Source code for airflow.contrib.operators.snowflake_operator

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from airflow.contrib.hooks.snowflake_hook import SnowflakeHook
from airflow.models import BaseOperator
from airflow.utils.decorators import apply_defaults

[docs]class SnowflakeOperator(BaseOperator): """ Executes sql code in a Snowflake database :param snowflake_conn_id: reference to specific snowflake connection id :type snowflake_conn_id: string :param sql: the sql code to be executed. (templated) :type sql: 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' :param warehouse: name of warehouse which overwrite defined one in connection :type warehouse: string :param database: name of database which overwrite defined one in connection :type database: string """ template_fields = ('sql',) template_ext = ('.sql',) ui_color = '#ededed' @apply_defaults def __init__( self, sql, snowflake_conn_id='snowflake_default', parameters=None, autocommit=True, warehouse=None, database=None, *args, **kwargs): super(SnowflakeOperator, self).__init__(*args, **kwargs) self.snowflake_conn_id = snowflake_conn_id self.sql = sql self.autocommit = autocommit self.parameters = parameters self.warehouse = warehouse self.database = database def get_hook(self): return SnowflakeHook(snowflake_conn_id=self.snowflake_conn_id, warehouse=self.warehouse, database=self.database)
[docs] def execute(self, context):'Executing: %s', self.sql) hook = self.get_hook() self.sql, autocommit=self.autocommit, parameters=self.parameters)