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RogerMarsh / chesstab

Database for chess games
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Export PGN file from a Symas LMDB database always fails #1

Open RogerMarsh opened 9 months ago

RogerMarsh commented 9 months ago

Any export action, such as 'Database | Export | games | PGN' from the menubar, leads to a dialogue reporting an exception followed by application shutdown.

Symas LMDB is the only database engine affected by the problem.

RogerMarsh commented 9 months ago

When introducing support for Symas LMDB I forgot to wrap the exports in read-only transactions.