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dict_value and list_value truncated at 64kiB on MySQL #5

Qalthos opened this Issue Dec 2, 2013 · 0 comments


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Qalthos commented Dec 2, 2013

Under the hood of SQLAlchemy, PickleType is just LargeBlob, which under MySQL is mapped to BLOB. BLOB (in MYSQL) has a max size of 64kiB, rather than MEDIUM_BLOB or LONG_BLOB, which store larger amounts. In other words, it works, just not for very long.

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