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"
36 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
39 /* below is the query interface to a table */
41 typedef struct tagMSIINSERTVIEW
51 static UINT INSERT_fetch_int( struct tagMSIVIEW *view, UINT row, UINT col, UINT *val )
53 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
55 TRACE("%p %d %d %p\n", iv, row, col, val );
57 return ERROR_FUNCTION_FAILED;
61 * msi_query_merge_record
63 * Merge a value_list and a record to create a second record.
64 * Replace wildcard entries in the valuelist with values from the record
66 MSIRECORD *msi_query_merge_record( UINT fields, const column_info *vl, MSIRECORD *rec )
69 DWORD wildcard_count = 1, i;
71 merged = MSI_CreateRecord( fields );
72 for( i=1; i <= fields; i++ )
76 TRACE("Not enough elements in the list to insert\n");
79 switch( vl->val->type )
82 TRACE("field %d -> %s\n", i, debugstr_w(vl->val->u.sval));
83 MSI_RecordSetStringW( merged, i, vl->val->u.sval );
86 MSI_RecordSetInteger( merged, i, vl->val->u.ival );
91 MSI_RecordCopyField( rec, wildcard_count, merged, i );
95 ERR("Unknown expression type %d\n", vl->val->type);
102 msiobj_release( &merged->hdr );
106 /* checks to see if the column order specified in the INSERT query
107 * matches the column order of the table
109 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);
118 iv->table->ops->get_column_info(iv->table, i, &b, NULL, NULL);
120 res = lstrcmpW(a, b);
131 /* rearranges the data in the record to be inserted based on column order,
132 * and pads the record for any missing columns in the INSERT query
134 static UINT msi_arrange_record(MSIINSERTVIEW *iv, MSIRECORD **values)
137 UINT col_count, val_count;
142 r = iv->table->ops->get_dimensions(iv->table, NULL, &col_count);
143 if (r != ERROR_SUCCESS)
146 val_count = MSI_RecordGetFieldCount(*values);
148 /* check to see if the columns are arranged already
149 * to avoid unnecessary copying
151 if (col_count == val_count && msi_columns_in_order(iv, col_count))
152 return ERROR_SUCCESS;
154 padded = MSI_CreateRecord(col_count);
156 return ERROR_OUTOFMEMORY;
158 for (colidx = 1; colidx <= val_count; colidx++)
160 r = iv->sv->ops->get_column_info(iv->sv, colidx, &a, NULL, NULL);
161 if (r != ERROR_SUCCESS)
164 for (i = 1; i <= col_count; i++)
166 r = iv->table->ops->get_column_info(iv->table, i, &b, NULL, NULL);
167 if (r != ERROR_SUCCESS)
170 res = lstrcmpW(a, b);
175 MSI_RecordCopyField(*values, colidx, padded, i);
183 msiobj_release(&(*values)->hdr);
186 return ERROR_SUCCESS;
189 msiobj_release(&padded->hdr);
193 static BOOL row_has_null_primary_keys(MSIINSERTVIEW *iv, MSIRECORD *row)
195 UINT r, i, col_count, type;
197 r = iv->table->ops->get_dimensions( iv->table, NULL, &col_count );
198 if (r != ERROR_SUCCESS)
201 for (i = 1; i <= col_count; i++)
203 r = iv->table->ops->get_column_info(iv->table, i, NULL, &type, NULL);
204 if (r != ERROR_SUCCESS)
207 if (!(type & MSITYPE_KEY))
210 if (MSI_RecordIsNull(row, i))
217 static UINT INSERT_execute( struct tagMSIVIEW *view, MSIRECORD *record )
219 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
220 UINT r, row = -1, col_count = 0;
222 MSIRECORD *values = NULL;
224 TRACE("%p %p\n", iv, record );
228 return ERROR_FUNCTION_FAILED;
230 r = sv->ops->execute( sv, 0 );
231 TRACE("sv execute returned %x\n", r);
235 r = sv->ops->get_dimensions( sv, NULL, &col_count );
240 * Merge the wildcard values into the list of values provided
241 * in the query, and create a record containing both.
243 values = msi_query_merge_record( col_count, iv->vals, record );
247 r = msi_arrange_record( iv, &values );
248 if( r != ERROR_SUCCESS )
251 /* rows with NULL primary keys are inserted at the beginning of the table */
252 if( row_has_null_primary_keys( iv, values ) )
255 r = iv->table->ops->insert_row( iv->table, values, row, iv->bIsTemp );
259 msiobj_release( &values->hdr );
265 static UINT INSERT_close( struct tagMSIVIEW *view )
267 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
274 return ERROR_FUNCTION_FAILED;
276 return sv->ops->close( sv );
279 static UINT INSERT_get_dimensions( struct tagMSIVIEW *view, UINT *rows, UINT *cols )
281 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
284 TRACE("%p %p %p\n", iv, rows, cols );
288 return ERROR_FUNCTION_FAILED;
290 return sv->ops->get_dimensions( sv, rows, cols );
293 static UINT INSERT_get_column_info( struct tagMSIVIEW *view,
294 UINT n, LPWSTR *name, UINT *type, BOOL *temporary )
296 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
299 TRACE("%p %d %p %p %p\n", iv, n, name, type, temporary );
303 return ERROR_FUNCTION_FAILED;
305 return sv->ops->get_column_info( sv, n, name, type, temporary );
308 static UINT INSERT_modify( struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
310 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
312 TRACE("%p %d %p\n", iv, eModifyMode, rec );
314 return ERROR_FUNCTION_FAILED;
317 static UINT INSERT_delete( struct tagMSIVIEW *view )
319 MSIINSERTVIEW *iv = (MSIINSERTVIEW*)view;
326 sv->ops->delete( sv );
327 msiobj_release( &iv->db->hdr );
330 return ERROR_SUCCESS;
333 static UINT INSERT_find_matching_rows( struct tagMSIVIEW *view, UINT col,
334 UINT val, UINT *row, MSIITERHANDLE *handle )
336 TRACE("%p, %d, %u, %p\n", view, col, val, *handle);
338 return ERROR_FUNCTION_FAILED;
342 static const MSIVIEWOPS insert_ops =
352 INSERT_get_dimensions,
353 INSERT_get_column_info,
356 INSERT_find_matching_rows,
365 static UINT count_column_info( const column_info *ci )
368 for ( ; ci; ci = ci->next )
373 UINT INSERT_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR table,
374 column_info *columns, column_info *values, BOOL temp )
376 MSIINSERTVIEW *iv = NULL;
378 MSIVIEW *tv = NULL, *sv = NULL;
382 /* there should be one value for each column */
383 if ( count_column_info( columns ) != count_column_info(values) )
384 return ERROR_BAD_QUERY_SYNTAX;
386 r = TABLE_CreateView( db, table, &tv );
387 if( r != ERROR_SUCCESS )
390 r = SELECT_CreateView( db, &sv, tv, columns );
391 if( r != ERROR_SUCCESS )
394 tv->ops->delete( tv );
398 iv = msi_alloc_zero( sizeof *iv );
400 return ERROR_FUNCTION_FAILED;
402 /* fill the structure */
403 iv->view.ops = &insert_ops;
404 msiobj_addref( &db->hdr );
410 *view = (MSIVIEW*) iv;
412 return ERROR_SUCCESS;