[FEAT MERGE]4_2_sql_feature

Co-authored-by: yinyj17 <yinyijun92@gmail.com>
Co-authored-by: xianyu-w <707512433@qq.com>
Co-authored-by: jingtaoye35 <1255153887@qq.com>

src/sql/optimizer/ob_log_err_log.cpp

@@ -155,4 +155,10 @@ int ObLogErrLog::inner_replace_op_exprs(
     LOG_WARN("failed to replace err log value exprs", K(ret));
   }
   return ret;
-}
+}
+
+int ObLogErrLog::is_my_fixed_expr(const ObRawExpr *expr, bool &is_fixed)
+{
+  is_fixed = ObOptimizerUtil::find_item(get_err_log_define().err_log_value_exprs_, expr);
+  return OB_SUCCESS;
+}