Source code for airflow.providers.microsoft.azure.operators.adx
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"""This module contains Azure Data Explorer operators."""
from __future__ import annotations
from functools import cached_property
from typing import TYPE_CHECKING, Sequence
from deprecated.classic import deprecated
from airflow.configuration import conf
from airflow.exceptions import AirflowProviderDeprecationWarning
from airflow.models import BaseOperator
from airflow.providers.microsoft.azure.hooks.adx import AzureDataExplorerHook
if TYPE_CHECKING:
from azure.kusto.data._models import KustoResultTable
from airflow.utils.context import Context
[docs]class AzureDataExplorerQueryOperator(BaseOperator):
"""
Operator for querying Azure Data Explorer (Kusto).
:param query: KQL query to run (templated).
:param database: Database to run the query on (templated).
:param options: Optional query options. See:
https://docs.microsoft.com/en-us/azure/kusto/api/netfx/request-properties#list-of-clientrequestproperties
:param azure_data_explorer_conn_id: Reference to the
:ref:`Azure Data Explorer connection<howto/connection:adx>`.
"""
[docs] template_fields: Sequence[str] = ("query", "database")
[docs] template_ext: Sequence[str] = (".kql",)
def __init__(
self,
*,
query: str,
database: str,
options: dict | None = None,
azure_data_explorer_conn_id: str = "azure_data_explorer_default",
**kwargs,
) -> None:
super().__init__(**kwargs)
self.query = query
self.database = database
self.options = options
self.azure_data_explorer_conn_id = azure_data_explorer_conn_id
@cached_property
[docs] def hook(self) -> AzureDataExplorerHook:
"""Return new instance of AzureDataExplorerHook."""
return AzureDataExplorerHook(self.azure_data_explorer_conn_id)
@deprecated(reason="use `hook` property instead.", category=AirflowProviderDeprecationWarning)
[docs] def get_hook(self) -> AzureDataExplorerHook:
"""Return new instance of AzureDataExplorerHook."""
return self.hook
[docs] def execute(self, context: Context) -> KustoResultTable | str:
"""
Run KQL Query on Azure Data Explorer (Kusto).
Returns `PrimaryResult` of Query v2 HTTP response contents.
https://docs.microsoft.com/en-us/azure/kusto/api/rest/response2
"""
response = self.hook.run_query(self.query, self.database, self.options)
if conf.getboolean("core", "enable_xcom_pickling"):
return response.primary_results[0]
else:
return str(response.primary_results[0])