Fix hash union distinct mark wrong is_block_input

2023-03-02 15:46:54 +00:00
parent ddd47ae67f
commit b0e1f8141e
1 changed files with 1 additions and 1 deletions
--- a/src/sql/optimizer/ob_log_set.h
+++ b/src/sql/optimizer/ob_log_set.h
@ -60,7 +60,7 @@ public:
  //hash set 全部都是从left 建立hash表，0号孩子是block input
  virtual bool is_block_input(const int64_t child_idx) const override 
  {
-    return HASH_SET == set_algo_ && 0 == child_idx;
+    return HASH_SET == set_algo_ && 0 == child_idx && ObSelectStmt::UNION != get_set_op();
  }
  inline void assign_set_op(const ObSelectStmt::SetOperator set_op) { set_op_ = set_op; }
  inline ObSelectStmt::SetOperator get_set_op() const { return set_op_; }