database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00
Code Activity

Fix for bugs #77 and #80: Rework the LIMIT mechanism to be reentrant and to

Browse Source 
clean up the VDBE stack properly. (CVS 636)

FossilOrigin-Name: 9d5523107937e3700c76666fb058694babdd672c
This commit is contained in:
drh
2002-06-21 23:01:49 +00:00
parent 7aa128dbc5
commit d11d382c99
8 changed files with 218 additions and 189 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/sqliteInt.h
View File

@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.127 2002/06/20 11:36:50 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.128 2002/06/21 23:01:50 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
@@ -570,6 +570,12 @@ struct WhereInfo {
** a VIEW) we have to make a copy of the input string so that the nodes
** of the expression tree will have something to point to. zSelect is used
** to hold that copy.
**
** nLimit is set to -1 if there is no LIMIT clause. nOffset is set to 0.
** If there is a LIMIT clause, the parser sets nLimit to the value of the
** limit and nOffset to the value of the offset (or 0 if there is not
** offset). But later on, nLimit and nOffset become the memory locations
** in the VDBE that record the limit and offset counters.
*/
struct Select {
int isDistinct; /* True if the DISTINCT keyword is present */