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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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16
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 1.356 2006/09/02 13:58:07 drh Exp $
** $Id: main.c,v 1.357 2006/09/15 07:28:50 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -223,7 +223,7 @@ void sqlite3RollbackAll(sqlite3 *db){
*/
const char *sqlite3ErrStr(int rc){
const char *z;
switch( rc ){
switch( rc & 0xff ){
case SQLITE_ROW:
case SQLITE_DONE:
case SQLITE_OK: z = "not an error"; break;
@@ -763,7 +763,7 @@ int sqlite3_errcode(sqlite3 *db){
if( sqlite3SafetyCheck(db) ){
return SQLITE_MISUSE;
}
return db->errCode;
return db->errCode & db->errMask;
}
/*
@@ -841,6 +841,7 @@ static int openDatabase(
/* Allocate the sqlite data structure */
db = sqliteMalloc( sizeof(sqlite3) );
if( db==0 ) goto opendb_out;
db->errMask = 0xff;
db->priorNewRowid = 0;
db->magic = SQLITE_MAGIC_BUSY;
db->nDb = 2;
@@ -1011,6 +1012,7 @@ int sqlite3_reset(sqlite3_stmt *pStmt){
}else{
rc = sqlite3VdbeReset((Vdbe*)pStmt);
sqlite3VdbeMakeReady((Vdbe*)pStmt, -1, 0, 0, 0);
assert( (rc & (sqlite3_db_handle(pStmt)->errMask))==rc );
}
return rc;
}
@@ -1297,3 +1299,11 @@ int sqlite3_clear_bindings(sqlite3_stmt *pStmt){
int sqlite3_sleep(int ms){
return sqlite3OsSleep(ms);
}
/*
** Enable or disable the extended result codes.
*/
int sqlite3_extended_result_codes(sqlite3 *db, int onoff){
db->errMask = onoff ? 0xffffffff : 0xff;
return SQLITE_OK;
}