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Add support for extended result codes - additional result information

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carried in the higher bits of the integer return codes.  This must be
enabled using the sqlite3_extended_result_code() API.  Only a few extra
result codes are currently defined. (CVS 3422)

FossilOrigin-Name: ba579ddc4361fc6e8ea66f9385770d70dfe94751
This commit is contained in:
drh
2006-09-15 07:28:50 +00:00
parent 8abc58e33b
commit 4ac285a1c2
19 changed files with 172 additions and 78 deletions
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13
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.271 2006/08/08 13:51:43 drh Exp $
** @(#) $Id: pager.c,v 1.272 2006/09/15 07:28:50 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -476,12 +476,13 @@ static u32 retrieve32bits(PgHdr *p, int offset){
** will immediately return the same error code.
*/
static int pager_error(Pager *pPager, int rc){
int rc2 = rc & 0xff;
assert( pPager->errCode==SQLITE_FULL || pPager->errCode==SQLITE_OK );
if(
rc==SQLITE_FULL ||
rc==SQLITE_IOERR ||
rc==SQLITE_CORRUPT ||
rc==SQLITE_PROTOCOL
rc2==SQLITE_FULL ||
rc2==SQLITE_IOERR ||
rc2==SQLITE_CORRUPT ||
rc2==SQLITE_PROTOCOL
){
pPager->errCode = rc;
}
@@ -2578,7 +2579,7 @@ int sqlite3pager_release_memory(int nReq){
** The error will be returned to the user (or users, in the case
** of a shared pager cache) of the pager for which the error occured.
*/
assert( rc==SQLITE_IOERR || rc==SQLITE_FULL );
assert( (rc&0xff)==SQLITE_IOERR || rc==SQLITE_FULL );
assert( p->state>=PAGER_RESERVED );
pager_error(p, rc);
}