2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2004 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
26 #include "wine/debug.h"
27 #include "wine/unicode.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
40 /* below is the query interface to a table */
42 typedef struct tagMSIINSERTVIEW
52 static UINT INSERT_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
54 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
56 TRACE("%p %d %d %p\n", iv, row, col, val );
58 return ERROR_FUNCTION_FAILED;
62 * msi_query_merge_record
64 * Merge a value_list and a record to create a second record.
65 * Replace wildcard entries in the valuelist with values from the record
67 MSIRECORD *msi_query_merge_record( UINT fields, const column_info *vl, MSIRECORD *rec )
70 DWORD wildcard_count = 1, i;
72 merged = MSI_CreateRecord( fields );
73 for( i=1; i <= fields; i++ )
77 TRACE("Not enough elements in the list to insert\n");
80 switch( vl->val->type )
83 TRACE("field %d -> %s\n", i, debugstr_w(vl->val->u.sval));
84 MSI_RecordSetStringW( merged, i, vl->val->u.sval );
87 MSI_RecordSetInteger( merged, i, vl->val->u.ival );
92 MSI_RecordCopyField( rec, wildcard_count, merged, i );
96 ERR("Unknown expression type %d\n", vl->val->type);
103 msiobj_release( &merged->hdr );
107 /* checks to see if the column order specified in the INSERT query
108 * matches the column order of the table
110 static BOOL msi_columns_in_order(MSIINSERTVIEW *iv, UINT col_count)
115 for (i = 1; i <= col_count; i++)
117 iv->sv->ops->get_column_info(iv->sv, i, &a, NULL, NULL, NULL);
118 iv->table->ops->get_column_info(iv->table, i, &b, NULL, NULL, NULL);
120 if (strcmpW( a, b )) return FALSE;
125 /* rearranges the data in the record to be inserted based on column order,
126 * and pads the record for any missing columns in the INSERT query
128 static UINT msi_arrange_record(MSIINSERTVIEW *iv, MSIRECORD **values)
131 UINT col_count, val_count;
135 r = iv->table->ops->get_dimensions(iv->table, NULL, &col_count);
136 if (r != ERROR_SUCCESS)
139 val_count = MSI_RecordGetFieldCount(*values);
141 /* check to see if the columns are arranged already
142 * to avoid unnecessary copying
144 if (col_count == val_count && msi_columns_in_order(iv, col_count))
145 return ERROR_SUCCESS;
147 padded = MSI_CreateRecord(col_count);
149 return ERROR_OUTOFMEMORY;
151 for (colidx = 1; colidx <= val_count; colidx++)
153 r = iv->sv->ops->get_column_info(iv->sv, colidx, &a, NULL, NULL, NULL);
154 if (r != ERROR_SUCCESS)
157 for (i = 1; i <= col_count; i++)
159 r = iv->table->ops->get_column_info(iv->table, i, &b, NULL,
161 if (r != ERROR_SUCCESS)
164 if (!strcmpW( a, b ))
166 MSI_RecordCopyField(*values, colidx, padded, i);
171 msiobj_release(&(*values)->hdr);
173 return ERROR_SUCCESS;
176 msiobj_release(&padded->hdr);
180 static BOOL row_has_null_primary_keys(MSIINSERTVIEW *iv, MSIRECORD *row)
182 UINT r, i, col_count, type;
184 r = iv->table->ops->get_dimensions( iv->table, NULL, &col_count );
185 if (r != ERROR_SUCCESS)
188 for (i = 1; i <= col_count; i++)
190 r = iv->table->ops->get_column_info(iv->table, i, NULL, &type,
192 if (r != ERROR_SUCCESS)
195 if (!(type & MSITYPE_KEY))
198 if (MSI_RecordIsNull(row, i))
205 static UINT INSERT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
207 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
208 UINT r, row = -1, col_count = 0;
210 MSIRECORD *values = NULL;
212 TRACE("%p %p\n", iv, record );
216 return ERROR_FUNCTION_FAILED;
218 r = sv->ops->execute( sv, 0 );
219 TRACE("sv execute returned %x\n", r);
223 r = sv->ops->get_dimensions( sv, NULL, &col_count );
228 * Merge the wildcard values into the list of values provided
229 * in the query, and create a record containing both.
231 values = msi_query_merge_record( col_count, iv->vals, record );
235 r = msi_arrange_record( iv, &values );
236 if( r != ERROR_SUCCESS )
239 /* rows with NULL primary keys are inserted at the beginning of the table */
240 if( row_has_null_primary_keys( iv, values ) )
243 r = iv->table->ops->insert_row( iv->table, values, row, iv->bIsTemp );
247 msiobj_release( &values->hdr );
253 static UINT INSERT_close( struct tagMSIVIEW *view )
255 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
262 return ERROR_FUNCTION_FAILED;
264 return sv->ops->close( sv );
267 static UINT INSERT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
269 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
272 TRACE("%p %p %p\n", iv, rows, cols );
276 return ERROR_FUNCTION_FAILED;
278 return sv->ops->get_dimensions( sv, rows, cols );
281 static UINT INSERT_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
282 UINT *type, BOOL *temporary, LPCWSTR *table_name )
284 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
287 TRACE("%p %d %p %p %p %p\n", iv, n, name, type, temporary, table_name );
291 return ERROR_FUNCTION_FAILED;
293 return sv->ops->get_column_info( sv, n, name, type, temporary, table_name );
296 static UINT INSERT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
298 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
300 TRACE("%p %d %p\n", iv, eModifyMode, rec );
302 return ERROR_FUNCTION_FAILED;
305 static UINT INSERT_delete( struct tagMSIVIEW *view )
307 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
314 sv->ops->delete( sv );
315 msiobj_release( &iv->db->hdr );
318 return ERROR_SUCCESS;
321 static UINT INSERT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
322 UINT val, UINT *row, MSIITERHANDLE *handle )
324 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
326 return ERROR_FUNCTION_FAILED;
330 static const MSIVIEWOPS insert_ops =
340 INSERT_get_dimensions,
341 INSERT_get_column_info,
344 INSERT_find_matching_rows,
353 static UINT count_column_info( const column_info *ci )
356 for ( ; ci; ci = ci->next )
361 UINT INSERT_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR table,
362 column_info *columns, column_info *values, BOOL temp )
364 MSIINSERTVIEW *iv = NULL;
366 MSIVIEW *tv = NULL, *sv = NULL;
370 /* there should be one value for each column */
371 if ( count_column_info( columns ) != count_column_info(values) )
372 return ERROR_BAD_QUERY_SYNTAX;
374 r = TABLE_CreateView( db, table, &tv );
375 if( r != ERROR_SUCCESS )
378 r = SELECT_CreateView( db, &sv, tv, columns );
379 if( r != ERROR_SUCCESS )
382 tv->ops->delete( tv );
386 iv = msi_alloc_zero( sizeof *iv );
388 return ERROR_FUNCTION_FAILED;
390 /* fill the structure */
391 iv->view.ops = &insert_ops;
392 msiobj_addref( &db->hdr );
398 *view = (MSIVIEW*) iv;
400 return ERROR_SUCCESS;