pankajkoti commented on code in PR #48507:
URL: https://github.com/apache/airflow/pull/48507#discussion_r2025316015
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providers/databricks/src/airflow/providers/databricks/operators/databricks.py:
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@@ -969,6 +978,183 @@ def on_kill(self) -> None:
self.log.error("Error: Task: %s with invalid run_id was requested
to be cancelled.", self.task_id)
+class DatabricksSQLStatementsOperator(BaseOperator):
+ """
+ Submits a Databricks SQL Statement to Databricks using the
api/2.0/sql/statements/ API endpoint.
+
+ See: https://docs.databricks.com/api/workspace/statementexecution
+
+ .. seealso::
+ For more information on how to use this operator, take a look at the
guide:
+ :ref:`howto/operator:DatabricksSQLStatementsOperator`
+
+ :param statement: The SQL statement to execute. The statement can
optionally be parameterized, see parameters.
+ :param warehouse_id: Warehouse upon which to execute a statement.
+ :param catalog: Sets default catalog for statement execution, similar to
USE CATALOG in SQL.
+ :param schema: Sets default schema for statement execution, similar to USE
SCHEMA in SQL.
+ :param parameters: A list of parameters to pass into a SQL statement
containing parameter markers.
+
+ .. seealso::
+
https://docs.databricks.com/api/workspace/statementexecution/executestatement#parameters
+ :param wait_for_termination: if we should wait for termination of the
statement execution. ``True`` by default.
+ :param databricks_conn_id: Reference to the :ref:`Databricks connection
<howto/connection:databricks>`.
+ By default and in the common case this will be ``databricks_default``.
To use
+ token based authentication, provide the key ``token`` in the extra
field for the
+ connection and create the key ``host`` and leave the ``host`` field
empty. (templated)
+ :param polling_period_seconds: Controls the rate which we poll for the
result of
+ this statement. By default the operator will poll every 30 seconds.
+ :param databricks_retry_limit: Amount of times retry if the Databricks
backend is
+ unreachable. Its value must be greater than or equal to 1.
+ :param databricks_retry_delay: Number of seconds to wait between retries
(it
+ might be a floating point number).
+ :param databricks_retry_args: An optional dictionary with arguments passed
to ``tenacity.Retrying`` class.
+ :param do_xcom_push: Whether we should push statement_id to xcom.
+ :param deferrable: Run operator in the deferrable mode.
+ """
+
+ # Used in airflow.models.BaseOperator
+ template_fields: Sequence[str] = ("databricks_conn_id",)
+ template_ext: Sequence[str] = (".json-tpl",)
+ # Databricks brand color (blue) under white text
+ ui_color = "#1CB1C2"
+ ui_fgcolor = "#fff"
+
+ def __init__(
+ self,
+ statement: str,
+ warehouse_id: str,
+ *,
+ catalog: str | None = None,
+ schema: str | None = None,
+ parameters: list[dict[str, Any]] | None = None,
+ databricks_conn_id: str = "databricks_default",
+ polling_period_seconds: int = 30,
+ databricks_retry_limit: int = 3,
+ databricks_retry_delay: int = 1,
+ databricks_retry_args: dict[Any, Any] | None = None,
+ do_xcom_push: bool = True,
+ wait_for_termination: bool = True,
+ deferrable: bool = conf.getboolean("operators", "default_deferrable",
fallback=False),
+ **kwargs,
+ ) -> None:
+ """Create a new ``DatabricksSubmitRunOperator``."""
+ super().__init__(**kwargs)
+ self.statement = statement
+ self.warehouse_id = warehouse_id
+ self.catalog = catalog
+ self.schema = schema
+ self.parameters = parameters
+ self.databricks_conn_id = databricks_conn_id
+ self.polling_period_seconds = polling_period_seconds
+ self.databricks_retry_limit = databricks_retry_limit
+ self.databricks_retry_delay = databricks_retry_delay
+ self.databricks_retry_args = databricks_retry_args
+ self.wait_for_termination = wait_for_termination
+ self.deferrable = deferrable
+
+ # This variable will be used in case our task gets killed.
Review Comment:
The comment does not intend to talk about all "these" variables, but just
"this" particular variable self.statement_id. To make it clearer, I added
another blank line after the variable(we already have had a blank line
separator before this variable & the comment) to further differentiate.
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