victorphoenix3 commented on a change in pull request #21551:
URL: https://github.com/apache/airflow/pull/21551#discussion_r815292841
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File path: airflow/providers/postgres/operators/postgres.py
##########
@@ -60,10 +63,28 @@ def __init__(
self.autocommit = autocommit
self.parameters = parameters
self.database = database
+ self.runtime_parameters = runtime_parameters
self.hook: Optional[PostgresHook] = None
def execute(self, context: 'Context'):
self.hook = PostgresHook(postgres_conn_id=self.postgres_conn_id,
schema=self.database)
- self.hook.run(self.sql, self.autocommit, parameters=self.parameters)
+ if self.runtime_parameters:
+ final_sql = []
+ sql_param = {}
+ for param in self.runtime_parameters:
+ set_param_sql = f"SET {{}} TO %({param})s;"
+ dynamic_sql = SQL(set_param_sql).format(Identifier(f"{param}"))
+ final_sql.append(dynamic_sql)
+ for param, val in self.runtime_parameters.items():
+ sql_param.update({f"{param}": f"{val}"})
+ if self.parameters:
+ sql_param.update(self.parameters)
+ if isinstance(self.sql, str):
+ final_sql.append(SQL(self.sql))
+ else:
+ final_sql.extend(list(map(SQL, self.sql)))
+ self.hook.run(final_sql, self.autocommit, parameters=sql_param)
+ else:
+ self.hook.run(self.sql, self.autocommit,
parameters=self.parameters)
Review comment:
This will execute when no server config parameters are passed by the
user. In this case, `parameters` will only contain the parameters of the
original sql query, like `begin date`, `end date` for the following example:
`"SELECT * FROM pet WHERE birth_date BETWEEN SYMMETRIC %(begin_date)s AND
%(end_date)s"
`
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