Source code for airflow.providers.exasol.operators.exasol
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from __future__ import annotations
from typing import ClassVar, Sequence
from airflow.providers.common.sql.operators.sql import SQLExecuteQueryOperator
from airflow.providers.exasol.hooks.exasol import exasol_fetch_all_handler
[docs]class ExasolOperator(SQLExecuteQueryOperator):
"""
Executes sql code in a specific Exasol database.
:param sql: the SQL code to be executed as a single string, or
a list of str (sql statements), or a reference to a template file.
template references are recognized by str ending in '.sql'
:param exasol_conn_id: reference to a specific Exasol 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: (optional) name of the schema which overwrite defined one in connection
:param handler: (optional) handler to process the results of the query
"""
[docs] template_fields: Sequence[str] = ("sql", "exasol_conn_id")
[docs] template_ext: Sequence[str] = (".sql",)
[docs] template_fields_renderers: ClassVar[dict] = {"sql": "sql"}
[docs] conn_id_field = "exasol_conn_id"
def __init__(
self,
*,
exasol_conn_id: str = "exasol_default",
schema: str | None = None,
handler=exasol_fetch_all_handler,
**kwargs,
) -> None:
self.exasol_conn_id = exasol_conn_id
if schema is not None:
hook_params = kwargs.pop("hook_params", {})
kwargs["hook_params"] = {"schema": schema, **hook_params}
super().__init__(conn_id=exasol_conn_id, handler=handler, **kwargs)