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Support for a future file format that includes 'short' records. (CVS 2351)

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FossilOrigin-Name: 173aeb256e2c09098a4392874f8623e8a760d951
This commit is contained in:
danielk1977
2005-02-19 08:18:05 +00:00
parent 25d39a83ac
commit 36963fdca8
8 changed files with 374 additions and 47 deletions
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17
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.280 2005/02/06 02:45:42 drh Exp $
** $Id: main.c,v 1.281 2005/02/19 08:18:06 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -257,12 +257,23 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
/* This happens if the database was initially empty */
db->file_format = 1;
}
if( db->file_format==2 ){
/* File format 2 is treated exactly as file format 1. New
** databases are created with file format 1.
*/
db->file_format = 1;
}
}
/*
** file_format==1 Version 3.0.0.
** file_format==1 Version 3.0.0.
** file_format==2 Version 3.1.3.
**
** Version 3.0 can only use files with file_format==1. Version 3.1.3
** can read and write files with file_format==1 or file_format==2.
*/
if( meta[1]>1 ){
if( meta[1]>2 ){
sqlite3BtreeCloseCursor(curMain);
sqlite3SetString(pzErrMsg, "unsupported file format", (char*)0);
return SQLITE_ERROR;