[CP] [CP] [CP] fix some bugs

2023-07-11 13:42:28 +00:00
parent 18c3958dbe
commit a73393f0e7
4 changed files with 24 additions and 14 deletions
--- a/src/sql/engine/expr/ob_expr_to_outfile_row.cpp
+++ b/src/sql/engine/expr/ob_expr_to_outfile_row.cpp
@ -244,7 +244,7 @@ int ObExprToOutfileRow::print_field(char *buf, const int64_t buf_len, int64_t &p
  int ret = OB_SUCCESS;
  int64_t tmp_pos = 0;
  const bool need_enclose = 0 != out_info.wchar_enclose_ &&
-                            (!out_info.is_optional_ || obj.is_string_type());
+                            (!out_info.is_optional_ || obj.is_string_type()) && !obj.is_null();
  if (need_enclose) {
    OZ(out_info.enclose_.print_plain_str_literal(buf, buf_len, pos, out_info.print_params_));
  }