expr repeat/space/lrpad opt for text type

2023-06-13 02:12:20 +00:00
parent 48544979bf
commit 05295dd0f6
7 changed files with 149 additions and 36 deletions
--- a/src/sql/engine/expr/ob_expr_repeat.cpp
+++ b/src/sql/engine/expr/ob_expr_repeat.cpp
@ -46,7 +46,9 @@ int ObExprRepeat::calc_result_type2(ObExprResType &type,
                                    ObExprTypeCtx &type_ctx) const
 {
  int ret = OB_SUCCESS;
-  text.set_calc_type(common::ObVarcharType);
+  if (!text.is_string_type()) {
+    text.set_calc_type(common::ObVarcharType);
+  }
  count.set_calc_type(common::ObIntType);
  // Set cast mode for %count parameter, truncate string to integer.
  type_ctx.set_cast_mode(type_ctx.get_cast_mode() | CM_STRING_INTEGER_TRUNC);