diff options
Diffstat (limited to 'src/parse.y')
| -rw-r--r-- | src/parse.y | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/parse.y b/src/parse.y index a5691cad4..617eb7303 100644 --- a/src/parse.y +++ b/src/parse.y @@ -1429,12 +1429,21 @@ expr(A) ::= expr(A) between_op(N) expr(X) AND expr(Y). [BETWEEN] { ** expr1 IN () ** expr1 NOT IN () ** - ** simplify to constants 0 (false) and 1 (true), respectively, - ** regardless of the value of expr1. + ** simplify to constants 0 (false) and 1 (true), respectively. + ** + ** Except, do not apply this optimization if expr1 contains a function + ** because that function might be an aggregate (we don't know yet whether + ** it is or not) and if it is an aggregate, that could change the meaning + ** of the whole query. */ - sqlite3ExprUnmapAndDelete(pParse, A); - A = sqlite3Expr(pParse->db, TK_STRING, N ? "true" : "false"); - if( A ) sqlite3ExprIdToTrueFalse(A); + Expr *pB = sqlite3Expr(pParse->db, TK_STRING, N ? "true" : "false"); + if( pB ) sqlite3ExprIdToTrueFalse(pB); + if( !ExprHasProperty(A, EP_HasFunc) ){ + sqlite3ExprUnmapAndDelete(pParse, A); + A = pB; + }else{ + A = sqlite3PExpr(pParse, N ? TK_OR : TK_AND, pB, A); + } }else{ Expr *pRHS = Y->a[0].pExpr; if( Y->nExpr==1 && sqlite3ExprIsConstant(pParse,pRHS) && A->op!=TK_VECTOR ){ |