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
;
68 BOOL
*data_persistent
;
71 MSICOLUMNINFO
*colinfo
;
73 MSICONDITION persistent
;
78 /* information for default tables */
79 static const WCHAR szTables
[] = {'_','T','a','b','l','e','s',0};
80 static const WCHAR szTable
[] = {'T','a','b','l','e',0};
81 static const WCHAR szColumns
[] = {'_','C','o','l','u','m','n','s',0};
82 static const WCHAR szNumber
[] = {'N','u','m','b','e','r',0};
83 static const WCHAR szType
[] = {'T','y','p','e',0};
85 static const MSICOLUMNINFO _Columns_cols
[4] = {
86 { szColumns
, 1, szTable
, MSITYPE_VALID
| MSITYPE_STRING
| MSITYPE_KEY
| 64, 0, 0, 0, NULL
},
87 { szColumns
, 2, szNumber
, MSITYPE_VALID
| MSITYPE_KEY
| 2, 2, 0, 0, NULL
},
88 { szColumns
, 3, szName
, MSITYPE_VALID
| MSITYPE_STRING
| 64, 4, 0, 0, NULL
},
89 { szColumns
, 4, szType
, MSITYPE_VALID
| 2, 6, 0, 0, NULL
},
92 static const MSICOLUMNINFO _Tables_cols
[1] = {
93 { szTables
, 1, szName
, MSITYPE_VALID
| MSITYPE_STRING
| MSITYPE_KEY
| 64, 0, 0, 0, NULL
},
96 #define MAX_STREAM_NAME 0x1f
98 static inline UINT
bytes_per_column( MSIDATABASE
*db
, const MSICOLUMNINFO
*col
, UINT bytes_per_strref
)
100 if( MSITYPE_IS_BINARY(col
->type
) )
103 if( col
->type
& MSITYPE_STRING
)
104 return bytes_per_strref
;
106 if( (col
->type
& 0xff) <= 2)
109 if( (col
->type
& 0xff) != 4 )
110 ERR("Invalid column size!\n");
115 static int utf2mime(int x
)
117 if( (x
>='0') && (x
<='9') )
119 if( (x
>='A') && (x
<='Z') )
121 if( (x
>='a') && (x
<='z') )
130 LPWSTR
encode_streamname(BOOL bTable
, LPCWSTR in
)
132 DWORD count
= MAX_STREAM_NAME
;
137 count
= lstrlenW( in
)+2;
138 if (!(out
= msi_alloc( count
*sizeof(WCHAR
) ))) return NULL
;
154 if( ( ch
< 0x80 ) && ( utf2mime(ch
) >= 0 ) )
156 ch
= utf2mime(ch
) + 0x4800;
158 if( next
&& (next
<0x80) )
160 next
= utf2mime(next
);
171 ERR("Failed to encode stream name (%s)\n",debugstr_w(in
));
176 static int mime2utf(int x
)
183 return x
- 10 - 26 + 'a';
184 if( x
== (10+26+26) )
189 BOOL
decode_streamname(LPCWSTR in
, LPWSTR out
)
194 while ( (ch
= *in
++) )
196 if( (ch
>= 0x3800 ) && (ch
< 0x4840 ) )
199 ch
= mime2utf(ch
-0x4800);
203 *out
++ = mime2utf(ch
&0x3f);
205 ch
= mime2utf((ch
>>6)&0x3f);
215 void enum_stream_names( IStorage
*stg
)
217 IEnumSTATSTG
*stgenum
= NULL
;
223 r
= IStorage_EnumElements( stg
, 0, NULL
, 0, &stgenum
);
231 r
= IEnumSTATSTG_Next( stgenum
, 1, &stat
, &count
);
232 if( FAILED( r
) || !count
)
234 decode_streamname( stat
.pwcsName
, name
);
235 TRACE("stream %2d -> %s %s\n", n
,
236 debugstr_w(stat
.pwcsName
), debugstr_w(name
) );
237 CoTaskMemFree( stat
.pwcsName
);
241 IEnumSTATSTG_Release( stgenum
);
244 UINT
read_stream_data( IStorage
*stg
, LPCWSTR stname
, BOOL table
,
245 BYTE
**pdata
, UINT
*psz
)
248 UINT ret
= ERROR_FUNCTION_FAILED
;
255 encname
= encode_streamname(table
, stname
);
257 TRACE("%s -> %s\n",debugstr_w(stname
),debugstr_w(encname
));
259 r
= IStorage_OpenStream(stg
, encname
, NULL
,
260 STGM_READ
| STGM_SHARE_EXCLUSIVE
, 0, &stm
);
264 WARN("open stream failed r = %08x - empty table?\n", r
);
268 r
= IStream_Stat(stm
, &stat
, STATFLAG_NONAME
);
271 WARN("open stream failed r = %08x!\n", r
);
275 if( stat
.cbSize
.QuadPart
>> 32 )
281 sz
= stat
.cbSize
.QuadPart
;
282 data
= msi_alloc( sz
);
285 WARN("couldn't allocate memory r=%08x!\n", r
);
286 ret
= ERROR_NOT_ENOUGH_MEMORY
;
290 r
= IStream_Read(stm
, data
, sz
, &count
);
291 if( FAILED( r
) || ( count
!= sz
) )
294 WARN("read stream failed r = %08x!\n", r
);
303 IStream_Release( stm
);
308 UINT
write_stream_data( IStorage
*stg
, LPCWSTR stname
,
309 LPCVOID data
, UINT sz
, BOOL bTable
)
312 UINT ret
= ERROR_FUNCTION_FAILED
;
319 encname
= encode_streamname(bTable
, stname
);
320 r
= IStorage_OpenStream( stg
, encname
, NULL
,
321 STGM_WRITE
| STGM_SHARE_EXCLUSIVE
, 0, &stm
);
324 r
= IStorage_CreateStream( stg
, encname
,
325 STGM_WRITE
| STGM_SHARE_EXCLUSIVE
, 0, 0, &stm
);
330 WARN("open stream failed r = %08x\n", r
);
335 r
= IStream_SetSize( stm
, size
);
338 WARN("Failed to SetSize\n");
343 r
= IStream_Seek( stm
, pos
, STREAM_SEEK_SET
, NULL
);
346 WARN("Failed to Seek\n");
352 r
= IStream_Write(stm
, data
, sz
, &count
);
353 if( FAILED( r
) || ( count
!= sz
) )
355 WARN("Failed to Write\n");
363 IStream_Release( stm
);
368 static void msi_free_colinfo( MSICOLUMNINFO
*colinfo
, UINT count
)
371 for (i
= 0; i
< count
; i
++) msi_free( colinfo
[i
].hash_table
);
374 static void free_table( MSITABLE
*table
)
377 for( i
=0; i
<table
->row_count
; i
++ )
378 msi_free( table
->data
[i
] );
379 msi_free( table
->data
);
380 msi_free( table
->data_persistent
);
381 msi_free_colinfo( table
->colinfo
, table
->col_count
);
382 msi_free( table
->colinfo
);
386 static UINT
msi_table_get_row_size( MSIDATABASE
*db
, const MSICOLUMNINFO
*cols
, UINT count
, UINT bytes_per_strref
)
388 const MSICOLUMNINFO
*last_col
;
393 if (bytes_per_strref
!= LONG_STR_BYTES
)
396 for (i
= 0; i
< count
; i
++) size
+= bytes_per_column( db
, &cols
[i
], bytes_per_strref
);
399 last_col
= &cols
[count
- 1];
400 return last_col
->offset
+ bytes_per_column( db
, last_col
, bytes_per_strref
);
403 /* add this table to the list of cached tables in the database */
404 static UINT
read_table_from_storage( MSIDATABASE
*db
, MSITABLE
*t
, IStorage
*stg
)
406 BYTE
*rawdata
= NULL
;
407 UINT rawsize
= 0, i
, j
, row_size
, row_size_mem
;
409 TRACE("%s\n",debugstr_w(t
->name
));
411 row_size
= msi_table_get_row_size( db
, t
->colinfo
, t
->col_count
, db
->bytes_per_strref
);
412 row_size_mem
= msi_table_get_row_size( db
, t
->colinfo
, t
->col_count
, LONG_STR_BYTES
);
414 /* if we can't read the table, just assume that it's empty */
415 read_stream_data( stg
, t
->name
, TRUE
, &rawdata
, &rawsize
);
417 return ERROR_SUCCESS
;
419 TRACE("Read %d bytes\n", rawsize
);
421 if( rawsize
% row_size
)
423 WARN("Table size is invalid %d/%d\n", rawsize
, row_size
);
427 t
->row_count
= rawsize
/ row_size
;
428 t
->data
= msi_alloc_zero( t
->row_count
* sizeof (USHORT
*) );
431 t
->data_persistent
= msi_alloc_zero( t
->row_count
* sizeof(BOOL
));
432 if ( !t
->data_persistent
)
435 /* transpose all the data */
436 TRACE("Transposing data from %d rows\n", t
->row_count
);
437 for (i
= 0; i
< t
->row_count
; i
++)
439 UINT ofs
= 0, ofs_mem
= 0;
441 t
->data
[i
] = msi_alloc( row_size_mem
);
444 t
->data_persistent
[i
] = TRUE
;
446 for (j
= 0; j
< t
->col_count
; j
++)
448 UINT m
= bytes_per_column( db
, &t
->colinfo
[j
], LONG_STR_BYTES
);
449 UINT n
= bytes_per_column( db
, &t
->colinfo
[j
], db
->bytes_per_strref
);
452 if ( n
!= 2 && n
!= 3 && n
!= 4 )
454 ERR("oops - unknown column width %d\n", n
);
457 if (t
->colinfo
[j
].type
& MSITYPE_STRING
&& n
< m
)
459 for (k
= 0; k
< m
; k
++)
462 t
->data
[i
][ofs_mem
+ k
] = rawdata
[ofs
* t
->row_count
+ i
* n
+ k
];
464 t
->data
[i
][ofs_mem
+ k
] = 0;
469 for (k
= 0; k
< n
; k
++)
470 t
->data
[i
][ofs_mem
+ k
] = rawdata
[ofs
* t
->row_count
+ i
* n
+ k
];
478 return ERROR_SUCCESS
;
481 return ERROR_FUNCTION_FAILED
;
484 void free_cached_tables( MSIDATABASE
*db
)
486 while( !list_empty( &db
->tables
) )
488 MSITABLE
*t
= LIST_ENTRY( list_head( &db
->tables
), MSITABLE
, entry
);
490 list_remove( &t
->entry
);
495 static MSITABLE
*find_cached_table( MSIDATABASE
*db
, LPCWSTR name
)
499 LIST_FOR_EACH_ENTRY( t
, &db
->tables
, MSITABLE
, entry
)
500 if( !strcmpW( name
, t
->name
) )
506 static void table_calc_column_offsets( MSIDATABASE
*db
, MSICOLUMNINFO
*colinfo
, DWORD count
)
510 for (i
= 0; colinfo
&& i
< count
; i
++)
512 assert( i
+ 1 == colinfo
[i
].number
);
513 if (i
) colinfo
[i
].offset
= colinfo
[i
- 1].offset
+
514 bytes_per_column( db
, &colinfo
[i
- 1], LONG_STR_BYTES
);
515 else colinfo
[i
].offset
= 0;
517 TRACE("column %d is [%s] with type %08x ofs %d\n",
518 colinfo
[i
].number
, debugstr_w(colinfo
[i
].colname
),
519 colinfo
[i
].type
, colinfo
[i
].offset
);
523 static UINT
get_defaulttablecolumns( MSIDATABASE
*db
, LPCWSTR name
, MSICOLUMNINFO
*colinfo
, UINT
*sz
)
525 const MSICOLUMNINFO
*p
;
528 TRACE("%s\n", debugstr_w(name
));
530 if (!strcmpW( name
, szTables
))
535 else if (!strcmpW( name
, szColumns
))
540 else return ERROR_FUNCTION_FAILED
;
542 for (i
= 0; i
< n
; i
++)
544 if (colinfo
&& i
< *sz
) colinfo
[i
] = p
[i
];
545 if (colinfo
&& i
>= *sz
) break;
547 table_calc_column_offsets( db
, colinfo
, n
);
549 return ERROR_SUCCESS
;
552 static UINT
get_tablecolumns( MSIDATABASE
*db
, LPCWSTR szTableName
, MSICOLUMNINFO
*colinfo
, UINT
*sz
);
554 static UINT
table_get_column_info( MSIDATABASE
*db
, LPCWSTR name
, MSICOLUMNINFO
**pcols
, UINT
*pcount
)
556 UINT r
, column_count
= 0;
557 MSICOLUMNINFO
*columns
;
559 /* get the number of columns in this table */
561 r
= get_tablecolumns( db
, name
, NULL
, &column_count
);
562 if (r
!= ERROR_SUCCESS
)
565 *pcount
= column_count
;
567 /* if there's no columns, there's no table */
569 return ERROR_INVALID_PARAMETER
;
571 TRACE("table %s found\n", debugstr_w(name
));
573 columns
= msi_alloc( column_count
* sizeof(MSICOLUMNINFO
) );
575 return ERROR_FUNCTION_FAILED
;
577 r
= get_tablecolumns( db
, name
, columns
, &column_count
);
578 if (r
!= ERROR_SUCCESS
)
581 return ERROR_FUNCTION_FAILED
;
587 static UINT
get_table( MSIDATABASE
*db
, LPCWSTR name
, MSITABLE
**table_ret
)
592 /* first, see if the table is cached */
593 table
= find_cached_table( db
, name
);
597 return ERROR_SUCCESS
;
600 /* nonexistent tables should be interpreted as empty tables */
601 table
= msi_alloc( sizeof(MSITABLE
) + lstrlenW( name
) * sizeof(WCHAR
) );
603 return ERROR_FUNCTION_FAILED
;
605 table
->row_count
= 0;
607 table
->data_persistent
= NULL
;
608 table
->colinfo
= NULL
;
609 table
->col_count
= 0;
610 table
->persistent
= MSICONDITION_TRUE
;
611 lstrcpyW( table
->name
, name
);
613 if (!strcmpW( name
, szTables
) || !strcmpW( name
, szColumns
))
614 table
->persistent
= MSICONDITION_NONE
;
616 r
= table_get_column_info( db
, name
, &table
->colinfo
, &table
->col_count
);
617 if (r
!= ERROR_SUCCESS
)
622 r
= read_table_from_storage( db
, table
, db
->storage
);
623 if (r
!= ERROR_SUCCESS
)
628 list_add_head( &db
->tables
, &table
->entry
);
630 return ERROR_SUCCESS
;
633 static UINT
read_table_int( BYTE
*const *data
, UINT row
, UINT col
, UINT bytes
)
637 for (i
= 0; i
< bytes
; i
++)
638 ret
+= data
[row
][col
+ i
] << i
* 8;
643 static UINT
get_tablecolumns( MSIDATABASE
*db
, LPCWSTR szTableName
, MSICOLUMNINFO
*colinfo
, UINT
*sz
)
645 UINT r
, i
, n
= 0, table_id
, count
, maxcount
= *sz
;
646 MSITABLE
*table
= NULL
;
648 TRACE("%s\n", debugstr_w(szTableName
));
650 /* first check if there is a default table with that name */
651 r
= get_defaulttablecolumns( db
, szTableName
, colinfo
, sz
);
652 if (r
== ERROR_SUCCESS
&& *sz
)
655 r
= get_table( db
, szColumns
, &table
);
656 if (r
!= ERROR_SUCCESS
)
658 ERR("couldn't load _Columns table\n");
659 return ERROR_FUNCTION_FAILED
;
662 /* convert table and column names to IDs from the string table */
663 r
= msi_string2id( db
->strings
, szTableName
, -1, &table_id
);
664 if (r
!= ERROR_SUCCESS
)
666 WARN("Couldn't find id for %s\n", debugstr_w(szTableName
));
669 TRACE("Table id is %d, row count is %d\n", table_id
, table
->row_count
);
671 /* Note: _Columns table doesn't have non-persistent data */
673 /* if maxcount is non-zero, assume it's exactly right for this table */
674 memset( colinfo
, 0, maxcount
* sizeof(*colinfo
) );
675 count
= table
->row_count
;
676 for (i
= 0; i
< count
; i
++)
678 if (read_table_int( table
->data
, i
, 0, LONG_STR_BYTES
) != table_id
) continue;
681 UINT id
= read_table_int( table
->data
, i
, table
->colinfo
[2].offset
, LONG_STR_BYTES
);
682 UINT col
= read_table_int( table
->data
, i
, table
->colinfo
[1].offset
, sizeof(USHORT
) ) - (1 << 15);
684 /* check the column number is in range */
685 if (col
< 1 || col
> maxcount
)
687 ERR("column %d out of range\n", col
);
690 /* check if this column was already set */
691 if (colinfo
[col
- 1].number
)
693 ERR("duplicate column %d\n", col
);
696 colinfo
[col
- 1].tablename
= msi_string_lookup( db
->strings
, table_id
, NULL
);
697 colinfo
[col
- 1].number
= col
;
698 colinfo
[col
- 1].colname
= msi_string_lookup( db
->strings
, id
, NULL
);
699 colinfo
[col
- 1].type
= read_table_int( table
->data
, i
, table
->colinfo
[3].offset
,
700 sizeof(USHORT
) ) - (1 << 15);
701 colinfo
[col
- 1].offset
= 0;
702 colinfo
[col
- 1].ref_count
= 0;
703 colinfo
[col
- 1].hash_table
= NULL
;
707 TRACE("%s has %d columns\n", debugstr_w(szTableName
), n
);
709 if (colinfo
&& n
!= maxcount
)
711 ERR("missing column in table %s\n", debugstr_w(szTableName
));
712 msi_free_colinfo( colinfo
, maxcount
);
713 return ERROR_FUNCTION_FAILED
;
715 table_calc_column_offsets( db
, colinfo
, n
);
717 return ERROR_SUCCESS
;
720 UINT
msi_create_table( MSIDATABASE
*db
, LPCWSTR name
, column_info
*col_info
,
721 MSICONDITION persistent
)
723 enum StringPersistence string_persistence
= (persistent
) ? StringPersistent
: StringNonPersistent
;
726 MSIRECORD
*rec
= NULL
;
731 /* only add tables that don't exist already */
732 if( TABLE_Exists(db
, name
) )
734 WARN("table %s exists\n", debugstr_w(name
));
735 return ERROR_BAD_QUERY_SYNTAX
;
738 table
= msi_alloc( sizeof (MSITABLE
) + lstrlenW(name
)*sizeof (WCHAR
) );
740 return ERROR_FUNCTION_FAILED
;
742 table
->ref_count
= 1;
743 table
->row_count
= 0;
745 table
->data_persistent
= NULL
;
746 table
->colinfo
= NULL
;
747 table
->col_count
= 0;
748 table
->persistent
= persistent
;
749 lstrcpyW( table
->name
, name
);
751 for( col
= col_info
; col
; col
= col
->next
)
754 table
->colinfo
= msi_alloc( table
->col_count
* sizeof(MSICOLUMNINFO
) );
758 return ERROR_FUNCTION_FAILED
;
761 for( i
= 0, col
= col_info
; col
; i
++, col
= col
->next
)
763 UINT table_id
= msi_addstringW( db
->strings
, col
->table
, -1, 1, string_persistence
);
764 UINT col_id
= msi_addstringW( db
->strings
, col
->column
, -1, 1, string_persistence
);
766 table
->colinfo
[ i
].tablename
= msi_string_lookup( db
->strings
, table_id
, NULL
);
767 table
->colinfo
[ i
].number
= i
+ 1;
768 table
->colinfo
[ i
].colname
= msi_string_lookup( db
->strings
, col_id
, NULL
);
769 table
->colinfo
[ i
].type
= col
->type
;
770 table
->colinfo
[ i
].offset
= 0;
771 table
->colinfo
[ i
].ref_count
= 0;
772 table
->colinfo
[ i
].hash_table
= NULL
;
773 table
->colinfo
[ i
].temporary
= col
->temporary
;
775 table_calc_column_offsets( db
, table
->colinfo
, table
->col_count
);
777 r
= TABLE_CreateView( db
, szTables
, &tv
);
778 TRACE("CreateView returned %x\n", r
);
785 r
= tv
->ops
->execute( tv
, 0 );
786 TRACE("tv execute returned %x\n", r
);
790 rec
= MSI_CreateRecord( 1 );
794 r
= MSI_RecordSetStringW( rec
, 1, name
);
798 r
= tv
->ops
->insert_row( tv
, rec
, -1, persistent
== MSICONDITION_FALSE
);
799 TRACE("insert_row returned %x\n", r
);
803 tv
->ops
->delete( tv
);
806 msiobj_release( &rec
->hdr
);
809 if( persistent
!= MSICONDITION_FALSE
)
811 /* add each column to the _Columns table */
812 r
= TABLE_CreateView( db
, szColumns
, &tv
);
816 r
= tv
->ops
->execute( tv
, 0 );
817 TRACE("tv execute returned %x\n", r
);
821 rec
= MSI_CreateRecord( 4 );
825 r
= MSI_RecordSetStringW( rec
, 1, name
);
830 * need to set the table, column number, col name and type
831 * for each column we enter in the table
834 for( col
= col_info
; col
; col
= col
->next
)
836 r
= MSI_RecordSetInteger( rec
, 2, nField
);
840 r
= MSI_RecordSetStringW( rec
, 3, col
->column
);
844 r
= MSI_RecordSetInteger( rec
, 4, col
->type
);
848 r
= tv
->ops
->insert_row( tv
, rec
, -1, FALSE
);
860 msiobj_release( &rec
->hdr
);
861 /* FIXME: remove values from the string table on error */
863 tv
->ops
->delete( tv
);
865 if (r
== ERROR_SUCCESS
)
866 list_add_head( &db
->tables
, &table
->entry
);
873 static UINT
save_table( MSIDATABASE
*db
, const MSITABLE
*t
, UINT bytes_per_strref
)
875 BYTE
*rawdata
= NULL
;
876 UINT rawsize
, i
, j
, row_size
, row_count
;
877 UINT r
= ERROR_FUNCTION_FAILED
;
879 /* Nothing to do for non-persistent tables */
880 if( t
->persistent
== MSICONDITION_FALSE
)
881 return ERROR_SUCCESS
;
883 TRACE("Saving %s\n", debugstr_w( t
->name
) );
885 row_size
= msi_table_get_row_size( db
, t
->colinfo
, t
->col_count
, bytes_per_strref
);
886 row_count
= t
->row_count
;
887 for (i
= 0; i
< t
->row_count
; i
++)
889 if (!t
->data_persistent
[i
])
891 row_count
= 1; /* yes, this is bizarre */
895 rawsize
= row_count
* row_size
;
896 rawdata
= msi_alloc_zero( rawsize
);
899 r
= ERROR_NOT_ENOUGH_MEMORY
;
904 for (i
= 0; i
< t
->row_count
; i
++)
906 UINT ofs
= 0, ofs_mem
= 0;
908 if (!t
->data_persistent
[i
]) break;
910 for (j
= 0; j
< t
->col_count
; j
++)
912 UINT m
= bytes_per_column( db
, &t
->colinfo
[j
], LONG_STR_BYTES
);
913 UINT n
= bytes_per_column( db
, &t
->colinfo
[j
], bytes_per_strref
);
916 if (n
!= 2 && n
!= 3 && n
!= 4)
918 ERR("oops - unknown column width %d\n", n
);
921 if (t
->colinfo
[j
].type
& MSITYPE_STRING
&& n
< m
)
923 UINT id
= read_table_int( t
->data
, i
, ofs_mem
, LONG_STR_BYTES
);
924 if (id
> 1 << bytes_per_strref
* 8)
926 ERR("string id %u out of range\n", id
);
930 for (k
= 0; k
< n
; k
++)
932 rawdata
[ofs
* row_count
+ i
* n
+ k
] = t
->data
[i
][ofs_mem
+ k
];
940 TRACE("writing %d bytes\n", rawsize
);
941 r
= write_stream_data( db
->storage
, t
->name
, rawdata
, rawsize
, TRUE
);
948 static void msi_update_table_columns( MSIDATABASE
*db
, LPCWSTR name
)
951 UINT size
, offset
, old_count
;
954 table
= find_cached_table( db
, name
);
955 old_count
= table
->col_count
;
956 msi_free_colinfo( table
->colinfo
, table
->col_count
);
957 msi_free( table
->colinfo
);
958 table
->colinfo
= NULL
;
960 table_get_column_info( db
, name
, &table
->colinfo
, &table
->col_count
);
961 if (!table
->col_count
) return;
963 size
= msi_table_get_row_size( db
, table
->colinfo
, table
->col_count
, LONG_STR_BYTES
);
964 offset
= table
->colinfo
[table
->col_count
- 1].offset
;
966 for ( n
= 0; n
< table
->row_count
; n
++ )
968 table
->data
[n
] = msi_realloc( table
->data
[n
], size
);
969 if (old_count
< table
->col_count
)
970 memset( &table
->data
[n
][offset
], 0, size
- offset
);
974 /* try to find the table name in the _Tables table */
975 BOOL
TABLE_Exists( MSIDATABASE
*db
, LPCWSTR name
)
980 if( !strcmpW( name
, szTables
) || !strcmpW( name
, szColumns
) ||
981 !strcmpW( name
, szStreams
) || !strcmpW( name
, szStorages
) )
984 r
= msi_string2id( db
->strings
, name
, -1, &table_id
);
985 if( r
!= ERROR_SUCCESS
)
987 TRACE("Couldn't find id for %s\n", debugstr_w(name
));
991 r
= get_table( db
, szTables
, &table
);
992 if( r
!= ERROR_SUCCESS
)
994 ERR("table %s not available\n", debugstr_w(szTables
));
998 for( i
= 0; i
< table
->row_count
; i
++ )
1000 if( read_table_int( table
->data
, i
, 0, LONG_STR_BYTES
) == table_id
)
1007 /* below is the query interface to a table */
1009 typedef struct tagMSITABLEVIEW
1014 MSICOLUMNINFO
*columns
;
1020 static UINT
TABLE_fetch_int( struct tagMSIVIEW
*view
, UINT row
, UINT col
, UINT
*val
)
1022 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1026 return ERROR_INVALID_PARAMETER
;
1028 if( (col
==0) || (col
>tv
->num_cols
) )
1029 return ERROR_INVALID_PARAMETER
;
1031 /* how many rows are there ? */
1032 if( row
>= tv
->table
->row_count
)
1033 return ERROR_NO_MORE_ITEMS
;
1035 if( tv
->columns
[col
-1].offset
>= tv
->row_size
)
1037 ERR("Stuffed up %d >= %d\n", tv
->columns
[col
-1].offset
, tv
->row_size
);
1038 ERR("%p %p\n", tv
, tv
->columns
);
1039 return ERROR_FUNCTION_FAILED
;
1042 n
= bytes_per_column( tv
->db
, &tv
->columns
[col
- 1], LONG_STR_BYTES
);
1043 if (n
!= 2 && n
!= 3 && n
!= 4)
1045 ERR("oops! what is %d bytes per column?\n", n
);
1046 return ERROR_FUNCTION_FAILED
;
1049 offset
= tv
->columns
[col
-1].offset
;
1050 *val
= read_table_int(tv
->table
->data
, row
, offset
, n
);
1052 /* TRACE("Data [%d][%d] = %d\n", row, col, *val ); */
1054 return ERROR_SUCCESS
;
1057 static UINT
msi_stream_name( const MSITABLEVIEW
*tv
, UINT row
, LPWSTR
*pstname
)
1059 LPWSTR p
, stname
= NULL
;
1060 UINT i
, r
, type
, ival
;
1063 MSIVIEW
*view
= (MSIVIEW
*) tv
;
1065 TRACE("%p %d\n", tv
, row
);
1067 len
= lstrlenW( tv
->name
) + 1;
1068 stname
= msi_alloc( len
*sizeof(WCHAR
) );
1071 r
= ERROR_OUTOFMEMORY
;
1075 lstrcpyW( stname
, tv
->name
);
1077 for ( i
= 0; i
< tv
->num_cols
; i
++ )
1079 type
= tv
->columns
[i
].type
;
1080 if ( type
& MSITYPE_KEY
)
1084 r
= TABLE_fetch_int( view
, row
, i
+1, &ival
);
1085 if ( r
!= ERROR_SUCCESS
)
1088 if ( tv
->columns
[i
].type
& MSITYPE_STRING
)
1090 sval
= msi_string_lookup( tv
->db
->strings
, ival
, NULL
);
1093 r
= ERROR_INVALID_PARAMETER
;
1099 static const WCHAR fmt
[] = { '%','d',0 };
1100 UINT n
= bytes_per_column( tv
->db
, &tv
->columns
[i
], LONG_STR_BYTES
);
1105 sprintfW( number
, fmt
, ival
-0x8000 );
1108 sprintfW( number
, fmt
, ival
^0x80000000 );
1111 ERR( "oops - unknown column width %d\n", n
);
1112 r
= ERROR_FUNCTION_FAILED
;
1118 len
+= lstrlenW( szDot
) + lstrlenW( sval
);
1119 p
= msi_realloc ( stname
, len
*sizeof(WCHAR
) );
1122 r
= ERROR_OUTOFMEMORY
;
1127 lstrcatW( stname
, szDot
);
1128 lstrcatW( stname
, sval
);
1135 return ERROR_SUCCESS
;
1144 * We need a special case for streams, as we need to reference column with
1145 * the name of the stream in the same table, and the table name
1146 * which may not be available at higher levels of the query
1148 static UINT
TABLE_fetch_stream( struct tagMSIVIEW
*view
, UINT row
, UINT col
, IStream
**stm
)
1150 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1152 LPWSTR encname
, full_name
= NULL
;
1154 if( !view
->ops
->fetch_int
)
1155 return ERROR_INVALID_PARAMETER
;
1157 r
= msi_stream_name( tv
, row
, &full_name
);
1158 if ( r
!= ERROR_SUCCESS
)
1160 ERR("fetching stream, error = %d\n", r
);
1164 encname
= encode_streamname( FALSE
, full_name
);
1165 r
= msi_get_raw_stream( tv
->db
, encname
, stm
);
1167 ERR("fetching stream %s, error = %d\n",debugstr_w(full_name
), r
);
1169 msi_free( full_name
);
1170 msi_free( encname
);
1174 static UINT
TABLE_set_int( MSITABLEVIEW
*tv
, UINT row
, UINT col
, UINT val
)
1179 return ERROR_INVALID_PARAMETER
;
1181 if( (col
==0) || (col
>tv
->num_cols
) )
1182 return ERROR_INVALID_PARAMETER
;
1184 if( row
>= tv
->table
->row_count
)
1185 return ERROR_INVALID_PARAMETER
;
1187 if( tv
->columns
[col
-1].offset
>= tv
->row_size
)
1189 ERR("Stuffed up %d >= %d\n", tv
->columns
[col
-1].offset
, tv
->row_size
);
1190 ERR("%p %p\n", tv
, tv
->columns
);
1191 return ERROR_FUNCTION_FAILED
;
1194 msi_free( tv
->columns
[col
-1].hash_table
);
1195 tv
->columns
[col
-1].hash_table
= NULL
;
1197 n
= bytes_per_column( tv
->db
, &tv
->columns
[col
- 1], LONG_STR_BYTES
);
1198 if ( n
!= 2 && n
!= 3 && n
!= 4 )
1200 ERR("oops! what is %d bytes per column?\n", n
);
1201 return ERROR_FUNCTION_FAILED
;
1204 offset
= tv
->columns
[col
-1].offset
;
1205 for ( i
= 0; i
< n
; i
++ )
1206 tv
->table
->data
[row
][offset
+ i
] = (val
>> i
* 8) & 0xff;
1208 return ERROR_SUCCESS
;
1211 static UINT
TABLE_get_row( struct tagMSIVIEW
*view
, UINT row
, MSIRECORD
**rec
)
1213 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1216 return ERROR_INVALID_PARAMETER
;
1218 return msi_view_get_row(tv
->db
, view
, row
, rec
);
1221 static UINT
msi_addstreamW( MSIDATABASE
*db
, LPCWSTR name
, IStream
*data
)
1223 static const WCHAR insert
[] = {
1224 'I','N','S','E','R','T',' ','I','N','T','O',' ',
1225 '`','_','S','t','r','e','a','m','s','`',' ',
1226 '(','`','N','a','m','e','`',',','`','D','a','t','a','`',')',' ',
1227 'V','A','L','U','E','S',' ','(','?',',','?',')',0};
1228 MSIQUERY
*query
= NULL
;
1232 TRACE("%p %s %p\n", db
, debugstr_w(name
), data
);
1234 rec
= MSI_CreateRecord( 2 );
1236 return ERROR_OUTOFMEMORY
;
1238 r
= MSI_RecordSetStringW( rec
, 1, name
);
1239 if ( r
!= ERROR_SUCCESS
)
1242 r
= MSI_RecordSetIStream( rec
, 2, data
);
1243 if ( r
!= ERROR_SUCCESS
)
1246 r
= MSI_DatabaseOpenViewW( db
, insert
, &query
);
1247 if ( r
!= ERROR_SUCCESS
)
1250 r
= MSI_ViewExecute( query
, rec
);
1253 msiobj_release( &query
->hdr
);
1254 msiobj_release( &rec
->hdr
);
1258 static UINT
get_table_value_from_record( MSITABLEVIEW
*tv
, MSIRECORD
*rec
, UINT iField
, UINT
*pvalue
)
1260 MSICOLUMNINFO columninfo
;
1263 if ( (iField
<= 0) ||
1264 (iField
> tv
->num_cols
) ||
1265 MSI_RecordIsNull( rec
, iField
) )
1266 return ERROR_FUNCTION_FAILED
;
1268 columninfo
= tv
->columns
[ iField
- 1 ];
1270 if ( MSITYPE_IS_BINARY(columninfo
.type
) )
1272 *pvalue
= 1; /* refers to the first key column */
1274 else if ( columninfo
.type
& MSITYPE_STRING
)
1277 const WCHAR
*sval
= msi_record_get_string( rec
, iField
, &len
);
1280 r
= msi_string2id( tv
->db
->strings
, sval
, len
, pvalue
);
1281 if (r
!= ERROR_SUCCESS
)
1282 return ERROR_NOT_FOUND
;
1286 else if ( bytes_per_column( tv
->db
, &columninfo
, LONG_STR_BYTES
) == 2 )
1288 *pvalue
= 0x8000 + MSI_RecordGetInteger( rec
, iField
);
1289 if ( *pvalue
& 0xffff0000 )
1291 ERR("field %u value %d out of range\n", iField
, *pvalue
- 0x8000);
1292 return ERROR_FUNCTION_FAILED
;
1297 INT ival
= MSI_RecordGetInteger( rec
, iField
);
1298 *pvalue
= ival
^ 0x80000000;
1301 return ERROR_SUCCESS
;
1304 static UINT
TABLE_set_row( struct tagMSIVIEW
*view
, UINT row
, MSIRECORD
*rec
, UINT mask
)
1306 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1307 UINT i
, val
, r
= ERROR_SUCCESS
;
1310 return ERROR_INVALID_PARAMETER
;
1312 /* test if any of the mask bits are invalid */
1313 if ( mask
>= (1<<tv
->num_cols
) )
1314 return ERROR_INVALID_PARAMETER
;
1316 for ( i
= 0; i
< tv
->num_cols
; i
++ )
1320 /* only update the fields specified in the mask */
1321 if ( !(mask
&(1<<i
)) )
1324 persistent
= (tv
->table
->persistent
!= MSICONDITION_FALSE
) &&
1325 (tv
->table
->data_persistent
[row
]);
1326 /* FIXME: should we allow updating keys? */
1329 if ( !MSI_RecordIsNull( rec
, i
+ 1 ) )
1331 r
= get_table_value_from_record (tv
, rec
, i
+ 1, &val
);
1332 if ( MSITYPE_IS_BINARY(tv
->columns
[ i
].type
) )
1337 if ( r
!= ERROR_SUCCESS
)
1338 return ERROR_FUNCTION_FAILED
;
1340 r
= MSI_RecordGetIStream( rec
, i
+ 1, &stm
);
1341 if ( r
!= ERROR_SUCCESS
)
1344 r
= msi_stream_name( tv
, row
, &stname
);
1345 if ( r
!= ERROR_SUCCESS
)
1347 IStream_Release( stm
);
1351 r
= msi_addstreamW( tv
->db
, stname
, stm
);
1352 IStream_Release( stm
);
1353 msi_free ( stname
);
1355 if ( r
!= ERROR_SUCCESS
)
1358 else if ( tv
->columns
[i
].type
& MSITYPE_STRING
)
1362 if ( r
!= ERROR_SUCCESS
)
1365 const WCHAR
*sval
= msi_record_get_string( rec
, i
+ 1, &len
);
1366 val
= msi_addstringW( tv
->db
->strings
, sval
, len
, 1,
1367 persistent
? StringPersistent
: StringNonPersistent
);
1371 TABLE_fetch_int(&tv
->view
, row
, i
+ 1, &x
);
1378 if ( r
!= ERROR_SUCCESS
)
1379 return ERROR_FUNCTION_FAILED
;
1383 r
= TABLE_set_int( tv
, row
, i
+1, val
);
1384 if ( r
!= ERROR_SUCCESS
)
1390 static UINT
table_create_new_row( struct tagMSIVIEW
*view
, UINT
*num
, BOOL temporary
)
1392 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1397 BOOL
**data_persist_ptr
;
1400 TRACE("%p %s\n", view
, temporary
? "TRUE" : "FALSE");
1403 return ERROR_INVALID_PARAMETER
;
1405 row
= msi_alloc_zero( tv
->row_size
);
1407 return ERROR_NOT_ENOUGH_MEMORY
;
1409 row_count
= &tv
->table
->row_count
;
1410 data_ptr
= &tv
->table
->data
;
1411 data_persist_ptr
= &tv
->table
->data_persistent
;
1413 *num
= tv
->table
->row_count
;
1415 sz
= (*row_count
+ 1) * sizeof (BYTE
*);
1417 p
= msi_realloc( *data_ptr
, sz
);
1419 p
= msi_alloc( sz
);
1423 return ERROR_NOT_ENOUGH_MEMORY
;
1426 sz
= (*row_count
+ 1) * sizeof (BOOL
);
1427 if( *data_persist_ptr
)
1428 b
= msi_realloc( *data_persist_ptr
, sz
);
1430 b
= msi_alloc( sz
);
1435 return ERROR_NOT_ENOUGH_MEMORY
;
1439 (*data_ptr
)[*row_count
] = row
;
1441 *data_persist_ptr
= b
;
1442 (*data_persist_ptr
)[*row_count
] = !temporary
;
1446 return ERROR_SUCCESS
;
1449 static UINT
TABLE_execute( struct tagMSIVIEW
*view
, MSIRECORD
*record
)
1451 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1453 TRACE("%p %p\n", tv
, record
);
1455 TRACE("There are %d columns\n", tv
->num_cols
);
1457 return ERROR_SUCCESS
;
1460 static UINT
TABLE_close( struct tagMSIVIEW
*view
)
1462 TRACE("%p\n", view
);
1464 return ERROR_SUCCESS
;
1467 static UINT
TABLE_get_dimensions( struct tagMSIVIEW
*view
, UINT
*rows
, UINT
*cols
)
1469 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1471 TRACE("%p %p %p\n", view
, rows
, cols
);
1474 *cols
= tv
->num_cols
;
1478 return ERROR_INVALID_PARAMETER
;
1479 *rows
= tv
->table
->row_count
;
1482 return ERROR_SUCCESS
;
1485 static UINT
TABLE_get_column_info( struct tagMSIVIEW
*view
,
1486 UINT n
, LPCWSTR
*name
, UINT
*type
, BOOL
*temporary
,
1487 LPCWSTR
*table_name
)
1489 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1491 TRACE("%p %d %p %p\n", tv
, n
, name
, type
);
1493 if( ( n
== 0 ) || ( n
> tv
->num_cols
) )
1494 return ERROR_INVALID_PARAMETER
;
1498 *name
= tv
->columns
[n
-1].colname
;
1500 return ERROR_FUNCTION_FAILED
;
1505 *table_name
= tv
->columns
[n
-1].tablename
;
1507 return ERROR_FUNCTION_FAILED
;
1511 *type
= tv
->columns
[n
-1].type
;
1514 *temporary
= tv
->columns
[n
-1].temporary
;
1516 return ERROR_SUCCESS
;
1519 static UINT
msi_table_find_row( MSITABLEVIEW
*tv
, MSIRECORD
*rec
, UINT
*row
, UINT
*column
);
1521 static UINT
table_validate_new( MSITABLEVIEW
*tv
, MSIRECORD
*rec
, UINT
*column
)
1525 /* check there's no null values where they're not allowed */
1526 for( i
= 0; i
< tv
->num_cols
; i
++ )
1528 if ( tv
->columns
[i
].type
& MSITYPE_NULLABLE
)
1531 if ( MSITYPE_IS_BINARY(tv
->columns
[i
].type
) )
1532 TRACE("skipping binary column\n");
1533 else if ( tv
->columns
[i
].type
& MSITYPE_STRING
)
1536 const WCHAR
*str
= msi_record_get_string( rec
, i
+1, &len
);
1538 if (!str
|| (!str
[0] && !len
))
1540 if (column
) *column
= i
;
1541 return ERROR_INVALID_DATA
;
1548 n
= MSI_RecordGetInteger( rec
, i
+1 );
1549 if (n
== MSI_NULL_INTEGER
)
1551 if (column
) *column
= i
;
1552 return ERROR_INVALID_DATA
;
1557 /* check there's no duplicate keys */
1558 r
= msi_table_find_row( tv
, rec
, &row
, column
);
1559 if (r
== ERROR_SUCCESS
)
1560 return ERROR_FUNCTION_FAILED
;
1562 return ERROR_SUCCESS
;
1565 static int compare_record( MSITABLEVIEW
*tv
, UINT row
, MSIRECORD
*rec
)
1567 UINT r
, i
, ivalue
, x
;
1569 for (i
= 0; i
< tv
->num_cols
; i
++ )
1571 if (!(tv
->columns
[i
].type
& MSITYPE_KEY
)) continue;
1573 r
= get_table_value_from_record( tv
, rec
, i
+ 1, &ivalue
);
1574 if (r
!= ERROR_SUCCESS
)
1577 r
= TABLE_fetch_int( &tv
->view
, row
, i
+ 1, &x
);
1578 if (r
!= ERROR_SUCCESS
)
1580 WARN("TABLE_fetch_int should not fail here %u\n", r
);
1587 else if (ivalue
== x
)
1589 if (i
< tv
->num_cols
- 1) continue;
1598 static int find_insert_index( MSITABLEVIEW
*tv
, MSIRECORD
*rec
)
1600 int idx
, c
, low
= 0, high
= tv
->table
->row_count
- 1;
1602 TRACE("%p %p\n", tv
, rec
);
1606 idx
= (low
+ high
) / 2;
1607 c
= compare_record( tv
, idx
, rec
);
1615 TRACE("found %u\n", idx
);
1619 TRACE("found %u\n", high
+ 1);
1623 static UINT
TABLE_insert_row( struct tagMSIVIEW
*view
, MSIRECORD
*rec
, UINT row
, BOOL temporary
)
1625 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1628 TRACE("%p %p %s\n", tv
, rec
, temporary
? "TRUE" : "FALSE" );
1630 /* check that the key is unique - can we find a matching row? */
1631 r
= table_validate_new( tv
, rec
, NULL
);
1632 if( r
!= ERROR_SUCCESS
)
1633 return ERROR_FUNCTION_FAILED
;
1636 row
= find_insert_index( tv
, rec
);
1638 r
= table_create_new_row( view
, &row
, temporary
);
1639 TRACE("insert_row returned %08x\n", r
);
1640 if( r
!= ERROR_SUCCESS
)
1643 /* shift the rows to make room for the new row */
1644 for (i
= tv
->table
->row_count
- 1; i
> row
; i
--)
1646 memmove(&(tv
->table
->data
[i
][0]),
1647 &(tv
->table
->data
[i
- 1][0]), tv
->row_size
);
1648 tv
->table
->data_persistent
[i
] = tv
->table
->data_persistent
[i
- 1];
1651 /* Re-set the persistence flag */
1652 tv
->table
->data_persistent
[row
] = !temporary
;
1653 return TABLE_set_row( view
, row
, rec
, (1<<tv
->num_cols
) - 1 );
1656 static UINT
TABLE_delete_row( struct tagMSIVIEW
*view
, UINT row
)
1658 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1659 UINT r
, num_rows
, num_cols
, i
;
1661 TRACE("%p %d\n", tv
, row
);
1664 return ERROR_INVALID_PARAMETER
;
1666 r
= TABLE_get_dimensions( view
, &num_rows
, &num_cols
);
1667 if ( r
!= ERROR_SUCCESS
)
1670 if ( row
>= num_rows
)
1671 return ERROR_FUNCTION_FAILED
;
1673 num_rows
= tv
->table
->row_count
;
1674 tv
->table
->row_count
--;
1676 /* reset the hash tables */
1677 for (i
= 0; i
< tv
->num_cols
; i
++)
1679 msi_free( tv
->columns
[i
].hash_table
);
1680 tv
->columns
[i
].hash_table
= NULL
;
1683 for (i
= row
+ 1; i
< num_rows
; i
++)
1685 memcpy(tv
->table
->data
[i
- 1], tv
->table
->data
[i
], tv
->row_size
);
1686 tv
->table
->data_persistent
[i
- 1] = tv
->table
->data_persistent
[i
];
1689 msi_free(tv
->table
->data
[num_rows
- 1]);
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
, NULL
);
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
, NULL
);
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
, NULL
);
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 /* Close the original record */
1757 MSI_CloseRecord(&rec
->hdr
);
1759 count
= MSI_RecordGetFieldCount(rec
);
1760 for (i
= 0; i
< count
; i
++)
1761 MSI_RecordCopyField(curr
, i
+ 1, rec
, i
+ 1);
1763 msiobj_release(&curr
->hdr
);
1764 return ERROR_SUCCESS
;
1767 static UINT
TABLE_modify( struct tagMSIVIEW
*view
, MSIMODIFY eModifyMode
,
1768 MSIRECORD
*rec
, UINT row
)
1770 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1771 UINT r
, frow
, column
;
1773 TRACE("%p %d %p\n", view
, eModifyMode
, rec
);
1775 switch (eModifyMode
)
1777 case MSIMODIFY_DELETE
:
1778 r
= modify_delete_row( view
, rec
);
1780 case MSIMODIFY_VALIDATE_NEW
:
1781 r
= table_validate_new( tv
, rec
, &column
);
1782 if (r
!= ERROR_SUCCESS
)
1784 tv
->view
.error
= MSIDBERROR_DUPLICATEKEY
;
1785 tv
->view
.error_column
= tv
->columns
[column
].colname
;
1786 r
= ERROR_INVALID_DATA
;
1790 case MSIMODIFY_INSERT
:
1791 r
= table_validate_new( tv
, rec
, NULL
);
1792 if (r
!= ERROR_SUCCESS
)
1794 r
= TABLE_insert_row( view
, rec
, -1, FALSE
);
1797 case MSIMODIFY_INSERT_TEMPORARY
:
1798 r
= table_validate_new( tv
, rec
, NULL
);
1799 if (r
!= ERROR_SUCCESS
)
1801 r
= TABLE_insert_row( view
, rec
, -1, TRUE
);
1804 case MSIMODIFY_REFRESH
:
1805 r
= msi_refresh_record( view
, rec
, row
);
1808 case MSIMODIFY_UPDATE
:
1809 r
= msi_table_update( view
, rec
, row
);
1812 case MSIMODIFY_ASSIGN
:
1813 r
= msi_table_assign( view
, rec
);
1816 case MSIMODIFY_MERGE
:
1817 /* check row that matches this record */
1818 r
= msi_table_find_row( tv
, rec
, &frow
, &column
);
1819 if (r
!= ERROR_SUCCESS
)
1821 r
= table_validate_new( tv
, rec
, NULL
);
1822 if (r
== ERROR_SUCCESS
)
1823 r
= TABLE_insert_row( view
, rec
, -1, FALSE
);
1827 case MSIMODIFY_REPLACE
:
1828 case MSIMODIFY_VALIDATE
:
1829 case MSIMODIFY_VALIDATE_FIELD
:
1830 case MSIMODIFY_VALIDATE_DELETE
:
1831 FIXME("%p %d %p - mode not implemented\n", view
, eModifyMode
, rec
);
1832 r
= ERROR_CALL_NOT_IMPLEMENTED
;
1836 r
= ERROR_INVALID_DATA
;
1842 static UINT
TABLE_delete( struct tagMSIVIEW
*view
)
1844 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1846 TRACE("%p\n", view
);
1853 return ERROR_SUCCESS
;
1856 static UINT
TABLE_find_matching_rows( struct tagMSIVIEW
*view
, UINT col
,
1857 UINT val
, UINT
*row
, MSIITERHANDLE
*handle
)
1859 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1860 const MSICOLUMNHASHENTRY
*entry
;
1862 TRACE("%p, %d, %u, %p\n", view
, col
, val
, *handle
);
1865 return ERROR_INVALID_PARAMETER
;
1867 if( (col
==0) || (col
> tv
->num_cols
) )
1868 return ERROR_INVALID_PARAMETER
;
1870 if( !tv
->columns
[col
-1].hash_table
)
1873 UINT num_rows
= tv
->table
->row_count
;
1874 MSICOLUMNHASHENTRY
**hash_table
;
1875 MSICOLUMNHASHENTRY
*new_entry
;
1877 if( tv
->columns
[col
-1].offset
>= tv
->row_size
)
1879 ERR("Stuffed up %d >= %d\n", tv
->columns
[col
-1].offset
, tv
->row_size
);
1880 ERR("%p %p\n", tv
, tv
->columns
);
1881 return ERROR_FUNCTION_FAILED
;
1884 /* allocate contiguous memory for the table and its entries so we
1885 * don't have to do an expensive cleanup */
1886 hash_table
= msi_alloc(MSITABLE_HASH_TABLE_SIZE
* sizeof(MSICOLUMNHASHENTRY
*) +
1887 num_rows
* sizeof(MSICOLUMNHASHENTRY
));
1889 return ERROR_OUTOFMEMORY
;
1891 memset(hash_table
, 0, MSITABLE_HASH_TABLE_SIZE
* sizeof(MSICOLUMNHASHENTRY
*));
1892 tv
->columns
[col
-1].hash_table
= hash_table
;
1894 new_entry
= (MSICOLUMNHASHENTRY
*)(hash_table
+ MSITABLE_HASH_TABLE_SIZE
);
1896 for (i
= 0; i
< num_rows
; i
++, new_entry
++)
1900 if (view
->ops
->fetch_int( view
, i
, col
, &row_value
) != ERROR_SUCCESS
)
1903 new_entry
->next
= NULL
;
1904 new_entry
->value
= row_value
;
1906 if (hash_table
[row_value
% MSITABLE_HASH_TABLE_SIZE
])
1908 MSICOLUMNHASHENTRY
*prev_entry
= hash_table
[row_value
% MSITABLE_HASH_TABLE_SIZE
];
1909 while (prev_entry
->next
)
1910 prev_entry
= prev_entry
->next
;
1911 prev_entry
->next
= new_entry
;
1914 hash_table
[row_value
% MSITABLE_HASH_TABLE_SIZE
] = new_entry
;
1919 entry
= tv
->columns
[col
-1].hash_table
[val
% MSITABLE_HASH_TABLE_SIZE
];
1921 entry
= (*handle
)->next
;
1923 while (entry
&& entry
->value
!= val
)
1924 entry
= entry
->next
;
1928 return ERROR_NO_MORE_ITEMS
;
1932 return ERROR_SUCCESS
;
1935 static UINT
TABLE_add_ref(struct tagMSIVIEW
*view
)
1937 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1940 TRACE("%p %d\n", view
, tv
->table
->ref_count
);
1942 for (i
= 0; i
< tv
->table
->col_count
; i
++)
1944 if (tv
->table
->colinfo
[i
].type
& MSITYPE_TEMPORARY
)
1945 InterlockedIncrement(&tv
->table
->colinfo
[i
].ref_count
);
1948 return InterlockedIncrement(&tv
->table
->ref_count
);
1951 static UINT
TABLE_remove_column(struct tagMSIVIEW
*view
, LPCWSTR table
, UINT number
)
1953 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1954 MSIRECORD
*rec
= NULL
;
1955 MSIVIEW
*columns
= NULL
;
1958 rec
= MSI_CreateRecord(2);
1960 return ERROR_OUTOFMEMORY
;
1962 MSI_RecordSetStringW(rec
, 1, table
);
1963 MSI_RecordSetInteger(rec
, 2, number
);
1965 r
= TABLE_CreateView(tv
->db
, szColumns
, &columns
);
1966 if (r
!= ERROR_SUCCESS
)
1969 r
= msi_table_find_row((MSITABLEVIEW
*)columns
, rec
, &row
, NULL
);
1970 if (r
!= ERROR_SUCCESS
)
1973 r
= TABLE_delete_row(columns
, row
);
1974 if (r
!= ERROR_SUCCESS
)
1977 msi_update_table_columns(tv
->db
, table
);
1980 msiobj_release(&rec
->hdr
);
1981 columns
->ops
->delete(columns
);
1985 static UINT
TABLE_release(struct tagMSIVIEW
*view
)
1987 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
1988 INT ref
= tv
->table
->ref_count
;
1991 TRACE("%p %d\n", view
, ref
);
1993 for (i
= 0; i
< tv
->table
->col_count
; i
++)
1995 if (tv
->table
->colinfo
[i
].type
& MSITYPE_TEMPORARY
)
1997 ref
= InterlockedDecrement(&tv
->table
->colinfo
[i
].ref_count
);
2000 r
= TABLE_remove_column(view
, tv
->table
->colinfo
[i
].tablename
,
2001 tv
->table
->colinfo
[i
].number
);
2002 if (r
!= ERROR_SUCCESS
)
2008 ref
= InterlockedDecrement(&tv
->table
->ref_count
);
2011 if (!tv
->table
->row_count
)
2013 list_remove(&tv
->table
->entry
);
2014 free_table(tv
->table
);
2022 static UINT
TABLE_add_column(struct tagMSIVIEW
*view
, LPCWSTR table
, UINT number
,
2023 LPCWSTR column
, UINT type
, BOOL hold
)
2025 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
2030 rec
= MSI_CreateRecord(4);
2032 return ERROR_OUTOFMEMORY
;
2034 MSI_RecordSetStringW(rec
, 1, table
);
2035 MSI_RecordSetInteger(rec
, 2, number
);
2036 MSI_RecordSetStringW(rec
, 3, column
);
2037 MSI_RecordSetInteger(rec
, 4, type
);
2039 r
= TABLE_insert_row(&tv
->view
, rec
, -1, FALSE
);
2040 if (r
!= ERROR_SUCCESS
)
2043 msi_update_table_columns(tv
->db
, table
);
2048 msitable
= find_cached_table(tv
->db
, table
);
2049 for (i
= 0; i
< msitable
->col_count
; i
++)
2051 if (!strcmpW( msitable
->colinfo
[i
].colname
, column
))
2053 InterlockedIncrement(&msitable
->colinfo
[i
].ref_count
);
2059 msiobj_release(&rec
->hdr
);
2063 static UINT
TABLE_drop(struct tagMSIVIEW
*view
)
2065 MSITABLEVIEW
*tv
= (MSITABLEVIEW
*)view
;
2066 MSIVIEW
*tables
= NULL
;
2067 MSIRECORD
*rec
= NULL
;
2071 TRACE("dropping table %s\n", debugstr_w(tv
->name
));
2073 for (i
= tv
->table
->col_count
- 1; i
>= 0; i
--)
2075 r
= TABLE_remove_column(view
, tv
->table
->colinfo
[i
].tablename
,
2076 tv
->table
->colinfo
[i
].number
);
2077 if (r
!= ERROR_SUCCESS
)
2081 rec
= MSI_CreateRecord(1);
2083 return ERROR_OUTOFMEMORY
;
2085 MSI_RecordSetStringW(rec
, 1, tv
->name
);
2087 r
= TABLE_CreateView(tv
->db
, szTables
, &tables
);
2088 if (r
!= ERROR_SUCCESS
)
2091 r
= msi_table_find_row((MSITABLEVIEW
*)tables
, rec
, &row
, NULL
);
2092 if (r
!= ERROR_SUCCESS
)
2095 r
= TABLE_delete_row(tables
, row
);
2096 if (r
!= ERROR_SUCCESS
)
2099 list_remove(&tv
->table
->entry
);
2100 free_table(tv
->table
);
2103 msiobj_release(&rec
->hdr
);
2104 tables
->ops
->delete(tables
);
2109 static const MSIVIEWOPS table_ops
=
2119 TABLE_get_dimensions
,
2120 TABLE_get_column_info
,
2123 TABLE_find_matching_rows
,
2127 TABLE_remove_column
,
2132 UINT
TABLE_CreateView( MSIDATABASE
*db
, LPCWSTR name
, MSIVIEW
**view
)
2137 TRACE("%p %s %p\n", db
, debugstr_w(name
), view
);
2139 if ( !strcmpW( name
, szStreams
) )
2140 return STREAMS_CreateView( db
, view
);
2141 else if ( !strcmpW( name
, szStorages
) )
2142 return STORAGES_CreateView( db
, view
);
2144 sz
= FIELD_OFFSET( MSITABLEVIEW
, name
[lstrlenW( name
) + 1] );
2145 tv
= msi_alloc_zero( sz
);
2147 return ERROR_FUNCTION_FAILED
;
2149 r
= get_table( db
, name
, &tv
->table
);
2150 if( r
!= ERROR_SUCCESS
)
2153 WARN("table not found\n");
2157 TRACE("table %p found with %d columns\n", tv
->table
, tv
->table
->col_count
);
2159 /* fill the structure */
2160 tv
->view
.ops
= &table_ops
;
2162 tv
->columns
= tv
->table
->colinfo
;
2163 tv
->num_cols
= tv
->table
->col_count
;
2164 tv
->row_size
= msi_table_get_row_size( db
, tv
->table
->colinfo
, tv
->table
->col_count
, LONG_STR_BYTES
);
2166 TRACE("%s one row is %d bytes\n", debugstr_w(name
), tv
->row_size
);
2168 *view
= (MSIVIEW
*) tv
;
2169 lstrcpyW( tv
->name
, name
);
2171 return ERROR_SUCCESS
;
2174 UINT
MSI_CommitTables( MSIDATABASE
*db
)
2176 UINT r
, bytes_per_strref
;
2178 MSITABLE
*table
= NULL
;
2182 r
= msi_save_string_table( db
->strings
, db
->storage
, &bytes_per_strref
);
2183 if( r
!= ERROR_SUCCESS
)
2185 WARN("failed to save string table r=%08x\n",r
);
2189 LIST_FOR_EACH_ENTRY( table
, &db
->tables
, MSITABLE
, entry
)
2191 r
= save_table( db
, table
, bytes_per_strref
);
2192 if( r
!= ERROR_SUCCESS
)
2194 WARN("failed to save table %s (r=%08x)\n",
2195 debugstr_w(table
->name
), r
);
2200 hr
= IStorage_Commit( db
->storage
, 0 );
2203 WARN("failed to commit changes 0x%08x\n", hr
);
2204 r
= ERROR_FUNCTION_FAILED
;
2209 MSICONDITION
MSI_DatabaseIsTablePersistent( MSIDATABASE
*db
, LPCWSTR table
)
2214 TRACE("%p %s\n", db
, debugstr_w(table
));
2217 return MSICONDITION_ERROR
;
2219 r
= get_table( db
, table
, &t
);
2220 if (r
!= ERROR_SUCCESS
)
2221 return MSICONDITION_NONE
;
2223 return t
->persistent
;
2226 static UINT
read_raw_int(const BYTE
*data
, UINT col
, UINT bytes
)
2230 for (i
= 0; i
< bytes
; i
++)
2231 ret
+= (data
[col
+ i
] << i
* 8);
2236 static UINT
msi_record_encoded_stream_name( const MSITABLEVIEW
*tv
, MSIRECORD
*rec
, LPWSTR
*pstname
)
2238 LPWSTR stname
= NULL
, sval
, p
;
2242 TRACE("%p %p\n", tv
, rec
);
2244 len
= lstrlenW( tv
->name
) + 1;
2245 stname
= msi_alloc( len
*sizeof(WCHAR
) );
2248 r
= ERROR_OUTOFMEMORY
;
2252 lstrcpyW( stname
, tv
->name
);
2254 for ( i
= 0; i
< tv
->num_cols
; i
++ )
2256 if ( tv
->columns
[i
].type
& MSITYPE_KEY
)
2258 sval
= msi_dup_record_field( rec
, i
+ 1 );
2261 r
= ERROR_OUTOFMEMORY
;
2265 len
+= lstrlenW( szDot
) + lstrlenW ( sval
);
2266 p
= msi_realloc ( stname
, len
*sizeof(WCHAR
) );
2269 r
= ERROR_OUTOFMEMORY
;
2275 lstrcatW( stname
, szDot
);
2276 lstrcatW( stname
, sval
);
2284 *pstname
= encode_streamname( FALSE
, stname
);
2287 return ERROR_SUCCESS
;
2290 msi_free ( stname
);
2295 static MSIRECORD
*msi_get_transform_record( const MSITABLEVIEW
*tv
, const string_table
*st
,
2297 const BYTE
*rawdata
, UINT bytes_per_strref
)
2299 UINT i
, val
, ofs
= 0;
2301 MSICOLUMNINFO
*columns
= tv
->columns
;
2304 mask
= rawdata
[0] | (rawdata
[1] << 8);
2307 rec
= MSI_CreateRecord( tv
->num_cols
);
2312 for( i
=0; i
<tv
->num_cols
; i
++ )
2314 if ( (mask
&1) && (i
>=(mask
>>8)) )
2316 /* all keys must be present */
2317 if ( (~mask
&1) && (~columns
[i
].type
& MSITYPE_KEY
) && ((1<<i
) & ~mask
) )
2320 if( MSITYPE_IS_BINARY(tv
->columns
[i
].type
) )
2323 IStream
*stm
= NULL
;
2326 ofs
+= bytes_per_column( tv
->db
, &columns
[i
], bytes_per_strref
);
2328 r
= msi_record_encoded_stream_name( tv
, rec
, &encname
);
2329 if ( r
!= ERROR_SUCCESS
)
2332 r
= IStorage_OpenStream( stg
, encname
, NULL
,
2333 STGM_READ
| STGM_SHARE_EXCLUSIVE
, 0, &stm
);
2334 if ( r
!= ERROR_SUCCESS
)
2336 msi_free( encname
);
2340 MSI_RecordSetStream( rec
, i
+1, stm
);
2341 TRACE(" field %d [%s]\n", i
+1, debugstr_w(encname
));
2342 msi_free( encname
);
2344 else if( columns
[i
].type
& MSITYPE_STRING
)
2349 val
= read_raw_int(rawdata
, ofs
, bytes_per_strref
);
2350 sval
= msi_string_lookup( st
, val
, &len
);
2351 msi_record_set_string( rec
, i
+1, sval
, len
);
2352 TRACE(" field %d [%s]\n", i
+1, debugstr_wn(sval
, len
));
2353 ofs
+= bytes_per_strref
;
2357 UINT n
= bytes_per_column( tv
->db
, &columns
[i
], bytes_per_strref
);
2361 val
= read_raw_int(rawdata
, ofs
, n
);
2363 MSI_RecordSetInteger( rec
, i
+1, val
-0x8000 );
2364 TRACE(" field %d [0x%04x]\n", i
+1, val
);
2367 val
= read_raw_int(rawdata
, ofs
, n
);
2369 MSI_RecordSetInteger( rec
, i
+1, val
^0x80000000 );
2370 TRACE(" field %d [0x%08x]\n", i
+1, val
);
2373 ERR("oops - unknown column width %d\n", n
);
2382 static void dump_record( MSIRECORD
*rec
)
2386 n
= MSI_RecordGetFieldCount( rec
);
2387 for( i
=1; i
<=n
; i
++ )
2392 if( MSI_RecordIsNull( rec
, i
) )
2393 TRACE("row -> []\n");
2394 else if( (sval
= msi_record_get_string( rec
, i
, &len
)) )
2395 TRACE("row -> [%s]\n", debugstr_wn(sval
, len
));
2397 TRACE("row -> [0x%08x]\n", MSI_RecordGetInteger( rec
, i
) );
2401 static void dump_table( const string_table
*st
, const USHORT
*rawdata
, UINT rawsize
)
2404 for (i
= 0; i
< rawsize
/ 2; i
++)
2407 const WCHAR
*sval
= msi_string_lookup( st
, rawdata
[i
], &len
);
2408 MESSAGE(" %04x %s\n", rawdata
[i
], debugstr_wn(sval
, len
) );
2412 static UINT
* msi_record_to_row( const MSITABLEVIEW
*tv
, MSIRECORD
*rec
)
2416 data
= msi_alloc( tv
->num_cols
*sizeof (UINT
) );
2417 for( i
=0; i
<tv
->num_cols
; i
++ )
2421 if ( ~tv
->columns
[i
].type
& MSITYPE_KEY
)
2424 /* turn the transform column value into a row value */
2425 if ( ( tv
->columns
[i
].type
& MSITYPE_STRING
) &&
2426 ! MSITYPE_IS_BINARY(tv
->columns
[i
].type
) )
2429 const WCHAR
*str
= msi_record_get_string( rec
, i
+1, &len
);
2432 r
= msi_string2id( tv
->db
->strings
, str
, len
, &data
[i
] );
2434 /* if there's no matching string in the string table,
2435 these keys can't match any record, so fail now. */
2436 if (r
!= ERROR_SUCCESS
)
2446 data
[i
] = MSI_RecordGetInteger( rec
, i
+1 );
2448 if (data
[i
] == MSI_NULL_INTEGER
)
2450 else if ((tv
->columns
[i
].type
&0xff) == 2)
2453 data
[i
] += 0x80000000;
2459 static UINT
msi_row_matches( MSITABLEVIEW
*tv
, UINT row
, const UINT
*data
, UINT
*column
)
2461 UINT i
, r
, x
, ret
= ERROR_FUNCTION_FAILED
;
2463 for( i
=0; i
<tv
->num_cols
; i
++ )
2465 if ( ~tv
->columns
[i
].type
& MSITYPE_KEY
)
2468 /* turn the transform column value into a row value */
2469 r
= TABLE_fetch_int( &tv
->view
, row
, i
+1, &x
);
2470 if ( r
!= ERROR_SUCCESS
)
2472 ERR("TABLE_fetch_int shouldn't fail here\n");
2476 /* if this key matches, move to the next column */
2479 ret
= ERROR_FUNCTION_FAILED
;
2482 if (column
) *column
= i
;
2483 ret
= ERROR_SUCCESS
;
2488 static UINT
msi_table_find_row( MSITABLEVIEW
*tv
, MSIRECORD
*rec
, UINT
*row
, UINT
*column
)
2490 UINT i
, r
= ERROR_FUNCTION_FAILED
, *data
;
2492 data
= msi_record_to_row( tv
, rec
);
2495 for( i
= 0; i
< tv
->table
->row_count
; i
++ )
2497 r
= msi_row_matches( tv
, i
, data
, column
);
2498 if( r
== ERROR_SUCCESS
)
2514 static UINT
msi_table_load_transform( MSIDATABASE
*db
, IStorage
*stg
,
2515 string_table
*st
, TRANSFORMDATA
*transform
,
2516 UINT bytes_per_strref
)
2518 BYTE
*rawdata
= NULL
;
2519 MSITABLEVIEW
*tv
= NULL
;
2520 UINT r
, n
, sz
, i
, mask
, num_cols
, colcol
= 0, rawsize
= 0;
2521 MSIRECORD
*rec
= NULL
;
2526 return ERROR_SUCCESS
;
2528 name
= transform
->name
;
2531 TRACE("%p %p %p %s\n", db
, stg
, st
, debugstr_w(name
) );
2533 /* read the transform data */
2534 read_stream_data( stg
, name
, TRUE
, &rawdata
, &rawsize
);
2537 TRACE("table %s empty\n", debugstr_w(name
) );
2538 return ERROR_INVALID_TABLE
;
2541 /* create a table view */
2542 r
= TABLE_CreateView( db
, name
, (MSIVIEW
**) &tv
);
2543 if( r
!= ERROR_SUCCESS
)
2546 r
= tv
->view
.ops
->execute( &tv
->view
, NULL
);
2547 if( r
!= ERROR_SUCCESS
)
2550 TRACE("name = %s columns = %u row_size = %u raw size = %u\n",
2551 debugstr_w(name
), tv
->num_cols
, tv
->row_size
, rawsize
);
2553 /* interpret the data */
2554 for (n
= 0; n
< rawsize
;)
2556 mask
= rawdata
[n
] | (rawdata
[n
+ 1] << 8);
2560 * if the low bit is set, columns are continuous and
2561 * the number of columns is specified in the high byte
2564 num_cols
= mask
>> 8;
2565 for (i
= 0; i
< num_cols
; i
++)
2567 if( (tv
->columns
[i
].type
& MSITYPE_STRING
) &&
2568 ! MSITYPE_IS_BINARY(tv
->columns
[i
].type
) )
2569 sz
+= bytes_per_strref
;
2571 sz
+= bytes_per_column( tv
->db
, &tv
->columns
[i
], bytes_per_strref
);
2577 * If the low bit is not set, mask is a bitmask.
2578 * Excepting for key fields, which are always present,
2579 * each bit indicates that a field is present in the transform record.
2581 * mask == 0 is a special case ... only the keys will be present
2582 * and it means that this row should be deleted.
2585 num_cols
= tv
->num_cols
;
2586 for (i
= 0; i
< num_cols
; i
++)
2588 if ((tv
->columns
[i
].type
& MSITYPE_KEY
) || ((1 << i
) & mask
))
2590 if ((tv
->columns
[i
].type
& MSITYPE_STRING
) &&
2591 !MSITYPE_IS_BINARY(tv
->columns
[i
].type
))
2592 sz
+= bytes_per_strref
;
2594 sz
+= bytes_per_column( tv
->db
, &tv
->columns
[i
], bytes_per_strref
);
2599 /* check we didn't run of the end of the table */
2600 if (n
+ sz
> rawsize
)
2603 dump_table( st
, (USHORT
*)rawdata
, rawsize
);
2607 rec
= msi_get_transform_record( tv
, st
, stg
, &rawdata
[n
], bytes_per_strref
);
2612 UINT number
= MSI_NULL_INTEGER
;
2615 if (!strcmpW( name
, szColumns
))
2617 MSI_RecordGetStringW( rec
, 1, table
, &sz
);
2618 number
= MSI_RecordGetInteger( rec
, 2 );
2621 * Native msi seems writes nul into the Number (2nd) column of
2622 * the _Columns table, only when the columns are from a new table
2624 if ( number
== MSI_NULL_INTEGER
)
2626 /* reset the column number on a new table */
2627 if (strcmpW( coltable
, table
))
2630 lstrcpyW( coltable
, table
);
2633 /* fix nul column numbers */
2634 MSI_RecordSetInteger( rec
, 2, ++colcol
);
2638 if (TRACE_ON(msidb
)) dump_record( rec
);
2640 r
= msi_table_find_row( tv
, rec
, &row
, NULL
);
2641 if (r
== ERROR_SUCCESS
)
2645 TRACE("deleting row [%d]:\n", row
);
2646 r
= TABLE_delete_row( &tv
->view
, row
);
2647 if (r
!= ERROR_SUCCESS
)
2648 WARN("failed to delete row %u\n", r
);
2652 TRACE("modifying full row [%d]:\n", row
);
2653 r
= TABLE_set_row( &tv
->view
, row
, rec
, (1 << tv
->num_cols
) - 1 );
2654 if (r
!= ERROR_SUCCESS
)
2655 WARN("failed to modify row %u\n", r
);
2659 TRACE("modifying masked row [%d]:\n", row
);
2660 r
= TABLE_set_row( &tv
->view
, row
, rec
, mask
);
2661 if (r
!= ERROR_SUCCESS
)
2662 WARN("failed to modify row %u\n", r
);
2667 TRACE("inserting row\n");
2668 r
= TABLE_insert_row( &tv
->view
, rec
, -1, FALSE
);
2669 if (r
!= ERROR_SUCCESS
)
2670 WARN("failed to insert row %u\n", r
);
2673 if (number
!= MSI_NULL_INTEGER
&& !strcmpW( name
, szColumns
))
2674 msi_update_table_columns( db
, table
);
2676 msiobj_release( &rec
->hdr
);
2683 /* no need to free the table, it's associated with the database */
2684 msi_free( rawdata
);
2686 tv
->view
.ops
->delete( &tv
->view
);
2688 return ERROR_SUCCESS
;
2692 * msi_table_apply_transform
2694 * Enumerate the table transforms in a transform storage and apply each one.
2696 UINT
msi_table_apply_transform( MSIDATABASE
*db
, IStorage
*stg
)
2698 struct list transforms
;
2699 IEnumSTATSTG
*stgenum
= NULL
;
2700 TRANSFORMDATA
*transform
;
2701 TRANSFORMDATA
*tables
= NULL
, *columns
= NULL
;
2704 string_table
*strings
;
2705 UINT ret
= ERROR_FUNCTION_FAILED
;
2706 UINT bytes_per_strref
;
2708 TRACE("%p %p\n", db
, stg
);
2710 strings
= msi_load_string_table( stg
, &bytes_per_strref
);
2714 r
= IStorage_EnumElements( stg
, 0, NULL
, 0, &stgenum
);
2718 list_init(&transforms
);
2722 MSITABLEVIEW
*tv
= NULL
;
2726 r
= IEnumSTATSTG_Next( stgenum
, 1, &stat
, &count
);
2727 if ( FAILED( r
) || !count
)
2730 decode_streamname( stat
.pwcsName
, name
);
2731 CoTaskMemFree( stat
.pwcsName
);
2732 if ( name
[0] != 0x4840 )
2735 if ( !strcmpW( name
+1, szStringPool
) ||
2736 !strcmpW( name
+1, szStringData
) )
2739 transform
= msi_alloc_zero( sizeof(TRANSFORMDATA
) );
2743 list_add_tail( &transforms
, &transform
->entry
);
2745 transform
->name
= strdupW( name
+ 1 );
2747 if ( !strcmpW( transform
->name
, szTables
) )
2749 else if (!strcmpW( transform
->name
, szColumns
) )
2750 columns
= transform
;
2752 TRACE("transform contains stream %s\n", debugstr_w(name
));
2754 /* load the table */
2755 r
= TABLE_CreateView( db
, transform
->name
, (MSIVIEW
**) &tv
);
2756 if( r
!= ERROR_SUCCESS
)
2759 r
= tv
->view
.ops
->execute( &tv
->view
, NULL
);
2760 if( r
!= ERROR_SUCCESS
)
2762 tv
->view
.ops
->delete( &tv
->view
);
2766 tv
->view
.ops
->delete( &tv
->view
);
2770 * Apply _Tables and _Columns transforms first so that
2771 * the table metadata is correct, and empty tables exist.
2773 ret
= msi_table_load_transform( db
, stg
, strings
, tables
, bytes_per_strref
);
2774 if (ret
!= ERROR_SUCCESS
&& ret
!= ERROR_INVALID_TABLE
)
2777 ret
= msi_table_load_transform( db
, stg
, strings
, columns
, bytes_per_strref
);
2778 if (ret
!= ERROR_SUCCESS
&& ret
!= ERROR_INVALID_TABLE
)
2781 ret
= ERROR_SUCCESS
;
2783 while ( !list_empty( &transforms
) )
2785 transform
= LIST_ENTRY( list_head( &transforms
), TRANSFORMDATA
, entry
);
2787 if ( strcmpW( transform
->name
, szColumns
) &&
2788 strcmpW( transform
->name
, szTables
) &&
2789 ret
== ERROR_SUCCESS
)
2791 ret
= msi_table_load_transform( db
, stg
, strings
, transform
, bytes_per_strref
);
2794 list_remove( &transform
->entry
);
2795 msi_free( transform
->name
);
2796 msi_free( transform
);
2799 if ( ret
== ERROR_SUCCESS
)
2800 append_storage_to_db( db
, stg
);
2804 IEnumSTATSTG_Release( stgenum
);
2806 msi_destroy_stringtable( strings
);