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from airflow.hooks.oracle_hook import OracleHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults
[docs]class OracleOperator(BaseOperator):
"""
Executes sql code in a specific Oracle database
:param sql: the sql code to be executed. Can receive a str representing a sql statement,
a list of str (sql statements), or reference to a template file.
Template reference are recognized by str ending in '.sql'
(templated)
:type sql: str or list[str]
:param oracle_conn_id: reference to a specific Oracle database
:type oracle_conn_id: str
:param parameters: (optional) the parameters to render the SQL query with.
:type parameters: mapping or iterable
:param autocommit: if True, each command is automatically committed.
(default value: False)
:type autocommit: bool
"""
[docs] template_fields = ('sql',)
[docs] template_ext = ('.sql',)
@apply_defaults
def __init__(
self, sql, oracle_conn_id='oracle_default', parameters=None,
autocommit=False, *args, **kwargs):
super(OracleOperator, self).__init__(*args, **kwargs)
self.oracle_conn_id = oracle_conn_id
self.sql = sql
self.autocommit = autocommit
self.parameters = parameters
[docs] def execute(self, context):
self.log.info('Executing: %s', self.sql)
hook = OracleHook(oracle_conn_id=self.oracle_conn_id)
hook.run(
self.sql,
autocommit=self.autocommit,
parameters=self.parameters)