Fix to_date bug

2023-07-11 10:18:54 +00:00
parent d8a41b5cff
commit 781d80c9b4
1 changed files with 3 additions and 0 deletions
--- a/src/sql/resolver/expr/ob_raw_expr.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr.cpp
@ -810,6 +810,9 @@ int ObRawExpr::is_non_pure_sys_func_expr(bool &is_non_pure) const
        bool complete = true;
        if (OB_UNLIKELY(!value.is_string_type())) {
          // just pass, will report error when calc result type
+          if (value.is_null()) {
+            is_non_pure = true;
+          }
        } else if (OB_FAIL(ObTimeConverter::check_dfm_deterministic(value.get_string(),
                                                      value.get_collation_type(),
                                                      need_tz, complete))) {