mirror of https://github.com/jackc/pgx.git
832b4f9771
When a conn is going to execute a query, the first thing it does is to deallocate any invalidated prepared statements from the statement cache. However, the statements were removed from the cache regardless of whether the deallocation succeeded. This would cause subsequent calls of the same SQL to fail with "prepared statement already exists" error. This problem is easy to trigger by running a query with a context that is already canceled. This commit changes the deallocate invalidated cached statements logic so that the statements are only removed from the cache if the deallocation was successful on the server. https://github.com/jackc/pgx/issues/1847 |
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| lru_cache.go | ||
| stmtcache.go | ||
| unlimited_cache.go | ||