2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2002-2005 Mike McCormack for CodeWeavers
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.
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.
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
25 #define NONAMELESSUNION
26 #define NONAMELESSSTRUCT
39 #include "wine/debug.h"
40 #include "wine/unicode.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
44 #define MSITABLE_HASH_TABLE_SIZE 37
46 typedef struct tagMSICOLUMNHASHENTRY
48 struct tagMSICOLUMNHASHENTRY *next;
53 typedef struct tagMSICOLUMNINFO
62 MSICOLUMNHASHENTRY **hash_table;
65 typedef struct tagMSIORDERINFO
75 BOOL *data_persistent;
78 MSICOLUMNINFO *colinfo;
80 MSICONDITION persistent;
85 static const WCHAR szStringData[] = {
86 '_','S','t','r','i','n','g','D','a','t','a',0 };
87 static const WCHAR szStringPool[] = {
88 '_','S','t','r','i','n','g','P','o','o','l',0 };
90 /* information for default tables */
91 static WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
92 static WCHAR szTable[] = { 'T','a','b','l','e',0 };
93 static WCHAR szName[] = { 'N','a','m','e',0 };
94 static WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
95 static WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
96 static WCHAR szType[] = { 'T','y','p','e',0 };
98 static const MSICOLUMNINFO _Columns_cols[4] = {
99 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
100 { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2, 0, 0, NULL },
101 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4, 0, 0, NULL },
102 { szColumns, 4, szType, MSITYPE_VALID | 2, 6, 0, 0, NULL },
105 static const MSICOLUMNINFO _Tables_cols[1] = {
106 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
109 #define MAX_STREAM_NAME 0x1f
111 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
112 MSICOLUMNINFO **pcols, UINT *pcount );
113 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
115 static UINT get_tablecolumns( MSIDATABASE *db,
116 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
117 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
119 static inline UINT bytes_per_column( MSIDATABASE *db, const MSICOLUMNINFO *col, UINT bytes_per_strref )
121 if( MSITYPE_IS_BINARY(col->type) )
124 if( col->type & MSITYPE_STRING )
125 return bytes_per_strref;
127 if( (col->type & 0xff) <= 2)
130 if( (col->type & 0xff) != 4 )
131 ERR("Invalid column size!\n");
136 static int utf2mime(int x)
138 if( (x>='0') && (x<='9') )
140 if( (x>='A') && (x<='Z') )
142 if( (x>='a') && (x<='z') )
151 LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
153 DWORD count = MAX_STREAM_NAME;
158 count = lstrlenW( in )+2;
159 if (!(out = msi_alloc( count*sizeof(WCHAR) ))) return NULL;
175 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
177 ch = utf2mime(ch) + 0x4800;
179 if( next && (next<0x80) )
181 next = utf2mime(next);
192 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
197 static int mime2utf(int x)
204 return x - 10 - 26 + 'a';
205 if( x == (10+26+26) )
210 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
215 while ( (ch = *in++) )
217 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
220 ch = mime2utf(ch-0x4800);
224 *out++ = mime2utf(ch&0x3f);
226 ch = mime2utf((ch>>6)&0x3f);
236 void enum_stream_names( IStorage *stg )
238 IEnumSTATSTG *stgenum = NULL;
244 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
252 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
253 if( FAILED( r ) || !count )
255 decode_streamname( stat.pwcsName, name );
256 TRACE("stream %2d -> %s %s\n", n,
257 debugstr_w(stat.pwcsName), debugstr_w(name) );
258 CoTaskMemFree( stat.pwcsName );
262 IEnumSTATSTG_Release( stgenum );
265 UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
266 BYTE **pdata, UINT *psz )
269 UINT ret = ERROR_FUNCTION_FAILED;
276 encname = encode_streamname(table, stname);
278 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
280 r = IStorage_OpenStream(stg, encname, NULL,
281 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
285 WARN("open stream failed r = %08x - empty table?\n", r);
289 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
292 WARN("open stream failed r = %08x!\n", r);
296 if( stat.cbSize.QuadPart >> 32 )
302 sz = stat.cbSize.QuadPart;
303 data = msi_alloc( sz );
306 WARN("couldn't allocate memory r=%08x!\n", r);
307 ret = ERROR_NOT_ENOUGH_MEMORY;
311 r = IStream_Read(stm, data, sz, &count );
312 if( FAILED( r ) || ( count != sz ) )
315 WARN("read stream failed r = %08x!\n", r);
324 IStream_Release( stm );
329 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
330 LPCVOID data, UINT sz, BOOL bTable )
333 UINT ret = ERROR_FUNCTION_FAILED;
340 encname = encode_streamname(bTable, stname );
341 r = IStorage_OpenStream( stg, encname, NULL,
342 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
345 r = IStorage_CreateStream( stg, encname,
346 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
351 WARN("open stream failed r = %08x\n", r);
356 r = IStream_SetSize( stm, size );
359 WARN("Failed to SetSize\n");
364 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
367 WARN("Failed to Seek\n");
373 r = IStream_Write(stm, data, sz, &count );
374 if( FAILED( r ) || ( count != sz ) )
376 WARN("Failed to Write\n");
384 IStream_Release( stm );
389 static void free_table( MSITABLE *table )
392 for( i=0; i<table->row_count; i++ )
393 msi_free( table->data[i] );
394 msi_free( table->data );
395 msi_free( table->data_persistent );
396 msi_free_colinfo( table->colinfo, table->col_count );
397 msi_free( table->colinfo );
401 static UINT msi_table_get_row_size( MSIDATABASE *db, const MSICOLUMNINFO *cols, UINT count, UINT bytes_per_strref )
403 const MSICOLUMNINFO *last_col;
408 if (bytes_per_strref != LONG_STR_BYTES)
411 for (i = 0; i < count; i++) size += bytes_per_column( db, &cols[i], bytes_per_strref );
414 last_col = &cols[count - 1];
415 return last_col->offset + bytes_per_column( db, last_col, bytes_per_strref );
418 /* add this table to the list of cached tables in the database */
419 static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg )
421 BYTE *rawdata = NULL;
422 UINT rawsize = 0, i, j, row_size, row_size_mem;
424 TRACE("%s\n",debugstr_w(t->name));
426 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count, db->bytes_per_strref );
427 row_size_mem = msi_table_get_row_size( db, t->colinfo, t->col_count, LONG_STR_BYTES );
429 /* if we can't read the table, just assume that it's empty */
430 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
432 return ERROR_SUCCESS;
434 TRACE("Read %d bytes\n", rawsize );
436 if( rawsize % row_size )
438 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
442 t->row_count = rawsize / row_size;
443 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
446 t->data_persistent = msi_alloc_zero( t->row_count * sizeof(BOOL));
447 if ( !t->data_persistent )
450 /* transpose all the data */
451 TRACE("Transposing data from %d rows\n", t->row_count );
452 for (i = 0; i < t->row_count; i++)
454 UINT ofs = 0, ofs_mem = 0;
456 t->data[i] = msi_alloc( row_size_mem );
459 t->data_persistent[i] = TRUE;
461 for (j = 0; j < t->col_count; j++)
463 UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES );
464 UINT n = bytes_per_column( db, &t->colinfo[j], db->bytes_per_strref );
467 if ( n != 2 && n != 3 && n != 4 )
469 ERR("oops - unknown column width %d\n", n);
472 if (t->colinfo[j].type & MSITYPE_STRING && n < m)
474 for (k = 0; k < m; k++)
477 t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k];
479 t->data[i][ofs_mem + k] = 0;
484 for (k = 0; k < n; k++)
485 t->data[i][ofs_mem + k] = rawdata[ofs * t->row_count + i * n + k];
493 return ERROR_SUCCESS;
496 return ERROR_FUNCTION_FAILED;
499 void free_cached_tables( MSIDATABASE *db )
501 while( !list_empty( &db->tables ) )
503 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
505 list_remove( &t->entry );
510 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
514 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
515 if( !strcmpW( name, t->name ) )
521 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
523 UINT r, column_count = 0;
524 MSICOLUMNINFO *columns;
526 /* get the number of columns in this table */
528 r = get_tablecolumns( db, name, NULL, &column_count );
529 if( r != ERROR_SUCCESS )
532 *pcount = column_count;
534 /* if there's no columns, there's no table */
535 if( column_count == 0 )
536 return ERROR_INVALID_PARAMETER;
538 TRACE("Table %s found\n", debugstr_w(name) );
540 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
542 return ERROR_FUNCTION_FAILED;
544 r = get_tablecolumns( db, name, columns, &column_count );
545 if( r != ERROR_SUCCESS )
548 return ERROR_FUNCTION_FAILED;
556 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
557 MSICONDITION persistent, MSITABLE **table_ret)
561 MSIRECORD *rec = NULL;
566 /* only add tables that don't exist already */
567 if( TABLE_Exists(db, name ) )
569 WARN("table %s exists\n", debugstr_w(name));
570 return ERROR_BAD_QUERY_SYNTAX;
573 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
575 return ERROR_FUNCTION_FAILED;
577 table->ref_count = 1;
578 table->row_count = 0;
580 table->data_persistent = NULL;
581 table->colinfo = NULL;
582 table->col_count = 0;
583 table->persistent = persistent;
584 lstrcpyW( table->name, name );
586 for( col = col_info; col; col = col->next )
589 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
593 return ERROR_FUNCTION_FAILED;
596 for( i = 0, col = col_info; col; i++, col = col->next )
598 table->colinfo[ i ].tablename = strdupW( col->table );
599 table->colinfo[ i ].number = i + 1;
600 table->colinfo[ i ].colname = strdupW( col->column );
601 table->colinfo[ i ].type = col->type;
602 table->colinfo[ i ].offset = 0;
603 table->colinfo[ i ].ref_count = 0;
604 table->colinfo[ i ].hash_table = NULL;
605 table->colinfo[ i ].temporary = col->temporary;
607 table_calc_column_offsets( db, table->colinfo, table->col_count);
609 r = TABLE_CreateView( db, szTables, &tv );
610 TRACE("CreateView returned %x\n", r);
617 r = tv->ops->execute( tv, 0 );
618 TRACE("tv execute returned %x\n", r);
622 rec = MSI_CreateRecord( 1 );
626 r = MSI_RecordSetStringW( rec, 1, name );
630 r = tv->ops->insert_row( tv, rec, -1, persistent == MSICONDITION_FALSE );
631 TRACE("insert_row returned %x\n", r);
635 tv->ops->delete( tv );
638 msiobj_release( &rec->hdr );
641 if( persistent != MSICONDITION_FALSE )
643 /* add each column to the _Columns table */
644 r = TABLE_CreateView( db, szColumns, &tv );
648 r = tv->ops->execute( tv, 0 );
649 TRACE("tv execute returned %x\n", r);
653 rec = MSI_CreateRecord( 4 );
657 r = MSI_RecordSetStringW( rec, 1, name );
662 * need to set the table, column number, col name and type
663 * for each column we enter in the table
666 for( col = col_info; col; col = col->next )
668 r = MSI_RecordSetInteger( rec, 2, nField );
672 r = MSI_RecordSetStringW( rec, 3, col->column );
676 r = MSI_RecordSetInteger( rec, 4, col->type );
680 r = tv->ops->insert_row( tv, rec, -1, FALSE );
692 msiobj_release( &rec->hdr );
693 /* FIXME: remove values from the string table on error */
695 tv->ops->delete( tv );
697 if (r == ERROR_SUCCESS)
699 list_add_head( &db->tables, &table->entry );
708 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
713 /* first, see if the table is cached */
714 table = find_cached_table( db, name );
718 return ERROR_SUCCESS;
721 /* nonexistent tables should be interpreted as empty tables */
722 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
724 return ERROR_FUNCTION_FAILED;
726 table->row_count = 0;
728 table->data_persistent = NULL;
729 table->colinfo = NULL;
730 table->col_count = 0;
731 table->persistent = MSICONDITION_TRUE;
732 lstrcpyW( table->name, name );
734 if ( !strcmpW( name, szTables ) || !strcmpW( name, szColumns ) )
735 table->persistent = MSICONDITION_NONE;
737 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
738 if (r != ERROR_SUCCESS)
740 free_table ( table );
744 r = read_table_from_storage( db, table, db->storage );
745 if( r != ERROR_SUCCESS )
751 list_add_head( &db->tables, &table->entry );
753 return ERROR_SUCCESS;
756 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
760 for (i = 0; i < bytes; i++)
761 ret += data[row][col + i] << i * 8;
766 static UINT save_table( MSIDATABASE *db, const MSITABLE *t, UINT bytes_per_strref )
768 BYTE *rawdata = NULL;
769 UINT rawsize, i, j, row_size, row_count;
770 UINT r = ERROR_FUNCTION_FAILED;
772 /* Nothing to do for non-persistent tables */
773 if( t->persistent == MSICONDITION_FALSE )
774 return ERROR_SUCCESS;
776 TRACE("Saving %s\n", debugstr_w( t->name ) );
778 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count, bytes_per_strref );
779 row_count = t->row_count;
780 for (i = 0; i < t->row_count; i++)
782 if (!t->data_persistent[i])
784 row_count = 1; /* yes, this is bizarre */
788 rawsize = row_count * row_size;
789 rawdata = msi_alloc_zero( rawsize );
792 r = ERROR_NOT_ENOUGH_MEMORY;
797 for (i = 0; i < t->row_count; i++)
799 UINT ofs = 0, ofs_mem = 0;
801 if (!t->data_persistent[i]) break;
803 for (j = 0; j < t->col_count; j++)
805 UINT m = bytes_per_column( db, &t->colinfo[j], LONG_STR_BYTES );
806 UINT n = bytes_per_column( db, &t->colinfo[j], bytes_per_strref );
809 if (n != 2 && n != 3 && n != 4)
811 ERR("oops - unknown column width %d\n", n);
814 if (t->colinfo[j].type & MSITYPE_STRING && n < m)
816 UINT id = read_table_int( t->data, i, ofs_mem, LONG_STR_BYTES );
817 if (id > 1 << bytes_per_strref * 8)
819 ERR("string id %u out of range\n", id);
823 for (k = 0; k < n; k++)
825 rawdata[ofs * row_count + i * n + k] = t->data[i][ofs_mem + k];
833 TRACE("writing %d bytes\n", rawsize);
834 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
841 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo, DWORD count )
845 for( i=0; colinfo && (i<count); i++ )
847 assert( (i+1) == colinfo[ i ].number );
849 colinfo[i].offset = colinfo[ i - 1 ].offset
850 + bytes_per_column( db, &colinfo[ i - 1 ], LONG_STR_BYTES );
852 colinfo[i].offset = 0;
853 TRACE("column %d is [%s] with type %08x ofs %d\n",
854 colinfo[i].number, debugstr_w(colinfo[i].colname),
855 colinfo[i].type, colinfo[i].offset);
859 static UINT get_defaulttablecolumns( MSIDATABASE *db, LPCWSTR name,
860 MSICOLUMNINFO *colinfo, UINT *sz)
862 const MSICOLUMNINFO *p;
865 TRACE("%s\n", debugstr_w(name));
867 if (!strcmpW( name, szTables ))
872 else if (!strcmpW( name, szColumns ))
878 return ERROR_FUNCTION_FAILED;
880 /* duplicate the string data so we can free it in msi_free_colinfo */
883 if (colinfo && (i < *sz) )
886 colinfo[i].tablename = strdupW( p[i].tablename );
887 colinfo[i].colname = strdupW( p[i].colname );
889 if( colinfo && (i >= *sz) )
892 table_calc_column_offsets( db, colinfo, n );
894 return ERROR_SUCCESS;
897 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
901 for( i=0; i<count; i++ )
903 msi_free( colinfo[i].tablename );
904 msi_free( colinfo[i].colname );
905 msi_free( colinfo[i].hash_table );
909 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
911 return strdupW(msi_string_lookup_id( db->strings, stringid ));
914 static UINT get_tablecolumns( MSIDATABASE *db,
915 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
917 UINT r, i, n=0, table_id, count, maxcount = *sz;
918 MSITABLE *table = NULL;
920 TRACE("%s\n", debugstr_w(szTableName));
922 /* first check if there is a default table with that name */
923 r = get_defaulttablecolumns( db, szTableName, colinfo, sz );
924 if( ( r == ERROR_SUCCESS ) && *sz )
927 r = get_table( db, szColumns, &table );
928 if( r != ERROR_SUCCESS )
930 ERR("couldn't load _Columns table\n");
931 return ERROR_FUNCTION_FAILED;
934 /* convert table and column names to IDs from the string table */
935 r = msi_string2idW( db->strings, szTableName, &table_id );
936 if( r != ERROR_SUCCESS )
938 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
942 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
944 /* Note: _Columns table doesn't have non-persistent data */
946 /* if maxcount is non-zero, assume it's exactly right for this table */
947 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
948 count = table->row_count;
949 for( i=0; i<count; i++ )
951 if( read_table_int(table->data, i, 0, LONG_STR_BYTES) != table_id )
955 UINT id = read_table_int(table->data, i, table->colinfo[2].offset, LONG_STR_BYTES);
956 UINT col = read_table_int(table->data, i, table->colinfo[1].offset, sizeof(USHORT)) - (1<<15);
958 /* check the column number is in range */
959 if (col<1 || col>maxcount)
961 ERR("column %d out of range\n", col);
965 /* check if this column was already set */
966 if (colinfo[ col - 1 ].number)
968 ERR("duplicate column %d\n", col);
972 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
973 colinfo[ col - 1 ].number = col;
974 colinfo[ col - 1 ].colname = msi_makestring( db, id );
975 colinfo[ col - 1 ].type = read_table_int(table->data, i,
976 table->colinfo[3].offset,
977 sizeof(USHORT)) - (1<<15);
978 colinfo[ col - 1 ].offset = 0;
979 colinfo[ col - 1 ].ref_count = 0;
980 colinfo[ col - 1 ].hash_table = NULL;
985 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
987 if (colinfo && n != maxcount)
989 ERR("missing column in table %s\n", debugstr_w(szTableName));
990 msi_free_colinfo(colinfo, maxcount );
991 return ERROR_FUNCTION_FAILED;
994 table_calc_column_offsets( db, colinfo, n );
997 return ERROR_SUCCESS;
1000 static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name )
1004 UINT size, offset, old_count;
1007 /* We may free name in msi_free_colinfo. */
1008 tablename = strdupW( name );
1010 table = find_cached_table( db, tablename );
1011 old_count = table->col_count;
1012 msi_free_colinfo( table->colinfo, table->col_count );
1013 msi_free( table->colinfo );
1014 table->colinfo = NULL;
1016 table_get_column_info( db, tablename, &table->colinfo, &table->col_count );
1017 if (!table->col_count)
1020 size = msi_table_get_row_size( db, table->colinfo, table->col_count, LONG_STR_BYTES );
1021 offset = table->colinfo[table->col_count - 1].offset;
1023 for ( n = 0; n < table->row_count; n++ )
1025 table->data[n] = msi_realloc( table->data[n], size );
1026 if (old_count < table->col_count)
1027 memset( &table->data[n][offset], 0, size - offset );
1031 msi_free(tablename);
1034 /* try to find the table name in the _Tables table */
1035 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1037 UINT r, table_id, i;
1040 if( !strcmpW( name, szTables ) || !strcmpW( name, szColumns ) ||
1041 !strcmpW( name, szStreams ) || !strcmpW( name, szStorages ) )
1044 r = msi_string2idW( db->strings, name, &table_id );
1045 if( r != ERROR_SUCCESS )
1047 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1051 r = get_table( db, szTables, &table );
1052 if( r != ERROR_SUCCESS )
1054 ERR("table %s not available\n", debugstr_w(szTables));
1058 for( i = 0; i < table->row_count; i++ )
1060 if( read_table_int( table->data, i, 0, LONG_STR_BYTES ) == table_id )
1067 /* below is the query interface to a table */
1069 typedef struct tagMSITABLEVIEW
1074 MSICOLUMNINFO *columns;
1075 MSIORDERINFO *order;
1081 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1083 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1087 return ERROR_INVALID_PARAMETER;
1089 if( (col==0) || (col>tv->num_cols) )
1090 return ERROR_INVALID_PARAMETER;
1092 /* how many rows are there ? */
1093 if( row >= tv->table->row_count )
1094 return ERROR_NO_MORE_ITEMS;
1096 if( tv->columns[col-1].offset >= tv->row_size )
1098 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1099 ERR("%p %p\n", tv, tv->columns );
1100 return ERROR_FUNCTION_FAILED;
1104 row = tv->order->reorder[row];
1106 n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES );
1107 if (n != 2 && n != 3 && n != 4)
1109 ERR("oops! what is %d bytes per column?\n", n );
1110 return ERROR_FUNCTION_FAILED;
1113 offset = tv->columns[col-1].offset;
1114 *val = read_table_int(tv->table->data, row, offset, n);
1116 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1118 return ERROR_SUCCESS;
1121 static UINT msi_stream_name( const MSITABLEVIEW *tv, UINT row, LPWSTR *pstname )
1123 LPWSTR p, stname = NULL;
1124 UINT i, r, type, ival;
1127 MSIVIEW *view = (MSIVIEW *) tv;
1129 TRACE("%p %d\n", tv, row);
1131 len = lstrlenW( tv->name ) + 1;
1132 stname = msi_alloc( len*sizeof(WCHAR) );
1135 r = ERROR_OUTOFMEMORY;
1139 lstrcpyW( stname, tv->name );
1141 for ( i = 0; i < tv->num_cols; i++ )
1143 type = tv->columns[i].type;
1144 if ( type & MSITYPE_KEY )
1146 r = TABLE_fetch_int( view, row, i+1, &ival );
1147 if ( r != ERROR_SUCCESS )
1150 if ( tv->columns[i].type & MSITYPE_STRING )
1152 sval = msi_string_lookup_id( tv->db->strings, ival );
1155 r = ERROR_INVALID_PARAMETER;
1161 static const WCHAR fmt[] = { '%','d',0 };
1163 UINT n = bytes_per_column( tv->db, &tv->columns[i], LONG_STR_BYTES );
1168 sprintfW( number, fmt, ival-0x8000 );
1171 sprintfW( number, fmt, ival^0x80000000 );
1174 ERR( "oops - unknown column width %d\n", n );
1175 r = ERROR_FUNCTION_FAILED;
1181 len += lstrlenW( szDot ) + lstrlenW( sval );
1182 p = msi_realloc ( stname, len*sizeof(WCHAR) );
1185 r = ERROR_OUTOFMEMORY;
1190 lstrcatW( stname, szDot );
1191 lstrcatW( stname, sval );
1198 return ERROR_SUCCESS;
1207 * We need a special case for streams, as we need to reference column with
1208 * the name of the stream in the same table, and the table name
1209 * which may not be available at higher levels of the query
1211 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1213 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1215 LPWSTR encname, full_name = NULL;
1217 if( !view->ops->fetch_int )
1218 return ERROR_INVALID_PARAMETER;
1220 r = msi_stream_name( tv, row, &full_name );
1221 if ( r != ERROR_SUCCESS )
1223 ERR("fetching stream, error = %d\n", r);
1227 encname = encode_streamname( FALSE, full_name );
1228 r = db_get_raw_stream( tv->db, encname, stm );
1230 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1232 msi_free( full_name );
1233 msi_free( encname );
1237 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1242 return ERROR_INVALID_PARAMETER;
1244 if( (col==0) || (col>tv->num_cols) )
1245 return ERROR_INVALID_PARAMETER;
1247 if( row >= tv->table->row_count )
1248 return ERROR_INVALID_PARAMETER;
1250 if( tv->columns[col-1].offset >= tv->row_size )
1252 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1253 ERR("%p %p\n", tv, tv->columns );
1254 return ERROR_FUNCTION_FAILED;
1257 msi_free( tv->columns[col-1].hash_table );
1258 tv->columns[col-1].hash_table = NULL;
1260 n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES );
1261 if ( n != 2 && n != 3 && n != 4 )
1263 ERR("oops! what is %d bytes per column?\n", n );
1264 return ERROR_FUNCTION_FAILED;
1267 offset = tv->columns[col-1].offset;
1268 for ( i = 0; i < n; i++ )
1269 tv->table->data[row][offset + i] = (val >> i * 8) & 0xff;
1271 return ERROR_SUCCESS;
1274 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1276 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1279 return ERROR_INVALID_PARAMETER;
1282 row = tv->order->reorder[row];
1284 return msi_view_get_row(tv->db, view, row, rec);
1287 static UINT msi_addstreamW( MSIDATABASE *db, LPCWSTR name, IStream *data )
1290 MSIQUERY *query = NULL;
1291 MSIRECORD *rec = NULL;
1293 static const WCHAR insert[] = {
1294 'I','N','S','E','R','T',' ','I','N','T','O',' ',
1295 '`','_','S','t','r','e','a','m','s','`',' ',
1296 '(','`','N','a','m','e','`',',',
1297 '`','D','a','t','a','`',')',' ',
1298 'V','A','L','U','E','S',' ','(','?',',','?',')',0};
1300 TRACE("%p %s %p\n", db, debugstr_w(name), data);
1302 rec = MSI_CreateRecord( 2 );
1304 return ERROR_OUTOFMEMORY;
1306 r = MSI_RecordSetStringW( rec, 1, name );
1307 if ( r != ERROR_SUCCESS )
1310 r = MSI_RecordSetIStream( rec, 2, data );
1311 if ( r != ERROR_SUCCESS )
1314 r = MSI_DatabaseOpenViewW( db, insert, &query );
1315 if ( r != ERROR_SUCCESS )
1318 r = MSI_ViewExecute( query, rec );
1321 msiobj_release( &query->hdr );
1322 msiobj_release( &rec->hdr );
1327 static UINT get_table_value_from_record( MSITABLEVIEW *tv, MSIRECORD *rec, UINT iField, UINT *pvalue )
1329 MSICOLUMNINFO columninfo;
1332 if ( (iField <= 0) ||
1333 (iField > tv->num_cols) ||
1334 MSI_RecordIsNull( rec, iField ) )
1335 return ERROR_FUNCTION_FAILED;
1337 columninfo = tv->columns[ iField - 1 ];
1339 if ( MSITYPE_IS_BINARY(columninfo.type) )
1341 *pvalue = 1; /* refers to the first key column */
1343 else if ( columninfo.type & MSITYPE_STRING )
1345 LPCWSTR sval = MSI_RecordGetString( rec, iField );
1348 r = msi_string2idW(tv->db->strings, sval, pvalue);
1349 if (r != ERROR_SUCCESS)
1350 return ERROR_NOT_FOUND;
1354 else if ( bytes_per_column( tv->db, &columninfo, LONG_STR_BYTES ) == 2 )
1356 *pvalue = 0x8000 + MSI_RecordGetInteger( rec, iField );
1357 if ( *pvalue & 0xffff0000 )
1359 ERR("field %u value %d out of range\n", iField, *pvalue - 0x8000);
1360 return ERROR_FUNCTION_FAILED;
1365 INT ival = MSI_RecordGetInteger( rec, iField );
1366 *pvalue = ival ^ 0x80000000;
1369 return ERROR_SUCCESS;
1372 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1374 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1375 UINT i, val, r = ERROR_SUCCESS;
1378 return ERROR_INVALID_PARAMETER;
1380 /* test if any of the mask bits are invalid */
1381 if ( mask >= (1<<tv->num_cols) )
1382 return ERROR_INVALID_PARAMETER;
1384 for ( i = 0; i < tv->num_cols; i++ )
1388 /* only update the fields specified in the mask */
1389 if ( !(mask&(1<<i)) )
1392 persistent = (tv->table->persistent != MSICONDITION_FALSE) &&
1393 (tv->table->data_persistent[row]);
1394 /* FIXME: should we allow updating keys? */
1397 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1399 r = get_table_value_from_record (tv, rec, i + 1, &val);
1400 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1405 if ( r != ERROR_SUCCESS )
1406 return ERROR_FUNCTION_FAILED;
1408 r = MSI_RecordGetIStream( rec, i + 1, &stm );
1409 if ( r != ERROR_SUCCESS )
1412 r = msi_stream_name( tv, row, &stname );
1413 if ( r != ERROR_SUCCESS )
1415 IStream_Release( stm );
1419 r = msi_addstreamW( tv->db, stname, stm );
1420 IStream_Release( stm );
1421 msi_free ( stname );
1423 if ( r != ERROR_SUCCESS )
1426 else if ( tv->columns[i].type & MSITYPE_STRING )
1430 if ( r != ERROR_SUCCESS )
1432 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1433 val = msi_addstringW( tv->db->strings, sval, -1, 1,
1434 persistent ? StringPersistent : StringNonPersistent );
1438 TABLE_fetch_int(&tv->view, row, i + 1, &x);
1445 if ( r != ERROR_SUCCESS )
1446 return ERROR_FUNCTION_FAILED;
1450 r = TABLE_set_int( tv, row, i+1, val );
1451 if ( r != ERROR_SUCCESS )
1457 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1459 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1464 BOOL **data_persist_ptr;
1467 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1470 return ERROR_INVALID_PARAMETER;
1472 row = msi_alloc_zero( tv->row_size );
1474 return ERROR_NOT_ENOUGH_MEMORY;
1476 row_count = &tv->table->row_count;
1477 data_ptr = &tv->table->data;
1478 data_persist_ptr = &tv->table->data_persistent;
1480 *num = tv->table->row_count;
1482 sz = (*row_count + 1) * sizeof (BYTE*);
1484 p = msi_realloc( *data_ptr, sz );
1486 p = msi_alloc( sz );
1490 return ERROR_NOT_ENOUGH_MEMORY;
1493 sz = (*row_count + 1) * sizeof (BOOL);
1494 if( *data_persist_ptr )
1495 b = msi_realloc( *data_persist_ptr, sz );
1497 b = msi_alloc( sz );
1502 return ERROR_NOT_ENOUGH_MEMORY;
1506 (*data_ptr)[*row_count] = row;
1508 *data_persist_ptr = b;
1509 (*data_persist_ptr)[*row_count] = !temporary;
1513 return ERROR_SUCCESS;
1516 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1518 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1520 TRACE("%p %p\n", tv, record);
1522 TRACE("There are %d columns\n", tv->num_cols );
1524 return ERROR_SUCCESS;
1527 static UINT TABLE_close( struct tagMSIVIEW *view )
1529 TRACE("%p\n", view );
1531 return ERROR_SUCCESS;
1534 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1536 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1538 TRACE("%p %p %p\n", view, rows, cols );
1541 *cols = tv->num_cols;
1545 return ERROR_INVALID_PARAMETER;
1546 *rows = tv->table->row_count;
1549 return ERROR_SUCCESS;
1552 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1553 UINT n, LPWSTR *name, UINT *type, BOOL *temporary,
1554 LPWSTR *table_name )
1556 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1558 TRACE("%p %d %p %p\n", tv, n, name, type );
1560 if( ( n == 0 ) || ( n > tv->num_cols ) )
1561 return ERROR_INVALID_PARAMETER;
1565 *name = strdupW( tv->columns[n-1].colname );
1567 return ERROR_FUNCTION_FAILED;
1572 *table_name = strdupW( tv->columns[n-1].tablename );
1574 return ERROR_FUNCTION_FAILED;
1578 *type = tv->columns[n-1].type;
1581 *temporary = tv->columns[n-1].temporary;
1583 return ERROR_SUCCESS;
1586 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1588 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1592 /* check there's no null values where they're not allowed */
1593 for( i = 0; i < tv->num_cols; i++ )
1595 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1598 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1599 TRACE("skipping binary column\n");
1600 else if ( tv->columns[i].type & MSITYPE_STRING )
1604 str = MSI_RecordGetString( rec, i+1 );
1605 if (str == NULL || str[0] == 0)
1606 return ERROR_INVALID_DATA;
1612 n = MSI_RecordGetInteger( rec, i+1 );
1613 if (n == MSI_NULL_INTEGER)
1614 return ERROR_INVALID_DATA;
1618 /* check there's no duplicate keys */
1619 r = msi_table_find_row( tv, rec, &row );
1620 if (r == ERROR_SUCCESS)
1621 return ERROR_FUNCTION_FAILED;
1623 return ERROR_SUCCESS;
1626 static int compare_record( MSITABLEVIEW *tv, UINT row, MSIRECORD *rec )
1628 UINT r, i, ivalue, x;
1630 for (i = 0; i < tv->num_cols; i++ )
1632 r = get_table_value_from_record( tv, rec, i + 1, &ivalue );
1633 if (r != ERROR_SUCCESS)
1636 r = TABLE_fetch_int( &tv->view, row, i + 1, &x );
1637 if (r != ERROR_SUCCESS)
1639 WARN("TABLE_fetch_int should not fail here %u\n", r);
1646 else if (ivalue == x)
1648 if (i < tv->num_cols - 1) continue;
1657 static int find_insert_index( MSITABLEVIEW *tv, MSIRECORD *rec )
1659 int idx, c, low = 0, high = tv->table->row_count - 1;
1661 TRACE("%p %p\n", tv, rec);
1665 idx = (low + high) / 2;
1666 c = compare_record( tv, idx, rec );
1674 TRACE("found %u\n", idx);
1678 TRACE("found %u\n", high + 1);
1682 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary )
1684 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1687 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1689 /* check that the key is unique - can we find a matching row? */
1690 r = table_validate_new( tv, rec );
1691 if( r != ERROR_SUCCESS )
1692 return ERROR_FUNCTION_FAILED;
1695 row = find_insert_index( tv, rec );
1697 r = table_create_new_row( view, &row, temporary );
1698 TRACE("insert_row returned %08x\n", r);
1699 if( r != ERROR_SUCCESS )
1702 /* shift the rows to make room for the new row */
1703 for (i = tv->table->row_count - 1; i > row; i--)
1705 memmove(&(tv->table->data[i][0]),
1706 &(tv->table->data[i - 1][0]), tv->row_size);
1707 tv->table->data_persistent[i] = tv->table->data_persistent[i - 1];
1710 /* Re-set the persistence flag */
1711 tv->table->data_persistent[row] = !temporary;
1712 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1715 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1717 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1718 UINT r, num_rows, num_cols, i;
1720 TRACE("%p %d\n", tv, row);
1723 return ERROR_INVALID_PARAMETER;
1725 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1726 if ( r != ERROR_SUCCESS )
1729 if ( row >= num_rows )
1730 return ERROR_FUNCTION_FAILED;
1732 num_rows = tv->table->row_count;
1733 tv->table->row_count--;
1735 /* reset the hash tables */
1736 for (i = 0; i < tv->num_cols; i++)
1738 msi_free( tv->columns[i].hash_table );
1739 tv->columns[i].hash_table = NULL;
1742 for (i = row + 1; i < num_rows; i++)
1744 memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size);
1745 tv->table->data_persistent[i - 1] = tv->table->data_persistent[i];
1748 msi_free(tv->table->data[num_rows - 1]);
1750 return ERROR_SUCCESS;
1753 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1755 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1758 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1759 * sets the fetched record apart from other records
1763 return ERROR_INVALID_PARAMETER;
1765 r = msi_table_find_row(tv, rec, &new_row);
1766 if (r != ERROR_SUCCESS)
1768 ERR("can't find row to modify\n");
1769 return ERROR_FUNCTION_FAILED;
1772 /* the row cannot be changed */
1773 if (row != new_row + 1)
1774 return ERROR_FUNCTION_FAILED;
1776 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1779 static UINT msi_table_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
1781 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1785 return ERROR_INVALID_PARAMETER;
1787 r = msi_table_find_row(tv, rec, &row);
1788 if (r == ERROR_SUCCESS)
1789 return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1);
1791 return TABLE_insert_row( view, rec, -1, FALSE );
1794 static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1796 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1799 r = msi_table_find_row(tv, rec, &row);
1800 if (r != ERROR_SUCCESS)
1803 return TABLE_delete_row(view, row);
1806 static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row )
1811 r = TABLE_get_row(view, row - 1, &curr);
1812 if (r != ERROR_SUCCESS)
1815 /* Close the original record */
1816 MSI_CloseRecord(&rec->hdr);
1818 count = MSI_RecordGetFieldCount(rec);
1819 for (i = 0; i < count; i++)
1820 MSI_RecordCopyField(curr, i + 1, rec, i + 1);
1822 msiobj_release(&curr->hdr);
1823 return ERROR_SUCCESS;
1826 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1827 MSIRECORD *rec, UINT row)
1829 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1832 TRACE("%p %d %p\n", view, eModifyMode, rec );
1834 switch (eModifyMode)
1836 case MSIMODIFY_DELETE:
1837 r = modify_delete_row( view, rec );
1839 case MSIMODIFY_VALIDATE_NEW:
1840 r = table_validate_new( tv, rec );
1843 case MSIMODIFY_INSERT:
1844 r = table_validate_new( tv, rec );
1845 if (r != ERROR_SUCCESS)
1847 r = TABLE_insert_row( view, rec, -1, FALSE );
1850 case MSIMODIFY_INSERT_TEMPORARY:
1851 r = table_validate_new( tv, rec );
1852 if (r != ERROR_SUCCESS)
1854 r = TABLE_insert_row( view, rec, -1, TRUE );
1857 case MSIMODIFY_REFRESH:
1858 r = msi_refresh_record( view, rec, row );
1861 case MSIMODIFY_UPDATE:
1862 r = msi_table_update( view, rec, row );
1865 case MSIMODIFY_ASSIGN:
1866 r = msi_table_assign( view, rec );
1869 case MSIMODIFY_REPLACE:
1870 case MSIMODIFY_MERGE:
1871 case MSIMODIFY_VALIDATE:
1872 case MSIMODIFY_VALIDATE_FIELD:
1873 case MSIMODIFY_VALIDATE_DELETE:
1874 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1875 r = ERROR_CALL_NOT_IMPLEMENTED;
1879 r = ERROR_INVALID_DATA;
1885 static UINT TABLE_delete( struct tagMSIVIEW *view )
1887 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1889 TRACE("%p\n", view );
1896 msi_free( tv->order->reorder );
1897 msi_free( tv->order );
1903 return ERROR_SUCCESS;
1906 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1907 UINT val, UINT *row, MSIITERHANDLE *handle )
1909 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1910 const MSICOLUMNHASHENTRY *entry;
1912 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1915 return ERROR_INVALID_PARAMETER;
1917 if( (col==0) || (col > tv->num_cols) )
1918 return ERROR_INVALID_PARAMETER;
1920 if( !tv->columns[col-1].hash_table )
1923 UINT num_rows = tv->table->row_count;
1924 MSICOLUMNHASHENTRY **hash_table;
1925 MSICOLUMNHASHENTRY *new_entry;
1927 if( tv->columns[col-1].offset >= tv->row_size )
1929 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1930 ERR("%p %p\n", tv, tv->columns );
1931 return ERROR_FUNCTION_FAILED;
1934 /* allocate contiguous memory for the table and its entries so we
1935 * don't have to do an expensive cleanup */
1936 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1937 num_rows * sizeof(MSICOLUMNHASHENTRY));
1939 return ERROR_OUTOFMEMORY;
1941 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1942 tv->columns[col-1].hash_table = hash_table;
1944 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1946 for (i = 0; i < num_rows; i++, new_entry++)
1950 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1953 new_entry->next = NULL;
1954 new_entry->value = row_value;
1956 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1958 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1959 while (prev_entry->next)
1960 prev_entry = prev_entry->next;
1961 prev_entry->next = new_entry;
1964 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1969 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1971 entry = (*handle)->next;
1973 while (entry && entry->value != val)
1974 entry = entry->next;
1978 return ERROR_NO_MORE_ITEMS;
1982 return ERROR_SUCCESS;
1985 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1987 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1990 TRACE("%p %d\n", view, tv->table->ref_count);
1992 for (i = 0; i < tv->table->col_count; i++)
1994 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1995 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
1998 return InterlockedIncrement(&tv->table->ref_count);
2001 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
2003 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2004 MSIRECORD *rec = NULL;
2005 MSIVIEW *columns = NULL;
2008 rec = MSI_CreateRecord(2);
2010 return ERROR_OUTOFMEMORY;
2012 MSI_RecordSetStringW(rec, 1, table);
2013 MSI_RecordSetInteger(rec, 2, number);
2015 r = TABLE_CreateView(tv->db, szColumns, &columns);
2016 if (r != ERROR_SUCCESS)
2019 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
2020 if (r != ERROR_SUCCESS)
2023 r = TABLE_delete_row(columns, row);
2024 if (r != ERROR_SUCCESS)
2027 msi_update_table_columns(tv->db, table);
2030 msiobj_release(&rec->hdr);
2031 columns->ops->delete(columns);
2035 static UINT TABLE_release(struct tagMSIVIEW *view)
2037 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2038 INT ref = tv->table->ref_count;
2041 TRACE("%p %d\n", view, ref);
2043 for (i = 0; i < tv->table->col_count; i++)
2045 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
2047 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
2050 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2051 tv->table->colinfo[i].number);
2052 if (r != ERROR_SUCCESS)
2058 ref = InterlockedDecrement(&tv->table->ref_count);
2061 if (!tv->table->row_count)
2063 list_remove(&tv->table->entry);
2064 free_table(tv->table);
2072 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
2073 LPCWSTR column, UINT type, BOOL hold)
2075 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2080 rec = MSI_CreateRecord(4);
2082 return ERROR_OUTOFMEMORY;
2084 MSI_RecordSetStringW(rec, 1, table);
2085 MSI_RecordSetInteger(rec, 2, number);
2086 MSI_RecordSetStringW(rec, 3, column);
2087 MSI_RecordSetInteger(rec, 4, type);
2089 r = TABLE_insert_row(&tv->view, rec, -1, FALSE);
2090 if (r != ERROR_SUCCESS)
2093 msi_update_table_columns(tv->db, table);
2098 msitable = find_cached_table(tv->db, table);
2099 for (i = 0; i < msitable->col_count; i++)
2101 if (!strcmpW( msitable->colinfo[i].colname, column ))
2103 InterlockedIncrement(&msitable->colinfo[i].ref_count);
2109 msiobj_release(&rec->hdr);
2113 static UINT order_add_column(struct tagMSIVIEW *view, MSIORDERINFO *order, LPCWSTR name)
2116 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2118 r = TABLE_get_dimensions(view, NULL, &count);
2119 if (r != ERROR_SUCCESS)
2122 if (order->num_cols >= count)
2123 return ERROR_FUNCTION_FAILED;
2125 r = VIEW_find_column(view, name, tv->name, &n);
2126 if (r != ERROR_SUCCESS)
2129 order->cols[order->num_cols] = n;
2130 TRACE("Ordering by column %s (%d)\n", debugstr_w(name), n);
2134 return ERROR_SUCCESS;
2137 static UINT order_compare(struct tagMSIVIEW *view, MSIORDERINFO *order,
2138 UINT a, UINT b, UINT *swap)
2140 UINT r, i, a_val = 0, b_val = 0;
2143 for (i = 0; i < order->num_cols; i++)
2145 r = TABLE_fetch_int(view, a, order->cols[i], &a_val);
2146 if (r != ERROR_SUCCESS)
2149 r = TABLE_fetch_int(view, b, order->cols[i], &b_val);
2150 if (r != ERROR_SUCCESS)
2161 return ERROR_SUCCESS;
2164 static UINT order_mergesort(struct tagMSIVIEW *view, MSIORDERINFO *order,
2165 UINT left, UINT right)
2168 UINT swap = 0, center = (left + right) / 2;
2169 UINT *array = order->reorder;
2172 return ERROR_SUCCESS;
2174 /* sort the left half */
2175 r = order_mergesort(view, order, left, center);
2176 if (r != ERROR_SUCCESS)
2179 /* sort the right half */
2180 r = order_mergesort(view, order, center + 1, right);
2181 if (r != ERROR_SUCCESS)
2184 for (i = left, j = center + 1; (i <= center) && (j <= right); i++)
2186 r = order_compare(view, order, array[i], array[j], &swap);
2187 if (r != ERROR_SUCCESS)
2193 memmove(&array[i + 1], &array[i], (j - i) * sizeof(UINT));
2200 return ERROR_SUCCESS;
2203 static UINT order_verify(struct tagMSIVIEW *view, MSIORDERINFO *order, UINT num_rows)
2207 for (i = 1; i < num_rows; i++)
2209 r = order_compare(view, order, order->reorder[i - 1],
2210 order->reorder[i], &swap);
2211 if (r != ERROR_SUCCESS)
2217 ERR("Bad order! %d\n", i);
2218 return ERROR_FUNCTION_FAILED;
2221 return ERROR_SUCCESS;
2224 static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
2226 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2227 MSIORDERINFO *order;
2232 TRACE("sorting table %s\n", debugstr_w(tv->name));
2234 r = TABLE_get_dimensions(view, &rows, &cols);
2235 if (r != ERROR_SUCCESS)
2239 return ERROR_SUCCESS;
2241 order = msi_alloc_zero(sizeof(MSIORDERINFO) + sizeof(UINT) * cols);
2243 return ERROR_OUTOFMEMORY;
2245 for (ptr = columns; ptr; ptr = ptr->next)
2246 order_add_column(view, order, ptr->column);
2248 order->reorder = msi_alloc(rows * sizeof(UINT));
2249 if (!order->reorder)
2250 return ERROR_OUTOFMEMORY;
2252 for (i = 0; i < rows; i++)
2253 order->reorder[i] = i;
2255 r = order_mergesort(view, order, 0, rows - 1);
2256 if (r != ERROR_SUCCESS)
2259 r = order_verify(view, order, rows);
2260 if (r != ERROR_SUCCESS)
2265 return ERROR_SUCCESS;
2268 static UINT TABLE_drop(struct tagMSIVIEW *view)
2270 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2271 MSIVIEW *tables = NULL;
2272 MSIRECORD *rec = NULL;
2276 TRACE("dropping table %s\n", debugstr_w(tv->name));
2278 for (i = tv->table->col_count - 1; i >= 0; i--)
2280 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2281 tv->table->colinfo[i].number);
2282 if (r != ERROR_SUCCESS)
2286 rec = MSI_CreateRecord(1);
2288 return ERROR_OUTOFMEMORY;
2290 MSI_RecordSetStringW(rec, 1, tv->name);
2292 r = TABLE_CreateView(tv->db, szTables, &tables);
2293 if (r != ERROR_SUCCESS)
2296 r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row);
2297 if (r != ERROR_SUCCESS)
2300 r = TABLE_delete_row(tables, row);
2301 if (r != ERROR_SUCCESS)
2304 list_remove(&tv->table->entry);
2305 free_table(tv->table);
2308 msiobj_release(&rec->hdr);
2309 tables->ops->delete(tables);
2314 static const MSIVIEWOPS table_ops =
2324 TABLE_get_dimensions,
2325 TABLE_get_column_info,
2328 TABLE_find_matching_rows,
2332 TABLE_remove_column,
2337 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
2342 TRACE("%p %s %p\n", db, debugstr_w(name), view );
2344 if ( !strcmpW( name, szStreams ) )
2345 return STREAMS_CreateView( db, view );
2346 else if ( !strcmpW( name, szStorages ) )
2347 return STORAGES_CreateView( db, view );
2349 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
2350 tv = msi_alloc_zero( sz );
2352 return ERROR_FUNCTION_FAILED;
2354 r = get_table( db, name, &tv->table );
2355 if( r != ERROR_SUCCESS )
2358 WARN("table not found\n");
2362 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
2364 /* fill the structure */
2365 tv->view.ops = &table_ops;
2367 tv->columns = tv->table->colinfo;
2368 tv->num_cols = tv->table->col_count;
2369 tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count, LONG_STR_BYTES );
2371 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
2373 *view = (MSIVIEW*) tv;
2374 lstrcpyW( tv->name, name );
2376 return ERROR_SUCCESS;
2379 UINT MSI_CommitTables( MSIDATABASE *db )
2381 UINT r, bytes_per_strref;
2383 MSITABLE *table = NULL;
2387 r = msi_save_string_table( db->strings, db->storage, &bytes_per_strref );
2388 if( r != ERROR_SUCCESS )
2390 WARN("failed to save string table r=%08x\n",r);
2394 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
2396 r = save_table( db, table, bytes_per_strref );
2397 if( r != ERROR_SUCCESS )
2399 WARN("failed to save table %s (r=%08x)\n",
2400 debugstr_w(table->name), r);
2405 /* force everything to reload next time */
2406 free_cached_tables( db );
2408 hr = IStorage_Commit( db->storage, 0 );
2411 WARN("failed to commit changes 0x%08x\n", hr);
2412 r = ERROR_FUNCTION_FAILED;
2417 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
2422 TRACE("%p %s\n", db, debugstr_w(table));
2425 return MSICONDITION_ERROR;
2427 r = get_table( db, table, &t );
2428 if (r != ERROR_SUCCESS)
2429 return MSICONDITION_NONE;
2431 return t->persistent;
2434 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
2438 for (i = 0; i < bytes; i++)
2439 ret += (data[col + i] << i * 8);
2444 static UINT msi_record_encoded_stream_name( const MSITABLEVIEW *tv, MSIRECORD *rec, LPWSTR *pstname )
2446 LPWSTR stname = NULL, sval, p;
2450 TRACE("%p %p\n", tv, rec);
2452 len = lstrlenW( tv->name ) + 1;
2453 stname = msi_alloc( len*sizeof(WCHAR) );
2456 r = ERROR_OUTOFMEMORY;
2460 lstrcpyW( stname, tv->name );
2462 for ( i = 0; i < tv->num_cols; i++ )
2464 if ( tv->columns[i].type & MSITYPE_KEY )
2466 sval = msi_dup_record_field( rec, i + 1 );
2469 r = ERROR_OUTOFMEMORY;
2473 len += lstrlenW( szDot ) + lstrlenW ( sval );
2474 p = msi_realloc ( stname, len*sizeof(WCHAR) );
2477 r = ERROR_OUTOFMEMORY;
2482 lstrcatW( stname, szDot );
2483 lstrcatW( stname, sval );
2491 *pstname = encode_streamname( FALSE, stname );
2494 return ERROR_SUCCESS;
2497 msi_free ( stname );
2502 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
2504 const BYTE *rawdata, UINT bytes_per_strref )
2506 UINT i, val, ofs = 0;
2508 MSICOLUMNINFO *columns = tv->columns;
2511 mask = rawdata[0] | (rawdata[1] << 8);
2514 rec = MSI_CreateRecord( tv->num_cols );
2519 for( i=0; i<tv->num_cols; i++ )
2521 if ( (mask&1) && (i>=(mask>>8)) )
2523 /* all keys must be present */
2524 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
2527 if( MSITYPE_IS_BINARY(tv->columns[i].type) )
2530 IStream *stm = NULL;
2533 ofs += bytes_per_column( tv->db, &columns[i], bytes_per_strref );
2535 r = msi_record_encoded_stream_name( tv, rec, &encname );
2536 if ( r != ERROR_SUCCESS )
2539 r = IStorage_OpenStream( stg, encname, NULL,
2540 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm );
2541 msi_free( encname );
2542 if ( r != ERROR_SUCCESS )
2545 MSI_RecordSetStream( rec, i+1, stm );
2546 TRACE(" field %d [%s]\n", i+1, debugstr_w(encname));
2548 else if( columns[i].type & MSITYPE_STRING )
2552 val = read_raw_int(rawdata, ofs, bytes_per_strref);
2553 sval = msi_string_lookup_id( st, val );
2554 MSI_RecordSetStringW( rec, i+1, sval );
2555 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
2556 ofs += bytes_per_strref;
2560 UINT n = bytes_per_column( tv->db, &columns[i], bytes_per_strref );
2564 val = read_raw_int(rawdata, ofs, n);
2566 MSI_RecordSetInteger( rec, i+1, val-0x8000 );
2567 TRACE(" field %d [0x%04x]\n", i+1, val );
2570 val = read_raw_int(rawdata, ofs, n);
2572 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
2573 TRACE(" field %d [0x%08x]\n", i+1, val );
2576 ERR("oops - unknown column width %d\n", n);
2585 static void dump_record( MSIRECORD *rec )
2589 n = MSI_RecordGetFieldCount( rec );
2590 for( i=1; i<=n; i++ )
2592 LPCWSTR sval = MSI_RecordGetString( rec, i );
2594 if( MSI_RecordIsNull( rec, i ) )
2595 TRACE("row -> []\n");
2596 else if( (sval = MSI_RecordGetString( rec, i )) )
2597 TRACE("row -> [%s]\n", debugstr_w(sval));
2599 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
2603 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
2608 for( i=0; i<(rawsize/2); i++ )
2610 sval = msi_string_lookup_id( st, rawdata[i] );
2611 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
2615 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
2620 data = msi_alloc( tv->num_cols *sizeof (UINT) );
2621 for( i=0; i<tv->num_cols; i++ )
2625 if ( ~tv->columns[i].type & MSITYPE_KEY )
2628 /* turn the transform column value into a row value */
2629 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
2630 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2632 str = MSI_RecordGetString( rec, i+1 );
2635 r = msi_string2idW( tv->db->strings, str, &data[i] );
2637 /* if there's no matching string in the string table,
2638 these keys can't match any record, so fail now. */
2639 if (r != ERROR_SUCCESS)
2649 data[i] = MSI_RecordGetInteger( rec, i+1 );
2651 if (data[i] == MSI_NULL_INTEGER)
2653 else if ((tv->columns[i].type&0xff) == 2)
2656 data[i] += 0x80000000;
2662 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2664 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2666 for( i=0; i<tv->num_cols; i++ )
2668 if ( ~tv->columns[i].type & MSITYPE_KEY )
2671 /* turn the transform column value into a row value */
2672 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2673 if ( r != ERROR_SUCCESS )
2675 ERR("TABLE_fetch_int shouldn't fail here\n");
2679 /* if this key matches, move to the next column */
2682 ret = ERROR_FUNCTION_FAILED;
2686 ret = ERROR_SUCCESS;
2692 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2694 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2696 data = msi_record_to_row( tv, rec );
2699 for( i = 0; i < tv->table->row_count; i++ )
2701 r = msi_row_matches( tv, i, data );
2702 if( r == ERROR_SUCCESS )
2718 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2719 string_table *st, TRANSFORMDATA *transform,
2720 UINT bytes_per_strref )
2723 BYTE *rawdata = NULL;
2724 MSITABLEVIEW *tv = NULL;
2725 UINT r, n, sz, i, mask;
2726 MSIRECORD *rec = NULL;
2732 return ERROR_SUCCESS;
2734 name = transform->name;
2737 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2739 /* read the transform data */
2740 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2743 TRACE("table %s empty\n", debugstr_w(name) );
2744 return ERROR_INVALID_TABLE;
2747 /* create a table view */
2748 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2749 if( r != ERROR_SUCCESS )
2752 r = tv->view.ops->execute( &tv->view, NULL );
2753 if( r != ERROR_SUCCESS )
2756 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2757 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2759 /* interpret the data */
2761 for( n=0; n < rawsize; )
2763 mask = rawdata[n] | (rawdata[n+1] << 8);
2768 * if the low bit is set, columns are continuous and
2769 * the number of columns is specified in the high byte
2772 for( i=0; i<tv->num_cols; i++ )
2774 if( (tv->columns[i].type & MSITYPE_STRING) &&
2775 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2776 sz += bytes_per_strref;
2778 sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref );
2784 * If the low bit is not set, mask is a bitmask.
2785 * Excepting for key fields, which are always present,
2786 * each bit indicates that a field is present in the transform record.
2788 * mask == 0 is a special case ... only the keys will be present
2789 * and it means that this row should be deleted.
2792 for( i=0; i<tv->num_cols; i++ )
2794 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2796 if( (tv->columns[i].type & MSITYPE_STRING) &&
2797 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2798 sz += bytes_per_strref;
2800 sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref );
2805 /* check we didn't run of the end of the table */
2806 if ( (n+sz) > rawsize )
2809 dump_table( st, (USHORT *)rawdata, rawsize );
2813 rec = msi_get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref );
2818 UINT number = MSI_NULL_INTEGER;
2821 if (!strcmpW( name, szColumns ))
2823 MSI_RecordGetStringW( rec, 1, table, &sz );
2824 number = MSI_RecordGetInteger( rec, 2 );
2827 * Native msi seems writes nul into the Number (2nd) column of
2828 * the _Columns table, only when the columns are from a new table
2830 if ( number == MSI_NULL_INTEGER )
2832 /* reset the column number on a new table */
2833 if (strcmpW( coltable, table ))
2836 lstrcpyW( coltable, table );
2839 /* fix nul column numbers */
2840 MSI_RecordSetInteger( rec, 2, ++colcol );
2844 if (TRACE_ON(msidb)) dump_record( rec );
2846 r = msi_table_find_row( tv, rec, &row );
2847 if (r == ERROR_SUCCESS)
2851 TRACE("deleting row [%d]:\n", row);
2852 r = TABLE_delete_row( &tv->view, row );
2853 if (r != ERROR_SUCCESS)
2854 WARN("failed to delete row %u\n", r);
2858 TRACE("modifying full row [%d]:\n", row);
2859 r = TABLE_set_row( &tv->view, row, rec, (1 << tv->num_cols) - 1 );
2860 if (r != ERROR_SUCCESS)
2861 WARN("failed to modify row %u\n", r);
2865 TRACE("modifying masked row [%d]:\n", row);
2866 r = TABLE_set_row( &tv->view, row, rec, mask );
2867 if (r != ERROR_SUCCESS)
2868 WARN("failed to modify row %u\n", r);
2873 TRACE("inserting row\n");
2874 r = TABLE_insert_row( &tv->view, rec, -1, FALSE );
2875 if (r != ERROR_SUCCESS)
2876 WARN("failed to insert row %u\n", r);
2879 if (number != MSI_NULL_INTEGER && !strcmpW( name, szColumns ))
2880 msi_update_table_columns( db, table );
2882 msiobj_release( &rec->hdr );
2889 /* no need to free the table, it's associated with the database */
2890 msi_free( rawdata );
2892 tv->view.ops->delete( &tv->view );
2894 return ERROR_SUCCESS;
2898 * msi_table_apply_transform
2900 * Enumerate the table transforms in a transform storage and apply each one.
2902 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2904 struct list transforms;
2905 IEnumSTATSTG *stgenum = NULL;
2906 TRANSFORMDATA *transform;
2907 TRANSFORMDATA *tables = NULL, *columns = NULL;
2910 string_table *strings;
2911 UINT ret = ERROR_FUNCTION_FAILED;
2912 UINT bytes_per_strref;
2914 TRACE("%p %p\n", db, stg );
2916 strings = msi_load_string_table( stg, &bytes_per_strref );
2920 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2924 list_init(&transforms);
2928 MSITABLEVIEW *tv = NULL;
2932 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2933 if ( FAILED( r ) || !count )
2936 decode_streamname( stat.pwcsName, name );
2937 CoTaskMemFree( stat.pwcsName );
2938 if ( name[0] != 0x4840 )
2941 if ( !strcmpW( name+1, szStringPool ) ||
2942 !strcmpW( name+1, szStringData ) )
2945 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2949 list_add_tail( &transforms, &transform->entry );
2951 transform->name = strdupW( name + 1 );
2953 if ( !strcmpW( transform->name, szTables ) )
2955 else if (!strcmpW( transform->name, szColumns ) )
2956 columns = transform;
2958 TRACE("transform contains stream %s\n", debugstr_w(name));
2960 /* load the table */
2961 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2962 if( r != ERROR_SUCCESS )
2965 r = tv->view.ops->execute( &tv->view, NULL );
2966 if( r != ERROR_SUCCESS )
2968 tv->view.ops->delete( &tv->view );
2972 tv->view.ops->delete( &tv->view );
2976 * Apply _Tables and _Columns transforms first so that
2977 * the table metadata is correct, and empty tables exist.
2979 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2980 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2983 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2984 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2987 ret = ERROR_SUCCESS;
2989 while ( !list_empty( &transforms ) )
2991 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2993 if ( strcmpW( transform->name, szColumns ) &&
2994 strcmpW( transform->name, szTables ) &&
2995 ret == ERROR_SUCCESS )
2997 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
3000 list_remove( &transform->entry );
3001 msi_free( transform->name );
3002 msi_free( transform );
3005 if ( ret == ERROR_SUCCESS )
3006 append_storage_to_db( db, stg );
3010 IEnumSTATSTG_Release( stgenum );
3012 msi_destroy_stringtable( strings );