rafsun42 commented on code in PR #1236:
URL: https://github.com/apache/age/pull/1236#discussion_r1334753154
##########
src/backend/parser/cypher_expr.c:
##########
@@ -491,23 +491,120 @@ static Node *transform_AEXPR_OP(cypher_parsestate
*cpstate, A_Expr *a)
static Node *transform_AEXPR_IN(cypher_parsestate *cpstate, A_Expr *a)
{
- Oid func_in_oid;
- FuncExpr *result;
- List *args = NIL;
+ ParseState *pstate = (ParseState *)cpstate;
+ cypher_list *rexpr;
+ Node *result = NULL;
+ Node *lexpr;
+ List *rexprs;
+ List *rvars;
+ List *rnonvars;
+ bool useOr;
+ ListCell *l;
+
+ /* Check for null arguments in the list to return NULL*/
+ if (!is_ag_node(a->rexpr, cypher_list))
+ {
+ if (nodeTag(a->rexpr) == T_A_Const)
+ {
+ A_Const *r_a_const = (A_Const*)a->rexpr;
+ if (r_a_const->isnull == true)
+ {
+ return (Node *)makeConst(AGTYPEOID, -1, InvalidOid, -1,
(Datum)NULL, true, false);
+ }
+ }
- args = lappend(args, transform_cypher_expr_recurse(cpstate, a->rexpr));
- args = lappend(args, transform_cypher_expr_recurse(cpstate, a->lexpr));
+ ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("object of IN must be a list")));
+ }
- /* get the agtype_access_slice function */
- func_in_oid = get_ag_func_oid("agtype_in_operator", 2, AGTYPEOID,
- AGTYPEOID);
+ Assert(is_ag_node(a->rexpr, cypher_list));
+
+ // If the operator is <>, combine with AND not OR.
+ if (strcmp(strVal(linitial(a->name)), "<>") == 0)
+ useOr = false;
+ else
+ useOr = true;
+
+ lexpr = transform_cypher_expr_recurse(cpstate, a->lexpr);
+
+ rexprs = rvars = rnonvars = NIL;
+
+ rexpr = (cypher_list *)a->rexpr;
+
+ foreach(l, (List *) rexpr->elems)
+ {
+ Node *rexpr = transform_cypher_expr_recurse(cpstate, lfirst(l));
- result = makeFuncExpr(func_in_oid, AGTYPEOID, args, InvalidOid, InvalidOid,
- COERCE_EXPLICIT_CALL);
+ rexprs = lappend(rexprs, rexpr);
+ if (contain_vars_of_level(rexpr, 0))
+ rvars = lappend(rvars, rexpr);
Review Comment:
Here, as well.
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