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 )
1148 r = TABLE_fetch_int( view, row, i+1, &ival );
1149 if ( r != ERROR_SUCCESS )
1152 if ( tv->columns[i].type & MSITYPE_STRING )
1154 sval = msi_string_lookup_id( tv->db->strings, ival );
1157 r = ERROR_INVALID_PARAMETER;
1163 static const WCHAR fmt[] = { '%','d',0 };
1164 UINT n = bytes_per_column( tv->db, &tv->columns[i], LONG_STR_BYTES );
1169 sprintfW( number, fmt, ival-0x8000 );
1172 sprintfW( number, fmt, ival^0x80000000 );
1175 ERR( "oops - unknown column width %d\n", n );
1176 r = ERROR_FUNCTION_FAILED;
1182 len += lstrlenW( szDot ) + lstrlenW( sval );
1183 p = msi_realloc ( stname, len*sizeof(WCHAR) );
1186 r = ERROR_OUTOFMEMORY;
1191 lstrcatW( stname, szDot );
1192 lstrcatW( stname, sval );
1199 return ERROR_SUCCESS;
1208 * We need a special case for streams, as we need to reference column with
1209 * the name of the stream in the same table, and the table name
1210 * which may not be available at higher levels of the query
1212 static UINT TABLE_fetch_stream( struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm )
1214 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1216 LPWSTR encname, full_name = NULL;
1218 if( !view->ops->fetch_int )
1219 return ERROR_INVALID_PARAMETER;
1221 r = msi_stream_name( tv, row, &full_name );
1222 if ( r != ERROR_SUCCESS )
1224 ERR("fetching stream, error = %d\n", r);
1228 encname = encode_streamname( FALSE, full_name );
1229 r = db_get_raw_stream( tv->db, encname, stm );
1231 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name), r);
1233 msi_free( full_name );
1234 msi_free( encname );
1238 static UINT TABLE_set_int( MSITABLEVIEW *tv, UINT row, UINT col, UINT val )
1243 return ERROR_INVALID_PARAMETER;
1245 if( (col==0) || (col>tv->num_cols) )
1246 return ERROR_INVALID_PARAMETER;
1248 if( row >= tv->table->row_count )
1249 return ERROR_INVALID_PARAMETER;
1251 if( tv->columns[col-1].offset >= tv->row_size )
1253 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1254 ERR("%p %p\n", tv, tv->columns );
1255 return ERROR_FUNCTION_FAILED;
1258 msi_free( tv->columns[col-1].hash_table );
1259 tv->columns[col-1].hash_table = NULL;
1261 n = bytes_per_column( tv->db, &tv->columns[col - 1], LONG_STR_BYTES );
1262 if ( n != 2 && n != 3 && n != 4 )
1264 ERR("oops! what is %d bytes per column?\n", n );
1265 return ERROR_FUNCTION_FAILED;
1268 offset = tv->columns[col-1].offset;
1269 for ( i = 0; i < n; i++ )
1270 tv->table->data[row][offset + i] = (val >> i * 8) & 0xff;
1272 return ERROR_SUCCESS;
1275 static UINT TABLE_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
1277 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1280 return ERROR_INVALID_PARAMETER;
1283 row = tv->order->reorder[row];
1285 return msi_view_get_row(tv->db, view, row, rec);
1288 static UINT msi_addstreamW( MSIDATABASE *db, LPCWSTR name, IStream *data )
1291 MSIQUERY *query = NULL;
1292 MSIRECORD *rec = NULL;
1294 static const WCHAR insert[] = {
1295 'I','N','S','E','R','T',' ','I','N','T','O',' ',
1296 '`','_','S','t','r','e','a','m','s','`',' ',
1297 '(','`','N','a','m','e','`',',',
1298 '`','D','a','t','a','`',')',' ',
1299 'V','A','L','U','E','S',' ','(','?',',','?',')',0};
1301 TRACE("%p %s %p\n", db, debugstr_w(name), data);
1303 rec = MSI_CreateRecord( 2 );
1305 return ERROR_OUTOFMEMORY;
1307 r = MSI_RecordSetStringW( rec, 1, name );
1308 if ( r != ERROR_SUCCESS )
1311 r = MSI_RecordSetIStream( rec, 2, data );
1312 if ( r != ERROR_SUCCESS )
1315 r = MSI_DatabaseOpenViewW( db, insert, &query );
1316 if ( r != ERROR_SUCCESS )
1319 r = MSI_ViewExecute( query, rec );
1322 msiobj_release( &query->hdr );
1323 msiobj_release( &rec->hdr );
1328 static UINT get_table_value_from_record( MSITABLEVIEW *tv, MSIRECORD *rec, UINT iField, UINT *pvalue )
1330 MSICOLUMNINFO columninfo;
1333 if ( (iField <= 0) ||
1334 (iField > tv->num_cols) ||
1335 MSI_RecordIsNull( rec, iField ) )
1336 return ERROR_FUNCTION_FAILED;
1338 columninfo = tv->columns[ iField - 1 ];
1340 if ( MSITYPE_IS_BINARY(columninfo.type) )
1342 *pvalue = 1; /* refers to the first key column */
1344 else if ( columninfo.type & MSITYPE_STRING )
1346 LPCWSTR sval = MSI_RecordGetString( rec, iField );
1349 r = msi_string2idW(tv->db->strings, sval, pvalue);
1350 if (r != ERROR_SUCCESS)
1351 return ERROR_NOT_FOUND;
1355 else if ( bytes_per_column( tv->db, &columninfo, LONG_STR_BYTES ) == 2 )
1357 *pvalue = 0x8000 + MSI_RecordGetInteger( rec, iField );
1358 if ( *pvalue & 0xffff0000 )
1360 ERR("field %u value %d out of range\n", iField, *pvalue - 0x8000);
1361 return ERROR_FUNCTION_FAILED;
1366 INT ival = MSI_RecordGetInteger( rec, iField );
1367 *pvalue = ival ^ 0x80000000;
1370 return ERROR_SUCCESS;
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 r = get_table_value_from_record (tv, rec, i + 1, &val);
1401 if ( MSITYPE_IS_BINARY(tv->columns[ i ].type) )
1406 if ( r != ERROR_SUCCESS )
1407 return ERROR_FUNCTION_FAILED;
1409 r = MSI_RecordGetIStream( rec, i + 1, &stm );
1410 if ( r != ERROR_SUCCESS )
1413 r = msi_stream_name( tv, row, &stname );
1414 if ( r != ERROR_SUCCESS )
1416 IStream_Release( stm );
1420 r = msi_addstreamW( tv->db, stname, stm );
1421 IStream_Release( stm );
1422 msi_free ( stname );
1424 if ( r != ERROR_SUCCESS )
1427 else if ( tv->columns[i].type & MSITYPE_STRING )
1431 if ( r != ERROR_SUCCESS )
1433 LPCWSTR sval = MSI_RecordGetString( rec, i + 1 );
1434 val = msi_addstringW( tv->db->strings, sval, -1, 1,
1435 persistent ? StringPersistent : StringNonPersistent );
1439 TABLE_fetch_int(&tv->view, row, i + 1, &x);
1446 if ( r != ERROR_SUCCESS )
1447 return ERROR_FUNCTION_FAILED;
1451 r = TABLE_set_int( tv, row, i+1, val );
1452 if ( r != ERROR_SUCCESS )
1458 static UINT table_create_new_row( struct tagMSIVIEW *view, UINT *num, BOOL temporary )
1460 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1465 BOOL **data_persist_ptr;
1468 TRACE("%p %s\n", view, temporary ? "TRUE" : "FALSE");
1471 return ERROR_INVALID_PARAMETER;
1473 row = msi_alloc_zero( tv->row_size );
1475 return ERROR_NOT_ENOUGH_MEMORY;
1477 row_count = &tv->table->row_count;
1478 data_ptr = &tv->table->data;
1479 data_persist_ptr = &tv->table->data_persistent;
1481 *num = tv->table->row_count;
1483 sz = (*row_count + 1) * sizeof (BYTE*);
1485 p = msi_realloc( *data_ptr, sz );
1487 p = msi_alloc( sz );
1491 return ERROR_NOT_ENOUGH_MEMORY;
1494 sz = (*row_count + 1) * sizeof (BOOL);
1495 if( *data_persist_ptr )
1496 b = msi_realloc( *data_persist_ptr, sz );
1498 b = msi_alloc( sz );
1503 return ERROR_NOT_ENOUGH_MEMORY;
1507 (*data_ptr)[*row_count] = row;
1509 *data_persist_ptr = b;
1510 (*data_persist_ptr)[*row_count] = !temporary;
1514 return ERROR_SUCCESS;
1517 static UINT TABLE_execute( struct tagMSIVIEW *view, MSIRECORD *record )
1519 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1521 TRACE("%p %p\n", tv, record);
1523 TRACE("There are %d columns\n", tv->num_cols );
1525 return ERROR_SUCCESS;
1528 static UINT TABLE_close( struct tagMSIVIEW *view )
1530 TRACE("%p\n", view );
1532 return ERROR_SUCCESS;
1535 static UINT TABLE_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols)
1537 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1539 TRACE("%p %p %p\n", view, rows, cols );
1542 *cols = tv->num_cols;
1546 return ERROR_INVALID_PARAMETER;
1547 *rows = tv->table->row_count;
1550 return ERROR_SUCCESS;
1553 static UINT TABLE_get_column_info( struct tagMSIVIEW *view,
1554 UINT n, LPWSTR *name, UINT *type, BOOL *temporary,
1555 LPWSTR *table_name )
1557 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1559 TRACE("%p %d %p %p\n", tv, n, name, type );
1561 if( ( n == 0 ) || ( n > tv->num_cols ) )
1562 return ERROR_INVALID_PARAMETER;
1566 *name = strdupW( tv->columns[n-1].colname );
1568 return ERROR_FUNCTION_FAILED;
1573 *table_name = strdupW( tv->columns[n-1].tablename );
1575 return ERROR_FUNCTION_FAILED;
1579 *type = tv->columns[n-1].type;
1582 *temporary = tv->columns[n-1].temporary;
1584 return ERROR_SUCCESS;
1587 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
1589 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
1593 /* check there's no null values where they're not allowed */
1594 for( i = 0; i < tv->num_cols; i++ )
1596 if ( tv->columns[i].type & MSITYPE_NULLABLE )
1599 if ( MSITYPE_IS_BINARY(tv->columns[i].type) )
1600 TRACE("skipping binary column\n");
1601 else if ( tv->columns[i].type & MSITYPE_STRING )
1605 str = MSI_RecordGetString( rec, i+1 );
1606 if (str == NULL || str[0] == 0)
1607 return ERROR_INVALID_DATA;
1613 n = MSI_RecordGetInteger( rec, i+1 );
1614 if (n == MSI_NULL_INTEGER)
1615 return ERROR_INVALID_DATA;
1619 /* check there's no duplicate keys */
1620 r = msi_table_find_row( tv, rec, &row );
1621 if (r == ERROR_SUCCESS)
1622 return ERROR_FUNCTION_FAILED;
1624 return ERROR_SUCCESS;
1627 static int compare_record( MSITABLEVIEW *tv, UINT row, MSIRECORD *rec )
1629 UINT r, i, ivalue, x;
1631 for (i = 0; i < tv->num_cols; i++ )
1633 if (!(tv->columns[i].type & MSITYPE_KEY)) continue;
1635 r = get_table_value_from_record( tv, rec, i + 1, &ivalue );
1636 if (r != ERROR_SUCCESS)
1639 r = TABLE_fetch_int( &tv->view, row, i + 1, &x );
1640 if (r != ERROR_SUCCESS)
1642 WARN("TABLE_fetch_int should not fail here %u\n", r);
1649 else if (ivalue == x)
1651 if (i < tv->num_cols - 1) continue;
1660 static int find_insert_index( MSITABLEVIEW *tv, MSIRECORD *rec )
1662 int idx, c, low = 0, high = tv->table->row_count - 1;
1664 TRACE("%p %p\n", tv, rec);
1668 idx = (low + high) / 2;
1669 c = compare_record( tv, idx, rec );
1677 TRACE("found %u\n", idx);
1681 TRACE("found %u\n", high + 1);
1685 static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary )
1687 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1690 TRACE("%p %p %s\n", tv, rec, temporary ? "TRUE" : "FALSE" );
1692 /* check that the key is unique - can we find a matching row? */
1693 r = table_validate_new( tv, rec );
1694 if( r != ERROR_SUCCESS )
1695 return ERROR_FUNCTION_FAILED;
1698 row = find_insert_index( tv, rec );
1700 r = table_create_new_row( view, &row, temporary );
1701 TRACE("insert_row returned %08x\n", r);
1702 if( r != ERROR_SUCCESS )
1705 /* shift the rows to make room for the new row */
1706 for (i = tv->table->row_count - 1; i > row; i--)
1708 memmove(&(tv->table->data[i][0]),
1709 &(tv->table->data[i - 1][0]), tv->row_size);
1710 tv->table->data_persistent[i] = tv->table->data_persistent[i - 1];
1713 /* Re-set the persistence flag */
1714 tv->table->data_persistent[row] = !temporary;
1715 return TABLE_set_row( view, row, rec, (1<<tv->num_cols) - 1 );
1718 static UINT TABLE_delete_row( struct tagMSIVIEW *view, UINT row )
1720 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1721 UINT r, num_rows, num_cols, i;
1723 TRACE("%p %d\n", tv, row);
1726 return ERROR_INVALID_PARAMETER;
1728 r = TABLE_get_dimensions( view, &num_rows, &num_cols );
1729 if ( r != ERROR_SUCCESS )
1732 if ( row >= num_rows )
1733 return ERROR_FUNCTION_FAILED;
1735 num_rows = tv->table->row_count;
1736 tv->table->row_count--;
1738 /* reset the hash tables */
1739 for (i = 0; i < tv->num_cols; i++)
1741 msi_free( tv->columns[i].hash_table );
1742 tv->columns[i].hash_table = NULL;
1745 for (i = row + 1; i < num_rows; i++)
1747 memcpy(tv->table->data[i - 1], tv->table->data[i], tv->row_size);
1748 tv->table->data_persistent[i - 1] = tv->table->data_persistent[i];
1751 msi_free(tv->table->data[num_rows - 1]);
1753 return ERROR_SUCCESS;
1756 static UINT msi_table_update(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row)
1758 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1761 /* FIXME: MsiViewFetch should set rec index 0 to some ID that
1762 * sets the fetched record apart from other records
1766 return ERROR_INVALID_PARAMETER;
1768 r = msi_table_find_row(tv, rec, &new_row);
1769 if (r != ERROR_SUCCESS)
1771 ERR("can't find row to modify\n");
1772 return ERROR_FUNCTION_FAILED;
1775 /* the row cannot be changed */
1776 if (row != new_row + 1)
1777 return ERROR_FUNCTION_FAILED;
1780 new_row = tv->order->reorder[new_row];
1782 return TABLE_set_row(view, new_row, rec, (1 << tv->num_cols) - 1);
1785 static UINT msi_table_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
1787 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1791 return ERROR_INVALID_PARAMETER;
1793 r = msi_table_find_row(tv, rec, &row);
1794 if (r == ERROR_SUCCESS)
1795 return TABLE_set_row(view, row, rec, (1 << tv->num_cols) - 1);
1797 return TABLE_insert_row( view, rec, -1, FALSE );
1800 static UINT modify_delete_row( struct tagMSIVIEW *view, MSIRECORD *rec )
1802 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
1805 r = msi_table_find_row(tv, rec, &row);
1806 if (r != ERROR_SUCCESS)
1809 return TABLE_delete_row(view, row);
1812 static UINT msi_refresh_record( struct tagMSIVIEW *view, MSIRECORD *rec, UINT row )
1817 r = TABLE_get_row(view, row - 1, &curr);
1818 if (r != ERROR_SUCCESS)
1821 /* Close the original record */
1822 MSI_CloseRecord(&rec->hdr);
1824 count = MSI_RecordGetFieldCount(rec);
1825 for (i = 0; i < count; i++)
1826 MSI_RecordCopyField(curr, i + 1, rec, i + 1);
1828 msiobj_release(&curr->hdr);
1829 return ERROR_SUCCESS;
1832 static UINT TABLE_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode,
1833 MSIRECORD *rec, UINT row)
1835 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1838 TRACE("%p %d %p\n", view, eModifyMode, rec );
1840 switch (eModifyMode)
1842 case MSIMODIFY_DELETE:
1843 r = modify_delete_row( view, rec );
1845 case MSIMODIFY_VALIDATE_NEW:
1846 r = table_validate_new( tv, rec );
1849 case MSIMODIFY_INSERT:
1850 r = table_validate_new( tv, rec );
1851 if (r != ERROR_SUCCESS)
1853 r = TABLE_insert_row( view, rec, -1, FALSE );
1856 case MSIMODIFY_INSERT_TEMPORARY:
1857 r = table_validate_new( tv, rec );
1858 if (r != ERROR_SUCCESS)
1860 r = TABLE_insert_row( view, rec, -1, TRUE );
1863 case MSIMODIFY_REFRESH:
1864 r = msi_refresh_record( view, rec, row );
1867 case MSIMODIFY_UPDATE:
1868 r = msi_table_update( view, rec, row );
1871 case MSIMODIFY_ASSIGN:
1872 r = msi_table_assign( view, rec );
1875 case MSIMODIFY_REPLACE:
1876 case MSIMODIFY_MERGE:
1877 case MSIMODIFY_VALIDATE:
1878 case MSIMODIFY_VALIDATE_FIELD:
1879 case MSIMODIFY_VALIDATE_DELETE:
1880 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
1881 r = ERROR_CALL_NOT_IMPLEMENTED;
1885 r = ERROR_INVALID_DATA;
1891 static UINT TABLE_delete( struct tagMSIVIEW *view )
1893 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1895 TRACE("%p\n", view );
1902 msi_free( tv->order->reorder );
1903 msi_free( tv->order );
1909 return ERROR_SUCCESS;
1912 static UINT TABLE_find_matching_rows( struct tagMSIVIEW *view, UINT col,
1913 UINT val, UINT *row, MSIITERHANDLE *handle )
1915 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1916 const MSICOLUMNHASHENTRY *entry;
1918 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
1921 return ERROR_INVALID_PARAMETER;
1923 if( (col==0) || (col > tv->num_cols) )
1924 return ERROR_INVALID_PARAMETER;
1926 if( !tv->columns[col-1].hash_table )
1929 UINT num_rows = tv->table->row_count;
1930 MSICOLUMNHASHENTRY **hash_table;
1931 MSICOLUMNHASHENTRY *new_entry;
1933 if( tv->columns[col-1].offset >= tv->row_size )
1935 ERR("Stuffed up %d >= %d\n", tv->columns[col-1].offset, tv->row_size );
1936 ERR("%p %p\n", tv, tv->columns );
1937 return ERROR_FUNCTION_FAILED;
1940 /* allocate contiguous memory for the table and its entries so we
1941 * don't have to do an expensive cleanup */
1942 hash_table = msi_alloc(MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*) +
1943 num_rows * sizeof(MSICOLUMNHASHENTRY));
1945 return ERROR_OUTOFMEMORY;
1947 memset(hash_table, 0, MSITABLE_HASH_TABLE_SIZE * sizeof(MSICOLUMNHASHENTRY*));
1948 tv->columns[col-1].hash_table = hash_table;
1950 new_entry = (MSICOLUMNHASHENTRY *)(hash_table + MSITABLE_HASH_TABLE_SIZE);
1952 for (i = 0; i < num_rows; i++, new_entry++)
1956 if (view->ops->fetch_int( view, i, col, &row_value ) != ERROR_SUCCESS)
1959 new_entry->next = NULL;
1960 new_entry->value = row_value;
1962 if (hash_table[row_value % MSITABLE_HASH_TABLE_SIZE])
1964 MSICOLUMNHASHENTRY *prev_entry = hash_table[row_value % MSITABLE_HASH_TABLE_SIZE];
1965 while (prev_entry->next)
1966 prev_entry = prev_entry->next;
1967 prev_entry->next = new_entry;
1970 hash_table[row_value % MSITABLE_HASH_TABLE_SIZE] = new_entry;
1975 entry = tv->columns[col-1].hash_table[val % MSITABLE_HASH_TABLE_SIZE];
1977 entry = (*handle)->next;
1979 while (entry && entry->value != val)
1980 entry = entry->next;
1984 return ERROR_NO_MORE_ITEMS;
1988 return ERROR_SUCCESS;
1991 static UINT TABLE_add_ref(struct tagMSIVIEW *view)
1993 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
1996 TRACE("%p %d\n", view, tv->table->ref_count);
1998 for (i = 0; i < tv->table->col_count; i++)
2000 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
2001 InterlockedIncrement(&tv->table->colinfo[i].ref_count);
2004 return InterlockedIncrement(&tv->table->ref_count);
2007 static UINT TABLE_remove_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number)
2009 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2010 MSIRECORD *rec = NULL;
2011 MSIVIEW *columns = NULL;
2014 rec = MSI_CreateRecord(2);
2016 return ERROR_OUTOFMEMORY;
2018 MSI_RecordSetStringW(rec, 1, table);
2019 MSI_RecordSetInteger(rec, 2, number);
2021 r = TABLE_CreateView(tv->db, szColumns, &columns);
2022 if (r != ERROR_SUCCESS)
2025 r = msi_table_find_row((MSITABLEVIEW *)columns, rec, &row);
2026 if (r != ERROR_SUCCESS)
2029 r = TABLE_delete_row(columns, row);
2030 if (r != ERROR_SUCCESS)
2033 msi_update_table_columns(tv->db, table);
2036 msiobj_release(&rec->hdr);
2037 columns->ops->delete(columns);
2041 static UINT TABLE_release(struct tagMSIVIEW *view)
2043 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2044 INT ref = tv->table->ref_count;
2047 TRACE("%p %d\n", view, ref);
2049 for (i = 0; i < tv->table->col_count; i++)
2051 if (tv->table->colinfo[i].type & MSITYPE_TEMPORARY)
2053 ref = InterlockedDecrement(&tv->table->colinfo[i].ref_count);
2056 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2057 tv->table->colinfo[i].number);
2058 if (r != ERROR_SUCCESS)
2064 ref = InterlockedDecrement(&tv->table->ref_count);
2067 if (!tv->table->row_count)
2069 list_remove(&tv->table->entry);
2070 free_table(tv->table);
2078 static UINT TABLE_add_column(struct tagMSIVIEW *view, LPCWSTR table, UINT number,
2079 LPCWSTR column, UINT type, BOOL hold)
2081 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2086 rec = MSI_CreateRecord(4);
2088 return ERROR_OUTOFMEMORY;
2090 MSI_RecordSetStringW(rec, 1, table);
2091 MSI_RecordSetInteger(rec, 2, number);
2092 MSI_RecordSetStringW(rec, 3, column);
2093 MSI_RecordSetInteger(rec, 4, type);
2095 r = TABLE_insert_row(&tv->view, rec, -1, FALSE);
2096 if (r != ERROR_SUCCESS)
2099 msi_update_table_columns(tv->db, table);
2104 msitable = find_cached_table(tv->db, table);
2105 for (i = 0; i < msitable->col_count; i++)
2107 if (!strcmpW( msitable->colinfo[i].colname, column ))
2109 InterlockedIncrement(&msitable->colinfo[i].ref_count);
2115 msiobj_release(&rec->hdr);
2119 static UINT order_add_column(struct tagMSIVIEW *view, MSIORDERINFO *order, LPCWSTR name)
2122 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2124 r = TABLE_get_dimensions(view, NULL, &count);
2125 if (r != ERROR_SUCCESS)
2128 if (order->num_cols >= count)
2129 return ERROR_FUNCTION_FAILED;
2131 r = VIEW_find_column(view, name, tv->name, &n);
2132 if (r != ERROR_SUCCESS)
2135 order->cols[order->num_cols] = n;
2136 TRACE("Ordering by column %s (%d)\n", debugstr_w(name), n);
2140 return ERROR_SUCCESS;
2143 static UINT order_compare(struct tagMSIVIEW *view, MSIORDERINFO *order,
2144 UINT a, UINT b, UINT *swap)
2146 UINT r, i, a_val = 0, b_val = 0;
2149 for (i = 0; i < order->num_cols; i++)
2151 r = TABLE_fetch_int(view, a, order->cols[i], &a_val);
2152 if (r != ERROR_SUCCESS)
2155 r = TABLE_fetch_int(view, b, order->cols[i], &b_val);
2156 if (r != ERROR_SUCCESS)
2167 return ERROR_SUCCESS;
2170 static UINT order_mergesort(struct tagMSIVIEW *view, MSIORDERINFO *order,
2171 UINT left, UINT right)
2174 UINT swap = 0, center = (left + right) / 2;
2175 UINT *array = order->reorder;
2178 return ERROR_SUCCESS;
2180 /* sort the left half */
2181 r = order_mergesort(view, order, left, center);
2182 if (r != ERROR_SUCCESS)
2185 /* sort the right half */
2186 r = order_mergesort(view, order, center + 1, right);
2187 if (r != ERROR_SUCCESS)
2190 for (i = left, j = center + 1; (i <= center) && (j <= right); i++)
2192 r = order_compare(view, order, array[i], array[j], &swap);
2193 if (r != ERROR_SUCCESS)
2199 memmove(&array[i + 1], &array[i], (j - i) * sizeof(UINT));
2206 return ERROR_SUCCESS;
2209 static UINT order_verify(struct tagMSIVIEW *view, MSIORDERINFO *order, UINT num_rows)
2213 for (i = 1; i < num_rows; i++)
2215 r = order_compare(view, order, order->reorder[i - 1],
2216 order->reorder[i], &swap);
2217 if (r != ERROR_SUCCESS)
2223 ERR("Bad order! %d\n", i);
2224 return ERROR_FUNCTION_FAILED;
2227 return ERROR_SUCCESS;
2230 static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
2232 MSITABLEVIEW *tv = (MSITABLEVIEW *)view;
2233 MSIORDERINFO *order;
2238 TRACE("sorting table %s\n", debugstr_w(tv->name));
2240 r = TABLE_get_dimensions(view, &rows, &cols);
2241 if (r != ERROR_SUCCESS)
2245 return ERROR_SUCCESS;
2247 order = msi_alloc_zero(sizeof(MSIORDERINFO) + sizeof(UINT) * cols);
2249 return ERROR_OUTOFMEMORY;
2251 for (ptr = columns; ptr; ptr = ptr->next)
2252 order_add_column(view, order, ptr->column);
2254 order->reorder = msi_alloc(rows * sizeof(UINT));
2255 if (!order->reorder)
2256 return ERROR_OUTOFMEMORY;
2258 for (i = 0; i < rows; i++)
2259 order->reorder[i] = i;
2261 r = order_mergesort(view, order, 0, rows - 1);
2262 if (r != ERROR_SUCCESS)
2265 r = order_verify(view, order, rows);
2266 if (r != ERROR_SUCCESS)
2271 return ERROR_SUCCESS;
2274 static UINT TABLE_drop(struct tagMSIVIEW *view)
2276 MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
2277 MSIVIEW *tables = NULL;
2278 MSIRECORD *rec = NULL;
2282 TRACE("dropping table %s\n", debugstr_w(tv->name));
2284 for (i = tv->table->col_count - 1; i >= 0; i--)
2286 r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
2287 tv->table->colinfo[i].number);
2288 if (r != ERROR_SUCCESS)
2292 rec = MSI_CreateRecord(1);
2294 return ERROR_OUTOFMEMORY;
2296 MSI_RecordSetStringW(rec, 1, tv->name);
2298 r = TABLE_CreateView(tv->db, szTables, &tables);
2299 if (r != ERROR_SUCCESS)
2302 r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row);
2303 if (r != ERROR_SUCCESS)
2306 r = TABLE_delete_row(tables, row);
2307 if (r != ERROR_SUCCESS)
2310 list_remove(&tv->table->entry);
2311 free_table(tv->table);
2314 msiobj_release(&rec->hdr);
2315 tables->ops->delete(tables);
2320 static const MSIVIEWOPS table_ops =
2330 TABLE_get_dimensions,
2331 TABLE_get_column_info,
2334 TABLE_find_matching_rows,
2338 TABLE_remove_column,
2343 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )
2348 TRACE("%p %s %p\n", db, debugstr_w(name), view );
2350 if ( !strcmpW( name, szStreams ) )
2351 return STREAMS_CreateView( db, view );
2352 else if ( !strcmpW( name, szStorages ) )
2353 return STORAGES_CreateView( db, view );
2355 sz = sizeof *tv + lstrlenW(name)*sizeof name[0] ;
2356 tv = msi_alloc_zero( sz );
2358 return ERROR_FUNCTION_FAILED;
2360 r = get_table( db, name, &tv->table );
2361 if( r != ERROR_SUCCESS )
2364 WARN("table not found\n");
2368 TRACE("table %p found with %d columns\n", tv->table, tv->table->col_count);
2370 /* fill the structure */
2371 tv->view.ops = &table_ops;
2373 tv->columns = tv->table->colinfo;
2374 tv->num_cols = tv->table->col_count;
2375 tv->row_size = msi_table_get_row_size( db, tv->table->colinfo, tv->table->col_count, LONG_STR_BYTES );
2377 TRACE("%s one row is %d bytes\n", debugstr_w(name), tv->row_size );
2379 *view = (MSIVIEW*) tv;
2380 lstrcpyW( tv->name, name );
2382 return ERROR_SUCCESS;
2385 UINT MSI_CommitTables( MSIDATABASE *db )
2387 UINT r, bytes_per_strref;
2389 MSITABLE *table = NULL;
2393 r = msi_save_string_table( db->strings, db->storage, &bytes_per_strref );
2394 if( r != ERROR_SUCCESS )
2396 WARN("failed to save string table r=%08x\n",r);
2400 LIST_FOR_EACH_ENTRY( table, &db->tables, MSITABLE, entry )
2402 r = save_table( db, table, bytes_per_strref );
2403 if( r != ERROR_SUCCESS )
2405 WARN("failed to save table %s (r=%08x)\n",
2406 debugstr_w(table->name), r);
2411 /* force everything to reload next time */
2412 free_cached_tables( db );
2414 hr = IStorage_Commit( db->storage, 0 );
2417 WARN("failed to commit changes 0x%08x\n", hr);
2418 r = ERROR_FUNCTION_FAILED;
2423 MSICONDITION MSI_DatabaseIsTablePersistent( MSIDATABASE *db, LPCWSTR table )
2428 TRACE("%p %s\n", db, debugstr_w(table));
2431 return MSICONDITION_ERROR;
2433 r = get_table( db, table, &t );
2434 if (r != ERROR_SUCCESS)
2435 return MSICONDITION_NONE;
2437 return t->persistent;
2440 static UINT read_raw_int(const BYTE *data, UINT col, UINT bytes)
2444 for (i = 0; i < bytes; i++)
2445 ret += (data[col + i] << i * 8);
2450 static UINT msi_record_encoded_stream_name( const MSITABLEVIEW *tv, MSIRECORD *rec, LPWSTR *pstname )
2452 LPWSTR stname = NULL, sval, p;
2456 TRACE("%p %p\n", tv, rec);
2458 len = lstrlenW( tv->name ) + 1;
2459 stname = msi_alloc( len*sizeof(WCHAR) );
2462 r = ERROR_OUTOFMEMORY;
2466 lstrcpyW( stname, tv->name );
2468 for ( i = 0; i < tv->num_cols; i++ )
2470 if ( tv->columns[i].type & MSITYPE_KEY )
2472 sval = msi_dup_record_field( rec, i + 1 );
2475 r = ERROR_OUTOFMEMORY;
2479 len += lstrlenW( szDot ) + lstrlenW ( sval );
2480 p = msi_realloc ( stname, len*sizeof(WCHAR) );
2483 r = ERROR_OUTOFMEMORY;
2488 lstrcatW( stname, szDot );
2489 lstrcatW( stname, sval );
2497 *pstname = encode_streamname( FALSE, stname );
2500 return ERROR_SUCCESS;
2503 msi_free ( stname );
2508 static MSIRECORD *msi_get_transform_record( const MSITABLEVIEW *tv, const string_table *st,
2510 const BYTE *rawdata, UINT bytes_per_strref )
2512 UINT i, val, ofs = 0;
2514 MSICOLUMNINFO *columns = tv->columns;
2517 mask = rawdata[0] | (rawdata[1] << 8);
2520 rec = MSI_CreateRecord( tv->num_cols );
2525 for( i=0; i<tv->num_cols; i++ )
2527 if ( (mask&1) && (i>=(mask>>8)) )
2529 /* all keys must be present */
2530 if ( (~mask&1) && (~columns[i].type & MSITYPE_KEY) && ((1<<i) & ~mask) )
2533 if( MSITYPE_IS_BINARY(tv->columns[i].type) )
2536 IStream *stm = NULL;
2539 ofs += bytes_per_column( tv->db, &columns[i], bytes_per_strref );
2541 r = msi_record_encoded_stream_name( tv, rec, &encname );
2542 if ( r != ERROR_SUCCESS )
2545 r = IStorage_OpenStream( stg, encname, NULL,
2546 STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm );
2547 msi_free( encname );
2548 if ( r != ERROR_SUCCESS )
2551 MSI_RecordSetStream( rec, i+1, stm );
2552 TRACE(" field %d [%s]\n", i+1, debugstr_w(encname));
2554 else if( columns[i].type & MSITYPE_STRING )
2558 val = read_raw_int(rawdata, ofs, bytes_per_strref);
2559 sval = msi_string_lookup_id( st, val );
2560 MSI_RecordSetStringW( rec, i+1, sval );
2561 TRACE(" field %d [%s]\n", i+1, debugstr_w(sval));
2562 ofs += bytes_per_strref;
2566 UINT n = bytes_per_column( tv->db, &columns[i], bytes_per_strref );
2570 val = read_raw_int(rawdata, ofs, n);
2572 MSI_RecordSetInteger( rec, i+1, val-0x8000 );
2573 TRACE(" field %d [0x%04x]\n", i+1, val );
2576 val = read_raw_int(rawdata, ofs, n);
2578 MSI_RecordSetInteger( rec, i+1, val^0x80000000 );
2579 TRACE(" field %d [0x%08x]\n", i+1, val );
2582 ERR("oops - unknown column width %d\n", n);
2591 static void dump_record( MSIRECORD *rec )
2595 n = MSI_RecordGetFieldCount( rec );
2596 for( i=1; i<=n; i++ )
2598 LPCWSTR sval = MSI_RecordGetString( rec, i );
2600 if( MSI_RecordIsNull( rec, i ) )
2601 TRACE("row -> []\n");
2602 else if( (sval = MSI_RecordGetString( rec, i )) )
2603 TRACE("row -> [%s]\n", debugstr_w(sval));
2605 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec, i ) );
2609 static void dump_table( const string_table *st, const USHORT *rawdata, UINT rawsize )
2614 for( i=0; i<(rawsize/2); i++ )
2616 sval = msi_string_lookup_id( st, rawdata[i] );
2617 MESSAGE(" %04x %s\n", rawdata[i], debugstr_w(sval) );
2621 static UINT* msi_record_to_row( const MSITABLEVIEW *tv, MSIRECORD *rec )
2626 data = msi_alloc( tv->num_cols *sizeof (UINT) );
2627 for( i=0; i<tv->num_cols; i++ )
2631 if ( ~tv->columns[i].type & MSITYPE_KEY )
2634 /* turn the transform column value into a row value */
2635 if ( ( tv->columns[i].type & MSITYPE_STRING ) &&
2636 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2638 str = MSI_RecordGetString( rec, i+1 );
2641 r = msi_string2idW( tv->db->strings, str, &data[i] );
2643 /* if there's no matching string in the string table,
2644 these keys can't match any record, so fail now. */
2645 if (r != ERROR_SUCCESS)
2655 data[i] = MSI_RecordGetInteger( rec, i+1 );
2657 if (data[i] == MSI_NULL_INTEGER)
2659 else if ((tv->columns[i].type&0xff) == 2)
2662 data[i] += 0x80000000;
2668 static UINT msi_row_matches( MSITABLEVIEW *tv, UINT row, const UINT *data )
2670 UINT i, r, x, ret = ERROR_FUNCTION_FAILED;
2672 for( i=0; i<tv->num_cols; i++ )
2674 if ( ~tv->columns[i].type & MSITYPE_KEY )
2677 /* turn the transform column value into a row value */
2678 r = TABLE_fetch_int( &tv->view, row, i+1, &x );
2679 if ( r != ERROR_SUCCESS )
2681 ERR("TABLE_fetch_int shouldn't fail here\n");
2685 /* if this key matches, move to the next column */
2688 ret = ERROR_FUNCTION_FAILED;
2692 ret = ERROR_SUCCESS;
2698 static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row )
2700 UINT i, r = ERROR_FUNCTION_FAILED, *data;
2702 data = msi_record_to_row( tv, rec );
2705 for( i = 0; i < tv->table->row_count; i++ )
2707 r = msi_row_matches( tv, i, data );
2708 if( r == ERROR_SUCCESS )
2724 static UINT msi_table_load_transform( MSIDATABASE *db, IStorage *stg,
2725 string_table *st, TRANSFORMDATA *transform,
2726 UINT bytes_per_strref )
2729 BYTE *rawdata = NULL;
2730 MSITABLEVIEW *tv = NULL;
2731 UINT r, n, sz, i, mask;
2732 MSIRECORD *rec = NULL;
2738 return ERROR_SUCCESS;
2740 name = transform->name;
2743 TRACE("%p %p %p %s\n", db, stg, st, debugstr_w(name) );
2745 /* read the transform data */
2746 read_stream_data( stg, name, TRUE, &rawdata, &rawsize );
2749 TRACE("table %s empty\n", debugstr_w(name) );
2750 return ERROR_INVALID_TABLE;
2753 /* create a table view */
2754 r = TABLE_CreateView( db, name, (MSIVIEW**) &tv );
2755 if( r != ERROR_SUCCESS )
2758 r = tv->view.ops->execute( &tv->view, NULL );
2759 if( r != ERROR_SUCCESS )
2762 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2763 debugstr_w(name), tv->num_cols, tv->row_size, rawsize );
2765 /* interpret the data */
2767 for( n=0; n < rawsize; )
2769 mask = rawdata[n] | (rawdata[n+1] << 8);
2774 * if the low bit is set, columns are continuous and
2775 * the number of columns is specified in the high byte
2778 for( i=0; i<tv->num_cols; i++ )
2780 if( (tv->columns[i].type & MSITYPE_STRING) &&
2781 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2782 sz += bytes_per_strref;
2784 sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref );
2790 * If the low bit is not set, mask is a bitmask.
2791 * Excepting for key fields, which are always present,
2792 * each bit indicates that a field is present in the transform record.
2794 * mask == 0 is a special case ... only the keys will be present
2795 * and it means that this row should be deleted.
2798 for( i=0; i<tv->num_cols; i++ )
2800 if( (tv->columns[i].type & MSITYPE_KEY) || ((1<<i)&mask))
2802 if( (tv->columns[i].type & MSITYPE_STRING) &&
2803 ! MSITYPE_IS_BINARY(tv->columns[i].type) )
2804 sz += bytes_per_strref;
2806 sz += bytes_per_column( tv->db, &tv->columns[i], bytes_per_strref );
2811 /* check we didn't run of the end of the table */
2812 if ( (n+sz) > rawsize )
2815 dump_table( st, (USHORT *)rawdata, rawsize );
2819 rec = msi_get_transform_record( tv, st, stg, &rawdata[n], bytes_per_strref );
2824 UINT number = MSI_NULL_INTEGER;
2827 if (!strcmpW( name, szColumns ))
2829 MSI_RecordGetStringW( rec, 1, table, &sz );
2830 number = MSI_RecordGetInteger( rec, 2 );
2833 * Native msi seems writes nul into the Number (2nd) column of
2834 * the _Columns table, only when the columns are from a new table
2836 if ( number == MSI_NULL_INTEGER )
2838 /* reset the column number on a new table */
2839 if (strcmpW( coltable, table ))
2842 lstrcpyW( coltable, table );
2845 /* fix nul column numbers */
2846 MSI_RecordSetInteger( rec, 2, ++colcol );
2850 if (TRACE_ON(msidb)) dump_record( rec );
2852 r = msi_table_find_row( tv, rec, &row );
2853 if (r == ERROR_SUCCESS)
2857 TRACE("deleting row [%d]:\n", row);
2858 r = TABLE_delete_row( &tv->view, row );
2859 if (r != ERROR_SUCCESS)
2860 WARN("failed to delete row %u\n", r);
2864 TRACE("modifying full row [%d]:\n", row);
2865 r = TABLE_set_row( &tv->view, row, rec, (1 << tv->num_cols) - 1 );
2866 if (r != ERROR_SUCCESS)
2867 WARN("failed to modify row %u\n", r);
2871 TRACE("modifying masked row [%d]:\n", row);
2872 r = TABLE_set_row( &tv->view, row, rec, mask );
2873 if (r != ERROR_SUCCESS)
2874 WARN("failed to modify row %u\n", r);
2879 TRACE("inserting row\n");
2880 r = TABLE_insert_row( &tv->view, rec, -1, FALSE );
2881 if (r != ERROR_SUCCESS)
2882 WARN("failed to insert row %u\n", r);
2885 if (number != MSI_NULL_INTEGER && !strcmpW( name, szColumns ))
2886 msi_update_table_columns( db, table );
2888 msiobj_release( &rec->hdr );
2895 /* no need to free the table, it's associated with the database */
2896 msi_free( rawdata );
2898 tv->view.ops->delete( &tv->view );
2900 return ERROR_SUCCESS;
2904 * msi_table_apply_transform
2906 * Enumerate the table transforms in a transform storage and apply each one.
2908 UINT msi_table_apply_transform( MSIDATABASE *db, IStorage *stg )
2910 struct list transforms;
2911 IEnumSTATSTG *stgenum = NULL;
2912 TRANSFORMDATA *transform;
2913 TRANSFORMDATA *tables = NULL, *columns = NULL;
2916 string_table *strings;
2917 UINT ret = ERROR_FUNCTION_FAILED;
2918 UINT bytes_per_strref;
2920 TRACE("%p %p\n", db, stg );
2922 strings = msi_load_string_table( stg, &bytes_per_strref );
2926 r = IStorage_EnumElements( stg, 0, NULL, 0, &stgenum );
2930 list_init(&transforms);
2934 MSITABLEVIEW *tv = NULL;
2938 r = IEnumSTATSTG_Next( stgenum, 1, &stat, &count );
2939 if ( FAILED( r ) || !count )
2942 decode_streamname( stat.pwcsName, name );
2943 CoTaskMemFree( stat.pwcsName );
2944 if ( name[0] != 0x4840 )
2947 if ( !strcmpW( name+1, szStringPool ) ||
2948 !strcmpW( name+1, szStringData ) )
2951 transform = msi_alloc_zero( sizeof(TRANSFORMDATA) );
2955 list_add_tail( &transforms, &transform->entry );
2957 transform->name = strdupW( name + 1 );
2959 if ( !strcmpW( transform->name, szTables ) )
2961 else if (!strcmpW( transform->name, szColumns ) )
2962 columns = transform;
2964 TRACE("transform contains stream %s\n", debugstr_w(name));
2966 /* load the table */
2967 r = TABLE_CreateView( db, transform->name, (MSIVIEW**) &tv );
2968 if( r != ERROR_SUCCESS )
2971 r = tv->view.ops->execute( &tv->view, NULL );
2972 if( r != ERROR_SUCCESS )
2974 tv->view.ops->delete( &tv->view );
2978 tv->view.ops->delete( &tv->view );
2982 * Apply _Tables and _Columns transforms first so that
2983 * the table metadata is correct, and empty tables exist.
2985 ret = msi_table_load_transform( db, stg, strings, tables, bytes_per_strref );
2986 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2989 ret = msi_table_load_transform( db, stg, strings, columns, bytes_per_strref );
2990 if (ret != ERROR_SUCCESS && ret != ERROR_INVALID_TABLE)
2993 ret = ERROR_SUCCESS;
2995 while ( !list_empty( &transforms ) )
2997 transform = LIST_ENTRY( list_head( &transforms ), TRANSFORMDATA, entry );
2999 if ( strcmpW( transform->name, szColumns ) &&
3000 strcmpW( transform->name, szTables ) &&
3001 ret == ERROR_SUCCESS )
3003 ret = msi_table_load_transform( db, stg, strings, transform, bytes_per_strref );
3006 list_remove( &transform->entry );
3007 msi_free( transform->name );
3008 msi_free( transform );
3011 if ( ret == ERROR_SUCCESS )
3012 append_storage_to_db( db, stg );
3016 IEnumSTATSTG_Release( stgenum );
3018 msi_destroy_stringtable( strings );