[CP] when column default is , add plan fail

2022-05-10 15:50:28 +08:00
parent dfc537e23c
commit a8a604e10e
2 changed files with 8 additions and 1 deletions
--- a/src/sql/code_generator/ob_static_engine_expr_cg.cpp
+++ b/src/sql/code_generator/ob_static_engine_expr_cg.cpp
@ -701,6 +701,9 @@ int ObStaticEngineExprCG::alloc_const_frame(
        ObDatum* datum = reinterpret_cast<ObDatum*>(frame_mem + j * DATUM_EVAL_INFO_SIZE);
        datum->ptr_ = frame_mem + rt_expr->res_buf_off_;
        datum->from_obj(tmp_obj);
+        if (0 == datum->len_) {
+          datum->ptr_ = NULL;
+        }
      }
    }
    if (OB_SUCC(ret) && OB_FAIL(frame_ptrs.push_back(frame_mem))) {