[CP][BUGFIX] fix text substr len 0 error

2023-12-19 21:18:19 +00:00
parent 05e1caa093
commit ae8491eec7
3 changed files with 42 additions and 37 deletions
--- a/src/sql/engine/expr/ob_expr_lob_utils.cpp
+++ b/src/sql/engine/expr/ob_expr_lob_utils.cpp
@ -77,6 +77,10 @@ void ObTextStringDatumResult::set_result()
  res_datum_->set_string(buffer_, pos_);
 }

+void ObTextStringDatumResult::set_result_null()
+{
+  res_datum_->set_null();
+}

 int ObTextStringObObjResult::init(int64_t res_len, ObIAllocator *allocator)
 {