B库下insert、upsert的用户变量与列名相同时，取用户变量优先级最高，与MySQL保持一致

2022-12-01 16:19:18 +08:00
parent f4f3dd08ac
commit c0ab0b37c1
4 changed files with 51 additions and 5 deletions
--- a/src/common/backend/parser/parse_expr.cpp
+++ b/src/common/backend/parser/parse_expr.cpp
@ -966,10 +966,15 @@ Node* transformColumnRef(ParseState* pstate, ColumnRef* cref)
        if (node == NULL) {
            node = hookresult;
        } else if (hookresult != NULL) {
-            ereport(ERROR,
-                (errcode(ERRCODE_AMBIGUOUS_COLUMN),
-                    errmsg("column reference \"%s\" is ambiguous", NameListToString(cref->fields)),
-                    parser_errposition(pstate, cref->location)));
+            if (IS_SUPPORT_RIGHT_REF(pstate->rightRefState)) {
+                node = hookresult;
+            } else {
+                ereport(ERROR,
+                    (errcode(ERRCODE_AMBIGUOUS_COLUMN),
+                        errmsg("column reference \"%s\" is ambiguous", NameListToString(cref->fields)),
+                        parser_errposition(pstate, cref->location)));
+            }
+
        }
    }