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Preset the legacy_file_format pragma to the value of the primary

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database so that a VACUUM will not unknowingly alter the setting.
Ticket #2804. (CVS 4574)

FossilOrigin-Name: f731fa6bb398d8af621af17dc0677dd0f715c4a7
This commit is contained in:
drh
2007-11-28 13:43:16 +00:00
parent ed05efbf7b
commit 4aa2bfe67d
5 changed files with 36 additions and 14 deletions
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10
src/prepare.c
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@@ -13,7 +13,7 @@
** interface, and routines that contribute to loading the database schema
** from disk.
**
** $Id: prepare.c,v 1.64 2007/11/14 06:48:48 danielk1977 Exp $
** $Id: prepare.c,v 1.65 2007/11/28 13:43:17 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -288,6 +288,14 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
return SQLITE_ERROR;
}
/* Ticket #2804: When we open a database in the newer file format,
** clear the legacy_file_format pragma flag so that a VACUUM will
** not downgrade the database and thus invalidate any descending
** indices that the user might have created.
*/
if( iDb==0 && meta[1]>=4 ){
db->flags &= ~SQLITE_LegacyFileFmt;
}
/* Read the schema information out of the schema tables
*/