Parse NULL-bitmask in table map event #361
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[Fields in table map event](https://dev.mysql.com/doc/internals/en/table-map-event.html) [buffer layout for table map event](https://github.com/mysql/mysql-server/blob/beb865a960b9a8a16cf999c323e46c5b0c67f21f/libbinlogevents/include/rows_event.h#L633-L639) [null bitmask in mysql-server](https://github.com/mysql/mysql-server/blob/beb865a960b9a8a16cf999c323e46c5b0c67f21f/libbinlogevents/src/rows_event.cpp#L93)
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I will ship a new release with your work. Thanks a lot |
| self.assertEqual(event.catalog_nz_code, b'std') | ||
| self.assertEqual(event.mts_accessed_db_names, [b'pymysqlreplication_test']) | ||
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| def test_null_bitmask(self) |
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def test_null_bitmask(self):
| for i in range(16): | ||
| values.append('0') | ||
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| insert_query += f' ({",".join(values)})') |
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insert_query += f' ({",".join(values)})'
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Thank you for the comment. 👍👍
I will have these fixed in a separate PR.
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This PR adds null-bitmask attribute to table map event.
The attribute is a bit mask where (i - 1) th bit is set if i th column is nullable.
Added and passed relevant tests.
This feature is suggested in the following comments:
https://github.com/noplay/python-mysql-replication/blob/f70f05bc143bbf50dad5461dcb3a2a47a7f67202/pymysqlreplication/row_event.py#L651-L652
References
MySQL Documentation
mysql-server source code