Have you read the Contributing Guidelines on issues?

• I have read the Contributing Guidelines on issues.

Please confirm if bug report does NOT exists already ?

• I confirm there is no existing issue for this

Describe the problem

When a table field contains bit type execute sql "select * into outfile" will cause Instance crashed

Expected behavior

The program can export files normally

How To Reproduce

1. create table
   CREATE TABLE bit_test ( a int(11) DEFAULT 0, b bit(9) DEFAULT NULL );
2. insert data:
   INSERT INTO bit_test VALUES (1,B'1101100');
3. export data
   select * into outfile '/tmp/bit_test_tbl' from bit_test;
   then instance will crashed

Environment

centos 7 stonedb-5.7-dev

Are you interested in submitting a PR to solve the problem?

• Yes, I will!