Source code for airflow.providers.apache.impala.hooks.impala

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#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

from typing import TYPE_CHECKING

from impala.dbapi import connect

from airflow.providers.common.sql.hooks.sql import DbApiHook

if TYPE_CHECKING:
    from impala.interface import Connection


[docs]class ImpalaHook(DbApiHook):
    """Interact with Apache Impala through impyla."""

[docs]    conn_name_attr = "impala_conn_id"
[docs]    default_conn_name = "impala_default"
[docs]    conn_type = "impala"
[docs]    hook_name = "Impala"

[docs]    def get_conn(self) -> Connection:
        conn_id: str = getattr(self, self.conn_name_attr)
        connection = self.get_connection(conn_id)
        return connect(
            host=connection.host,
            port=connection.port,
            user=connection.login,
            password=connection.password,
            database=connection.schema,
            **connection.extra_dejson,
        )