Add ER_UNKNOWN_PREPARED_STATEMENT_HANDLER to default_codes #205
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josevalim
approved these changes
Jul 21, 2025
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Thank you! |
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hi @wojtekmach @josevalim thank you for the fast review is there a release scheduled for this library? |
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We don’t have a set schedule, you can use the latest version as GitHub dependency in the meantime. |
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v0.8.0 is out, thank you again for the PR! |
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During a recent upgrade of our aurora mysql clusters, we started seeing all db connections erroring with
** (MyXQL.Error) (1243) Unknown prepared statement handler (11) given to mysql_stmt_precheck, because an online cluster upgrade cancels all prepared statements. The systems did not recover from that error until manually restartedAdding this to the enum list will allow us to configure
disconnect_on_error_codesto invalidate the connectionThis is similar to go-sql-driver/mysql#1555 (comment) for the go driver