bugfix cherry-pick to opensource release

2021-07-13 14:39:14 +08:00
parent 601c09e290
commit 1ec7b00f36
17 changed files with 35862 additions and 35825 deletions
--- a/src/sql/engine/expr/ob_expr_like.cpp
+++ b/src/sql/engine/expr/ob_expr_like.cpp
@ -760,6 +760,9 @@ int ObExprLike::like_varchar(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_d
      escape_val.assign_ptr("\\", 1);
    } else {
      escape_val = escape.get_string();
+      if (escape_val.empty()) {
+        escape_val.assign_ptr("\\", 1);
+      }
    }
    if (OB_SUCC(ret)) {
      if (do_optimization && like_id != OB_INVALID_ID && (!text_val.empty()) && (!pattern_val.empty())) {