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AI-generatedto_sql append mode and write idempotency limits
Handling Duplicate Rows During Retries The to_sql method in pandas provides the if_exists='append' parameter to add data to an existing database table. However, this mode performs standard SQL inserts without native support for "upsert" or "insert ignore" logic. When a network timeout or database interruption occurs during a large write operation, retrying t
pandas
sqlalchemy