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Retry on RedshiftSQLHook.get_conn #59017

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Merged
o-nikolas merged 1 commit into from
Dec 3, 2025
Merged

Retry on RedshiftSQLHook.get_conn #59017

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11 changes: 10 additions & 1 deletion providers/amazon/src/airflow/providers/amazon/aws/hooks/redshift_sql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,8 @@
from typing import TYPE_CHECKING

import redshift_connector
from redshift_connector import Connection as RedshiftConnection
import tenacity
from redshift_connector import Connection as RedshiftConnection, InterfaceError, OperationalError
from sqlalchemy import create_engine
from sqlalchemy.engine.url import URL

Expand Down Expand Up @@ -206,6 +207,14 @@ def get_table_primary_key(self, table: str, schema: str | None = "public") -> li
pk_columns = [row[0] for row in self.get_records(sql, (schema, table))]
return pk_columns or None

@tenacity.retry(
stop=tenacity.stop_after_attempt(5),
wait=tenacity.wait_exponential(max=20),
# OperationalError is thrown when the connection times out
# InterfaceError is thrown when the connection is refused
retry=tenacity.retry_if_exception_type((OperationalError, InterfaceError)),
reraise=True,
)
def get_conn(self) -> RedshiftConnection:
"""Get a ``redshift_connector.Connection`` object."""
conn_params = self._get_conn_params()
Expand Down