[FEAT MERGE] implement dynamic sampling

2023-04-27 12:15:28 +00:00
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
--- a/src/sql/rewrite/ob_transform_simplify_expr.cpp
+++ b/src/sql/rewrite/ob_transform_simplify_expr.cpp
@ -832,6 +832,10 @@ int ObTransformSimplifyExpr::do_check_like_condition(ObRawExpr *&expr,
        }
      }
      if (OB_SUCC(ret)) {
+        if (text_expr->get_expr_type() == T_FUN_SYS_CAST &&
+            text_expr->has_flag(IS_INNER_ADDED_EXPR)) {//avoid reconstuct sql is wrong.
+          text_expr->clear_flag(IS_INNER_ADDED_EXPR);
+        }
        if (OB_FAIL(ObRawExprUtils::create_equal_expr(*ctx_->expr_factory_,
                                                      ctx_->session_info_,
                                                      pattern_expr,