dlls/msi/database.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2002,2003,2004,2005 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 #define NONAMELESSUNION
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "winnls.h"
  30 #include "wine/debug.h"
  31 #include "wine/unicode.h"
  32 #include "msi.h"
  33 #include "msiquery.h"
  34 #include "msipriv.h"
  35 #include "objidl.h"
  36 #include "objbase.h"
  37 #include "msiserver.h"
  38 #include "query.h"
  39
  40 #include "initguid.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  43
  44 /*
  45  *  .MSI  file format
  46  *
  47  *  An .msi file is a structured storage file.
  48  *  It contains a number of streams.
  49  *  A stream for each table in the database.
  50  *  Two streams for the string table in the database.
  51  *  Any binary data in a table is a reference to a stream.
  52  */
  53
  54 #define IS_INTMSIDBOPEN(x)      (((ULONG_PTR)(x) >> 16) == 0)
  55
  56 typedef struct tagMSITRANSFORM {
  57     struct list entry;
  58     IStorage *stg;
  59 } MSITRANSFORM;
  60
  61 typedef struct tagMSISTREAM {
  62     struct list entry;
  63     IStream *stm;
  64 } MSISTREAM;
  65
  66 static UINT find_open_stream( MSIDATABASE *db, LPCWSTR name, IStream **stm )
  67 {
  68     MSISTREAM *stream;
  69
  70     LIST_FOR_EACH_ENTRY( stream, &db->streams, MSISTREAM, entry )
  71     {
  72         HRESULT r;
  73         STATSTG stat;
  74
  75         r = IStream_Stat( stream->stm, &stat, 0 );
  76         if( FAILED( r ) )
  77         {
  78             WARN("failed to stat stream r = %08x!\n", r);
  79             continue;
  80         }
  81
  82         if( !lstrcmpW( name, stat.pwcsName ) )
  83         {
  84             TRACE("found %s\n", debugstr_w(name));
  85             *stm = stream->stm;
  86             CoTaskMemFree( stat.pwcsName );
  87             return ERROR_SUCCESS;
  88         }
  89
  90         CoTaskMemFree( stat.pwcsName );
  91     }
  92
  93     return ERROR_FUNCTION_FAILED;
  94 }
  95
  96 static UINT clone_open_stream( MSIDATABASE *db, LPCWSTR name, IStream **stm )
  97 {
  98     IStream *stream;
  99
 100     if (find_open_stream( db, name, &stream ) == ERROR_SUCCESS)
 101     {
 102         HRESULT r;
 103         LARGE_INTEGER pos;
 104
 105         r = IStream_Clone( stream, stm );
 106         if( FAILED( r ) )
 107         {
 108             WARN("failed to clone stream r = %08x!\n", r);
 109             return ERROR_FUNCTION_FAILED;
 110         }
 111
 112         pos.QuadPart = 0;
 113         r = IStream_Seek( *stm, pos, STREAM_SEEK_SET, NULL );
 114         if( FAILED( r ) )
 115         {
 116             IStream_Release( *stm );
 117             return ERROR_FUNCTION_FAILED;
 118         }
 119
 120         return ERROR_SUCCESS;
 121     }
 122
 123     return ERROR_FUNCTION_FAILED;
 124 }
 125
 126 UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
 127 {
 128     HRESULT r;
 129     WCHAR decoded[MAX_STREAM_NAME_LEN];
 130
 131     decode_streamname( stname, decoded );
 132     TRACE("%s -> %s\n", debugstr_w(stname), debugstr_w(decoded));
 133
 134     if (clone_open_stream( db, stname, stm ) == ERROR_SUCCESS)
 135         return ERROR_SUCCESS;
 136
 137     r = IStorage_OpenStream( db->storage, stname, NULL,
 138                              STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
 139     if( FAILED( r ) )
 140     {
 141         MSITRANSFORM *transform;
 142
 143         LIST_FOR_EACH_ENTRY( transform, &db->transforms, MSITRANSFORM, entry )
 144         {
 145             r = IStorage_OpenStream( transform->stg, stname, NULL,
 146                                      STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
 147             if (SUCCEEDED(r))
 148                 break;
 149         }
 150     }
 151
 152     if( SUCCEEDED(r) )
 153     {
 154         MSISTREAM *stream;
 155
 156         stream = msi_alloc( sizeof(MSISTREAM) );
 157         if( !stream )
 158             return ERROR_NOT_ENOUGH_MEMORY;
 159
 160         stream->stm = *stm;
 161         IStream_AddRef( *stm );
 162         list_add_tail( &db->streams, &stream->entry );
 163     }
 164
 165     return SUCCEEDED(r) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
 166 }
 167
 168 static void free_transforms( MSIDATABASE *db )
 169 {
 170     while( !list_empty( &db->transforms ) )
 171     {
 172         MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
 173                                       MSITRANSFORM, entry );
 174         list_remove( &t->entry );
 175         IStorage_Release( t->stg );
 176         msi_free( t );
 177     }
 178 }
 179
 180 void db_destroy_stream( MSIDATABASE *db, LPCWSTR stname )
 181 {
 182     MSISTREAM *stream, *stream2;
 183
 184     LIST_FOR_EACH_ENTRY_SAFE( stream, stream2, &db->streams, MSISTREAM, entry )
 185     {
 186         HRESULT r;
 187         STATSTG stat;
 188
 189         r = IStream_Stat( stream->stm, &stat, 0 );
 190         if (FAILED(r))
 191         {
 192             WARN("failed to stat stream r = %08x\n", r);
 193             continue;
 194         }
 195
 196         if (!strcmpW( stname, stat.pwcsName ))
 197         {
 198             TRACE("destroying %s\n", debugstr_w(stname));
 199
 200             list_remove( &stream->entry );
 201             IStream_Release( stream->stm );
 202             msi_free( stream );
 203             IStorage_DestroyElement( db->storage, stname );
 204             CoTaskMemFree( stat.pwcsName );
 205             break;
 206         }
 207         CoTaskMemFree( stat.pwcsName );
 208     }
 209 }
 210
 211 static void free_streams( MSIDATABASE *db )
 212 {
 213     while( !list_empty( &db->streams ) )
 214     {
 215         MSISTREAM *s = LIST_ENTRY( list_head( &db->streams ),
 216                                    MSISTREAM, entry );
 217         list_remove( &s->entry );
 218         IStream_Release( s->stm );
 219         msi_free( s );
 220     }
 221 }
 222
 223 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
 224 {
 225     MSITRANSFORM *t;
 226
 227     t = msi_alloc( sizeof *t );
 228     t->stg = stg;
 229     IStorage_AddRef( stg );
 230     list_add_head( &db->transforms, &t->entry );
 231
 232     /* the transform may add or replace streams */
 233     free_streams( db );
 234 }
 235
 236 static VOID MSI_CloseDatabase( MSIOBJECTHDR *arg )
 237 {
 238     MSIDATABASE *db = (MSIDATABASE *) arg;
 239
 240     msi_free(db->path);
 241     free_cached_tables( db );
 242     free_streams( db );
 243     free_transforms( db );
 244     msi_destroy_stringtable( db->strings );
 245     IStorage_Release( db->storage );
 246     if (db->deletefile)
 247     {
 248         DeleteFileW( db->deletefile );
 249         msi_free( db->deletefile );
 250     }
 251     if (db->localfile)
 252     {
 253         DeleteFileW( db->localfile );
 254         msi_free( db->localfile );
 255     }
 256 }
 257
 258 static HRESULT db_initialize( IStorage *stg, const GUID *clsid )
 259 {
 260     static const WCHAR szTables[]  = { '_','T','a','b','l','e','s',0 };
 261     HRESULT hr;
 262
 263     hr = IStorage_SetClass( stg, clsid );
 264     if (FAILED( hr ))
 265     {
 266         WARN("failed to set class id 0x%08x\n", hr);
 267         return hr;
 268     }
 269
 270     /* create the _Tables stream */
 271     hr = write_stream_data( stg, szTables, NULL, 0, TRUE );
 272     if (FAILED( hr ))
 273     {
 274         WARN("failed to create _Tables stream 0x%08x\n", hr);
 275         return hr;
 276     }
 277
 278     hr = msi_init_string_table( stg );
 279     if (FAILED( hr ))
 280     {
 281         WARN("failed to initialize string table 0x%08x\n", hr);
 282         return hr;
 283     }
 284
 285     hr = IStorage_Commit( stg, 0 );
 286     if (FAILED( hr ))
 287     {
 288         WARN("failed to commit changes 0x%08x\n", hr);
 289         return hr;
 290     }
 291
 292     return S_OK;
 293 }
 294
 295 UINT MSI_OpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIDATABASE **pdb)
 296 {
 297     IStorage *stg = NULL;
 298     HRESULT r;
 299     MSIDATABASE *db = NULL;
 300     UINT ret = ERROR_FUNCTION_FAILED;
 301     LPCWSTR szMode, save_path;
 302     STATSTG stat;
 303     BOOL created = FALSE, patch = FALSE;
 304     WCHAR path[MAX_PATH];
 305
 306     TRACE("%s %s\n",debugstr_w(szDBPath),debugstr_w(szPersist) );
 307
 308     if( !pdb )
 309         return ERROR_INVALID_PARAMETER;
 310
 311     if (szPersist - MSIDBOPEN_PATCHFILE >= MSIDBOPEN_READONLY &&
 312         szPersist - MSIDBOPEN_PATCHFILE <= MSIDBOPEN_CREATEDIRECT)
 313     {
 314         TRACE("Database is a patch\n");
 315         szPersist -= MSIDBOPEN_PATCHFILE;
 316         patch = TRUE;
 317     }
 318
 319     save_path = szDBPath;
 320     szMode = szPersist;
 321     if( !IS_INTMSIDBOPEN(szPersist) )
 322     {
 323         if (!CopyFileW( szDBPath, szPersist, FALSE ))
 324             return ERROR_OPEN_FAILED;
 325
 326         szDBPath = szPersist;
 327         szPersist = MSIDBOPEN_TRANSACT;
 328         created = TRUE;
 329     }
 330
 331     if( szPersist == MSIDBOPEN_READONLY )
 332     {
 333         r = StgOpenStorage( szDBPath, NULL,
 334               STGM_DIRECT|STGM_READ|STGM_SHARE_DENY_WRITE, NULL, 0, &stg);
 335     }
 336     else if( szPersist == MSIDBOPEN_CREATE )
 337     {
 338         r = StgCreateDocfile( szDBPath,
 339               STGM_CREATE|STGM_TRANSACTED|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, &stg );
 340
 341         if( SUCCEEDED(r) )
 342             r = db_initialize( stg, patch ? &CLSID_MsiPatch : &CLSID_MsiDatabase );
 343         created = TRUE;
 344     }
 345     else if( szPersist == MSIDBOPEN_CREATEDIRECT )
 346     {
 347         r = StgCreateDocfile( szDBPath,
 348               STGM_CREATE|STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, 0, &stg );
 349
 350         if( SUCCEEDED(r) )
 351             r = db_initialize( stg, patch ? &CLSID_MsiPatch : &CLSID_MsiDatabase );
 352         created = TRUE;
 353     }
 354     else if( szPersist == MSIDBOPEN_TRANSACT )
 355     {
 356         r = StgOpenStorage( szDBPath, NULL,
 357               STGM_TRANSACTED|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 358     }
 359     else if( szPersist == MSIDBOPEN_DIRECT )
 360     {
 361         r = StgOpenStorage( szDBPath, NULL,
 362               STGM_DIRECT|STGM_READWRITE|STGM_SHARE_EXCLUSIVE, NULL, 0, &stg);
 363     }
 364     else
 365     {
 366         ERR("unknown flag %p\n",szPersist);
 367         return ERROR_INVALID_PARAMETER;
 368     }
 369
 370     if( FAILED( r ) || !stg )
 371     {
 372         FIXME("open failed r = %08x for %s\n", r, debugstr_w(szDBPath));
 373         return ERROR_FUNCTION_FAILED;
 374     }
 375
 376     r = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
 377     if( FAILED( r ) )
 378     {
 379         FIXME("Failed to stat storage\n");
 380         goto end;
 381     }
 382
 383     if ( !IsEqualGUID( &stat.clsid, &CLSID_MsiDatabase ) &&
 384          !IsEqualGUID( &stat.clsid, &CLSID_MsiPatch ) &&
 385          !IsEqualGUID( &stat.clsid, &CLSID_MsiTransform ) )
 386     {
 387         ERR("storage GUID is not a MSI database GUID %s\n",
 388              debugstr_guid(&stat.clsid) );
 389         goto end;
 390     }
 391
 392     if ( patch && !IsEqualGUID( &stat.clsid, &CLSID_MsiPatch ) )
 393     {
 394         ERR("storage GUID is not the MSI patch GUID %s\n",
 395              debugstr_guid(&stat.clsid) );
 396         ret = ERROR_OPEN_FAILED;
 397         goto end;
 398     }
 399
 400     db = alloc_msiobject( MSIHANDLETYPE_DATABASE, sizeof (MSIDATABASE),
 401                               MSI_CloseDatabase );
 402     if( !db )
 403     {
 404         FIXME("Failed to allocate a handle\n");
 405         goto end;
 406     }
 407
 408     if (!strchrW( save_path, '\\' ))
 409     {
 410         GetCurrentDirectoryW( MAX_PATH, path );
 411         lstrcatW( path, szBackSlash );
 412         lstrcatW( path, save_path );
 413     }
 414     else
 415         lstrcpyW( path, save_path );
 416
 417     db->path = strdupW( path );
 418
 419     if( TRACE_ON( msi ) )
 420         enum_stream_names( stg );
 421
 422     db->storage = stg;
 423     db->mode = szMode;
 424     if (created)
 425         db->deletefile = strdupW( szDBPath );
 426     list_init( &db->tables );
 427     list_init( &db->transforms );
 428     list_init( &db->streams );
 429
 430     db->strings = msi_load_string_table( stg, &db->bytes_per_strref );
 431     if( !db->strings )
 432         goto end;
 433
 434     ret = ERROR_SUCCESS;
 435
 436     msiobj_addref( &db->hdr );
 437     IStorage_AddRef( stg );
 438     *pdb = db;
 439
 440 end:
 441     if( db )
 442         msiobj_release( &db->hdr );
 443     if( stg )
 444         IStorage_Release( stg );
 445
 446     return ret;
 447 }
 448
 449 UINT WINAPI MsiOpenDatabaseW(LPCWSTR szDBPath, LPCWSTR szPersist, MSIHANDLE *phDB)
 450 {
 451     MSIDATABASE *db;
 452     UINT ret;
 453
 454     TRACE("%s %s %p\n",debugstr_w(szDBPath),debugstr_w(szPersist), phDB);
 455
 456     ret = MSI_OpenDatabaseW( szDBPath, szPersist, &db );
 457     if( ret == ERROR_SUCCESS )
 458     {
 459         *phDB = alloc_msihandle( &db->hdr );
 460         if (! *phDB)
 461             ret = ERROR_NOT_ENOUGH_MEMORY;
 462         msiobj_release( &db->hdr );
 463     }
 464
 465     return ret;
 466 }
 467
 468 UINT WINAPI MsiOpenDatabaseA(LPCSTR szDBPath, LPCSTR szPersist, MSIHANDLE *phDB)
 469 {
 470     HRESULT r = ERROR_FUNCTION_FAILED;
 471     LPWSTR szwDBPath = NULL, szwPersist = NULL;
 472
 473     TRACE("%s %s %p\n", debugstr_a(szDBPath), debugstr_a(szPersist), phDB);
 474
 475     if( szDBPath )
 476     {
 477         szwDBPath = strdupAtoW( szDBPath );
 478         if( !szwDBPath )
 479             goto end;
 480     }
 481
 482     if( !IS_INTMSIDBOPEN(szPersist) )
 483     {
 484         szwPersist = strdupAtoW( szPersist );
 485         if( !szwPersist )
 486             goto end;
 487     }
 488     else
 489         szwPersist = (LPWSTR)(DWORD_PTR)szPersist;
 490
 491     r = MsiOpenDatabaseW( szwDBPath, szwPersist, phDB );
 492
 493 end:
 494     if( !IS_INTMSIDBOPEN(szPersist) )
 495         msi_free( szwPersist );
 496     msi_free( szwDBPath );
 497
 498     return r;
 499 }
 500
 501 static LPWSTR msi_read_text_archive(LPCWSTR path)
 502 {
 503     HANDLE file;
 504     LPSTR data = NULL;
 505     LPWSTR wdata = NULL;
 506     DWORD read, size = 0;
 507
 508     file = CreateFileW( path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL );
 509     if (file == INVALID_HANDLE_VALUE)
 510         return NULL;
 511
 512     size = GetFileSize( file, NULL );
 513     data = msi_alloc( size + 1 );
 514     if (!data)
 515         goto done;
 516
 517     if (!ReadFile( file, data, size, &read, NULL ))
 518         goto done;
 519
 520     data[size] = '\0';
 521     wdata = strdupAtoW( data );
 522
 523 done:
 524     CloseHandle( file );
 525     msi_free( data );
 526     return wdata;
 527 }
 528
 529 static void msi_parse_line(LPWSTR *line, LPWSTR **entries, DWORD *num_entries)
 530 {
 531     LPWSTR ptr = *line, save;
 532     DWORD i, count = 1;
 533
 534     *entries = NULL;
 535
 536     /* stay on this line */
 537     while (*ptr && *ptr != '\n')
 538     {
 539         /* entries are separated by tabs */
 540         if (*ptr == '\t')
 541             count++;
 542
 543         ptr++;
 544     }
 545
 546     *entries = msi_alloc(count * sizeof(LPWSTR));
 547     if (!*entries)
 548         return;
 549
 550     /* store pointers into the data */
 551     for (i = 0, ptr = *line; i < count; i++)
 552     {
 553         while (*ptr && *ptr == '\r') ptr++;
 554         save = ptr;
 555
 556         while (*ptr && *ptr != '\t' && *ptr != '\n' && *ptr != '\r') ptr++;
 557
 558         /* NULL-separate the data */
 559         if (*ptr == '\n' || *ptr == '\r')
 560         {
 561             while (*ptr == '\n' || *ptr == '\r')
 562                 *(ptr++) = '\0';
 563         }
 564         else if (*ptr)
 565             *ptr++ = '\0';
 566
 567         (*entries)[i] = save;
 568     }
 569
 570     /* move to the next line if there's more, else EOF */
 571     *line = ptr;
 572
 573     if (num_entries)
 574         *num_entries = count;
 575 }
 576
 577 static LPWSTR msi_build_createsql_prelude(LPWSTR table)
 578 {
 579     LPWSTR prelude;
 580     DWORD size;
 581
 582     static const WCHAR create_fmt[] = {'C','R','E','A','T','E',' ','T','A','B','L','E',' ','`','%','s','`',' ','(',' ',0};
 583
 584     size = sizeof(create_fmt)/sizeof(create_fmt[0]) + lstrlenW(table) - 2;
 585     prelude = msi_alloc(size * sizeof(WCHAR));
 586     if (!prelude)
 587         return NULL;
 588
 589     sprintfW(prelude, create_fmt, table);
 590     return prelude;
 591 }
 592
 593 static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, DWORD num_columns)
 594 {
 595     LPWSTR columns, p;
 596     LPCWSTR type;
 597     DWORD sql_size = 1, i, len;
 598     WCHAR expanded[128], *ptr;
 599     WCHAR size[10], comma[2], extra[30];
 600
 601     static const WCHAR column_fmt[] = {'`','%','s','`',' ','%','s','%','s','%','s','%','s',' ',0};
 602     static const WCHAR size_fmt[] = {'(','%','s',')',0};
 603     static const WCHAR type_char[] = {'C','H','A','R',0};
 604     static const WCHAR type_int[] = {'I','N','T',0};
 605     static const WCHAR type_long[] = {'L','O','N','G',0};
 606     static const WCHAR type_object[] = {'O','B','J','E','C','T',0};
 607     static const WCHAR type_notnull[] = {' ','N','O','T',' ','N','U','L','L',0};
 608     static const WCHAR localizable[] = {' ','L','O','C','A','L','I','Z','A','B','L','E',0};
 609
 610     columns = msi_alloc_zero(sql_size * sizeof(WCHAR));
 611     if (!columns)
 612         return NULL;
 613
 614     for (i = 0; i < num_columns; i++)
 615     {
 616         type = NULL;
 617         comma[1] = size[0] = extra[0] = '\0';
 618
 619         if (i == num_columns - 1)
 620             comma[0] = '\0';
 621         else
 622             comma[0] = ',';
 623
 624         ptr = &types[i][1];
 625         len = atolW(ptr);
 626         extra[0] = '\0';
 627
 628         switch (types[i][0])
 629         {
 630             case 'l':
 631                 lstrcpyW(extra, type_notnull);
 632             case 'L':
 633                 lstrcatW(extra, localizable);
 634                 type = type_char;
 635                 sprintfW(size, size_fmt, ptr);
 636                 break;
 637             case 's':
 638                 lstrcpyW(extra, type_notnull);
 639             case 'S':
 640                 type = type_char;
 641                 sprintfW(size, size_fmt, ptr);
 642                 break;
 643             case 'i':
 644                 lstrcpyW(extra, type_notnull);
 645             case 'I':
 646                 if (len <= 2)
 647                     type = type_int;
 648                 else if (len == 4)
 649                     type = type_long;
 650                 else
 651                 {
 652                     WARN("invalid int width %u\n", len);
 653                     msi_free(columns);
 654                     return NULL;
 655                 }
 656                 break;
 657             case 'v':
 658                 lstrcpyW(extra, type_notnull);
 659             case 'V':
 660                 type = type_object;
 661                 break;
 662             default:
 663                 ERR("Unknown type: %c\n", types[i][0]);
 664                 msi_free(columns);
 665                 return NULL;
 666         }
 667
 668         sprintfW(expanded, column_fmt, columns_data[i], type, size, extra, comma);
 669         sql_size += lstrlenW(expanded);
 670
 671         p = msi_realloc(columns, sql_size * sizeof(WCHAR));
 672         if (!p)
 673         {
 674             msi_free(columns);
 675             return NULL;
 676         }
 677         columns = p;
 678
 679         lstrcatW(columns, expanded);
 680     }
 681
 682     return columns;
 683 }
 684
 685 static LPWSTR msi_build_createsql_postlude(LPWSTR *primary_keys, DWORD num_keys)
 686 {
 687     LPWSTR postlude, keys, ptr;
 688     DWORD size, key_size, i;
 689
 690     static const WCHAR key_fmt[] = {'`','%','s','`',',',' ',0};
 691     static const WCHAR postlude_fmt[] = {'P','R','I','M','A','R','Y',' ','K','E','Y',' ','%','s',')',0};
 692
 693     for (i = 0, size = 1; i < num_keys; i++)
 694         size += lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) - 2;
 695
 696     keys = msi_alloc(size * sizeof(WCHAR));
 697     if (!keys)
 698         return NULL;
 699
 700     for (i = 0, ptr = keys; i < num_keys; i++)
 701     {
 702         key_size = lstrlenW(key_fmt) + lstrlenW(primary_keys[i]) -2;
 703         sprintfW(ptr, key_fmt, primary_keys[i]);
 704         ptr += key_size;
 705     }
 706
 707     /* remove final ', ' */
 708     *(ptr - 2) = '\0';
 709
 710     size = lstrlenW(postlude_fmt) + size - 1;
 711     postlude = msi_alloc(size * sizeof(WCHAR));
 712     if (!postlude)
 713         goto done;
 714
 715     sprintfW(postlude, postlude_fmt, keys);
 716
 717 done:
 718     msi_free(keys);
 719     return postlude;
 720 }
 721
 722 static UINT msi_add_table_to_db(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types, LPWSTR *labels, DWORD num_labels, DWORD num_columns)
 723 {
 724     UINT r = ERROR_OUTOFMEMORY;
 725     DWORD size;
 726     MSIQUERY *view;
 727     LPWSTR create_sql = NULL;
 728     LPWSTR prelude, columns_sql, postlude;
 729
 730     prelude = msi_build_createsql_prelude(labels[0]);
 731     columns_sql = msi_build_createsql_columns(columns, types, num_columns);
 732     postlude = msi_build_createsql_postlude(labels + 1, num_labels - 1); /* skip over table name */
 733
 734     if (!prelude || !columns_sql || !postlude)
 735         goto done;
 736
 737     size = lstrlenW(prelude) + lstrlenW(columns_sql) + lstrlenW(postlude) + 1;
 738     create_sql = msi_alloc(size * sizeof(WCHAR));
 739     if (!create_sql)
 740         goto done;
 741
 742     lstrcpyW(create_sql, prelude);
 743     lstrcatW(create_sql, columns_sql);
 744     lstrcatW(create_sql, postlude);
 745
 746     r = MSI_DatabaseOpenViewW( db, create_sql, &view );
 747     if (r != ERROR_SUCCESS)
 748         goto done;
 749
 750     r = MSI_ViewExecute(view, NULL);
 751     MSI_ViewClose(view);
 752     msiobj_release(&view->hdr);
 753
 754 done:
 755     msi_free(prelude);
 756     msi_free(columns_sql);
 757     msi_free(postlude);
 758     msi_free(create_sql);
 759     return r;
 760 }
 761
 762 static LPWSTR msi_import_stream_filename(LPCWSTR path, LPCWSTR name)
 763 {
 764     DWORD len;
 765     LPWSTR fullname, ptr;
 766
 767     len = lstrlenW(path) + lstrlenW(name) + 1;
 768     fullname = msi_alloc(len*sizeof(WCHAR));
 769     if (!fullname)
 770        return NULL;
 771
 772     lstrcpyW( fullname, path );
 773
 774     /* chop off extension from path */
 775     ptr = strrchrW(fullname, '.');
 776     if (!ptr)
 777     {
 778         msi_free (fullname);
 779         return NULL;
 780     }
 781     *ptr++ = '\\';
 782     lstrcpyW( ptr, name );
 783     return fullname;
 784 }
 785
 786 static UINT construct_record(DWORD num_columns, LPWSTR *types,
 787                              LPWSTR *data, LPWSTR path, MSIRECORD **rec)
 788 {
 789     UINT i;
 790
 791     *rec = MSI_CreateRecord(num_columns);
 792     if (!*rec)
 793         return ERROR_OUTOFMEMORY;
 794
 795     for (i = 0; i < num_columns; i++)
 796     {
 797         switch (types[i][0])
 798         {
 799             case 'L': case 'l': case 'S': case 's':
 800                 MSI_RecordSetStringW(*rec, i + 1, data[i]);
 801                 break;
 802             case 'I': case 'i':
 803                 if (*data[i])
 804                     MSI_RecordSetInteger(*rec, i + 1, atoiW(data[i]));
 805                 break;
 806             case 'V': case 'v':
 807                 if (*data[i])
 808                 {
 809                     UINT r;
 810                     LPWSTR file = msi_import_stream_filename(path, data[i]);
 811                     if (!file)
 812                         return ERROR_FUNCTION_FAILED;
 813
 814                     r = MSI_RecordSetStreamFromFileW(*rec, i + 1, file);
 815                     msi_free (file);
 816                     if (r != ERROR_SUCCESS)
 817                         return ERROR_FUNCTION_FAILED;
 818                 }
 819                 break;
 820             default:
 821                 ERR("Unhandled column type: %c\n", types[i][0]);
 822                 msiobj_release(&(*rec)->hdr);
 823                 return ERROR_FUNCTION_FAILED;
 824         }
 825     }
 826
 827     return ERROR_SUCCESS;
 828 }
 829
 830 static UINT msi_add_records_to_table(MSIDATABASE *db, LPWSTR *columns, LPWSTR *types,
 831                                      LPWSTR *labels, LPWSTR **records,
 832                                      int num_columns, int num_records,
 833                                      LPWSTR path)
 834 {
 835     UINT r;
 836     int i;
 837     MSIQUERY *view;
 838     MSIRECORD *rec;
 839
 840     static const WCHAR select[] = {
 841         'S','E','L','E','C','T',' ','*',' ',
 842         'F','R','O','M',' ','`','%','s','`',0
 843     };
 844
 845     r = MSI_OpenQuery(db, &view, select, labels[0]);
 846     if (r != ERROR_SUCCESS)
 847         return r;
 848
 849     while (MSI_ViewFetch(view, &rec) != ERROR_NO_MORE_ITEMS)
 850     {
 851         r = MSI_ViewModify(view, MSIMODIFY_DELETE, rec);
 852         msiobj_release(&rec->hdr);
 853         if (r != ERROR_SUCCESS)
 854             goto done;
 855     }
 856
 857     for (i = 0; i < num_records; i++)
 858     {
 859         r = construct_record(num_columns, types, records[i], path, &rec);
 860         if (r != ERROR_SUCCESS)
 861             goto done;
 862
 863         r = MSI_ViewModify(view, MSIMODIFY_INSERT, rec);
 864         if (r != ERROR_SUCCESS)
 865         {
 866             msiobj_release(&rec->hdr);
 867             goto done;
 868         }
 869
 870         msiobj_release(&rec->hdr);
 871     }
 872
 873 done:
 874     msiobj_release(&view->hdr);
 875     return r;
 876 }
 877
 878 static UINT MSI_DatabaseImport(MSIDATABASE *db, LPCWSTR folder, LPCWSTR file)
 879 {
 880     UINT r;
 881     DWORD len, i;
 882     DWORD num_labels, num_types;
 883     DWORD num_columns, num_records = 0;
 884     LPWSTR *columns, *types, *labels;
 885     LPWSTR path, ptr, data;
 886     LPWSTR **records = NULL;
 887     LPWSTR **temp_records;
 888
 889     static const WCHAR suminfo[] =
 890         {'_','S','u','m','m','a','r','y','I','n','f','o','r','m','a','t','i','o','n',0};
 891
 892     TRACE("%p %s %s\n", db, debugstr_w(folder), debugstr_w(file) );
 893
 894     if( folder == NULL || file == NULL )
 895         return ERROR_INVALID_PARAMETER;
 896
 897     len = lstrlenW(folder) + lstrlenW(szBackSlash) + lstrlenW(file) + 1;
 898     path = msi_alloc( len * sizeof(WCHAR) );
 899     if (!path)
 900         return ERROR_OUTOFMEMORY;
 901
 902     lstrcpyW( path, folder );
 903     lstrcatW( path, szBackSlash );
 904     lstrcatW( path, file );
 905
 906     data = msi_read_text_archive( path );
 907
 908     ptr = data;
 909     msi_parse_line( &ptr, &columns, &num_columns );
 910     msi_parse_line( &ptr, &types, &num_types );
 911     msi_parse_line( &ptr, &labels, &num_labels );
 912
 913     if (num_columns != num_types)
 914     {
 915         r = ERROR_FUNCTION_FAILED;
 916         goto done;
 917     }
 918
 919     records = msi_alloc(sizeof(LPWSTR *));
 920     if (!records)
 921     {
 922         r = ERROR_OUTOFMEMORY;
 923         goto done;
 924     }
 925
 926     /* read in the table records */
 927     while (*ptr)
 928     {
 929         msi_parse_line( &ptr, &records[num_records], NULL );
 930
 931         num_records++;
 932         temp_records = msi_realloc(records, (num_records + 1) * sizeof(LPWSTR *));
 933         if (!temp_records)
 934         {
 935             r = ERROR_OUTOFMEMORY;
 936             goto done;
 937         }
 938         records = temp_records;
 939     }
 940
 941     if (!strcmpW(labels[0], suminfo))
 942     {
 943         r = msi_add_suminfo( db, records, num_records, num_columns );
 944         if (r != ERROR_SUCCESS)
 945         {
 946             r = ERROR_FUNCTION_FAILED;
 947             goto done;
 948         }
 949     }
 950     else
 951     {
 952         if (!TABLE_Exists(db, labels[0]))
 953         {
 954             r = msi_add_table_to_db( db, columns, types, labels, num_labels, num_columns );
 955             if (r != ERROR_SUCCESS)
 956             {
 957                 r = ERROR_FUNCTION_FAILED;
 958                 goto done;
 959             }
 960         }
 961
 962         r = msi_add_records_to_table( db, columns, types, labels, records, num_columns, num_records, path );
 963     }
 964
 965 done:
 966     msi_free(path);
 967     msi_free(data);
 968     msi_free(columns);
 969     msi_free(types);
 970     msi_free(labels);
 971
 972     for (i = 0; i < num_records; i++)
 973         msi_free(records[i]);
 974
 975     msi_free(records);
 976
 977     return r;
 978 }
 979
 980 UINT WINAPI MsiDatabaseImportW(MSIHANDLE handle, LPCWSTR szFolder, LPCWSTR szFilename)
 981 {
 982     MSIDATABASE *db;
 983     UINT r;
 984
 985     TRACE("%x %s %s\n",handle,debugstr_w(szFolder), debugstr_w(szFilename));
 986
 987     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
 988     if( !db )
 989     {
 990         IWineMsiRemoteDatabase *remote_database;
 991
 992         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
 993         if ( !remote_database )
 994             return ERROR_INVALID_HANDLE;
 995
 996         IWineMsiRemoteDatabase_Release( remote_database );
 997         WARN("MsiDatabaseImport not allowed during a custom action!\n");
 998
 999         return ERROR_SUCCESS;
1000     }
1001
1002     r = MSI_DatabaseImport( db, szFolder, szFilename );
1003     msiobj_release( &db->hdr );
1004     return r;
1005 }
1006
1007 UINT WINAPI MsiDatabaseImportA( MSIHANDLE handle,
1008                LPCSTR szFolder, LPCSTR szFilename )
1009 {
1010     LPWSTR path = NULL, file = NULL;
1011     UINT r = ERROR_OUTOFMEMORY;
1012
1013     TRACE("%x %s %s\n", handle, debugstr_a(szFolder), debugstr_a(szFilename));
1014
1015     if( szFolder )
1016     {
1017         path = strdupAtoW( szFolder );
1018         if( !path )
1019             goto end;
1020     }
1021
1022     if( szFilename )
1023     {
1024         file = strdupAtoW( szFilename );
1025         if( !file )
1026             goto end;
1027     }
1028
1029     r = MsiDatabaseImportW( handle, path, file );
1030
1031 end:
1032     msi_free( path );
1033     msi_free( file );
1034
1035     return r;
1036 }
1037
1038 static UINT msi_export_record( HANDLE handle, MSIRECORD *row, UINT start )
1039 {
1040     UINT i, count, len, r = ERROR_SUCCESS;
1041     const char *sep;
1042     char *buffer;
1043     DWORD sz;
1044
1045     len = 0x100;
1046     buffer = msi_alloc( len );
1047     if ( !buffer )
1048         return ERROR_OUTOFMEMORY;
1049
1050     count = MSI_RecordGetFieldCount( row );
1051     for ( i=start; i<=count; i++ )
1052     {
1053         sz = len;
1054         r = MSI_RecordGetStringA( row, i, buffer, &sz );
1055         if (r == ERROR_MORE_DATA)
1056         {
1057             char *p = msi_realloc( buffer, sz + 1 );
1058             if (!p)
1059                 break;
1060             len = sz + 1;
1061             buffer = p;
1062         }
1063         sz = len;
1064         r = MSI_RecordGetStringA( row, i, buffer, &sz );
1065         if (r != ERROR_SUCCESS)
1066             break;
1067
1068         if (!WriteFile( handle, buffer, sz, &sz, NULL ))
1069         {
1070             r = ERROR_FUNCTION_FAILED;
1071             break;
1072         }
1073
1074         sep = (i < count) ? "\t" : "\r\n";
1075         if (!WriteFile( handle, sep, strlen(sep), &sz, NULL ))
1076         {
1077             r = ERROR_FUNCTION_FAILED;
1078             break;
1079         }
1080     }
1081     msi_free( buffer );
1082     return r;
1083 }
1084
1085 static UINT msi_export_row( MSIRECORD *row, void *arg )
1086 {
1087     return msi_export_record( arg, row, 1 );
1088 }
1089
1090 static UINT msi_export_forcecodepage( HANDLE handle )
1091 {
1092     DWORD sz;
1093
1094     static const char data[] = "\r\n\r\n0\t_ForceCodepage\r\n";
1095
1096     FIXME("Read the codepage from the strings table!\n");
1097
1098     sz = lstrlenA(data) + 1;
1099     if (!WriteFile(handle, data, sz, &sz, NULL))
1100         return ERROR_FUNCTION_FAILED;
1101
1102     return ERROR_SUCCESS;
1103 }
1104
1105 static UINT MSI_DatabaseExport( MSIDATABASE *db, LPCWSTR table,
1106                LPCWSTR folder, LPCWSTR file )
1107 {
1108     static const WCHAR query[] = {
1109         's','e','l','e','c','t',' ','*',' ','f','r','o','m',' ','%','s',0 };
1110     static const WCHAR forcecodepage[] = {
1111         '_','F','o','r','c','e','C','o','d','e','p','a','g','e',0 };
1112     MSIRECORD *rec = NULL;
1113     MSIQUERY *view = NULL;
1114     LPWSTR filename;
1115     HANDLE handle;
1116     UINT len, r;
1117
1118     TRACE("%p %s %s %s\n", db, debugstr_w(table),
1119           debugstr_w(folder), debugstr_w(file) );
1120
1121     if( folder == NULL || file == NULL )
1122         return ERROR_INVALID_PARAMETER;
1123
1124     len = lstrlenW(folder) + lstrlenW(file) + 2;
1125     filename = msi_alloc(len * sizeof (WCHAR));
1126     if (!filename)
1127         return ERROR_OUTOFMEMORY;
1128
1129     lstrcpyW( filename, folder );
1130     lstrcatW( filename, szBackSlash );
1131     lstrcatW( filename, file );
1132
1133     handle = CreateFileW( filename, GENERIC_READ | GENERIC_WRITE, 0,
1134                           NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
1135     msi_free( filename );
1136     if (handle == INVALID_HANDLE_VALUE)
1137         return ERROR_FUNCTION_FAILED;
1138
1139     if (!lstrcmpW( table, forcecodepage ))
1140     {
1141         r = msi_export_forcecodepage( handle );
1142         goto done;
1143     }
1144
1145     r = MSI_OpenQuery( db, &view, query, table );
1146     if (r == ERROR_SUCCESS)
1147     {
1148         /* write out row 1, the column names */
1149         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_NAMES, &rec);
1150         if (r == ERROR_SUCCESS)
1151         {
1152             msi_export_record( handle, rec, 1 );
1153             msiobj_release( &rec->hdr );
1154         }
1155
1156         /* write out row 2, the column types */
1157         r = MSI_ViewGetColumnInfo(view, MSICOLINFO_TYPES, &rec);
1158         if (r == ERROR_SUCCESS)
1159         {
1160             msi_export_record( handle, rec, 1 );
1161             msiobj_release( &rec->hdr );
1162         }
1163
1164         /* write out row 3, the table name + keys */
1165         r = MSI_DatabaseGetPrimaryKeys( db, table, &rec );
1166         if (r == ERROR_SUCCESS)
1167         {
1168             MSI_RecordSetStringW( rec, 0, table );
1169             msi_export_record( handle, rec, 0 );
1170             msiobj_release( &rec->hdr );
1171         }
1172
1173         /* write out row 4 onwards, the data */
1174         r = MSI_IterateRecords( view, 0, msi_export_row, handle );
1175         msiobj_release( &view->hdr );
1176     }
1177
1178 done:
1179     CloseHandle( handle );
1180     return r;
1181 }
1182
1183 /***********************************************************************
1184  * MsiExportDatabaseW        [MSI.@]
1185  *
1186  * Writes a file containing the table data as tab separated ASCII.
1187  *
1188  * The format is as follows:
1189  *
1190  * row1 : colname1 <tab> colname2 <tab> .... colnameN <cr> <lf>
1191  * row2 : coltype1 <tab> coltype2 <tab> .... coltypeN <cr> <lf>
1192  * row3 : tablename <tab> key1 <tab> key2 <tab> ... keyM <cr> <lf>
1193  *
1194  * Followed by the data, starting at row 1 with one row per line
1195  *
1196  * row4 : data <tab> data <tab> data <tab> ... data <cr> <lf>
1197  */
1198 UINT WINAPI MsiDatabaseExportW( MSIHANDLE handle, LPCWSTR szTable,
1199                LPCWSTR szFolder, LPCWSTR szFilename )
1200 {
1201     MSIDATABASE *db;
1202     UINT r;
1203
1204     TRACE("%x %s %s %s\n", handle, debugstr_w(szTable),
1205           debugstr_w(szFolder), debugstr_w(szFilename));
1206
1207     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
1208     if( !db )
1209     {
1210         IWineMsiRemoteDatabase *remote_database;
1211
1212         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
1213         if ( !remote_database )
1214             return ERROR_INVALID_HANDLE;
1215
1216         IWineMsiRemoteDatabase_Release( remote_database );
1217         WARN("MsiDatabaseExport not allowed during a custom action!\n");
1218
1219         return ERROR_SUCCESS;
1220     }
1221
1222     r = MSI_DatabaseExport( db, szTable, szFolder, szFilename );
1223     msiobj_release( &db->hdr );
1224     return r;
1225 }
1226
1227 UINT WINAPI MsiDatabaseExportA( MSIHANDLE handle, LPCSTR szTable,
1228                LPCSTR szFolder, LPCSTR szFilename )
1229 {
1230     LPWSTR path = NULL, file = NULL, table = NULL;
1231     UINT r = ERROR_OUTOFMEMORY;
1232
1233     TRACE("%x %s %s %s\n", handle, debugstr_a(szTable),
1234           debugstr_a(szFolder), debugstr_a(szFilename));
1235
1236     if( szTable )
1237     {
1238         table = strdupAtoW( szTable );
1239         if( !table )
1240             goto end;
1241     }
1242
1243     if( szFolder )
1244     {
1245         path = strdupAtoW( szFolder );
1246         if( !path )
1247             goto end;
1248     }
1249
1250     if( szFilename )
1251     {
1252         file = strdupAtoW( szFilename );
1253         if( !file )
1254             goto end;
1255     }
1256
1257     r = MsiDatabaseExportW( handle, table, path, file );
1258
1259 end:
1260     msi_free( table );
1261     msi_free( path );
1262     msi_free( file );
1263
1264     return r;
1265 }
1266
1267 UINT WINAPI MsiDatabaseMergeA(MSIHANDLE hDatabase, MSIHANDLE hDatabaseMerge,
1268                               LPCSTR szTableName)
1269 {
1270     UINT r;
1271     LPWSTR table;
1272
1273     TRACE("(%d, %d, %s)\n", hDatabase, hDatabaseMerge,
1274           debugstr_a(szTableName));
1275
1276     table = strdupAtoW(szTableName);
1277     r = MsiDatabaseMergeW(hDatabase, hDatabaseMerge, table);
1278
1279     msi_free(table);
1280     return r;
1281 }
1282
1283 typedef struct _tagMERGETABLE
1284 {
1285     struct list entry;
1286     struct list rows;
1287     LPWSTR name;
1288     DWORD numconflicts;
1289     LPWSTR *columns;
1290     DWORD numcolumns;
1291     LPWSTR *types;
1292     DWORD numtypes;
1293     LPWSTR *labels;
1294     DWORD numlabels;
1295 } MERGETABLE;
1296
1297 typedef struct _tagMERGEROW
1298 {
1299     struct list entry;
1300     MSIRECORD *data;
1301 } MERGEROW;
1302
1303 typedef struct _tagMERGEDATA
1304 {
1305     MSIDATABASE *db;
1306     MSIDATABASE *merge;
1307     MERGETABLE *curtable;
1308     MSIQUERY *curview;
1309     struct list *tabledata;
1310 } MERGEDATA;
1311
1312 static BOOL merge_type_match(LPCWSTR type1, LPCWSTR type2)
1313 {
1314     if (((type1[0] == 'l') || (type1[0] == 's')) &&
1315         ((type2[0] == 'l') || (type2[0] == 's')))
1316         return TRUE;
1317
1318     if (((type1[0] == 'L') || (type1[0] == 'S')) &&
1319         ((type2[0] == 'L') || (type2[0] == 'S')))
1320         return TRUE;
1321
1322     return !lstrcmpW(type1, type2);
1323 }
1324
1325 static UINT merge_verify_colnames(MSIQUERY *dbview, MSIQUERY *mergeview)
1326 {
1327     MSIRECORD *dbrec, *mergerec;
1328     UINT r, i, count;
1329
1330     r = MSI_ViewGetColumnInfo(dbview, MSICOLINFO_NAMES, &dbrec);
1331     if (r != ERROR_SUCCESS)
1332         return r;
1333
1334     r = MSI_ViewGetColumnInfo(mergeview, MSICOLINFO_NAMES, &mergerec);
1335     if (r != ERROR_SUCCESS)
1336         return r;
1337
1338     count = MSI_RecordGetFieldCount(dbrec);
1339     for (i = 1; i <= count; i++)
1340     {
1341         if (!MSI_RecordGetString(mergerec, i))
1342             break;
1343
1344         if (lstrcmpW(MSI_RecordGetString(dbrec, i),
1345                      MSI_RecordGetString(mergerec, i)))
1346         {
1347             r = ERROR_DATATYPE_MISMATCH;
1348             goto done;
1349         }
1350     }
1351
1352     msiobj_release(&dbrec->hdr);
1353     msiobj_release(&mergerec->hdr);
1354     dbrec = mergerec = NULL;
1355
1356     r = MSI_ViewGetColumnInfo(dbview, MSICOLINFO_TYPES, &dbrec);
1357     if (r != ERROR_SUCCESS)
1358         return r;
1359
1360     r = MSI_ViewGetColumnInfo(mergeview, MSICOLINFO_TYPES, &mergerec);
1361     if (r != ERROR_SUCCESS)
1362         return r;
1363
1364     count = MSI_RecordGetFieldCount(dbrec);
1365     for (i = 1; i <= count; i++)
1366     {
1367         if (!MSI_RecordGetString(mergerec, i))
1368             break;
1369
1370         if (!merge_type_match(MSI_RecordGetString(dbrec, i),
1371                      MSI_RecordGetString(mergerec, i)))
1372         {
1373             r = ERROR_DATATYPE_MISMATCH;
1374             break;
1375         }
1376     }
1377
1378 done:
1379     msiobj_release(&dbrec->hdr);
1380     msiobj_release(&mergerec->hdr);
1381
1382     return r;
1383 }
1384
1385 static UINT merge_verify_primary_keys(MSIDATABASE *db, MSIDATABASE *mergedb,
1386                                       LPCWSTR table)
1387 {
1388     MSIRECORD *dbrec, *mergerec = NULL;
1389     UINT r, i, count;
1390
1391     r = MSI_DatabaseGetPrimaryKeys(db, table, &dbrec);
1392     if (r != ERROR_SUCCESS)
1393         return r;
1394
1395     r = MSI_DatabaseGetPrimaryKeys(mergedb, table, &mergerec);
1396     if (r != ERROR_SUCCESS)
1397         goto done;
1398
1399     count = MSI_RecordGetFieldCount(dbrec);
1400     if (count != MSI_RecordGetFieldCount(mergerec))
1401     {
1402         r = ERROR_DATATYPE_MISMATCH;
1403         goto done;
1404     }
1405
1406     for (i = 1; i <= count; i++)
1407     {
1408         if (lstrcmpW(MSI_RecordGetString(dbrec, i),
1409                      MSI_RecordGetString(mergerec, i)))
1410         {
1411             r = ERROR_DATATYPE_MISMATCH;
1412             goto done;
1413         }
1414     }
1415
1416 done:
1417     msiobj_release(&dbrec->hdr);
1418     msiobj_release(&mergerec->hdr);
1419
1420     return r;
1421 }
1422
1423 static LPWSTR get_key_value(MSIQUERY *view, LPCWSTR key, MSIRECORD *rec)
1424 {
1425     MSIRECORD *colnames;
1426     LPWSTR str, val;
1427     UINT r, i = 0, sz = 0;
1428     int cmp;
1429
1430     r = MSI_ViewGetColumnInfo(view, MSICOLINFO_NAMES, &colnames);
1431     if (r != ERROR_SUCCESS)
1432         return NULL;
1433
1434     do
1435     {
1436         str = msi_dup_record_field(colnames, ++i);
1437         cmp = lstrcmpW(key, str);
1438         msi_free(str);
1439     } while (cmp);
1440
1441     msiobj_release(&colnames->hdr);
1442
1443     r = MSI_RecordGetStringW(rec, i, NULL, &sz);
1444     if (r != ERROR_SUCCESS)
1445         return NULL;
1446     sz++;
1447
1448     if (MSI_RecordGetString(rec, i))  /* check record field is a string */
1449     {
1450         /* quote string record fields */
1451         const WCHAR szQuote[] = {'\'', 0};
1452         sz += 2;
1453         val = msi_alloc(sz*sizeof(WCHAR));
1454         if (!val)
1455             return NULL;
1456
1457         lstrcpyW(val, szQuote);
1458         r = MSI_RecordGetStringW(rec, i, val+1, &sz);
1459         lstrcpyW(val+1+sz, szQuote);
1460     }
1461     else
1462     {
1463         /* do not quote integer record fields */
1464         val = msi_alloc(sz*sizeof(WCHAR));
1465         if (!val)
1466             return NULL;
1467
1468         r = MSI_RecordGetStringW(rec, i, val, &sz);
1469     }
1470
1471     if (r != ERROR_SUCCESS)
1472     {
1473         ERR("failed to get string!\n");
1474         msi_free(val);
1475         return NULL;
1476     }
1477
1478     return val;
1479 }
1480
1481 static LPWSTR create_diff_row_query(MSIDATABASE *merge, MSIQUERY *view,
1482                                     LPWSTR table, MSIRECORD *rec)
1483 {
1484     LPWSTR query = NULL, clause = NULL;
1485     LPWSTR ptr = NULL, val;
1486     LPCWSTR setptr;
1487     DWORD size = 1, oldsize;
1488     LPCWSTR key;
1489     MSIRECORD *keys;
1490     UINT r, i, count;
1491
1492     static const WCHAR keyset[] = {
1493         '`','%','s','`',' ','=',' ','%','s',' ','A','N','D',' ',0};
1494     static const WCHAR lastkeyset[] = {
1495         '`','%','s','`',' ','=',' ','%','s',' ',0};
1496     static const WCHAR fmt[] = {'S','E','L','E','C','T',' ','*',' ',
1497         'F','R','O','M',' ','`','%','s','`',' ',
1498         'W','H','E','R','E',' ','%','s',0};
1499
1500     r = MSI_DatabaseGetPrimaryKeys(merge, table, &keys);
1501     if (r != ERROR_SUCCESS)
1502         return NULL;
1503
1504     clause = msi_alloc_zero(size * sizeof(WCHAR));
1505     if (!clause)
1506         goto done;
1507
1508     ptr = clause;
1509     count = MSI_RecordGetFieldCount(keys);
1510     for (i = 1; i <= count; i++)
1511     {
1512         key = MSI_RecordGetString(keys, i);
1513         val = get_key_value(view, key, rec);
1514
1515         if (i == count)
1516             setptr = lastkeyset;
1517         else
1518             setptr = keyset;
1519
1520         oldsize = size;
1521         size += lstrlenW(setptr) + lstrlenW(key) + lstrlenW(val) - 4;
1522         clause = msi_realloc(clause, size * sizeof (WCHAR));
1523         if (!clause)
1524         {
1525             msi_free(val);
1526             goto done;
1527         }
1528
1529         ptr = clause + oldsize - 1;
1530         sprintfW(ptr, setptr, key, val);
1531         msi_free(val);
1532     }
1533
1534     size = lstrlenW(fmt) + lstrlenW(table) + lstrlenW(clause) + 1;
1535     query = msi_alloc(size * sizeof(WCHAR));
1536     if (!query)
1537         goto done;
1538
1539     sprintfW(query, fmt, table, clause);
1540
1541 done:
1542     msi_free(clause);
1543     msiobj_release(&keys->hdr);
1544     return query;
1545 }
1546
1547 static UINT merge_diff_row(MSIRECORD *rec, LPVOID param)
1548 {
1549     MERGEDATA *data = param;
1550     MERGETABLE *table = data->curtable;
1551     MERGEROW *mergerow;
1552     MSIQUERY *dbview = NULL;
1553     MSIRECORD *row = NULL;
1554     LPWSTR query = NULL;
1555     UINT r = ERROR_SUCCESS;
1556
1557     if (TABLE_Exists(data->db, table->name))
1558     {
1559         query = create_diff_row_query(data->merge, data->curview, table->name, rec);
1560         if (!query)
1561             return ERROR_OUTOFMEMORY;
1562
1563         r = MSI_DatabaseOpenViewW(data->db, query, &dbview);
1564         if (r != ERROR_SUCCESS)
1565             goto done;
1566
1567         r = MSI_ViewExecute(dbview, NULL);
1568         if (r != ERROR_SUCCESS)
1569             goto done;
1570
1571         r = MSI_ViewFetch(dbview, &row);
1572         if (r == ERROR_SUCCESS && !MSI_RecordsAreEqual(rec, row))
1573         {
1574             table->numconflicts++;
1575             goto done;
1576         }
1577         else if (r != ERROR_NO_MORE_ITEMS)
1578             goto done;
1579
1580         r = ERROR_SUCCESS;
1581     }
1582
1583     mergerow = msi_alloc(sizeof(MERGEROW));
1584     if (!mergerow)
1585     {
1586         r = ERROR_OUTOFMEMORY;
1587         goto done;
1588     }
1589
1590     mergerow->data = MSI_CloneRecord(rec);
1591     if (!mergerow->data)
1592     {
1593         r = ERROR_OUTOFMEMORY;
1594         msi_free(mergerow);
1595         goto done;
1596     }
1597
1598     list_add_tail(&table->rows, &mergerow->entry);
1599
1600 done:
1601     msi_free(query);
1602     msiobj_release(&row->hdr);
1603     msiobj_release(&dbview->hdr);
1604     return r;
1605 }
1606
1607 static UINT msi_get_table_labels(MSIDATABASE *db, LPCWSTR table, LPWSTR **labels, DWORD *numlabels)
1608 {
1609     UINT r, i, count;
1610     MSIRECORD *prec = NULL;
1611
1612     r = MSI_DatabaseGetPrimaryKeys(db, table, &prec);
1613     if (r != ERROR_SUCCESS)
1614         return r;
1615
1616     count = MSI_RecordGetFieldCount(prec);
1617     *numlabels = count + 1;
1618     *labels = msi_alloc((*numlabels)*sizeof(LPWSTR));
1619     if (!*labels)
1620     {
1621         r = ERROR_OUTOFMEMORY;
1622         goto end;
1623     }
1624
1625     (*labels)[0] = strdupW(table);
1626     for (i=1; i<=count; i++ )
1627     {
1628         (*labels)[i] = strdupW(MSI_RecordGetString(prec, i));
1629     }
1630
1631 end:
1632     msiobj_release( &prec->hdr );
1633     return r;
1634 }
1635
1636 static UINT msi_get_query_columns(MSIQUERY *query, LPWSTR **columns, DWORD *numcolumns)
1637 {
1638     UINT r, i, count;
1639     MSIRECORD *prec = NULL;
1640
1641     r = MSI_ViewGetColumnInfo(query, MSICOLINFO_NAMES, &prec);
1642     if (r != ERROR_SUCCESS)
1643         return r;
1644
1645     count = MSI_RecordGetFieldCount(prec);
1646     *columns = msi_alloc(count*sizeof(LPWSTR));
1647     if (!*columns)
1648     {
1649         r = ERROR_OUTOFMEMORY;
1650         goto end;
1651     }
1652
1653     for (i=1; i<=count; i++ )
1654     {
1655         (*columns)[i-1] = strdupW(MSI_RecordGetString(prec, i));
1656     }
1657
1658     *numcolumns = count;
1659
1660 end:
1661     msiobj_release( &prec->hdr );
1662     return r;
1663 }
1664
1665 static UINT msi_get_query_types(MSIQUERY *query, LPWSTR **types, DWORD *numtypes)
1666 {
1667     UINT r, i, count;
1668     MSIRECORD *prec = NULL;
1669
1670     r = MSI_ViewGetColumnInfo(query, MSICOLINFO_TYPES, &prec);
1671     if (r != ERROR_SUCCESS)
1672         return r;
1673
1674     count = MSI_RecordGetFieldCount(prec);
1675     *types = msi_alloc(count*sizeof(LPWSTR));
1676     if (!*types)
1677     {
1678         r = ERROR_OUTOFMEMORY;
1679         goto end;
1680     }
1681
1682     *numtypes = count;
1683     for (i=1; i<=count; i++ )
1684     {
1685         (*types)[i-1] = strdupW(MSI_RecordGetString(prec, i));
1686     }
1687
1688 end:
1689     msiobj_release( &prec->hdr );
1690     return r;
1691 }
1692
1693 static void merge_free_rows(MERGETABLE *table)
1694 {
1695     struct list *item, *cursor;
1696
1697     LIST_FOR_EACH_SAFE(item, cursor, &table->rows)
1698     {
1699         MERGEROW *row = LIST_ENTRY(item, MERGEROW, entry);
1700
1701         list_remove(&row->entry);
1702         msiobj_release(&row->data->hdr);
1703         msi_free(row);
1704     }
1705 }
1706
1707 static void free_merge_table(MERGETABLE *table)
1708 {
1709     UINT i;
1710
1711     if (table->labels != NULL)
1712     {
1713         for (i = 0; i < table->numlabels; i++)
1714             msi_free(table->labels[i]);
1715
1716         msi_free(table->labels);
1717     }
1718
1719     if (table->columns != NULL)
1720     {
1721         for (i = 0; i < table->numcolumns; i++)
1722             msi_free(table->columns[i]);
1723
1724         msi_free(table->columns);
1725     }
1726
1727     if (table->types != NULL)
1728     {
1729         for (i = 0; i < table->numtypes; i++)
1730             msi_free(table->types[i]);
1731
1732         msi_free(table->types);
1733     }
1734
1735     msi_free(table->name);
1736     merge_free_rows(table);
1737
1738     msi_free(table);
1739 }
1740
1741 static UINT msi_get_merge_table (MSIDATABASE *db, LPCWSTR name, MERGETABLE **ptable)
1742 {
1743     UINT r;
1744     MERGETABLE *table;
1745     MSIQUERY *mergeview = NULL;
1746
1747     static const WCHAR query[] = {'S','E','L','E','C','T',' ','*',' ',
1748         'F','R','O','M',' ','`','%','s','`',0};
1749
1750     table = msi_alloc_zero(sizeof(MERGETABLE));
1751     if (!table)
1752     {
1753        *ptable = NULL;
1754        return ERROR_OUTOFMEMORY;
1755     }
1756
1757     r = msi_get_table_labels(db, name, &table->labels, &table->numlabels);
1758     if (r != ERROR_SUCCESS)
1759         goto err;
1760
1761     r = MSI_OpenQuery(db, &mergeview, query, name);
1762     if (r != ERROR_SUCCESS)
1763         goto err;
1764
1765     r = msi_get_query_columns(mergeview, &table->columns, &table->numcolumns);
1766     if (r != ERROR_SUCCESS)
1767         goto err;
1768
1769     r = msi_get_query_types(mergeview, &table->types, &table->numtypes);
1770     if (r != ERROR_SUCCESS)
1771         goto err;
1772
1773     list_init(&table->rows);
1774
1775     table->name = strdupW(name);
1776     table->numconflicts = 0;
1777
1778     msiobj_release(&mergeview->hdr);
1779     *ptable = table;
1780     return ERROR_SUCCESS;
1781
1782 err:
1783     msiobj_release(&mergeview->hdr);
1784     free_merge_table(table);
1785     *ptable = NULL;
1786     return r;
1787 }
1788
1789 static UINT merge_diff_tables(MSIRECORD *rec, LPVOID param)
1790 {
1791     MERGEDATA *data = param;
1792     MERGETABLE *table;
1793     MSIQUERY *dbview = NULL;
1794     MSIQUERY *mergeview = NULL;
1795     LPCWSTR name;
1796     UINT r;
1797
1798     static const WCHAR query[] = {'S','E','L','E','C','T',' ','*',' ',
1799         'F','R','O','M',' ','`','%','s','`',0};
1800
1801     name = MSI_RecordGetString(rec, 1);
1802
1803     r = MSI_OpenQuery(data->merge, &mergeview, query, name);
1804     if (r != ERROR_SUCCESS)
1805         goto done;
1806
1807     if (TABLE_Exists(data->db, name))
1808     {
1809         r = MSI_OpenQuery(data->db, &dbview, query, name);
1810         if (r != ERROR_SUCCESS)
1811             goto done;
1812
1813         r = merge_verify_colnames(dbview, mergeview);
1814         if (r != ERROR_SUCCESS)
1815             goto done;
1816
1817         r = merge_verify_primary_keys(data->db, data->merge, name);
1818         if (r != ERROR_SUCCESS)
1819             goto done;
1820     }
1821
1822     r = msi_get_merge_table(data->merge, name, &table);
1823     if (r != ERROR_SUCCESS)
1824         goto done;
1825
1826     data->curtable = table;
1827     data->curview = mergeview;
1828     r = MSI_IterateRecords(mergeview, NULL, merge_diff_row, data);
1829     if (r != ERROR_SUCCESS)
1830     {
1831         free_merge_table(table);
1832         goto done;
1833     }
1834
1835     list_add_tail(data->tabledata, &table->entry);
1836
1837 done:
1838     msiobj_release(&dbview->hdr);
1839     msiobj_release(&mergeview->hdr);
1840     return r;
1841 }
1842
1843 static UINT gather_merge_data(MSIDATABASE *db, MSIDATABASE *merge,
1844                               struct list *tabledata)
1845 {
1846     UINT r;
1847     MSIQUERY *view;
1848     MERGEDATA data;
1849
1850     static const WCHAR query[] = {'S','E','L','E','C','T',' ','*',' ',
1851         'F','R','O','M',' ','`','_','T','a','b','l','e','s','`',0};
1852
1853     r = MSI_DatabaseOpenViewW(merge, query, &view);
1854     if (r != ERROR_SUCCESS)
1855         return r;
1856
1857     data.db = db;
1858     data.merge = merge;
1859     data.tabledata = tabledata;
1860     r = MSI_IterateRecords(view, NULL, merge_diff_tables, &data);
1861
1862     msiobj_release(&view->hdr);
1863     return r;
1864 }
1865
1866 static UINT merge_table(MSIDATABASE *db, MERGETABLE *table)
1867 {
1868     UINT r;
1869     MERGEROW *row;
1870     MSIVIEW *tv;
1871
1872     if (!TABLE_Exists(db, table->name))
1873     {
1874         r = msi_add_table_to_db(db, table->columns, table->types,
1875                table->labels, table->numlabels, table->numcolumns);
1876         if (r != ERROR_SUCCESS)
1877            return ERROR_FUNCTION_FAILED;
1878     }
1879
1880     LIST_FOR_EACH_ENTRY(row, &table->rows, MERGEROW, entry)
1881     {
1882         r = TABLE_CreateView(db, table->name, &tv);
1883         if (r != ERROR_SUCCESS)
1884             return r;
1885
1886         r = tv->ops->insert_row(tv, row->data, -1, FALSE);
1887         tv->ops->delete(tv);
1888
1889         if (r != ERROR_SUCCESS)
1890             return r;
1891     }
1892
1893     return ERROR_SUCCESS;
1894 }
1895
1896 static UINT update_merge_errors(MSIDATABASE *db, LPCWSTR error,
1897                                 LPWSTR table, DWORD numconflicts)
1898 {
1899     UINT r;
1900     MSIQUERY *view;
1901
1902     static const WCHAR create[] = {
1903         'C','R','E','A','T','E',' ','T','A','B','L','E',' ',
1904         '`','%','s','`',' ','(','`','T','a','b','l','e','`',' ',
1905         'C','H','A','R','(','2','5','5',')',' ','N','O','T',' ',
1906         'N','U','L','L',',',' ','`','N','u','m','R','o','w','M','e','r','g','e',
1907         'C','o','n','f','l','i','c','t','s','`',' ','S','H','O','R','T',' ',
1908         'N','O','T',' ','N','U','L','L',' ','P','R','I','M','A','R','Y',' ',
1909         'K','E','Y',' ','`','T','a','b','l','e','`',')',0};
1910     static const WCHAR insert[] = {
1911         'I','N','S','E','R','T',' ','I','N','T','O',' ',
1912         '`','%','s','`',' ','(','`','T','a','b','l','e','`',',',' ',
1913         '`','N','u','m','R','o','w','M','e','r','g','e',
1914         'C','o','n','f','l','i','c','t','s','`',')',' ','V','A','L','U','E','S',
1915         ' ','(','\'','%','s','\'',',',' ','%','d',')',0};
1916
1917     if (!TABLE_Exists(db, error))
1918     {
1919         r = MSI_OpenQuery(db, &view, create, error);
1920         if (r != ERROR_SUCCESS)
1921             return r;
1922
1923         r = MSI_ViewExecute(view, NULL);
1924         msiobj_release(&view->hdr);
1925         if (r != ERROR_SUCCESS)
1926             return r;
1927     }
1928
1929     r = MSI_OpenQuery(db, &view, insert, error, table, numconflicts);
1930     if (r != ERROR_SUCCESS)
1931         return r;
1932
1933     r = MSI_ViewExecute(view, NULL);
1934     msiobj_release(&view->hdr);
1935     return r;
1936 }
1937
1938 UINT WINAPI MsiDatabaseMergeW(MSIHANDLE hDatabase, MSIHANDLE hDatabaseMerge,
1939                               LPCWSTR szTableName)
1940 {
1941     struct list tabledata = LIST_INIT(tabledata);
1942     struct list *item, *cursor;
1943     MSIDATABASE *db, *merge;
1944     MERGETABLE *table;
1945     BOOL conflicts;
1946     UINT r;
1947
1948     TRACE("(%d, %d, %s)\n", hDatabase, hDatabaseMerge,
1949           debugstr_w(szTableName));
1950
1951     if (szTableName && !*szTableName)
1952         return ERROR_INVALID_TABLE;
1953
1954     db = msihandle2msiinfo(hDatabase, MSIHANDLETYPE_DATABASE);
1955     merge = msihandle2msiinfo(hDatabaseMerge, MSIHANDLETYPE_DATABASE);
1956     if (!db || !merge)
1957     {
1958         r = ERROR_INVALID_HANDLE;
1959         goto done;
1960     }
1961
1962     r = gather_merge_data(db, merge, &tabledata);
1963     if (r != ERROR_SUCCESS)
1964         goto done;
1965
1966     conflicts = FALSE;
1967     LIST_FOR_EACH_ENTRY(table, &tabledata, MERGETABLE, entry)
1968     {
1969         if (table->numconflicts)
1970         {
1971             conflicts = TRUE;
1972
1973             r = update_merge_errors(db, szTableName, table->name,
1974                                     table->numconflicts);
1975             if (r != ERROR_SUCCESS)
1976                 break;
1977         }
1978         else
1979         {
1980             r = merge_table(db, table);
1981             if (r != ERROR_SUCCESS)
1982                 break;
1983         }
1984     }
1985
1986     LIST_FOR_EACH_SAFE(item, cursor, &tabledata)
1987     {
1988         MERGETABLE *table = LIST_ENTRY(item, MERGETABLE, entry);
1989         list_remove(&table->entry);
1990         free_merge_table(table);
1991     }
1992
1993     if (conflicts)
1994         r = ERROR_FUNCTION_FAILED;
1995
1996 done:
1997     msiobj_release(&db->hdr);
1998     msiobj_release(&merge->hdr);
1999     return r;
2000 }
2001
2002 MSIDBSTATE WINAPI MsiGetDatabaseState( MSIHANDLE handle )
2003 {
2004     MSIDBSTATE ret = MSIDBSTATE_READ;
2005     MSIDATABASE *db;
2006
2007     TRACE("%d\n", handle);
2008
2009     db = msihandle2msiinfo( handle, MSIHANDLETYPE_DATABASE );
2010     if( !db )
2011     {
2012         IWineMsiRemoteDatabase *remote_database;
2013
2014         remote_database = (IWineMsiRemoteDatabase *)msi_get_remote( handle );
2015         if ( !remote_database )
2016             return MSIDBSTATE_ERROR;
2017
2018         IWineMsiRemoteDatabase_Release( remote_database );
2019         WARN("MsiGetDatabaseState not allowed during a custom action!\n");
2020
2021         return MSIDBSTATE_READ;
2022     }
2023
2024     if (db->mode != MSIDBOPEN_READONLY )
2025         ret = MSIDBSTATE_WRITE;
2026     msiobj_release( &db->hdr );
2027
2028     return ret;
2029 }
2030
2031 typedef struct _msi_remote_database_impl {
2032     const IWineMsiRemoteDatabaseVtbl *lpVtbl;
2033     MSIHANDLE database;
2034     LONG refs;
2035 } msi_remote_database_impl;
2036
2037 static inline msi_remote_database_impl* mrd_from_IWineMsiRemoteDatabase( IWineMsiRemoteDatabase* iface )
2038 {
2039     return (msi_remote_database_impl *)iface;
2040 }
2041
2042 static HRESULT WINAPI mrd_QueryInterface( IWineMsiRemoteDatabase *iface,
2043                                           REFIID riid,LPVOID *ppobj)
2044 {
2045     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
2046         IsEqualCLSID( riid, &IID_IWineMsiRemoteDatabase ) )
2047     {
2048         IUnknown_AddRef( iface );
2049         *ppobj = iface;
2050         return S_OK;
2051     }
2052
2053     return E_NOINTERFACE;
2054 }
2055
2056 static ULONG WINAPI mrd_AddRef( IWineMsiRemoteDatabase *iface )
2057 {
2058     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
2059
2060     return InterlockedIncrement( &This->refs );
2061 }
2062
2063 static ULONG WINAPI mrd_Release( IWineMsiRemoteDatabase *iface )
2064 {
2065     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
2066     ULONG r;
2067
2068     r = InterlockedDecrement( &This->refs );
2069     if (r == 0)
2070     {
2071         MsiCloseHandle( This->database );
2072         msi_free( This );
2073     }
2074     return r;
2075 }
2076
2077 static HRESULT WINAPI mrd_IsTablePersistent( IWineMsiRemoteDatabase *iface,
2078                                              LPCWSTR table, MSICONDITION *persistent )
2079 {
2080     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
2081     *persistent = MsiDatabaseIsTablePersistentW(This->database, table);
2082     return S_OK;
2083 }
2084
2085 static HRESULT WINAPI mrd_GetPrimaryKeys( IWineMsiRemoteDatabase *iface,
2086                                           LPCWSTR table, MSIHANDLE *keys )
2087 {
2088     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
2089     UINT r = MsiDatabaseGetPrimaryKeysW(This->database, table, keys);
2090     return HRESULT_FROM_WIN32(r);
2091 }
2092
2093 static HRESULT WINAPI mrd_GetSummaryInformation( IWineMsiRemoteDatabase *iface,
2094                                                 UINT updatecount, MSIHANDLE *suminfo )
2095 {
2096     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
2097     UINT r = MsiGetSummaryInformationW(This->database, NULL, updatecount, suminfo);
2098     return HRESULT_FROM_WIN32(r);
2099 }
2100
2101 static HRESULT WINAPI mrd_OpenView( IWineMsiRemoteDatabase *iface,
2102                                     LPCWSTR query, MSIHANDLE *view )
2103 {
2104     msi_remote_database_impl *This = mrd_from_IWineMsiRemoteDatabase( iface );
2105     UINT r = MsiDatabaseOpenViewW(This->database, query, view);
2106     return HRESULT_FROM_WIN32(r);
2107 }
2108
2109 static HRESULT WINAPI mrd_SetMsiHandle( IWineMsiRemoteDatabase *iface, MSIHANDLE handle )
2110 {
2111     msi_remote_database_impl* This = mrd_from_IWineMsiRemoteDatabase( iface );
2112     This->database = handle;
2113     return S_OK;
2114 }
2115
2116 static const IWineMsiRemoteDatabaseVtbl msi_remote_database_vtbl =
2117 {
2118     mrd_QueryInterface,
2119     mrd_AddRef,
2120     mrd_Release,
2121     mrd_IsTablePersistent,
2122     mrd_GetPrimaryKeys,
2123     mrd_GetSummaryInformation,
2124     mrd_OpenView,
2125     mrd_SetMsiHandle,
2126 };
2127
2128 HRESULT create_msi_remote_database( IUnknown *pOuter, LPVOID *ppObj )
2129 {
2130     msi_remote_database_impl *This;
2131
2132     This = msi_alloc( sizeof *This );
2133     if (!This)
2134         return E_OUTOFMEMORY;
2135
2136     This->lpVtbl = &msi_remote_database_vtbl;
2137     This->database = 0;
2138     This->refs = 1;
2139
2140     *ppObj = This;
2141
2142     return S_OK;
2143 }