GetBytesRows get bytes rows, varchar, varbinary, text, json, etc.

GetFixedRows get fixed rows, int, float, etc.

GetStringRows get bytes rows, varchar, varbinary, text, json, etc.

NewMemExecutor used to testing.

NewResult create result.

MemResult used to test.

Options execute options.

Result exec sql result.

SQLExecutor is used to execute internal sql.

TxnExecutor exec all sql in a transaction.