED_STRING TK_UNION TK_UNIQUE
 113 %token TK_UPDATE TK_UPLUS TK_USING
 114 %token TK_VACUUM TK_VALUES TK_VIEW
 115 %token TK_WHEN TK_WHERE TK_WILDCARD
 116
 117 /*
 118  * These are extra tokens used by the lexer but never seen by the
 119  * parser.  We put them in a rule so that the parser generator will
 120  * add them to the parse.h output file.
 121  *
 122  */
 123 %nonassoc END_OF_FILE ILLEGAL SPACE UNCLOSED_STRING COMMENT FUNCTION
 124           COLUMN AGG_FUNCTION.
 125
 126 %type <string> table id
 127 %type <column_list> selcollist column column_and_type column_def table_def
 128 %type <column_list> column_assignment update_assign_list constlist
 129 %type <query> query from fromtable selectfrom unorderedsel
 130 %type <query> oneupdate onedelete oneselect onequery onecreate oneinsert
 131 %type <expr> expr val column_val const_val
 132 %type <column_type> column_type data_type data_type_l data_count
 133 %type <integer> number
 134
 135 %%
 136
 137 query:
 138     onequery
 139     {
 140         SQL_input* sql = (SQL_input*) info;
 141         *sql->view = $1;
 142     }
 143     ;
 144
 145 onequery:
 146     oneselect
 147   | onecreate
 148   | oneinsert
 149   | oneupdate
 150   | onedelete
 151     ;
 152
 153 oneinsert:
 154     TK_INSERT TK_INTO table TK_LP selcollist TK_RP TK_VALUES TK_LP constlist TK_RP
 155         {
 156             SQL_input *sql = (SQL_input*) info;
 157             MSIVIEW *insert = NULL;
 158             UINT r;
 159
 160             r = INSERT_CreateView( sql->db, &insert, $3, $5, $9, FALSE );
 161             if( !insert )
 162                 YYABORT;
 163             $$ = insert;
 164         }
 165   | TK_INSERT TK_INTO table TK_LP selcollist TK_RP TK_VALUES TK_LP constlist TK_RP TK_TEMP
 166         {
 167             SQL_input *sql = (SQL_input*) info;
 168             MSIVIEW *insert = NULL;
 169
 170             INSERT_CreateView( sql->db, &insert, $3, $5, $9, TRUE );
 171             if( !insert )
 172                 YYABORT;
 173             $$ = insert;
 174         }
 175     ;
 176
 177 onecreate:
 178     TK_CREATE TK_TABLE table TK_LP table_def TK_RP
 179         {
 180             SQL_input* sql = (SQL_input*) info;
 181             MSIVIEW *create = NULL;
 182
 183             if( !$5 )
 184                 YYABORT;
 185             CREATE_CreateView( sql->db, &create, $3, $5, FALSE );
 186             if( !create )
 187                 YYABORT;
 188             $$ = create;
 189         }
 190   | TK_CREATE TK_TABLE table TK_LP table_def TK_RP TK_HOLD
 191         {
 192             SQL_input* sql = (SQL_input*) info;
 193             MSIVIEW *create = NULL;
 194
 195             if( !$5 )
 196                 YYABORT;
 197             CREATE_CreateView( sql->db, &create, $3, $5, TRUE );
 198             if( !create )
 199                 YYABORT;
 200             $$ = create;
 201         }
 202     ;
 203
 204 oneupdate:
 205     TK_UPDATE table TK_SET update_assign_list TK_WHERE expr
 206         {
 207             SQL_input* sql = (SQL_input*) info;
 208             MSIVIEW *update = NULL;
 209
 210             UPDATE_CreateView( sql->db, &update, $2, $4, $6 );
 211             if( !update )
 212                 YYABORT;
 213             $$ = update;
 214         }
 215     ;
 216
 217 onedelete:
 218     TK_DELETE from
 219         {
 220             SQL_input* sql = (SQL_input*) info;
 221             MSIVIEW *delete = NULL;
 222
 223             DELETE_CreateView( sql->db, &delete, $2 );
 224             if( !delete )
 225                 YYABORT;
 226             $$ = delete;
 227         }
 228     ;
 229
 230 table_def:
 231     column_def TK_PRIMARY TK_KEY selcollist
 232         {
 233             if( SQL_MarkPrimaryKeys( $1, $4 ) )
 234                 $$ = $1;
 235             else
 236                 $$ = NULL;
 237         }
 238     ;
 239
 240 column_def:
 241     column_def TK_COMMA column_and_type
 242         {
 243             column_info *ci;
 244
 245             for( ci = $1; ci->next; ci = ci->next )
 246                 ;
 247
 248             ci->next = $3;
 249             $$ = $1;
 250         }
 251   | column_and_type
 252         {
 253             $$ = $1;
 254         }
 255     ;
 256
 257 column_and_type:
 258     column column_type
 259         {
 260             $$ = $1;
 261             $$->type = $2;
 262         }
 263     ;
 264
 265 column_type:
 266     data_type_l
 267         {
 268             $$ = $1 | MSITYPE_VALID;
 269         }
 270   | data_type_l TK_LOCALIZABLE
 271         {
 272             FIXME("LOCALIZABLE ignored\n");
 273             $$ = $1 | MSITYPE_VALID;
 274         }
 275     ;
 276
 277 data_type_l:
 278     data_type
 279         {
 280             $$ |= MSITYPE_NULLABLE;
 281         }
 282   | data_type TK_NOT TK_NULL
 283         {
 284             $$ = $1;
 285         }
 286     ;
 287
 288 data_type:
 289     TK_CHAR
 290         {
 291             $$ = MSITYPE_STRING | 1;
 292         }
 293   | TK_CHAR TK_LP data_count TK_RP
 294         {
 295             $$ = MSITYPE_STRING | 0x400 | $3;
 296         }
 297   | TK_LONGCHAR
 298         {
 299             $$ = 2;
 300         }
 301   | TK_SHORT
 302         {
 303             $$ = 2;
 304         }
 305   | TK_INT
 306         {
 307             $$ = 2;
 308         }
 309   | TK_LONG
 310         {
 311             $$ = 4;
 312         }
 313   | TK_OBJECT
 314         {
 315             $$ = 0;
 316         }
 317     ;
 318
 319 data_count:
 320     number
 321         {
 322             if( ( $1 > 255 ) || ( $1 < 0 ) )
 323                 YYABORT;
 324             $$ = $1;
 325         }
 326     ;
 327
 328 oneselect:
 329     unorderedsel TK_ORDER TK_BY selcollist
 330         {
 331             SQL_input* sql = (SQL_input*) info;
 332
 333             $$ = NULL;
 334             if( $4 )
 335                 ORDER_CreateView( sql->db, &$$, $1, $4 );
 336             else
 337                 $$ = $1;
 338             if( !$$ )
 339                 YYABORT;
 340         }
 341   | unorderedsel
 342     ;
 343
 344 unorderedsel:
 345     TK_SELECT selectfrom
 346         {
 347             $$ = $2;
 348         }
 349   | TK_SELECT TK_DISTINCT selectfrom
 350         {
 351             SQL_input* sql = (SQL_input*) info;
 352
 353             $$ = NULL;
 354             DISTINCT_CreateView( sql->db, &$$, $3 );
 355             if( !$$ )
 356                 YYABORT;
 357         }
 358     ;
 359
 360 selectfrom:
 361     selcollist from
 362         {
 363             SQL_input* sql = (SQL_input*) info;
 364
 365             $$ = NULL;
 366             if( $1 )
 367                 SELECT_CreateView( sql->db, &$$, $2, $1 );
 368             else
 369                 $$ = $2;
 370
 371             if( !$$ )
 372                 YYABORT;
 373         }
 374     ;
 375
 376 selcollist:
 377     column
 378   | column TK_COMMA selcollist
 379         {
 380             $1->next = $3;
 381         }
 382   | TK_STAR
 383         {
 384             $$ = NULL;
 385         }
 386     ;
 387
 388 from:
 389     fromtable
 390   | fromtable TK_WHERE expr
 391         {
 392             SQL_input* sql = (SQL_input*) info;
 393             UINT r;
 394
 395             $$ = NULL;
 396             r = WHERE_CreateView( sql->db, &$$, $1, $3 );
 397             if( r != ERROR_SUCCESS || !$$ )
 398                 YYABORT;
 399         }
 400     ;
 401
 402 fromtable:
 403     TK_FROM table
 404         {
 405             SQL_input* sql = (SQL_input*) info;
 406             UINT r;
 407
 408             $$ = NULL;
 409             r = TABLE_CreateView( sql->db, $2, &$$ );
 410             if( r != ERROR_SUCCESS || !$$ )
 411                 YYABORT;
 412         }
 413     ;
 414
 415 expr:
 416     TK_LP expr TK_RP
 417         {
 418             $$ = $2;
 419             if( !$$ )
 420                 YYABORT;
 421         }
 422   | column_val TK_EQ column_val
 423         {
 424             $$ = EXPR_complex( info, $1, OP_EQ, $3 );
 425             if( !$$ )
 426                 YYABORT;
 427         }
 428   | expr TK_AND expr
 429         {
 430             $$ = EXPR_complex( info, $1, OP_AND, $3 );
 431             if( !$$ )
 432                 YYABORT;
 433         }
 434   | expr TK_OR expr
 435         {
 436             $$ = EXPR_complex( info, $1, OP_OR, $3 );
 437             if( !$$ )
 438                 YYABORT;
 439         }
 440   | column_val TK_EQ val
 441         {
 442             $$ = EXPR_complex( info, $1, OP_EQ, $3 );
 443             if( !$$ )
 444                 YYABORT;
 445         }
 446   | column_val TK_GT val
 447         {
 448             $$ = EXPR_complex( info, $1, OP_GT, $3 );
 449             if( !$$ )
 450                 YYABORT;
 451         }
 452   | column_val TK_LT val
 453         {
 454             $$ = EXPR_complex( info, $1, OP_LT, $3 );
 455             if( !$$ )
 456                 YYABORT;
 457         }
 458   | column_val TK_LE val
 459         {
 460             $$ = EXPR_complex( info, $1, OP_LE, $3 );
 461             if( !$$ )
 462                 YYABORT;
 463         }
 464   | column_val TK_GE val
 465         {
 466             $$ = EXPR_complex( info, $1, OP_GE, $3 );
 467             if( !$$ )
 468                 YYABORT;
 469         }
 470   | column_val TK_NE val
 471         {
 472             $$ = EXPR_complex( info, $1, OP_NE, $3 );
 473             if( !$$ )
 474                 YYABORT;
 475         }
 476   | column_val TK_IS TK_NULL
 477         {
 478             $$ = EXPR_complex( info, $1, OP_ISNULL, NULL );
 479             if( !$$ )
 480                 YYABORT;
 481         }
 482   | column_val TK_IS TK_NOT TK_NULL
 483         {
 484             $$ = EXPR_complex( info, $1, OP_NOTNULL, NULL );
 485             if( !$$ )
 486                 YYABORT;
 487         }
 488     ;
 489
 490 val:
 491     column_val
 492   | const_val
 493     ;
 494
 495 constlist:
 496     const_val
 497         {
 498             $$ = parser_alloc_column( info, NULL, NULL );
 499             if( !$$ )
 500                 YYABORT;
 501             $$->val = $1;
 502         }
 503   | const_val TK_COMMA constlist
 504         {
 505             $$ = parser_alloc_column( info, NULL, NULL );
 506             if( !$$ )
 507                 YYABORT;
 508             $$->val = $1;
 509             $$->next = $3;
 510         }
 511     ;
 512
 513 update_assign_list:
 514     column_assignment
 515   | column_assignment TK_COMMA update_assign_list
 516         {
 517             $$ = $1;
 518             $$->next = $3;
 519         }
 520     ;
 521
 522 column_assignment:
 523     column TK_EQ const_val
 524         {
 525             $$ = $1;
 526             $$->val = $3;
 527         }
 528     ;
 529
 530 const_val:
 531     number
 532         {
 533             $$ = EXPR_ival( info, $1 );
 534             if( !$$ )
 535                 YYABORT;
 536         }
 537   | TK_MINUS number
 538         {
 539             $$ = EXPR_ival( info, -$2 );
 540             if( !$$ )
 541                 YYABORT;
 542         }
 543   | TK_STRING
 544         {
 545             $$ = EXPR_sval( info, &$1 );
 546             if( !$$ )
 547                 YYABORT;
 548         }
 549   | TK_WILDCARD
 550         {
 551             $$ = EXPR_wildcard( info );
 552             if( !$$ )
 553                 YYABORT;
 554         }
 555     ;
 556
 557 column_val:
 558     column
 559         {
 560             $$ = EXPR_column( info, $1 );
 561             if( !$$ )
 562                 YYABORT;
 563         }
 564     ;
 565
 566 column:
 567     table TK_DOT id
 568         {
 569             $$ = parser_alloc_column( info, $1, $3 );
 570             if( !$$ )
 571                 YYABORT;
 572         }
 573   | id
 574         {
 575             $$ = parser_alloc_column( info, NULL, $1 );
 576             if( !$$ )
 577                 YYABORT;
 578         }
 579     ;
 580
 581 table:
 582     id
 583         {
 584             $$ = $1;
 585         }
 586     ;
 587
 588 id:
 589     TK_ID
 590         {
 591             $$ = SQL_getstring( info, &$1 );
 592             if( !$$ )
 593                 YYABORT;
 594         }
 595     ;
 596
 597 number:
 598     TK_INTEGER
 599         {
 600             $$ = SQL_getint( info );
 601         }
 602     ;
 603
 604 %%
 605
 606 static void *parser_alloc( void *info, unsigned int sz )
 607 {
 608     SQL_input* sql = (SQL_input*) info;
 609     struct list *mem;
 610
 611     mem = HeapAlloc( GetProcessHeap(), 0, sizeof (struct list) + sz );
 612     list_add_tail( sql->mem, mem );
 613     return &mem[1];
 614 }
 615
 616 static column_info *parser_alloc_column( void *info, LPCWSTR table, LPCWSTR column )
 617 {
 618     column_info *col;
 619
 620     col = parser_alloc( info, sizeof (*col) );
 621     if( col )
 622     {
 623         col->table = table;
 624         col->column = column;
 625         col->val = NULL;
 626         col->type = 0;
 627         col->next = NULL;
 628     }
 629
 630     return col;
 631 }
 632
 633 int SQL_lex( void *SQL_lval, SQL_input *sql )
 634 {
 635     int token;
 636     struct sql_str * str = SQL_lval;
 637
 638     do
 639     {
 640         sql->n += sql->len;
 641         if( ! sql->command[sql->n] )
 642             return 0;  /* end of input */
 643
 644         TRACE("string : %s\n", debugstr_w(&sql->command[sql->n]));
 645         sql->len = sqliteGetToken( &sql->command[sql->n], &token );
 646         if( sql->len==0 )
 647             break;
 648         str->data = &sql->command[sql->n];
 649         str->len = sql->len;
 650     }
 651     while( token == TK_SPACE );
 652
 653     TRACE("token : %d (%s)\n", token, debugstr_wn(&sql->command[sql->n], sql->len));
 654
 655     return token;
 656 }
 657
 658 LPWSTR SQL_getstring( void *info, struct sql_str *strdata )
 659 {
 660     LPCWSTR p = strdata->data;
 661     UINT len = strdata->len;
 662     LPWSTR str;
 663
 664     /* if there's quotes, remove them */
 665     if( ( (p[0]=='`') && (p[len-1]=='`') ) ||
 666         ( (p[0]=='\'') && (p[len-1]=='\'') ) )
 667     {
 668         p++;
 669         len -= 2;
 670     }
 671     str = parser_alloc( info, (len + 1)*sizeof(WCHAR) );
 672     if( !str )
 673         return str;
 674     memcpy( str, p, len*sizeof(WCHAR) );
 675     str[len]=0;
 676
 677     return str;
 678 }
 679
 680 INT SQL_getint( void *info )
 681 {
 682     SQL_input* sql = (SQL_input*) info;
 683     LPCWSTR p = &sql->command[sql->n];
 684     INT i, r = 0;
 685
 686     for( i=0; i<sql->len; i++ )
 687     {
 688         if( '0' > p[i] || '9' < p[i] )
 689         {
 690             ERR("should only be numbers here!\n");
 691             break;
 692         }
 693         r = (p[i]-'0') + r*10;
 694     }
 695
 696     return r;
 697 }
 698
 699 int SQL_error( const char *str )
 700 {
 701     return 0;
 702 }
 703
 704 static struct expr * EXPR_wildcard( void *info )
 705 {
 706     struct expr *e = parser_alloc( info, sizeof *e );
 707     if( e )
 708     {
 709         e->type = EXPR_WILDCARD;
 710     }
 711     return e;
 712 }
 713
 714 static struct expr * EXPR_complex( void *info, struct expr *l, UINT op, struct expr *r )
 715 {
 716     struct expr *e = parser_alloc( info, sizeof *e );
 717     if( e )
 718     {
 719         e->type = EXPR_COMPLEX;
 720         e->u.expr.left = l;
 721         e->u.expr.op = op;
 722         e->u.expr.right = r;
 723     }
 724     return e;
 725 }
 726
 727 static struct expr * EXPR_column( void *info, column_info *column )
 728 {
 729     struct expr *e = parser_alloc( info, sizeof *e );
 730     if( e )
 731     {
 732         e->type = EXPR_COLUMN;
 733         e->u.sval = column->column;
 734     }
 735     return e;
 736 }
 737
 738 static struct expr * EXPR_ival( void *info, int val )
 739 {
 740     struct expr *e = parser_alloc( info, sizeof *e );
 741     if( e )
 742     {
 743         e->type = EXPR_IVAL;
 744         e->u.ival = val;
 745     }
 746     return e;
 747 }
 748
 749 static struct expr * EXPR_sval( void *info, struct sql_str *str )
 750 {
 751     struct expr *e = parser_alloc( info, sizeof *e );
 752     if( e )
 753     {
 754         e->type = EXPR_SVAL;
 755         e->u.sval = SQL_getstring( info, str );
 756     }
 757     return e;
 758 }
 759
 760 static BOOL SQL_MarkPrimaryKeys( column_info *cols,
 761                                  column_info *keys )
 762 {
 763     column_info *k;
 764     BOOL found = TRUE;
 765
 766     for( k = keys; k && found; k = k->next )
 767     {
 768         column_info *c;
 769
 770         found = FALSE;
 771         for( c = cols; c && !found; c = c->next )
 772         {
 773              if( lstrcmpW( k->column, c->column ) )
 774                  continue;
 775              c->type |= MSITYPE_KEY;
 776              found = TRUE;
 777         }
 778     }
 779
 780     return found;
 781 }
 782
 783 UINT MSI_ParseSQL( MSIDATABASE *db, LPCWSTR command, MSIVIEW **phview,
 784                    struct list *mem )
 785 {
 786     SQL_input sql;
 787     int r;
 788
 789     *phview = NULL;
 790
 791     sql.db = db;
 792     sql.command = command;
 793     sql.n = 0;
 794     sql.len = 0;
 795     sql.view = phview;
 796     sql.mem = mem;
 797
 798     r = SQL_parse(&sql);
 799
 800     TRACE("Parse returned %d\n", r);
 801     if( r )
 802     {
 803         if( *sql.view )
 804             (*sql.view)->ops->delete( *sql.view );
 805         *sql.view = NULL;
 806         return ERROR_BAD_QUERY_SYNTAX;
 807     }
 808
 809     return ERROR_SUCCESS;
 810 }