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
45 #define LONG_STR_BYTES 3
47 typedef struct tagMSICOLUMNHASHENTRY
49 struct tagMSICOLUMNHASHENTRY *next;
54 typedef struct tagMSICOLUMNINFO
63 MSICOLUMNHASHENTRY **hash_table;
66 typedef struct tagMSIORDERINFO
76 BOOL *data_persistent;
79 MSICOLUMNINFO *colinfo;
81 MSICONDITION persistent;
86 typedef struct tagMSITRANSFORM {
91 static const WCHAR szStringData[] = {
92 '_','S','t','r','i','n','g','D','a','t','a',0 };
93 static const WCHAR szStringPool[] = {
94 '_','S','t','r','i','n','g','P','o','o','l',0 };
96 /* information for default tables */
97 static WCHAR szTables[] = { '_','T','a','b','l','e','s',0 };
98 static WCHAR szTable[] = { 'T','a','b','l','e',0 };
99 static WCHAR szName[] = { 'N','a','m','e',0 };
100 static WCHAR szColumns[] = { '_','C','o','l','u','m','n','s',0 };
101 static WCHAR szNumber[] = { 'N','u','m','b','e','r',0 };
102 static WCHAR szType[] = { 'T','y','p','e',0 };
104 static const MSICOLUMNINFO _Columns_cols[4] = {
105 { szColumns, 1, szTable, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
106 { szColumns, 2, szNumber, MSITYPE_VALID | MSITYPE_KEY | 2, 2, 0, 0, NULL },
107 { szColumns, 3, szName, MSITYPE_VALID | MSITYPE_STRING | 64, 4, 0, 0, NULL },
108 { szColumns, 4, szType, MSITYPE_VALID | 2, 6, 0, 0, NULL },
111 static const MSICOLUMNINFO _Tables_cols[1] = {
112 { szTables, 1, szName, MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, 0, NULL },
115 #define MAX_STREAM_NAME 0x1f
117 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name,
118 MSICOLUMNINFO **pcols, UINT *pcount );
119 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
121 static UINT get_tablecolumns( MSIDATABASE *db,
122 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz);
123 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count );
124 static UINT table_find_insert_idx (MSIVIEW *view, LPCWSTR name, INT *pidx);
126 static inline UINT bytes_per_column( MSIDATABASE *db, const MSICOLUMNINFO *col )
128 if( MSITYPE_IS_BINARY(col->type) )
131 if( col->type & MSITYPE_STRING )
132 return db->bytes_per_strref;
134 if( (col->type & 0xff) <= 2)
137 if( (col->type & 0xff) != 4 )
138 ERR("Invalid column size!\n");
143 static int utf2mime(int x)
145 if( (x>='0') && (x<='9') )
147 if( (x>='A') && (x<='Z') )
149 if( (x>='a') && (x<='z') )
158 static LPWSTR encode_streamname(BOOL bTable, LPCWSTR in)
160 DWORD count = MAX_STREAM_NAME;
165 count = lstrlenW( in )+2;
166 out = msi_alloc( count*sizeof(WCHAR) );
182 if( ( ch < 0x80 ) && ( utf2mime(ch) >= 0 ) )
184 ch = utf2mime(ch) + 0x4800;
186 if( next && (next<0x80) )
188 next = utf2mime(next);
199 ERR("Failed to encode stream name (%s)\n",debugstr_w(in));
204 static int mime2utf(int x)
211 return x - 10 - 26 + 'a';
212 if( x == (10+26+26) )
217 BOOL decode_streamname(LPCWSTR in, LPWSTR out)
222 while ( (ch = *in++) )
224 if( (ch >= 0x3800 ) && (ch < 0x4840 ) )
227 ch = mime2utf(ch-0x4800);
231 *out++ = mime2utf(ch&0x3f);
233 ch = mime2utf((ch>>6)&0x3f);
243 void enum_stream_names( IStorage *stg )
245 IEnumSTATSTG *stgenum = NULL;
251 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
259 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
260 if( FAILED( r ) || !count )
262 decode_streamname( stat.pwcsName, name );
263 TRACE("stream %2d -> %s %s\n", n,
264 debugstr_w(stat.pwcsName), debugstr_w(name) );
265 CoTaskMemFree( stat.pwcsName );
269 IEnumSTATSTG_Release( stgenum );
272 UINT read_stream_data( IStorage *stg, LPCWSTR stname, BOOL table,
273 BYTE **pdata, UINT *psz )
276 UINT ret = ERROR_FUNCTION_FAILED;
283 encname = encode_streamname(table, stname);
285 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
287 r = IStorage_OpenStream(stg, encname, NULL,
288 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm);
292 WARN("open stream failed r = %08x - empty table?\n", r);
296 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
299 WARN("open stream failed r = %08x!\n", r);
303 if( stat.cbSize.QuadPart >> 32 )
309 sz = stat.cbSize.QuadPart;
310 data = msi_alloc( sz );
313 WARN("couldn't allocate memory r=%08x!\n", r);
314 ret = ERROR_NOT_ENOUGH_MEMORY;
318 r = IStream_Read(stm, data, sz, &count );
319 if( FAILED( r ) || ( count != sz ) )
322 WARN("read stream failed r = %08x!\n", r);
331 IStream_Release( stm );
336 static UINT db_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
341 encname = encode_streamname(FALSE, stname);
343 TRACE("%s -> %s\n",debugstr_w(stname),debugstr_w(encname));
345 r = IStorage_OpenStream(db->storage, encname, NULL,
346 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm);
349 MSITRANSFORM *transform;
351 LIST_FOR_EACH_ENTRY( transform, &db->transforms, MSITRANSFORM, entry )
353 TRACE("looking for %s in transform storage\n", debugstr_w(stname) );
354 r = IStorage_OpenStream( transform->stg, encname, NULL,
355 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
363 return SUCCEEDED(r) ? ERROR_SUCCESS : ERROR_FUNCTION_FAILED;
366 UINT read_raw_stream_data( MSIDATABASE *db, LPCWSTR stname,
367 USHORT **pdata, UINT *psz )
370 UINT ret = ERROR_FUNCTION_FAILED;
376 r = db_get_raw_stream( db, stname, &stm );
377 if( r != ERROR_SUCCESS)
379 r = IStream_Stat(stm, &stat, STATFLAG_NONAME );
382 WARN("open stream failed r = %08x!\n", r);
386 if( stat.cbSize.QuadPart >> 32 )
392 sz = stat.cbSize.QuadPart;
393 data = msi_alloc( sz );
396 WARN("couldn't allocate memory r=%08x!\n", r);
397 ret = ERROR_NOT_ENOUGH_MEMORY;
401 r = IStream_Read(stm, data, sz, &count );
402 if( FAILED( r ) || ( count != sz ) )
405 WARN("read stream failed r = %08x!\n", r);
414 IStream_Release( stm );
419 UINT write_stream_data( IStorage *stg, LPCWSTR stname,
420 LPCVOID data, UINT sz, BOOL bTable )
423 UINT ret = ERROR_FUNCTION_FAILED;
430 encname = encode_streamname(bTable, stname );
431 r = IStorage_OpenStream( stg, encname, NULL,
432 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, &stm);
435 r = IStorage_CreateStream( stg, encname,
436 STGM_WRITE | STGM_SHARE_EXCLUSIVE, 0, 0, &stm);
441 WARN("open stream failed r = %08x\n", r);
446 r = IStream_SetSize( stm, size );
449 WARN("Failed to SetSize\n");
454 r = IStream_Seek( stm, pos, STREAM_SEEK_SET, NULL );
457 WARN("Failed to Seek\n");
463 r = IStream_Write(stm, data, sz, &count );
464 if( FAILED( r ) || ( count != sz ) )
466 WARN("Failed to Write\n");
474 IStream_Release( stm );
479 static void free_table( MSITABLE *table )
482 for( i=0; i<table->row_count; i++ )
483 msi_free( table->data[i] );
484 msi_free( table->data );
485 msi_free( table->data_persistent );
486 msi_free_colinfo( table->colinfo, table->col_count );
487 msi_free( table->colinfo );
491 static UINT msi_table_get_row_size( MSIDATABASE *db,const MSICOLUMNINFO *cols,
494 const MSICOLUMNINFO *last_col = &cols[count-1];
497 return last_col->offset + bytes_per_column( db, last_col );
500 /* add this table to the list of cached tables in the database */
501 static UINT read_table_from_storage( MSIDATABASE *db, MSITABLE *t, IStorage *stg )
503 BYTE *rawdata = NULL;
504 UINT rawsize = 0, i, j, row_size = 0;
506 TRACE("%s\n",debugstr_w(t->name));
508 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
510 /* if we can't read the table, just assume that it's empty */
511 read_stream_data( stg, t->name, TRUE, &rawdata, &rawsize );
513 return ERROR_SUCCESS;
515 TRACE("Read %d bytes\n", rawsize );
517 if( rawsize % row_size )
519 WARN("Table size is invalid %d/%d\n", rawsize, row_size );
523 t->row_count = rawsize / row_size;
524 t->data = msi_alloc_zero( t->row_count * sizeof (USHORT*) );
527 t->data_persistent = msi_alloc_zero( t->row_count * sizeof(BOOL));
528 if ( !t->data_persistent )
531 /* transpose all the data */
532 TRACE("Transposing data from %d rows\n", t->row_count );
533 for( i=0; i<t->row_count; i++ )
535 t->data[i] = msi_alloc( row_size );
538 t->data_persistent[i] = TRUE;
540 for( j=0; j<t->col_count; j++ )
542 UINT ofs = t->colinfo[j].offset;
543 UINT n = bytes_per_column( db, &t->colinfo[j] );
546 if ( n != 2 && n != 3 && n != 4 )
548 ERR("oops - unknown column width %d\n", n);
552 for ( k = 0; k < n; k++ )
553 t->data[i][ofs + k] = rawdata[ofs*t->row_count + i * n + k];
558 return ERROR_SUCCESS;
561 return ERROR_FUNCTION_FAILED;
564 void free_cached_tables( MSIDATABASE *db )
566 while( !list_empty( &db->tables ) )
568 MSITABLE *t = LIST_ENTRY( list_head( &db->tables ), MSITABLE, entry );
570 list_remove( &t->entry );
575 static MSITABLE *find_cached_table( MSIDATABASE *db, LPCWSTR name )
579 LIST_FOR_EACH_ENTRY( t, &db->tables, MSITABLE, entry )
580 if( !lstrcmpW( name, t->name ) )
586 static UINT table_get_column_info( MSIDATABASE *db, LPCWSTR name, MSICOLUMNINFO **pcols, UINT *pcount )
588 UINT r, column_count = 0;
589 MSICOLUMNINFO *columns;
591 /* get the number of columns in this table */
593 r = get_tablecolumns( db, name, NULL, &column_count );
594 if( r != ERROR_SUCCESS )
597 *pcount = column_count;
599 /* if there's no columns, there's no table */
600 if( column_count == 0 )
601 return ERROR_INVALID_PARAMETER;
603 TRACE("Table %s found\n", debugstr_w(name) );
605 columns = msi_alloc( column_count*sizeof (MSICOLUMNINFO) );
607 return ERROR_FUNCTION_FAILED;
609 r = get_tablecolumns( db, name, columns, &column_count );
610 if( r != ERROR_SUCCESS )
613 return ERROR_FUNCTION_FAILED;
621 UINT msi_create_table( MSIDATABASE *db, LPCWSTR name, column_info *col_info,
622 MSICONDITION persistent, MSITABLE **table_ret)
626 MSIRECORD *rec = NULL;
632 /* only add tables that don't exist already */
633 if( TABLE_Exists(db, name ) )
635 WARN("table %s exists\n", debugstr_w(name));
636 return ERROR_BAD_QUERY_SYNTAX;
639 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
641 return ERROR_FUNCTION_FAILED;
643 table->ref_count = 1;
644 table->row_count = 0;
646 table->data_persistent = NULL;
647 table->colinfo = NULL;
648 table->col_count = 0;
649 table->persistent = persistent;
650 lstrcpyW( table->name, name );
652 for( col = col_info; col; col = col->next )
655 table->colinfo = msi_alloc( table->col_count * sizeof(MSICOLUMNINFO) );
659 return ERROR_FUNCTION_FAILED;
662 for( i = 0, col = col_info; col; i++, col = col->next )
664 table->colinfo[ i ].tablename = strdupW( col->table );
665 table->colinfo[ i ].number = i + 1;
666 table->colinfo[ i ].colname = strdupW( col->column );
667 table->colinfo[ i ].type = col->type;
668 table->colinfo[ i ].offset = 0;
669 table->colinfo[ i ].ref_count = 0;
670 table->colinfo[ i ].hash_table = NULL;
671 table->colinfo[ i ].temporary = col->temporary;
673 table_calc_column_offsets( db, table->colinfo, table->col_count);
675 r = TABLE_CreateView( db, szTables, &tv );
676 TRACE("CreateView returned %x\n", r);
683 r = tv->ops->execute( tv, 0 );
684 TRACE("tv execute returned %x\n", r);
688 rec = MSI_CreateRecord( 1 );
692 r = MSI_RecordSetStringW( rec, 1, name );
696 r = table_find_insert_idx (tv, name, &idx);
697 if (r != ERROR_SUCCESS)
700 r = tv->ops->insert_row( tv, rec, idx, persistent == MSICONDITION_FALSE );
701 TRACE("insert_row returned %x\n", r);
705 tv->ops->delete( tv );
708 msiobj_release( &rec->hdr );
711 if( persistent != MSICONDITION_FALSE )
713 /* add each column to the _Columns table */
714 r = TABLE_CreateView( db, szColumns, &tv );
718 r = tv->ops->execute( tv, 0 );
719 TRACE("tv execute returned %x\n", r);
723 rec = MSI_CreateRecord( 4 );
727 r = MSI_RecordSetStringW( rec, 1, name );
732 * need to set the table, column number, col name and type
733 * for each column we enter in the table
736 for( col = col_info; col; col = col->next )
738 r = MSI_RecordSetInteger( rec, 2, nField );
742 r = MSI_RecordSetStringW( rec, 3, col->column );
746 r = MSI_RecordSetInteger( rec, 4, col->type );
750 r = table_find_insert_idx (tv, name, &idx);
751 if (r != ERROR_SUCCESS)
754 r = tv->ops->insert_row( tv, rec, idx, FALSE );
766 msiobj_release( &rec->hdr );
767 /* FIXME: remove values from the string table on error */
769 tv->ops->delete( tv );
771 if (r == ERROR_SUCCESS)
773 list_add_head( &db->tables, &table->entry );
782 static UINT get_table( MSIDATABASE *db, LPCWSTR name, MSITABLE **table_ret )
787 /* first, see if the table is cached */
788 table = find_cached_table( db, name );
792 return ERROR_SUCCESS;
795 /* nonexistent tables should be interpreted as empty tables */
796 table = msi_alloc( sizeof (MSITABLE) + lstrlenW(name)*sizeof (WCHAR) );
798 return ERROR_FUNCTION_FAILED;
800 table->row_count = 0;
802 table->data_persistent = NULL;
803 table->colinfo = NULL;
804 table->col_count = 0;
805 table->persistent = MSICONDITION_TRUE;
806 lstrcpyW( table->name, name );
808 if ( !lstrcmpW(name, szTables) || !lstrcmpW(name, szColumns) )
809 table->persistent = MSICONDITION_NONE;
811 r = table_get_column_info( db, name, &table->colinfo, &table->col_count);
812 if (r != ERROR_SUCCESS)
814 free_table ( table );
818 r = read_table_from_storage( db, table, db->storage );
819 if( r != ERROR_SUCCESS )
825 list_add_head( &db->tables, &table->entry );
827 return ERROR_SUCCESS;
830 static UINT save_table( MSIDATABASE *db, const MSITABLE *t )
832 BYTE *rawdata = NULL, *p;
833 UINT rawsize, r, i, j, row_size;
835 /* Nothing to do for non-persistent tables */
836 if( t->persistent == MSICONDITION_FALSE )
837 return ERROR_SUCCESS;
839 TRACE("Saving %s\n", debugstr_w( t->name ) );
841 row_size = msi_table_get_row_size( db, t->colinfo, t->col_count );
843 rawsize = t->row_count * row_size;
844 rawdata = msi_alloc_zero( rawsize );
847 r = ERROR_NOT_ENOUGH_MEMORY;
853 for( i=0; i<t->col_count; i++ )
855 for( j=0; j<t->row_count; j++ )
857 UINT offset = t->colinfo[i].offset;
859 if (!t->data_persistent[j]) continue;
863 *p++ = t->data[j][offset];
864 *p++ = t->data[j][offset + 1];
865 if( 4 == bytes_per_column( db, &t->colinfo[i] ) )
867 *p++ = t->data[j][offset + 2];
868 *p++ = t->data[j][offset + 3];
873 TRACE("writing %d bytes\n", rawsize);
874 r = write_stream_data( db->storage, t->name, rawdata, rawsize, TRUE );
882 static void table_calc_column_offsets( MSIDATABASE *db, MSICOLUMNINFO *colinfo,
887 for( i=0; colinfo && (i<count); i++ )
889 assert( (i+1) == colinfo[ i ].number );
891 colinfo[i].offset = colinfo[ i - 1 ].offset
892 + bytes_per_column( db, &colinfo[ i - 1 ] );
894 colinfo[i].offset = 0;
895 TRACE("column %d is [%s] with type %08x ofs %d\n",
896 colinfo[i].number, debugstr_w(colinfo[i].colname),
897 colinfo[i].type, colinfo[i].offset);
901 static UINT get_defaulttablecolumns( MSIDATABASE *db, LPCWSTR name,
902 MSICOLUMNINFO *colinfo, UINT *sz)
904 const MSICOLUMNINFO *p;
907 TRACE("%s\n", debugstr_w(name));
909 if (!lstrcmpW( name, szTables ))
914 else if (!lstrcmpW( name, szColumns ))
920 return ERROR_FUNCTION_FAILED;
922 /* duplicate the string data so we can free it in msi_free_colinfo */
925 if (colinfo && (i < *sz) )
928 colinfo[i].tablename = strdupW( p[i].tablename );
929 colinfo[i].colname = strdupW( p[i].colname );
931 if( colinfo && (i >= *sz) )
934 table_calc_column_offsets( db, colinfo, n );
936 return ERROR_SUCCESS;
939 static void msi_free_colinfo( MSICOLUMNINFO *colinfo, UINT count )
943 for( i=0; i<count; i++ )
945 msi_free( colinfo[i].tablename );
946 msi_free( colinfo[i].colname );
947 msi_free( colinfo[i].hash_table );
951 static LPWSTR msi_makestring( const MSIDATABASE *db, UINT stringid)
953 return strdupW(msi_string_lookup_id( db->strings, stringid ));
956 static UINT read_table_int(BYTE *const *data, UINT row, UINT col, UINT bytes)
960 for (i = 0; i < bytes; i++)
961 ret += (data[row][col + i] << i * 8);
966 static UINT get_tablecolumns( MSIDATABASE *db,
967 LPCWSTR szTableName, MSICOLUMNINFO *colinfo, UINT *sz)
969 UINT r, i, n=0, table_id, count, maxcount = *sz;
970 MSITABLE *table = NULL;
972 TRACE("%s\n", debugstr_w(szTableName));
974 /* first check if there is a default table with that name */
975 r = get_defaulttablecolumns( db, szTableName, colinfo, sz );
976 if( ( r == ERROR_SUCCESS ) && *sz )
979 r = get_table( db, szColumns, &table );
980 if( r != ERROR_SUCCESS )
982 ERR("couldn't load _Columns table\n");
983 return ERROR_FUNCTION_FAILED;
986 /* convert table and column names to IDs from the string table */
987 r = msi_string2idW( db->strings, szTableName, &table_id );
988 if( r != ERROR_SUCCESS )
990 WARN("Couldn't find id for %s\n", debugstr_w(szTableName));
994 TRACE("Table id is %d, row count is %d\n", table_id, table->row_count);
996 /* Note: _Columns table doesn't have non-persistent data */
998 /* if maxcount is non-zero, assume it's exactly right for this table */
999 memset( colinfo, 0, maxcount*sizeof(*colinfo) );
1000 count = table->row_count;
1001 for( i=0; i<count; i++ )
1003 if( read_table_int(table->data, i, 0, db->bytes_per_strref) != table_id )
1007 UINT id = read_table_int(table->data, i, table->colinfo[2].offset, db->bytes_per_strref);
1008 UINT col = read_table_int(table->data, i, table->colinfo[1].offset, sizeof(USHORT)) - (1<<15);
1010 /* check the column number is in range */
1011 if (col<1 || col>maxcount)
1013 ERR("column %d out of range\n", col);
1017 /* check if this column was already set */
1018 if (colinfo[ col - 1 ].number)
1020 ERR("duplicate column %d\n", col);
1024 colinfo[ col - 1 ].tablename = msi_makestring( db, table_id );
1025 colinfo[ col - 1 ].number = col;
1026 colinfo[ col - 1 ].colname = msi_makestring( db, id );
1027 colinfo[ col - 1 ].type = read_table_int(table->data, i,
1028 table->colinfo[3].offset,
1029 sizeof(USHORT)) - (1<<15);
1030 colinfo[ col - 1 ].offset = 0;
1031 colinfo[ col - 1 ].ref_count = 0;
1032 colinfo[ col - 1 ].hash_table = NULL;
1037 TRACE("%s has %d columns\n", debugstr_w(szTableName), n);
1039 if (colinfo && n != maxcount)
1041 ERR("missing column in table %s\n", debugstr_w(szTableName));
1042 msi_free_colinfo(colinfo, maxcount );
1043 return ERROR_FUNCTION_FAILED;
1046 table_calc_column_offsets( db, colinfo, n );
1049 return ERROR_SUCCESS;
1052 static void msi_update_table_columns( MSIDATABASE *db, LPCWSTR name )
1055 UINT size, offset, old_count;
1058 table = find_cached_table( db, name );
1059 old_count = table->col_count;
1060 msi_free( table->colinfo );
1061 table->colinfo = NULL;
1063 table_get_column_info( db, name, &table->colinfo, &table->col_count );
1064 if (!table->col_count)
1067 size = msi_table_get_row_size( db, table->colinfo, table->col_count );
1068 offset = table->colinfo[table->col_count - 1].offset;
1070 for ( n = 0; n < table->row_count; n++ )
1072 table->data[n] = msi_realloc( table->data[n], size );
1073 if (old_count < table->col_count)
1074 memset( &table->data[n][offset], 0, size - offset );
1078 /* try to find the table name in the _Tables table */
1079 BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
1081 UINT r, table_id = 0, i, count;
1082 MSITABLE *table = NULL;
1084 static const WCHAR szStreams[] = {'_','S','t','r','e','a','m','s',0};
1085 static const WCHAR szStorages[] = {'_','S','t','o','r','a','g','e','s',0};
1087 if( !lstrcmpW( name, szTables ) || !lstrcmpW( name, szColumns ) ||
1088 !lstrcmpW( name, szStreams ) || !lstrcmpW( name, szStorages ) )
1091 r = msi_string2idW( db->strings, name, &table_id );
1092 if( r != ERROR_SUCCESS )
1094 TRACE("Couldn't find id for %s\n", debugstr_w(name));
1098 r = get_table( db, szTables, &table );
1099 if( r != ERROR_SUCCESS )
1101 ERR("table %s not available\n", debugstr_w(szTables));
1105 count = table->row_count;
1106 for( i=0; i<count; i++ )
1107 if( table->data[ i ][ 0 ] == table_id )
1113 /* below is the query interface to a table */
1115 typedef struct tagMSITABLEVIEW
1120 MSICOLUMNINFO *columns;
1121 MSIORDERINFO *order;
1127 static UINT TABLE_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
1129 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1133 return ERROR_INVALID_PARAMETER;
1135 if( (col==0) || (col>tv->num_cols) )
1136 return ERROR_INVALID_PARAMETER;
1138 /* how many rows are there ? */
1139 if( row >= tv->table->row_count )
1140 return ERROR_NO_MORE_ITEMS;
1142 if( tv->columns[col-1].offset >= tv->row_size )
1144 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1145 ERR("%p %p\n", tv, tv->columns );
1146 return ERROR_FUNCTION_FAILED;
1150 row = tv->order->reorder[row];
1152 n = bytes_per_column( tv->db, &tv->columns[col-1] );
1153 if (n != 2 && n != 3 && n != 4)
1155 ERR("oops! what is %d bytes per column?\n", n );
1156 return ERROR_FUNCTION_FAILED;
1159 offset = tv->columns[col-1].offset;
1160 *val = read_table_int(tv->table->data, row, offset, n);
1162 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1164 return ERROR_SUCCESS;
1167 static UINT msi_stream_name( const MSITABLEVIEW *tv, UINT row, LPWSTR *pstname )
1169 LPWSTR p, stname = NULL;
1170 UINT i, r, type, ival;
1173 MSIVIEW *view = (MSIVIEW *) tv;
1175 TRACE("%p %d\n", tv, row);
1177 len = lstrlenW( tv->name ) + 1;
1178 stname = msi_alloc( len*sizeof(WCHAR) );
1181 r = ERROR_OUTOFMEMORY;
1185 lstrcpyW( stname, tv->name );
1187 for ( i = 0; i < tv->num_cols; i++ )
1189 type = tv->columns[i].type;
1190 if ( type & MSITYPE_KEY )
1192 static const WCHAR szDot[] = { '.', 0 };
1194 r = TABLE_fetch_int( view, row, i+1, &ival );
1195 if ( r != ERROR_SUCCESS )
1198 if ( tv->columns[i].type & MSITYPE_STRING )
1200 sval = msi_string_lookup_id( tv->db->strings, ival );
1203 r = ERROR_INVALID_PARAMETER;
1209 static const WCHAR fmt[] = { '%','d',0 };
1211 UINT n = bytes_per_column( tv->db, &tv->columns[i] );
1216 sprintfW( number, fmt, ival^0x8000 );
1219 sprintfW( number, fmt, ival^0x80000000 );
1222 ERR( "oops - unknown column width %d\n", n );
1223 r = ERROR_FUNCTION_FAILED;
1229 len += lstrlenW( szDot ) + lstrlenW( sval );
1230 p = msi_realloc ( stname, len*sizeof(WCHAR) );
1233 r = ERROR_OUTOFMEMORY;
1238 lstrcatW( stname, szDot );
1239 lstrcatW( stname, sval );
1246 return ERROR_SUCCESS;
1255 * We need a special case for streams, as we need to reference column with
1256 * the name of the stream in the same table, and the table name
1257 * which may not be available at higher levels of the query
1259 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1261 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1263 LPWSTR full_name = NULL;
1265 if( !view->ops->fetch_int )
1266 return ERROR_INVALID_PARAMETER;
1268 r = msi_stream_name( tv, row, &full_name );
1269 if ( r != ERROR_SUCCESS )
1271 ERR("fetching stream, error = %d\n", r);
1275 r = db_get_raw_stream( tv->db, full_name, stm );
1277 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1278 msi_free( full_name );
1283 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1288 return ERROR_INVALID_PARAMETER;
1290 if( (col==0) || (col>tv->num_cols) )
1291 return ERROR_INVALID_PARAMETER;
1293 if( row >= tv->table->row_count )
1294 return ERROR_INVALID_PARAMETER;
1296 if( tv->columns[col-1].offset >= tv->row_size )
1298 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1299 ERR("%p %p\n", tv, tv->columns );
1300 return ERROR_FUNCTION_FAILED;
1303 msi_free( tv->columns[col-1].hash_table );
1304 tv->columns[col-1].hash_table = NULL;
1306 n = bytes_per_column( tv->db, &tv->columns[col-1] );
1307 if ( n != 2 && n != 3 && n != 4 )
1309 ERR("oops! what is %d bytes per column?\n", n );
1310 return ERROR_FUNCTION_FAILED;
1313 offset = tv->columns[col-1].offset;
1314 for ( i = 0; i < n; i++ )
1315 tv->table->data[row][offset + i] = (val >> i * 8) & 0xff;
1317 return ERROR_SUCCESS;
1320 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1322 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1325 return ERROR_INVALID_PARAMETER;
1328 row = tv->order->reorder[row];
1330 return msi_view_get_row(tv->db, view, row, rec);
1333 static UINT msi_addstreamW( MSIDATABASE *db, LPCWSTR name, IStream *data )
1336 MSIQUERY *query = NULL;
1337 MSIRECORD *rec = NULL;
1339 static const WCHAR insert[] = {
1340 'I','N','S','E','R','T',' ','I','N','T','O',' ',
1341 '`','_','S','t','r','e','a','m','s','`',' ',
1342 '(','`','N','a','m','e','`',',',
1343 '`','D','a','t','a','`',')',' ',
1344 'V','A','L','U','E','S',' ','(','?',',','?',')',0};
1346 TRACE("%p %s %p\n", db, debugstr_w(name), data);
1348 rec = MSI_CreateRecord( 2 );
1350 return ERROR_OUTOFMEMORY;
1352 r = MSI_RecordSetStringW( rec, 1, name );
1353 if ( r != ERROR_SUCCESS )
1356 r = MSI_RecordSetIStream( rec, 2, data );
1357 if ( r != ERROR_SUCCESS )
1360 r = MSI_DatabaseOpenViewW( db, insert, &query );
1361 if ( r != ERROR_SUCCESS )
1364 r = MSI_ViewExecute( query, rec );
1367 msiobj_release( &query->hdr );
1368 msiobj_release( &rec->hdr );
1373 static UINT TABLE_set_row( struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask )
1375 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1376 UINT i, val, r = ERROR_SUCCESS;
1379 return ERROR_INVALID_PARAMETER;
1381 /* test if any of the mask bits are invalid */
1382 if ( mask >= (1<<tv->num_cols) )
1383 return ERROR_INVALID_PARAMETER;
1385 for ( i = 0; i < tv->num_cols; i++ )
1389 /* only update the fields specified in the mask */
1390 if ( !(mask&(1<<i)) )
1393 persistent = (tv->table->persistent != MSICONDITION_FALSE) &&
1394 (tv->table->data_persistent[row]);
1395 /* FIXME: should we allow updating keys? */
1398 if ( !MSI_RecordIsNull( rec, i + 1 ) )
1400 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1405 r = MSI_RecordGetIStream( rec, i + 1, &stm );
1406 if ( r != ERROR_SUCCESS )
1409 r = msi_stream_name( tv, row, &stname );
1410 if ( r != ERROR_SUCCESS )
1412 IStream_Release( stm );
1416 r = msi_addstreamW( tv->db, stname, stm );
1417 IStream_Release( stm );
1418 msi_free ( stname );
1420 if ( r != ERROR_SUCCESS )
1423 val = 1; /* refers to the first key column */
1425 else if ( tv->columns[i].type & MSITYPE_STRING )
1427 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1430 r = msi_string2idW(tv->db->strings, sval, &ival);
1431 if (r == ERROR_SUCCESS)
1433 TABLE_fetch_int(&tv->view, row, i + 1, &x);
1438 val = msi_addstringW( tv->db->strings, 0, sval, -1, 1,
1439 persistent ? StringPersistent : StringNonPersistent );
1441 else if ( 2 == bytes_per_column( tv->db, &tv->columns[ i ] ) )
1443 val = 0x8000 + MSI_RecordGetInteger( rec, i + 1 );
1444 if ( val & 0xffff0000 )
1446 ERR("field %u value %d out of range\n", i+1, val - 0x8000 );
1447 return ERROR_FUNCTION_FAILED;
1452 INT ival = MSI_RecordGetInteger( rec, i + 1 );
1453 val = ival ^ 0x80000000;
1457 r = TABLE_set_int( tv, row, i+1, val );
1458 if ( r != ERROR_SUCCESS )
1464 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1466 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1471 BOOL **data_persist_ptr;
1474 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1477 return ERROR_INVALID_PARAMETER;
1479 row = msi_alloc_zero( tv->row_size );
1481 return ERROR_NOT_ENOUGH_MEMORY;
1483 row_count = &tv->table->row_count;
1484 data_ptr = &tv->table->data;
1485 data_persist_ptr = &tv->table->data_persistent;
1487 *num = tv->table->row_count;
1489 sz = (*row_count + 1) * sizeof (BYTE*);
1491 p = msi_realloc( *data_ptr, sz );
1493 p = msi_alloc( sz );
1497 return ERROR_NOT_ENOUGH_MEMORY;
1500 sz = (*row_count + 1) * sizeof (BOOL);
1501 if( *data_persist_ptr )
1502 b = msi_realloc( *data_persist_ptr, sz );
1504 b = msi_alloc( sz );
1509 return ERROR_NOT_ENOUGH_MEMORY;
1513 (*data_ptr)[*row_count] = row;
1515 *data_persist_ptr = b;
1516 (*data_persist_ptr)[*row_count] = !temporary;
1520 return ERROR_SUCCESS;
1523 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1525 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1527 TRACE("%p %p\n", tv, record);
1529 TRACE("There are %d columns\n", tv->num_cols );
1531 return ERROR_SUCCESS;
1534 static UINT TABLE_close( struct tagMSIVIEW *view )
1536 TRACE("%p\n", view );
1538 return ERROR_SUCCESS;
1541 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1543 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1545 TRACE("%p %p %p\n", view, rows, cols );
1548 *cols = tv->num_cols;
1552 return ERROR_INVALID_PARAMETER;
1553 *rows = tv->table->row_count;
1556 return ERROR_SUCCESS;
1559 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1560 UINT n, LPWSTR *name, UINT *type, BOOL *temporary )
1562 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1564 TRACE("%p %d %p %p\n", tv, n, name, type );
1566 if( ( n == 0 ) || ( n > tv->num_cols ) )
1567 return ERROR_INVALID_PARAMETER;
1571 *name = strdupW( tv->columns[n-1].colname );
1573 return ERROR_FUNCTION_FAILED;
1577 *type = tv->columns[n-1].type;
1580 *temporary = tv->columns[n-1].temporary;
1582 return ERROR_SUCCESS;
1585 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1587 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1591 /* check there's no null values where they're not allowed */
1592 for( i = 0; i < tv->num_cols; i++ )
1594 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1597 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1598 TRACE("skipping binary column\n");
1599 else if ( tv->columns[i].type & MSITYPE_STRING )
1603 str = MSI_RecordGetString( rec, i+1 );
1604 if (str == NULL || str[0] == 0)
1605 return ERROR_INVALID_DATA;
1611 n = MSI_RecordGetInteger( rec, i+1 );
1612 if (n == MSI_NULL_INTEGER)
1613 return ERROR_INVALID_DATA;
1617 /* check there's no duplicate keys */
1618 r = msi_table_find_row( tv, rec, &row );
1619 if (r == ERROR_SUCCESS)
1620 return ERROR_FUNCTION_FAILED;
1622 return ERROR_SUCCESS;
1625 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary )
1627 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1630 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1632 /* check that the key is unique - can we find a matching row? */
1633 r = table_validate_new( tv, rec );
1634 if( r != ERROR_SUCCESS )
1635 return ERROR_FUNCTION_FAILED;
1637 r = table_create_new_row( view, &row, temporary );
1638 TRACE("insert_row returned %08x\n", r);
1639 if( r != ERROR_SUCCESS )
1642 /* shift the rows to make room for the new row */
1643 for (i = tv->table->row_count - 1; i > row; i--)
1645 memmove(&(tv->table->data[i][0]),
1646 &(tv->table->data[i - 1][0]), tv->row_size);
1647 tv->table->data_persistent[i] = tv->table->data_persistent[i - 1];
1650 /* Re-set the persistence flag */
1651 tv->table->data_persistent[row] = !temporary;
1652 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1655 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1657 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1658 UINT r, num_rows, num_cols, i;
1660 TRACE("%p %d\n", tv, row);
1663 return ERROR_INVALID_PARAMETER;
1665 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1666 if ( r != ERROR_SUCCESS )
1669 if ( row >= num_rows )
1670 return ERROR_FUNCTION_FAILED;
1672 num_rows = tv->table->row_count;
1673 tv->table->row_count--;
1675 /* reset the hash tables */
1676 for (i = 0; i < tv->num_cols; i++)
1678 msi_free( tv->columns[i].hash_table );
1679 tv->columns[i].hash_table = NULL;
1682 if ( row == num_rows - 1 )
1683 return ERROR_SUCCESS;
1685 for (i = row + 1; i < num_rows; i++)
1687 memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size);
1688 tv->table->data_persistent[i - 1] = tv->table->data_persistent[i];
1691 return ERROR_SUCCESS;
1694 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1696 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1699 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1700 * sets the fetched record apart from other records
1704 return ERROR_INVALID_PARAMETER;
1706 r = msi_table_find_row(tv, rec, &new_row);
1707 if (r != ERROR_SUCCESS)
1709 ERR("can't find row to modify\n");
1710 return ERROR_FUNCTION_FAILED;
1713 /* the row cannot be changed */
1714 if (row != new_row + 1)
1715 return ERROR_FUNCTION_FAILED;
1717 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1720 static UINT msi_table_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
1722 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1726 return ERROR_INVALID_PARAMETER;
1728 r = msi_table_find_row(tv, rec, &row);
1729 if (r == ERROR_SUCCESS)
1730 return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1);
1732 return TABLE_insert_row( view, rec, -1, FALSE );
1735 static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1737 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1740 r = msi_table_find_row(tv, rec, &row);
1741 if (r != ERROR_SUCCESS)
1744 return TABLE_delete_row(view, row);
1747 static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row )
1752 r = TABLE_get_row(view, row - 1, &curr);
1753 if (r != ERROR_SUCCESS)
1756 count = MSI_RecordGetFieldCount(rec);
1757 for (i = 0; i < count; i++)
1758 MSI_RecordCopyField(curr, i + 1, rec, i + 1);
1760 msiobj_release(&curr->hdr);
1761 return ERROR_SUCCESS;
1764 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1765 MSIRECORD *rec, UINT row)
1767 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1770 TRACE("%p %d %p\n", view, eModifyMode, rec );
1772 switch (eModifyMode)
1774 case MSIMODIFY_DELETE:
1775 r = modify_delete_row( view, rec );
1777 case MSIMODIFY_VALIDATE_NEW:
1778 r = table_validate_new( tv, rec );
1781 case MSIMODIFY_INSERT:
1782 r = table_validate_new( tv, rec );
1783 if (r != ERROR_SUCCESS)
1785 r = TABLE_insert_row( view, rec, -1, FALSE );
1788 case MSIMODIFY_INSERT_TEMPORARY:
1789 r = table_validate_new( tv, rec );
1790 if (r != ERROR_SUCCESS)
1792 r = TABLE_insert_row( view, rec, -1, TRUE );
1795 case MSIMODIFY_REFRESH:
1796 r = msi_refresh_record( view, rec, row );
1799 case MSIMODIFY_UPDATE:
1800 r = msi_table_update( view, rec, row );
1803 case MSIMODIFY_ASSIGN:
1804 r = msi_table_assign( view, rec );
1807 case MSIMODIFY_REPLACE:
1808 case MSIMODIFY_MERGE:
1809 case MSIMODIFY_VALIDATE:
1810 case MSIMODIFY_VALIDATE_FIELD:
1811 case MSIMODIFY_VALIDATE_DELETE:
1812 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1813 r = ERROR_CALL_NOT_IMPLEMENTED;
1817 r = ERROR_INVALID_DATA;
1823 static UINT TABLE_delete( struct tagMSIVIEW *view )
1825 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1827 TRACE("%p\n", view );
1834 msi_free( tv->order->reorder );
1835 msi_free( tv->order );
1841 return ERROR_SUCCESS;
1844 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1845 UINT val, UINT *row, MSIITERHANDLE *handle )
1847 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1848 const MSICOLUMNHASHENTRY *entry;
1850 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1853 return ERROR_INVALID_PARAMETER;
1855 if( (col==0) || (col > tv->num_cols) )
1856 return ERROR_INVALID_PARAMETER;
1858 if( !tv->columns[col-1].hash_table )
1861 UINT num_rows = tv->table->row_count;
1862 MSICOLUMNHASHENTRY **hash_table;
1863 MSICOLUMNHASHENTRY *new_entry;
1865 if( tv->columns[col-1].offset >= tv->row_size )
1867 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1868 ERR("%p %p\n", tv, tv->columns );
1869 return ERROR_FUNCTION_FAILED;
1872 /* allocate contiguous memory for the table and its entries so we
1873 * don't have to do an expensive cleanup */
1874 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1875 num_rows * sizeof(MSICOLUMNHASHENTRY));
1877 return ERROR_OUTOFMEMORY;
1879 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1880 tv->columns[col-1].hash_table = hash_table;
1882 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1884 for (i = 0; i < num_rows; i++, new_entry++)
1888 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1891 new_entry->next = NULL;
1892 new_entry->value = row_value;
1894 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1896 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1897 while (prev_entry->next)
1898 prev_entry = prev_entry->next;
1899 prev_entry->next = new_entry;
1902 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1907 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1909 entry = (*handle)->next;
1911 while (entry && entry->value != val)
1912 entry = entry->next;
1916 return ERROR_NO_MORE_ITEMS;
1920 return ERROR_SUCCESS;
1923 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1925 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1928 TRACE("%p %d\n", view, tv->table->ref_count);
1930 for (i = 0; i < tv->table->col_count; i++)
1932 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1933 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
1936 return InterlockedIncrement(&tv->table->ref_count);
1939 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
1941 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1942 MSIRECORD *rec = NULL;
1943 MSIVIEW *columns = NULL;
1946 rec = MSI_CreateRecord(2);
1948 return ERROR_OUTOFMEMORY;
1950 MSI_RecordSetStringW(rec, 1, table);
1951 MSI_RecordSetInteger(rec, 2, number);
1953 r = TABLE_CreateView(tv->db, szColumns, &columns);
1954 if (r != ERROR_SUCCESS)
1957 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
1958 if (r != ERROR_SUCCESS)
1961 r = TABLE_delete_row(columns, row);
1962 if (r != ERROR_SUCCESS)
1965 msi_update_table_columns(tv->db, table);
1968 msiobj_release(&rec->hdr);
1969 columns->ops->delete(columns);
1973 static UINT TABLE_release(struct tagMSIVIEW *view)
1975 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1976 INT ref = tv->table->ref_count;
1979 TRACE("%p %d\n", view, ref);
1981 for (i = 0; i < tv->table->col_count; i++)
1983 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
1985 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
1988 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
1989 tv->table->colinfo[i].number);
1990 if (r != ERROR_SUCCESS)
1996 ref = InterlockedDecrement(&tv->table->ref_count);
1999 if (!tv->table->row_count)
2001 list_remove(&tv->table->entry);
2002 free_table(tv->table);
2010 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
2011 LPCWSTR column, UINT type, BOOL hold)
2013 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2018 rec = MSI_CreateRecord(4);
2020 return ERROR_OUTOFMEMORY;
2022 MSI_RecordSetStringW(rec, 1, table);
2023 MSI_RecordSetInteger(rec, 2, number);
2024 MSI_RecordSetStringW(rec, 3, column);
2025 MSI_RecordSetInteger(rec, 4, type);
2027 r = TABLE_insert_row(&tv->view, rec, -1, FALSE);
2028 if (r != ERROR_SUCCESS)
2031 msi_update_table_columns(tv->db, table);
2036 msitable = find_cached_table(tv->db, table);
2037 for (i = 0; i < msitable->col_count; i++)
2039 if (!lstrcmpW(msitable->colinfo[i].colname, column))
2041 InterlockedIncrement(&msitable->colinfo[i].ref_count);
2047 msiobj_release(&rec->hdr);
2051 static UINT order_add_column(struct tagMSIVIEW *view, MSIORDERINFO *order, LPCWSTR name)
2055 r = TABLE_get_dimensions(view, NULL, &count);
2056 if (r != ERROR_SUCCESS)
2059 if (order->num_cols >= count)
2060 return ERROR_FUNCTION_FAILED;
2062 r = VIEW_find_column(view, name, &n);
2063 if (r != ERROR_SUCCESS)
2066 order->cols[order->num_cols] = n;
2067 TRACE("Ordering by column %s (%d)\n", debugstr_w(name), n);
2071 return ERROR_SUCCESS;
2074 static UINT order_compare(struct tagMSIVIEW *view, MSIORDERINFO *order,
2075 UINT a, UINT b, UINT *swap)
2077 UINT r, i, a_val = 0, b_val = 0;
2080 for (i = 0; i < order->num_cols; i++)
2082 r = TABLE_fetch_int(view, a, order->cols[i], &a_val);
2083 if (r != ERROR_SUCCESS)
2086 r = TABLE_fetch_int(view, b, order->cols[i], &b_val);
2087 if (r != ERROR_SUCCESS)
2098 return ERROR_SUCCESS;
2101 static UINT order_mergesort(struct tagMSIVIEW *view, MSIORDERINFO *order,
2102 UINT left, UINT right)
2105 UINT swap = 0, center = (left + right) / 2;
2106 UINT *array = order->reorder;
2109 return ERROR_SUCCESS;
2111 /* sort the left half */
2112 r = order_mergesort(view, order, left, center);
2113 if (r != ERROR_SUCCESS)
2116 /* sort the right half */
2117 r = order_mergesort(view, order, center + 1, right);
2118 if (r != ERROR_SUCCESS)
2121 for (i = left, j = center + 1; (i <= center) && (j <= right); i++)
2123 r = order_compare(view, order, array[i], array[j], &swap);
2124 if (r != ERROR_SUCCESS)
2130 memmove(&array[i + 1], &array[i], (j - i) * sizeof(UINT));
2137 return ERROR_SUCCESS;
2140 static UINT order_verify(struct tagMSIVIEW *view, MSIORDERINFO *order, UINT num_rows)
2144 for (i = 1; i < num_rows; i++)
2146 r = order_compare(view, order, order->reorder[i - 1],
2147 order->reorder[i], &swap);
2148 if (r != ERROR_SUCCESS)
2154 ERR("Bad order! %d\n", i);
2155 return ERROR_FUNCTION_FAILED;
2158 return ERROR_SUCCESS;
2161 static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
2163 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2164 MSIORDERINFO *order;
2169 TRACE("sorting table %s\n", debugstr_w(tv->name));
2171 r = TABLE_get_dimensions(view, &rows, &cols);
2172 if (r != ERROR_SUCCESS)
2176 return ERROR_SUCCESS;
2178 order = msi_alloc_zero(sizeof(MSIORDERINFO) + sizeof(UINT) * cols);
2180 return ERROR_OUTOFMEMORY;
2182 for (ptr = columns; ptr; ptr = ptr->next)
2183 order_add_column(view, order, ptr->column);
2185 order->reorder = msi_alloc(rows * sizeof(UINT));
2186 if (!order->reorder)
2187 return ERROR_OUTOFMEMORY;
2189 for (i = 0; i < rows; i++)
2190 order->reorder[i] = i;
2192 r = order_mergesort(view, order, 0, rows - 1);
2193 if (r != ERROR_SUCCESS)
2196 r = order_verify(view, order, rows);
2197 if (r != ERROR_SUCCESS)
2202 return ERROR_SUCCESS;
2205 static UINT TABLE_drop(struct tagMSIVIEW *view)
2207 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2208 MSIVIEW *tables = NULL;
2209 MSIRECORD *rec = NULL;
2213 TRACE("dropping table %s\n", debugstr_w(tv->name));
2215 for (i = tv->table->col_count - 1; i >= 0; i--)
2217 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2218 tv->table->colinfo[i].number);
2219 if (r != ERROR_SUCCESS)
2223 rec = MSI_CreateRecord(1);
2225 return ERROR_OUTOFMEMORY;
2227 MSI_RecordSetStringW(rec, 1, tv->name);
2229 r = TABLE_CreateView(tv->db, szTables, &tables);
2230 if (r != ERROR_SUCCESS)
2233 r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row);
2234 if (r != ERROR_SUCCESS)
2237 r = TABLE_delete_row(tables, row);
2238 if (r != ERROR_SUCCESS)
2241 list_remove(&tv->table->entry);
2242 free_table(tv->table);
2246 msiobj_release(&rec->hdr);
2247 tables->ops->delete(tables);
2252 static const MSIVIEWOPS table_ops =
2262 TABLE_get_dimensions,
2263 TABLE_get_column_info,
2266 TABLE_find_matching_rows,
2270 TABLE_remove_column,
2275 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
2280 static const WCHAR Streams[] = {'_','S','t','r','e','a','m','s',0};
2281 static const WCHAR Storages[] = {'_','S','t','o','r','a','g','e','s',0};
2283 TRACE("%p %s %p\n", db, debugstr_w(name), view );
2285 if ( !lstrcmpW( name, Streams ) )
2286 return STREAMS_CreateView( db, view );
2287 else if ( !lstrcmpW( name, Storages ) )
2288 return STORAGES_CreateView( db, view );
2290 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
2291 tv = msi_alloc_zero( sz );
2293 return ERROR_FUNCTION_FAILED;
2295 r = get_table( db, name, &tv->table );
2296 if( r != ERROR_SUCCESS )
2299 WARN("table not found\n");
2303 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
2305 /* fill the structure */
2306 tv->view.ops = &table_ops;
2308 tv->columns = tv->table->colinfo;
2309 tv->num_cols = tv->table->col_count;
2310 tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count );
2312 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
2314 *view = (MSIVIEW*) tv;
2315 lstrcpyW( tv->name, name );
2317 return ERROR_SUCCESS;
2320 UINT MSI_CommitTables( MSIDATABASE *db )
2323 MSITABLE *table = NULL;
2327 r = msi_save_string_table( db->strings, db->storage );
2328 if( r != ERROR_SUCCESS )
2330 WARN("failed to save string table r=%08x\n",r);
2334 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
2336 r = save_table( db, table );
2337 if( r != ERROR_SUCCESS )
2339 WARN("failed to save table %s (r=%08x)\n",
2340 debugstr_w(table->name), r);
2345 /* force everything to reload next time */
2346 free_cached_tables( db );
2348 return ERROR_SUCCESS;
2351 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
2356 TRACE("%p %s\n", db, debugstr_w(table));
2359 return MSICONDITION_ERROR;
2361 r = get_table( db, table, &t );
2362 if (r != ERROR_SUCCESS)
2363 return MSICONDITION_NONE;
2365 return t->persistent;
2368 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
2372 for (i = 0; i < bytes; i++)
2373 ret += (data[col + i] << i * 8);
2378 static UINT msi_record_encoded_stream_name( const MSITABLEVIEW *tv, MSIRECORD *rec, LPWSTR *pstname )
2380 static const WCHAR szDot[] = { '.', 0 };
2381 LPWSTR stname = NULL, sval, p;
2385 TRACE("%p %p\n", tv, rec);
2387 len = lstrlenW( tv->name ) + 1;
2388 stname = msi_alloc( len*sizeof(WCHAR) );
2391 r = ERROR_OUTOFMEMORY;
2395 lstrcpyW( stname, tv->name );
2397 for ( i = 0; i < tv->num_cols; i++ )
2399 if ( tv->columns[i].type & MSITYPE_KEY )
2401 sval = msi_dup_record_field( rec, i + 1 );
2404 r = ERROR_OUTOFMEMORY;
2408 len += lstrlenW( szDot ) + lstrlenW ( sval );
2409 p = msi_realloc ( stname, len*sizeof(WCHAR) );
2412 r = ERROR_OUTOFMEMORY;
2417 lstrcatW( stname, szDot );
2418 lstrcatW( stname, sval );
2426 *pstname = encode_streamname( FALSE, stname );
2429 return ERROR_SUCCESS;
2432 msi_free ( stname );
2437 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
2439 const BYTE *rawdata, UINT bytes_per_strref )
2441 UINT i, val, ofs = 0;
2443 MSICOLUMNINFO *columns = tv->columns;
2446 mask = rawdata[0] | (rawdata[1] << 8);
2449 rec = MSI_CreateRecord( tv->num_cols );
2454 for( i=0; i<tv->num_cols; i++ )
2456 if ( (mask&1) && (i>=(mask>>8)) )
2458 /* all keys must be present */
2459 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
2462 if( MSITYPE_IS_BINARY(tv->columns[i].type) )
2465 IStream *stm = NULL;
2468 ofs += bytes_per_column( tv->db, &columns[i] );
2470 r = msi_record_encoded_stream_name( tv, rec, &encname );
2471 if ( r != ERROR_SUCCESS )
2474 r = IStorage_OpenStream( stg, encname, NULL,
2475 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm );
2476 msi_free( encname );
2477 if ( r != ERROR_SUCCESS )
2480 MSI_RecordSetStream( rec, i+1, stm );
2481 TRACE(" field %d [%s]\n", i+1, debugstr_w(encname));
2483 else if( columns[i].type & MSITYPE_STRING )
2487 val = read_raw_int(rawdata, ofs, bytes_per_strref);
2488 sval = msi_string_lookup_id( st, val );
2489 MSI_RecordSetStringW( rec, i+1, sval );
2490 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
2491 ofs += bytes_per_strref;
2495 UINT n = bytes_per_column( tv->db, &columns[i] );
2499 val = read_raw_int(rawdata, ofs, n);
2501 MSI_RecordSetInteger( rec, i+1, val^0x8000 );
2502 TRACE(" field %d [0x%04x]\n", i+1, val );
2505 val = read_raw_int(rawdata, ofs, n);
2507 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
2508 TRACE(" field %d [0x%08x]\n", i+1, val );
2511 ERR("oops - unknown column width %d\n", n);
2520 static void dump_record( MSIRECORD *rec )
2524 n = MSI_RecordGetFieldCount( rec );
2525 for( i=1; i<=n; i++ )
2527 LPCWSTR sval = MSI_RecordGetString( rec, i );
2529 if( MSI_RecordIsNull( rec, i ) )
2530 TRACE("row -> []\n");
2531 else if( (sval = MSI_RecordGetString( rec, i )) )
2532 TRACE("row -> [%s]\n", debugstr_w(sval));
2534 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
2538 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
2543 for( i=0; i<(rawsize/2); i++ )
2545 sval = msi_string_lookup_id( st, rawdata[i] );
2546 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
2550 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
2555 data = msi_alloc( tv->num_cols *sizeof (UINT) );
2556 for( i=0; i<tv->num_cols; i++ )
2560 if ( ~tv->columns[i].type & MSITYPE_KEY )
2563 /* turn the transform column value into a row value */
2564 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
2565 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2567 str = MSI_RecordGetString( rec, i+1 );
2568 r = msi_string2idW( tv->db->strings, str, &data[i] );
2570 /* if there's no matching string in the string table,
2571 these keys can't match any record, so fail now. */
2572 if( ERROR_SUCCESS != r )
2580 data[i] = MSI_RecordGetInteger( rec, i+1 );
2582 if (data[i] == MSI_NULL_INTEGER)
2584 else if ((tv->columns[i].type&0xff) == 2)
2587 data[i] += 0x80000000;
2593 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2595 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2597 for( i=0; i<tv->num_cols; i++ )
2599 if ( ~tv->columns[i].type & MSITYPE_KEY )
2602 /* turn the transform column value into a row value */
2603 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2604 if ( r != ERROR_SUCCESS )
2606 ERR("TABLE_fetch_int shouldn't fail here\n");
2610 /* if this key matches, move to the next column */
2613 ret = ERROR_FUNCTION_FAILED;
2617 ret = ERROR_SUCCESS;
2623 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2625 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2627 data = msi_record_to_row( tv, rec );
2630 for( i = 0; i < tv->table->row_count; i++ )
2632 r = msi_row_matches( tv, i, data );
2633 if( r == ERROR_SUCCESS )
2649 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2650 string_table *st, TRANSFORMDATA *transform,
2651 UINT bytes_per_strref )
2654 BYTE *rawdata = NULL;
2655 MSITABLEVIEW *tv = NULL;
2656 UINT r, n, sz, i, mask;
2657 MSIRECORD *rec = NULL;
2663 return ERROR_SUCCESS;
2665 name = transform->name;
2668 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2670 /* read the transform data */
2671 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2674 TRACE("table %s empty\n", debugstr_w(name) );
2675 return ERROR_INVALID_TABLE;
2678 /* create a table view */
2679 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2680 if( r != ERROR_SUCCESS )
2683 r = tv->view.ops->execute( &tv->view, NULL );
2684 if( r != ERROR_SUCCESS )
2687 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2688 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2690 /* interpret the data */
2692 for( n=0; n < rawsize; )
2694 mask = rawdata[n] | (rawdata[n+1] << 8);
2699 * if the low bit is set, columns are continuous and
2700 * the number of columns is specified in the high byte
2703 for( i=0; i<tv->num_cols; i++ )
2705 if( (tv->columns[i].type & MSITYPE_STRING) &&
2706 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2707 sz += bytes_per_strref;
2709 sz += bytes_per_column( tv->db, &tv->columns[i] );
2715 * If the low bit is not set, mask is a bitmask.
2716 * Excepting for key fields, which are always present,
2717 * each bit indicates that a field is present in the transform record.
2719 * mask == 0 is a special case ... only the keys will be present
2720 * and it means that this row should be deleted.
2723 for( i=0; i<tv->num_cols; i++ )
2725 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2727 if( (tv->columns[i].type & MSITYPE_STRING) &&
2728 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2729 sz += bytes_per_strref;
2731 sz += bytes_per_column( tv->db, &tv->columns[i] );
2736 /* check we didn't run of the end of the table */
2737 if ( (n+sz) > rawsize )
2740 dump_table( st, (USHORT *)rawdata, rawsize );
2744 rec = msi_get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref );
2751 UINT number = MSI_NULL_INTEGER;
2753 TRACE("inserting record\n");
2755 if (!lstrcmpW(name, szColumns))
2757 MSI_RecordGetStringW( rec, 1, table, &sz );
2758 number = MSI_RecordGetInteger( rec, 2 );
2761 * Native msi seems writes nul into the Number (2nd) column of
2762 * the _Columns table, only when the columns are from a new table
2764 if ( number == MSI_NULL_INTEGER )
2766 /* reset the column number on a new table */
2767 if ( lstrcmpW(coltable, table) )
2770 lstrcpyW( coltable, table );
2773 /* fix nul column numbers */
2774 MSI_RecordSetInteger( rec, 2, ++colcol );
2778 r = TABLE_insert_row( &tv->view, rec, -1, FALSE );
2779 if (r != ERROR_SUCCESS)
2780 ERR("insert row failed\n");
2782 if ( number != MSI_NULL_INTEGER && !lstrcmpW(name, szColumns) )
2783 msi_update_table_columns( db, table );
2789 r = msi_table_find_row( tv, rec, &row );
2790 if (r != ERROR_SUCCESS)
2791 ERR("no matching row to transform\n");
2794 TRACE("modifying row [%d]:\n", row);
2795 TABLE_set_row( &tv->view, row, rec, mask );
2799 TRACE("deleting row [%d]:\n", row);
2800 TABLE_delete_row( &tv->view, row );
2803 if( TRACE_ON(msidb) ) dump_record( rec );
2804 msiobj_release( &rec->hdr );
2811 /* no need to free the table, it's associated with the database */
2812 msi_free( rawdata );
2814 tv->view.ops->delete( &tv->view );
2816 return ERROR_SUCCESS;
2820 * msi_table_apply_transform
2822 * Enumerate the table transforms in a transform storage and apply each one.
2824 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2826 struct list transforms;
2827 IEnumSTATSTG *stgenum = NULL;
2828 TRANSFORMDATA *transform;
2829 TRANSFORMDATA *tables = NULL, *columns = NULL;
2832 string_table *strings;
2833 UINT ret = ERROR_FUNCTION_FAILED;
2834 UINT bytes_per_strref;
2836 TRACE("%p %p\n", db, stg );
2838 strings = msi_load_string_table( stg, &bytes_per_strref );
2842 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2846 list_init(&transforms);
2850 MSITABLEVIEW *tv = NULL;
2854 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2855 if ( FAILED( r ) || !count )
2858 decode_streamname( stat.pwcsName, name );
2859 CoTaskMemFree( stat.pwcsName );
2860 if ( name[0] != 0x4840 )
2863 if ( !lstrcmpW( name+1, szStringPool ) ||
2864 !lstrcmpW( name+1, szStringData ) )
2867 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2871 list_add_tail( &transforms, &transform->entry );
2873 transform->name = strdupW( name + 1 );
2875 if ( !lstrcmpW( transform->name, szTables ) )
2877 else if (!lstrcmpW( transform->name, szColumns ) )
2878 columns = transform;
2880 TRACE("transform contains stream %s\n", debugstr_w(name));
2882 /* load the table */
2883 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2884 if( r != ERROR_SUCCESS )
2887 r = tv->view.ops->execute( &tv->view, NULL );
2888 if( r != ERROR_SUCCESS )
2890 tv->view.ops->delete( &tv->view );
2894 tv->view.ops->delete( &tv->view );
2898 * Apply _Tables and _Columns transforms first so that
2899 * the table metadata is correct, and empty tables exist.
2901 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2902 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2905 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2906 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2909 ret = ERROR_SUCCESS;
2911 while ( !list_empty( &transforms ) )
2913 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2915 if ( lstrcmpW( transform->name, szColumns ) &&
2916 lstrcmpW( transform->name, szTables ) &&
2917 ret == ERROR_SUCCESS )
2919 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
2922 list_remove( &transform->entry );
2923 msi_free( transform->name );
2924 msi_free( transform );
2927 if ( ret == ERROR_SUCCESS )
2928 append_storage_to_db( db, stg );
2932 IEnumSTATSTG_Release( stgenum );
2934 msi_destroy_stringtable( strings );
2939 void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
2943 t = msi_alloc( sizeof *t );
2945 IStorage_AddRef( stg );
2946 list_add_tail( &db->transforms, &t->entry );
2949 void msi_free_transforms( MSIDATABASE *db )
2951 while( !list_empty( &db->transforms ) )
2953 MSITRANSFORM *t = LIST_ENTRY( list_head( &db->transforms ),
2954 MSITRANSFORM, entry );
2955 list_remove( &t->entry );
2956 IStorage_Release( t->stg );
2961 static UINT table_find_insert_idx (MSIVIEW *view, LPCWSTR name, INT *pidx)
2963 UINT r, name_id, row_id;
2965 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2967 TRACE ("%p %s\n", view, debugstr_w(name));
2969 r = msi_string2idW(tv->db->strings, name, &name_id);
2970 if (r != ERROR_SUCCESS)
2976 for( idx = 0; idx < tv->table->row_count; idx++ )
2978 r = TABLE_fetch_int( &tv->view, idx, 1, &row_id );
2979 if (row_id > name_id)
2984 return ERROR_SUCCESS;