[XML] fix count() failed

2023-05-05 02:08:20 +00:00
parent bea9dc85bf
commit fe350b62e6
4 changed files with 12 additions and 8 deletions
--- a/src/sql/engine/expr/ob_expr_extract_value.cpp
+++ b/src/sql/engine/expr/ob_expr_extract_value.cpp
@ -70,6 +70,8 @@ int ObExprExtractValue::calc_result_typeN(ObExprResType &type,
    if (OB_SUCC(ret)) {
      type.set_type(ObVarcharType);
      type.set_collation_type(CS_TYPE_UTF8MB4_BIN);
+      // length == OB_MAX_ORACLE_VARCHAR_LENGTH is not supported by generated key, use OB_MAX_VARCHAR_LENGTH_KEY instead
+      type.set_length(OB_MAX_VARCHAR_LENGTH_KEY);
    }
  }
  return ret;