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

The sqlite3ExprCompare() routine should always compare the same variables

Browse Source 
as equal to one another, regardless of whether or not QPSG is set.

FossilOrigin-Name: df95d5209a77c0302e08ea7b1f248646fb2a062ba5beca898678aee0a1d03a3a
This commit is contained in:
drh
2024-11-28 01:47:44 +00:00
parent bfb7f77a8c
commit 3ff6aa6e39
3 changed files with 16 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/expr.c
View File

@@ -6193,6 +6193,15 @@ static SQLITE_NOINLINE int exprCompareVariable(
int iVar;
sqlite3_value *pL, *pR = 0;
if( pExpr->op==TK_VARIABLE ){
assert( pVar->u.zToken!=0 );
assert( pExpr->u.zToken!=0 );
if( pVar->iColumn==pExpr->iColumn
&& strcmp(pVar->u.zToken,pExpr->u.zToken)==0
){
return 0;
}
}
if( (pParse->db->flags & SQLITE_EnableQPSG)!=0 ) return 2;
sqlite3ValueFromExpr(pParse->db, pExpr, SQLITE_UTF8, SQLITE_AFF_BLOB, &pR);
if( pR ){