dlls/msi/msiquery.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2002-2005 Mike McCormack for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winerror.h"
  28 #include "wine/debug.h"
  29 #include "wine/unicode.h"
  30 #include "msi.h"
  31 #include "msiquery.h"
  32 #include "objbase.h"
  33 #include "objidl.h"
  34 #include "msipriv.h"
  35 #include "winnls.h"
  36
  37 #include "query.h"
  38 #include "msiserver.h"
  39
  40 #include "initguid.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  43
  44 static void MSI_CloseView( MSIOBJECTHDR *arg )
  45 {
  46     MSIQUERY *query = (MSIQUERY*) arg;
  47     struct list *ptr, *t;
  48
  49     if( query->view && query->view->ops->delete )
  50         query->view->ops->delete( query->view );
  51     msiobj_release( &query->db->hdr );
  52
  53     LIST_FOR_EACH_SAFE( ptr, t, &query->mem )
  54     {
  55         msi_free( ptr );
  56     }
  57 }
  58
  59 UINT VIEW_find_column( MSIVIEW *table, LPCWSTR name, UINT *n )
  60 {
  61     LPWSTR col_name;
  62     UINT i, count, r;
  63
  64     r = table->ops->get_dimensions( table, NULL, &count );
  65     if( r != ERROR_SUCCESS )
  66         return r;
  67
  68     for( i=1; i<=count; i++ )
  69     {
  70         INT x;
  71
  72         col_name = NULL;
  73         r = table->ops->get_column_info( table, i, &col_name, NULL, NULL );
  74         if( r != ERROR_SUCCESS )
  75             return r;
  76         x = lstrcmpW( name, col_name );
  77         msi_free( col_name );
  78         if( !x )
  79         {
  80             *n = i;
  81             return ERROR_SUCCESS;
  82         }
  83     }
  84
  85     return ERROR_INVALID_PARAMETER;
  86 }
  87
  88 UINT WINAPI MsiDatabaseOpenViewA(MSIHANDLE hdb,
  89               LPCSTR szQuery, MSIHANDLE *phView)
  90 {
  91     UINT r;
  92     LPWSTR szwQuery;
  93
  94     TRACE("%d %s %p\n", hdb, debugstr_a(szQuery), phView);
  95
  96     if( szQuery )
  97     {
  98         szwQuery = strdupAtoW( szQuery );
  99         if( !szwQuery )
 100             return ERROR_FUNCTION_FAILED;
 101     }
 102     else
 103         szwQuery = NULL;
 104
 105     r = MsiDatabaseOpenViewW( hdb, szwQuery, phView);
 106
 107     msi_free( szwQuery );
 108     return r;
 109 }
 110
 111 UINT MSI_DatabaseOpenViewW(MSIDATABASE *db,
 112               LPCWSTR szQuery, MSIQUERY **pView)
 113 {
 114     MSIQUERY *query;
 115     UINT r;
 116
 117     TRACE("%s %p\n", debugstr_w(szQuery), pView);
 118
 119     if( !szQuery)
 120         return ERROR_INVALID_PARAMETER;
 121
 122     /* pre allocate a handle to hold a pointer to the view */
 123     query = alloc_msiobject( MSIHANDLETYPE_VIEW, sizeof (MSIQUERY),
 124                               MSI_CloseView );
 125     if( !query )
 126         return ERROR_FUNCTION_FAILED;
 127
 128     msiobj_addref( &db->hdr );
 129     query->row = 0;
 130     query->db = db;
 131     query->view = NULL;
 132     list_init( &query->mem );
 133
 134     r = MSI_ParseSQL( db, szQuery, &query->view, &query->mem );
 135     if( r == ERROR_SUCCESS )
 136     {
 137         msiobj_addref( &query->hdr );
 138         *pView = query;
 139     }
 140
 141     msiobj_release( &query->hdr );
 142     return r;
 143 }
 144
 145 UINT MSI_OpenQuery( MSIDATABASE *db, MSIQUERY **view, LPCWSTR fmt, ... )
 146 {
 147     UINT r;
 148     int size = 100, res;
 149     LPWSTR query;
 150
 151     /* construct the string */
 152     for (;;)
 153     {
 154         va_list va;
 155         query = msi_alloc( size*sizeof(WCHAR) );
 156         va_start(va, fmt);
 157         res = vsnprintfW(query, size, fmt, va);
 158         va_end(va);
 159         if (res == -1) size *= 2;
 160         else if (res >= size) size = res + 1;
 161         else break;
 162         msi_free( query );
 163     }
 164     /* perform the query */
 165     r = MSI_DatabaseOpenViewW(db, query, view);
 166     msi_free(query);
 167     return r;
 168 }
 169
 170 UINT MSI_IterateRecords( MSIQUERY *view, LPDWORD count,
 171                          record_func func, LPVOID param )
 172 {
 173     MSIRECORD *rec = NULL;
 174     UINT r, n = 0, max = 0;
 175
 176     r = MSI_ViewExecute( view, NULL );
 177     if( r != ERROR_SUCCESS )
 178         return r;
 179
 180     if( count )
 181         max = *count;
 182
 183     /* iterate a query */
 184     for( n = 0; (max == 0) || (n < max); n++ )
 185     {
 186         r = MSI_ViewFetch( view, &rec );
 187         if( r != ERROR_SUCCESS )
 188             break;
 189         if (func)
 190             r = func( rec, param );
 191         msiobj_release( &rec->hdr );
 192         if( r != ERROR_SUCCESS )
 193             break;
 194     }
 195
 196     MSI_ViewClose( view );
 197
 198     if( count )
 199         *count = n;
 200
 201     if( r == ERROR_NO_MORE_ITEMS )
 202         r = ERROR_SUCCESS;
 203
 204     return r;
 205 }
 206
 207 /* return a single record from a query */
 208 MSIRECORD *MSI_QueryGetRecord( MSIDATABASE *db, LPCWSTR fmt, ... )
 209 {
 210     MSIRECORD *rec = NULL;
 211     MSIQUERY *view = NULL;
 212     UINT r;
 213     int size = 100, res;
 214     LPWSTR query;
 215
 216     /* construct the string */
 217     for (;;)
 218     {
 219         va_list va;
 220         query = msi_alloc( size*sizeof(WCHAR) );
 221         va_start(va, fmt);
 222         res = vsnprintfW(query, size, fmt, va);
 223         va_end(va);
 224         if (res == -1) size *= 2;
 225         else if (res >= size) size = res + 1;
 226         else break;
 227         msi_free( query );
 228     }
 229     /* perform the query */
 230     r = MSI_DatabaseOpenViewW(db, query, &view);
 231     msi_free(query);
 232
 233     if( r == ERROR_SUCCESS )
 234     {
 235         MSI_ViewExecute( view, NULL );
 236         MSI_ViewFetch( view, &rec );
 237         MSI_ViewClose( view );
 238         msiobj_release( &view->hdr );
 239     }
 240     return rec;
 241 }
 242
 243 UINT WINAPI MsiDatabaseOpenViewW(MSIHANDLE hdb,
 244               LPCWSTR szQuery, MSIHANDLE *phView)
 245 {
 246     MSIDATABASE *db;
 247     MSIQUERY *query = NULL;
 248     UINT ret;
 249
 250     TRACE("%s %p\n", debugstr_w(szQuery), phView);
 251
 252     db = msihandle2msiinfo( hdb, MSIHANDLETYPE_DATABASE );
 253     if( !db )
 254     {
 255         HRESULT hr;
 256         IWineMsiRemoteDatabase *remote_database;
 257
 258         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( hdb );
 259         if ( !remote_database )
 260             return ERROR_INVALID_HANDLE;
 261
 262         hr = IWineMsiRemoteDatabase_OpenView( remote_database, (BSTR)szQuery, phView );
 263         IWineMsiRemoteDatabase_Release( remote_database );
 264
 265         if (FAILED(hr))
 266         {
 267             if (HRESULT_FACILITY(hr) == FACILITY_WIN32)
 268                 return HRESULT_CODE(hr);
 269
 270             return ERROR_FUNCTION_FAILED;
 271         }
 272
 273         return ERROR_SUCCESS;
 274     }
 275
 276     ret = MSI_DatabaseOpenViewW( db, szQuery, &query );
 277     if( ret == ERROR_SUCCESS )
 278     {
 279         *phView = alloc_msihandle( &query->hdr );
 280         if (! *phView)
 281            ret = ERROR_NOT_ENOUGH_MEMORY;
 282         msiobj_release( &query->hdr );
 283     }
 284     msiobj_release( &db->hdr );
 285
 286     return ret;
 287 }
 288
 289 UINT msi_view_get_row(MSIDATABASE *db, MSIVIEW *view, UINT row, MSIRECORD **rec)
 290 {
 291     UINT row_count = 0, col_count = 0, i, ival, ret, type;
 292
 293     TRACE("%p %p %d %p\n", db, view, row, rec);
 294
 295     ret = view->ops->get_dimensions(view, &row_count, &col_count);
 296     if (ret)
 297         return ret;
 298
 299     if (!col_count)
 300         return ERROR_INVALID_PARAMETER;
 301
 302     if (row >= row_count)
 303         return ERROR_NO_MORE_ITEMS;
 304
 305     *rec = MSI_CreateRecord(col_count);
 306     if (!*rec)
 307         return ERROR_FUNCTION_FAILED;
 308
 309     for (i = 1; i <= col_count; i++)
 310     {
 311         ret = view->ops->get_column_info(view, i, NULL, &type, NULL);
 312         if (ret)
 313         {
 314             ERR("Error getting column type for %d\n", i);
 315             continue;
 316         }
 317
 318         if (MSITYPE_IS_BINARY(type))
 319         {
 320             IStream *stm = NULL;
 321
 322             ret = view->ops->fetch_stream(view, row, i, &stm);
 323             if ((ret == ERROR_SUCCESS) && stm)
 324             {
 325                 MSI_RecordSetIStream(*rec, i, stm);
 326                 IStream_Release(stm);
 327             }
 328             else
 329                 WARN("failed to get stream\n");
 330
 331             continue;
 332         }
 333
 334         ret = view->ops->fetch_int(view, row, i, &ival);
 335         if (ret)
 336         {
 337             ERR("Error fetching data for %d\n", i);
 338             continue;
 339         }
 340
 341         if (! (type & MSITYPE_VALID))
 342             ERR("Invalid type!\n");
 343
 344         /* check if it's nul (0) - if so, don't set anything */
 345         if (!ival)
 346             continue;
 347
 348         if (type & MSITYPE_STRING)
 349         {
 350             LPCWSTR sval;
 351
 352             sval = msi_string_lookup_id(db->strings, ival);
 353             MSI_RecordSetStringW(*rec, i, sval);
 354         }
 355         else
 356         {
 357             if ((type & MSI_DATASIZEMASK) == 2)
 358                 MSI_RecordSetInteger(*rec, i, ival - (1<<15));
 359             else
 360                 MSI_RecordSetInteger(*rec, i, ival - (1<<31));
 361         }
 362     }
 363
 364     return ERROR_SUCCESS;
 365 }
 366
 367 UINT MSI_ViewFetch(MSIQUERY *query, MSIRECORD **prec)
 368 {
 369     MSIVIEW *view;
 370     UINT r;
 371
 372     TRACE("%p %p\n", query, prec );
 373
 374     view = query->view;
 375     if( !view )
 376         return ERROR_FUNCTION_FAILED;
 377
 378     r = msi_view_get_row(query->db, view, query->row, prec);
 379     if (r == ERROR_SUCCESS)
 380     {
 381         query->row ++;
 382         MSI_RecordSetInteger(*prec, 0, (int)query);
 383     }
 384
 385     return r;
 386 }
 387
 388 UINT WINAPI MsiViewFetch(MSIHANDLE hView, MSIHANDLE *record)
 389 {
 390     MSIQUERY *query;
 391     MSIRECORD *rec = NULL;
 392     UINT ret;
 393
 394     TRACE("%d %p\n", hView, record);
 395
 396     if( !record )
 397         return ERROR_INVALID_PARAMETER;
 398     *record = 0;
 399
 400     query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
 401     if( !query )
 402         return ERROR_INVALID_HANDLE;
 403     ret = MSI_ViewFetch( query, &rec );
 404     if( ret == ERROR_SUCCESS )
 405     {
 406         *record = alloc_msihandle( &rec->hdr );
 407         if (! *record)
 408            ret = ERROR_NOT_ENOUGH_MEMORY;
 409         msiobj_release( &rec->hdr );
 410     }
 411     msiobj_release( &query->hdr );
 412     return ret;
 413 }
 414
 415 UINT MSI_ViewClose(MSIQUERY *query)
 416 {
 417     MSIVIEW *view;
 418
 419     TRACE("%p\n", query );
 420
 421     view = query->view;
 422     if( !view )
 423         return ERROR_FUNCTION_FAILED;
 424     if( !view->ops->close )
 425         return ERROR_FUNCTION_FAILED;
 426
 427     return view->ops->close( view );
 428 }
 429
 430 UINT WINAPI MsiViewClose(MSIHANDLE hView)
 431 {
 432     MSIQUERY *query;
 433     UINT ret;
 434
 435     TRACE("%d\n", hView );
 436
 437     query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
 438     if( !query )
 439         return ERROR_INVALID_HANDLE;
 440
 441     ret = MSI_ViewClose( query );
 442     msiobj_release( &query->hdr );
 443     return ret;
 444 }
 445
 446 UINT MSI_ViewExecute(MSIQUERY *query, MSIRECORD *rec )
 447 {
 448     MSIVIEW *view;
 449
 450     TRACE("%p %p\n", query, rec);
 451
 452     view = query->view;
 453     if( !view )
 454         return ERROR_FUNCTION_FAILED;
 455     if( !view->ops->execute )
 456         return ERROR_FUNCTION_FAILED;
 457     query->row = 0;
 458
 459     return view->ops->execute( view, rec );
 460 }
 461
 462 UINT WINAPI MsiViewExecute(MSIHANDLE hView, MSIHANDLE hRec)
 463 {
 464     MSIQUERY *query;
 465     MSIRECORD *rec = NULL;
 466     UINT ret;
 467
 468     TRACE("%d %d\n", hView, hRec);
 469
 470     query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
 471     if( !query )
 472         return ERROR_INVALID_HANDLE;
 473
 474     if( hRec )
 475     {
 476         rec = msihandle2msiinfo( hRec, MSIHANDLETYPE_RECORD );
 477         if( !rec )
 478         {
 479             ret = ERROR_INVALID_HANDLE;
 480             goto out;
 481         }
 482     }
 483
 484     msiobj_lock( &rec->hdr );
 485     ret = MSI_ViewExecute( query, rec );
 486     msiobj_unlock( &rec->hdr );
 487
 488 out:
 489     msiobj_release( &query->hdr );
 490     if( rec )
 491         msiobj_release( &rec->hdr );
 492
 493     return ret;
 494 }
 495
 496 static UINT msi_set_record_type_string( MSIRECORD *rec, UINT field,
 497                                         UINT type, BOOL temporary )
 498 {
 499     static const WCHAR fmt[] = { '%','d',0 };
 500     WCHAR szType[0x10];
 501
 502     if (MSITYPE_IS_BINARY(type))
 503         szType[0] = 'v';
 504     else if (type & MSITYPE_LOCALIZABLE)
 505         szType[0] = 'l';
 506     else if (type & MSITYPE_STRING)
 507     {
 508         if (temporary)
 509             szType[0] = 'g';
 510         else
 511           szType[0] = 's';
 512     }
 513     else
 514     {
 515         if (temporary)
 516             szType[0] = 'j';
 517         else
 518             szType[0] = 'i';
 519     }
 520
 521     if (type & MSITYPE_NULLABLE)
 522         szType[0] &= ~0x20;
 523
 524     sprintfW( &szType[1], fmt, (type&0xff) );
 525
 526     TRACE("type %04x -> %s\n", type, debugstr_w(szType) );
 527
 528     return MSI_RecordSetStringW( rec, field, szType );
 529 }
 530
 531 UINT MSI_ViewGetColumnInfo( MSIQUERY *query, MSICOLINFO info, MSIRECORD **prec )
 532 {
 533     UINT r = ERROR_FUNCTION_FAILED, i, count = 0, type;
 534     MSIRECORD *rec;
 535     MSIVIEW *view = query->view;
 536     LPWSTR name;
 537     BOOL temporary;
 538
 539     if( !view )
 540         return ERROR_FUNCTION_FAILED;
 541
 542     if( !view->ops->get_dimensions )
 543         return ERROR_FUNCTION_FAILED;
 544
 545     r = view->ops->get_dimensions( view, NULL, &count );
 546     if( r != ERROR_SUCCESS )
 547         return r;
 548     if( !count )
 549         return ERROR_INVALID_PARAMETER;
 550
 551     rec = MSI_CreateRecord( count );
 552     if( !rec )
 553         return ERROR_FUNCTION_FAILED;
 554
 555     for( i=0; i<count; i++ )
 556     {
 557         name = NULL;
 558         r = view->ops->get_column_info( view, i+1, &name, &type, &temporary );
 559         if( r != ERROR_SUCCESS )
 560             continue;
 561         if (info == MSICOLINFO_NAMES)
 562             MSI_RecordSetStringW( rec, i+1, name );
 563         else
 564             msi_set_record_type_string( rec, i+1, type, temporary );
 565         msi_free( name );
 566     }
 567
 568     *prec = rec;
 569     return ERROR_SUCCESS;
 570 }
 571
 572 UINT WINAPI MsiViewGetColumnInfo(MSIHANDLE hView, MSICOLINFO info, MSIHANDLE *hRec)
 573 {
 574     MSIQUERY *query = NULL;
 575     MSIRECORD *rec = NULL;
 576     UINT r;
 577
 578     TRACE("%d %d %p\n", hView, info, hRec);
 579
 580     if( !hRec )
 581         return ERROR_INVALID_PARAMETER;
 582
 583     if( info != MSICOLINFO_NAMES && info != MSICOLINFO_TYPES )
 584         return ERROR_INVALID_PARAMETER;
 585
 586     query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
 587     if( !query )
 588         return ERROR_INVALID_HANDLE;
 589
 590     r = MSI_ViewGetColumnInfo( query, info, &rec );
 591     if ( r == ERROR_SUCCESS )
 592     {
 593         *hRec = alloc_msihandle( &rec->hdr );
 594         if ( !*hRec )
 595             r = ERROR_NOT_ENOUGH_MEMORY;
 596         msiobj_release( &rec->hdr );
 597     }
 598
 599     msiobj_release( &query->hdr );
 600
 601     return r;
 602 }
 603
 604 UINT MSI_ViewModify( MSIQUERY *query, MSIMODIFY mode, MSIRECORD *rec )
 605 {
 606     MSIVIEW *view = NULL;
 607     UINT r;
 608
 609     if ( !query || !rec )
 610         return ERROR_INVALID_HANDLE;
 611
 612     view = query->view;
 613     if ( !view  || !view->ops->modify)
 614         return ERROR_FUNCTION_FAILED;
 615
 616     if ( mode == MSIMODIFY_UPDATE && MSI_RecordGetInteger( rec, 0 ) != (int)query )
 617         return ERROR_FUNCTION_FAILED;
 618
 619     r = view->ops->modify( view, mode, rec, query->row );
 620     if (mode == MSIMODIFY_DELETE && r == ERROR_SUCCESS)
 621         query->row--;
 622
 623     return r;
 624 }
 625
 626 UINT WINAPI MsiViewModify( MSIHANDLE hView, MSIMODIFY eModifyMode,
 627                 MSIHANDLE hRecord)
 628 {
 629     MSIQUERY *query = NULL;
 630     MSIRECORD *rec = NULL;
 631     UINT r = ERROR_FUNCTION_FAILED;
 632
 633     TRACE("%d %x %d\n", hView, eModifyMode, hRecord);
 634
 635     query = msihandle2msiinfo( hView, MSIHANDLETYPE_VIEW );
 636     if( !query )
 637         return ERROR_INVALID_HANDLE;
 638
 639     rec = msihandle2msiinfo( hRecord, MSIHANDLETYPE_RECORD );
 640     r = MSI_ViewModify( query, eModifyMode, rec );
 641
 642     msiobj_release( &query->hdr );
 643     if( rec )
 644         msiobj_release( &rec->hdr );
 645
 646     return r;
 647 }
 648
 649 MSIDBERROR WINAPI MsiViewGetErrorW( MSIHANDLE handle, LPWSTR szColumnNameBuffer,
 650                               LPDWORD pcchBuf )
 651 {
 652     MSIQUERY *query = NULL;
 653     static const WCHAR szError[] = { 0 };
 654     MSIDBERROR r = MSIDBERROR_NOERROR;
 655     DWORD len;
 656
 657     FIXME("%d %p %p - returns empty error string\n",
 658           handle, szColumnNameBuffer, pcchBuf );
 659
 660     if( !pcchBuf )
 661         return MSIDBERROR_INVALIDARG;
 662
 663     query = msihandle2msiinfo( handle, MSIHANDLETYPE_VIEW );
 664     if( !query )
 665         return MSIDBERROR_INVALIDARG;
 666
 667     len = strlenW( szError );
 668     if( szColumnNameBuffer )
 669     {
 670         if( *pcchBuf > len )
 671             lstrcpyW( szColumnNameBuffer, szError );
 672         else
 673             r = MSIDBERROR_MOREDATA;
 674     }
 675     *pcchBuf = len;
 676
 677     msiobj_release( &query->hdr );
 678     return r;
 679 }
 680
 681 MSIDBERROR WINAPI MsiViewGetErrorA( MSIHANDLE handle, LPSTR szColumnNameBuffer,
 682                               LPDWORD pcchBuf )
 683 {
 684     static const CHAR szError[] = { 0 };
 685     MSIQUERY *query = NULL;
 686     MSIDBERROR r = MSIDBERROR_NOERROR;
 687     DWORD len;
 688
 689     FIXME("%d %p %p - returns empty error string\n",
 690           handle, szColumnNameBuffer, pcchBuf );
 691
 692     if( !pcchBuf )
 693         return MSIDBERROR_INVALIDARG;
 694
 695     query = msihandle2msiinfo( handle, MSIHANDLETYPE_VIEW );
 696     if( !query )
 697         return MSIDBERROR_INVALIDARG;
 698
 699     len = strlen( szError );
 700     if( szColumnNameBuffer )
 701     {
 702         if( *pcchBuf > len )
 703             lstrcpyA( szColumnNameBuffer, szError );
 704         else
 705             r = MSIDBERROR_MOREDATA;
 706     }
 707     *pcchBuf = len;
 708
 709     msiobj_release( &query->hdr );
 710     return r;
 711 }
 712
 713 MSIHANDLE WINAPI MsiGetLastErrorRecord( void )
 714 {
 715     FIXME("\n");
 716     return 0;
 717 }
 718
 719 UINT MSI_DatabaseApplyTransformW( MSIDATABASE *db,
 720                  LPCWSTR szTransformFile, int iErrorCond )
 721 {
 722     HRESULT r;
 723     UINT ret = ERROR_FUNCTION_FAILED;
 724     IStorage *stg = NULL;
 725     STATSTG stat;
 726
 727     TRACE("%p %s %d\n", db, debugstr_w(szTransformFile), iErrorCond);
 728
 729     r = StgOpenStorage( szTransformFile, NULL,
 730            STGM_DIRECT|STGM_READ|STGM_SHARE_DENY_WRITE, NULL, 0, &stg);
 731     if ( FAILED(r) )
 732         return ret;
 733
 734     r = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
 735     if ( FAILED( r ) )
 736         goto end;
 737
 738     if ( !IsEqualGUID( &stat.clsid, &CLSID_MsiTransform ) )
 739         goto end;
 740
 741     if( TRACE_ON( msi ) )
 742         enum_stream_names( stg );
 743
 744     ret = msi_table_apply_transform( db, stg );
 745
 746 end:
 747     IStorage_Release( stg );
 748
 749     return ret;
 750 }
 751
 752 UINT WINAPI MsiDatabaseApplyTransformW( MSIHANDLE hdb,
 753                  LPCWSTR szTransformFile, int iErrorCond)
 754 {
 755     MSIDATABASE *db;
 756     UINT r;
 757
 758     db = msihandle2msiinfo( hdb, MSIHANDLETYPE_DATABASE );
 759     if( !db )
 760     {
 761         IWineMsiRemoteDatabase *remote_database;
 762
 763         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( hdb );
 764         if ( !remote_database )
 765             return ERROR_INVALID_HANDLE;
 766
 767         IWineMsiRemoteDatabase_Release( remote_database );
 768         WARN("MsiDatabaseApplyTransform not allowed during a custom action!\n");
 769
 770         return ERROR_SUCCESS;
 771     }
 772
 773     r = MSI_DatabaseApplyTransformW( db, szTransformFile, iErrorCond );
 774     msiobj_release( &db->hdr );
 775     return r;
 776 }
 777
 778 UINT WINAPI MsiDatabaseApplyTransformA( MSIHANDLE hdb,
 779                  LPCSTR szTransformFile, int iErrorCond)
 780 {
 781     LPWSTR wstr;
 782     UINT ret;
 783
 784     TRACE("%d %s %d\n", hdb, debugstr_a(szTransformFile), iErrorCond);
 785
 786     wstr = strdupAtoW( szTransformFile );
 787     if( szTransformFile && !wstr )
 788         return ERROR_NOT_ENOUGH_MEMORY;
 789
 790     ret = MsiDatabaseApplyTransformW( hdb, wstr, iErrorCond);
 791
 792     msi_free( wstr );
 793
 794     return ret;
 795 }
 796
 797 UINT WINAPI MsiDatabaseGenerateTransformA( MSIHANDLE hdb, MSIHANDLE hdbref,
 798                  LPCSTR szTransformFile, int iReserved1, int iReserved2 )
 799 {
 800     FIXME("%d %d %s %d %d\n", hdb, hdbref,
 801            debugstr_a(szTransformFile), iReserved1, iReserved2);
 802     return ERROR_CALL_NOT_IMPLEMENTED;
 803 }
 804
 805 UINT WINAPI MsiDatabaseGenerateTransformW( MSIHANDLE hdb, MSIHANDLE hdbref,
 806                  LPCWSTR szTransformFile, int iReserved1, int iReserved2 )
 807 {
 808     FIXME("%d %d %s %d %d\n", hdb, hdbref,
 809            debugstr_w(szTransformFile), iReserved1, iReserved2);
 810     return ERROR_CALL_NOT_IMPLEMENTED;
 811 }
 812
 813 UINT WINAPI MsiDatabaseCommit( MSIHANDLE hdb )
 814 {
 815     MSIDATABASE *db;
 816     UINT r;
 817
 818     TRACE("%d\n", hdb);
 819
 820     db = msihandle2msiinfo( hdb, MSIHANDLETYPE_DATABASE );
 821     if( !db )
 822     {
 823         IWineMsiRemoteDatabase *remote_database;
 824
 825         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( hdb );
 826         if ( !remote_database )
 827             return ERROR_INVALID_HANDLE;
 828
 829         IWineMsiRemoteDatabase_Release( remote_database );
 830         WARN("MsiDatabaseCommit not allowed during a custom action!\n");
 831
 832         return ERROR_SUCCESS;
 833     }
 834
 835     /* FIXME: lock the database */
 836
 837     r = MSI_CommitTables( db );
 838     if (r != ERROR_SUCCESS) ERR("Failed to commit tables!\n");
 839
 840     /* FIXME: unlock the database */
 841
 842     msiobj_release( &db->hdr );
 843
 844     if (r == ERROR_SUCCESS)
 845     {
 846         msi_free( db->deletefile );
 847         db->deletefile = NULL;
 848     }
 849
 850     return r;
 851 }
 852
 853 struct msi_primary_key_record_info
 854 {
 855     DWORD n;
 856     MSIRECORD *rec;
 857 };
 858
 859 static UINT msi_primary_key_iterator( MSIRECORD *rec, LPVOID param )
 860 {
 861     struct msi_primary_key_record_info *info = param;
 862     LPCWSTR name, table;
 863     DWORD type;
 864
 865     type = MSI_RecordGetInteger( rec, 4 );
 866     if( type & MSITYPE_KEY )
 867     {
 868         info->n++;
 869         if( info->rec )
 870         {
 871             if ( info->n == 1 )
 872             {
 873                 table = MSI_RecordGetString( rec, 1 );
 874                 MSI_RecordSetStringW( info->rec, 0, table);
 875             }
 876
 877             name = MSI_RecordGetString( rec, 3 );
 878             MSI_RecordSetStringW( info->rec, info->n, name );
 879         }
 880     }
 881
 882     return ERROR_SUCCESS;
 883 }
 884
 885 UINT MSI_DatabaseGetPrimaryKeys( MSIDATABASE *db,
 886                 LPCWSTR table, MSIRECORD **prec )
 887 {
 888     static const WCHAR sql[] = {
 889         's','e','l','e','c','t',' ','*',' ',
 890         'f','r','o','m',' ','`','_','C','o','l','u','m','n','s','`',' ',
 891         'w','h','e','r','e',' ',
 892         '`','T','a','b','l','e','`',' ','=',' ','\'','%','s','\'',0 };
 893     struct msi_primary_key_record_info info;
 894     MSIQUERY *query = NULL;
 895     UINT r;
 896
 897     r = MSI_OpenQuery( db, &query, sql, table );
 898     if( r != ERROR_SUCCESS )
 899         return r;
 900
 901     /* count the number of primary key records */
 902     info.n = 0;
 903     info.rec = 0;
 904     r = MSI_IterateRecords( query, 0, msi_primary_key_iterator, &info );
 905     if( r == ERROR_SUCCESS )
 906     {
 907         TRACE("Found %d primary keys\n", info.n );
 908
 909         /* allocate a record and fill in the names of the tables */
 910         info.rec = MSI_CreateRecord( info.n );
 911         info.n = 0;
 912         r = MSI_IterateRecords( query, 0, msi_primary_key_iterator, &info );
 913         if( r == ERROR_SUCCESS )
 914             *prec = info.rec;
 915         else
 916             msiobj_release( &info.rec->hdr );
 917     }
 918     msiobj_release( &query->hdr );
 919
 920     return r;
 921 }
 922
 923 UINT WINAPI MsiDatabaseGetPrimaryKeysW( MSIHANDLE hdb,
 924                     LPCWSTR table, MSIHANDLE* phRec )
 925 {
 926     MSIRECORD *rec = NULL;
 927     MSIDATABASE *db;
 928     UINT r;
 929
 930     TRACE("%d %s %p\n", hdb, debugstr_w(table), phRec);
 931
 932     db = msihandle2msiinfo( hdb, MSIHANDLETYPE_DATABASE );
 933     if( !db )
 934     {
 935         HRESULT hr;
 936         IWineMsiRemoteDatabase *remote_database;
 937
 938         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( hdb );
 939         if ( !remote_database )
 940             return ERROR_INVALID_HANDLE;
 941
 942         hr = IWineMsiRemoteDatabase_GetPrimaryKeys( remote_database, (BSTR)table, phRec );
 943         IWineMsiRemoteDatabase_Release( remote_database );
 944
 945         if (FAILED(hr))
 946         {
 947             if (HRESULT_FACILITY(hr) == FACILITY_WIN32)
 948                 return HRESULT_CODE(hr);
 949
 950             return ERROR_FUNCTION_FAILED;
 951         }
 952
 953         return ERROR_SUCCESS;
 954     }
 955
 956     r = MSI_DatabaseGetPrimaryKeys( db, table, &rec );
 957     if( r == ERROR_SUCCESS )
 958     {
 959         *phRec = alloc_msihandle( &rec->hdr );
 960         if (! *phRec)
 961            r = ERROR_NOT_ENOUGH_MEMORY;
 962         msiobj_release( &rec->hdr );
 963     }
 964     msiobj_release( &db->hdr );
 965
 966     return r;
 967 }
 968
 969 UINT WINAPI MsiDatabaseGetPrimaryKeysA(MSIHANDLE hdb,
 970                     LPCSTR table, MSIHANDLE* phRec)
 971 {
 972     LPWSTR szwTable = NULL;
 973     UINT r;
 974
 975     TRACE("%d %s %p\n", hdb, debugstr_a(table), phRec);
 976
 977     if( table )
 978     {
 979         szwTable = strdupAtoW( table );
 980         if( !szwTable )
 981             return ERROR_OUTOFMEMORY;
 982     }
 983     r = MsiDatabaseGetPrimaryKeysW( hdb, szwTable, phRec );
 984     msi_free( szwTable );
 985
 986     return r;
 987 }
 988
 989 MSICONDITION WINAPI MsiDatabaseIsTablePersistentA(
 990               MSIHANDLE hDatabase, LPCSTR szTableName)
 991 {
 992     LPWSTR szwTableName = NULL;
 993     MSICONDITION r;
 994
 995     TRACE("%x %s\n", hDatabase, debugstr_a(szTableName));
 996
 997     if( szTableName )
 998     {
 999         szwTableName = strdupAtoW( szTableName );
1000         if( !szwTableName )
1001             return MSICONDITION_ERROR;
1002     }
1003     r = MsiDatabaseIsTablePersistentW( hDatabase, szwTableName );
1004     msi_free( szwTableName );
1005
1006     return r;
1007 }
1008
1009 MSICONDITION WINAPI MsiDatabaseIsTablePersistentW(
1010               MSIHANDLE hDatabase, LPCWSTR szTableName)
1011 {
1012     MSIDATABASE *db;
1013     MSICONDITION r;
1014
1015     TRACE("%x %s\n", hDatabase, debugstr_w(szTableName));
1016
1017     db = msihandle2msiinfo( hDatabase, MSIHANDLETYPE_DATABASE );
1018     if( !db )
1019     {
1020         HRESULT hr;
1021         MSICONDITION condition;
1022         IWineMsiRemoteDatabase *remote_database;
1023
1024         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( hDatabase );
1025         if ( !remote_database )
1026             return MSICONDITION_ERROR;
1027
1028         hr = IWineMsiRemoteDatabase_IsTablePersistent( remote_database,
1029                                                        (BSTR)szTableName, &condition );
1030         IWineMsiRemoteDatabase_Release( remote_database );
1031
1032         if (FAILED(hr))
1033             return MSICONDITION_ERROR;
1034
1035         return condition;
1036     }
1037
1038     r = MSI_DatabaseIsTablePersistent( db, szTableName );
1039
1040     msiobj_release( &db->hdr );
1041
1042     return r;
1043 }