Source code for airflow.providers.teradata.operators.teradata

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from __future__ import annotations

from typing import TYPE_CHECKING, ClassVar, Sequence

from airflow.models import BaseOperator
from airflow.providers.common.sql.operators.sql import SQLExecuteQueryOperator
from airflow.providers.teradata.hooks.teradata import TeradataHook

if TYPE_CHECKING:
    from airflow.utils.context import Context


[docs]class TeradataOperator(SQLExecuteQueryOperator): """ General Teradata Operator to execute queries on Teradata Database. Executes sql statements in the Teradata SQL Database using Teradata Python SQL Driver .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:TeradataOperator` :param sql: the SQL query to be executed as a single string, or a list of str (sql statements) :param teradata_conn_id: reference to a predefined database :param autocommit: if True, each command is automatically committed.(default value: False) :param parameters: (optional) the parameters to render the SQL query with. :param schema: The Teradata database to connect to. """
[docs] template_fields: Sequence[str] = ( "sql", "parameters", )
[docs] template_ext: Sequence[str] = (".sql",)
[docs] template_fields_renderers: ClassVar[dict] = {"sql": "sql"}
[docs] ui_color = "#e07c24"
def __init__( self, teradata_conn_id: str = TeradataHook.default_conn_name, schema: str | None = None, **kwargs, ) -> None: if schema: hook_params = kwargs.pop("hook_params", {}) kwargs["hook_params"] = { "database": schema, **hook_params, } super().__init__(**kwargs) self.conn_id = teradata_conn_id
[docs]class TeradataStoredProcedureOperator(BaseOperator): """ Executes stored procedure in a specific Teradata database. :param procedure: name of stored procedure to call (templated) :param teradata_conn_id: The :ref:`Teradata connection id <howto/connection:teradata>` reference to a specific Teradata database. :param parameters: (optional, templated) the parameters provided in the call """
[docs] template_fields: Sequence[str] = ( "procedure", "parameters", )
[docs] ui_color = "#ededed"
def __init__( self, *, procedure: str, teradata_conn_id: str = TeradataHook.default_conn_name, parameters: dict | list | None = None, **kwargs, ) -> None: super().__init__(**kwargs) self.teradata_conn_id = teradata_conn_id self.procedure = procedure self.parameters = parameters
[docs] def execute(self, context: Context): hook = TeradataHook(teradata_conn_id=self.teradata_conn_id) return hook.callproc(self.procedure, autocommit=True, parameters=self.parameters)

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