Imports
- github.com/pingcap/errors
- github.com/pingcap/parser/ast
- github.com/pingcap/parser/auth
- github.com/pingcap/parser/charset
- github.com/pingcap/parser/model
- github.com/pingcap/parser/mysql
- github.com/pingcap/parser/opcode
- github.com/pingcap/parser/terror
- github.com/pingcap/parser/types
- github.com/pingcap/tidb/util/hack