Jdbc Postgresql Driver

| Parameter | Impact | Use Case | |-----------|--------|----------| | prepareThreshold | Statement preparation after N uses | High-repeat queries | | adaptiveFetch | Dynamic fetch size adjustment | Memory-constrained apps | | reWriteBatchedInserts | Rewrites INSERT batches | Bulk insert optimization | | autosave | Automatic savepoint management | Partial rollback recovery |

# Driver-level logging driverLogLevel=DEBUG loggerLevel=com.impossibl.postgres.jdbc=TRACE jdbc postgresql driver

try // SQL operation catch (PSQLException e) ServerErrorMessage msg = e.getServerErrorMessage(); switch (msg.getSQLState()) case "40001": // Serialization failure // Retry logic break; case "23505": // Unique violation // Conflict resolution break; case "57014": // Query cancelled // Timeout handling break; | Parameter | Impact | Use Case |