Fix race condition when getting column keys of new table

pudo / dataset

Easy-to-use data handling for SQL data stores with support for implicit table creation, bulk loading, and transactions.

https://dataset.readthedocs.org/

MIT License

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Closed Frankkkkk closed 4 years ago

Frankkkkk commented 4 years ago

_columns_keys() sets _columns to {}, but _sync_table() empties _columns when table is empty.

This fixes #312

pudo commented 4 years ago

Wow that was stupid of me. Thanks for the fix!