Source code for airflow.providers.vertica.hooks.vertica

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from __future__ import annotations

from vertica_python import connect

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


[docs]class VerticaHook(DbApiHook):
    """Interact with Vertica."""

[docs]    conn_name_attr = "vertica_conn_id"
[docs]    default_conn_name = "vertica_default"
[docs]    conn_type = "vertica"
[docs]    hook_name = "Vertica"
[docs]    supports_autocommit = True

[docs]    def get_conn(self) -> connect:
        """Return verticaql connection object."""
        conn = self.get_connection(self.vertica_conn_id)  # type: ignore
        conn_config = {
            "user": conn.login,
            "password": conn.password or "",
            "database": conn.schema,
            "host": conn.host or "localhost",
        }

        if not conn.port:
            conn_config["port"] = 5433
        else:
            conn_config["port"] = int(conn.port)

        bool_options = [
            "connection_load_balance",
            "binary_transfer",
            "disable_copy_local",
            "request_complex_types",
            "use_prepared_statements",
        ]
        std_options = [
            "session_label",
            "backup_server_node",
            "kerberos_host_name",
            "kerberos_service_name",
            "unicode_error",
            "workload",
            "ssl",
        ]
        conn_extra = conn.extra_dejson

        for bo in bool_options:
            if bo in conn_extra:
                conn_config[bo] = str(conn_extra[bo]).lower() in ["true", "on"]

        for so in std_options:
            if so in conn_extra:
                conn_config[so] = conn_extra[so]

        if "connection_timeout" in conn_extra:
            conn_config["connection_timeout"] = float(conn_extra["connection_timeout"])

        if "log_level" in conn_extra:
            import logging

            log_lvl = conn_extra["log_level"]
            conn_config["log_path"] = None
            if isinstance(log_lvl, str):
                log_lvl = log_lvl.lower()
                if log_lvl == "critical":
                    conn_config["log_level"] = logging.CRITICAL
                elif log_lvl == "error":
                    conn_config["log_level"] = logging.ERROR
                elif log_lvl == "warning":
                    conn_config["log_level"] = logging.WARNING
                elif log_lvl == "info":
                    conn_config["log_level"] = logging.INFO
                elif log_lvl == "debug":
                    conn_config["log_level"] = logging.DEBUG
                elif log_lvl == "notset":
                    conn_config["log_level"] = logging.NOTSET
            else:
                conn_config["log_level"] = int(conn_extra["log_level"])

        conn = connect(**conn_config)
        return conn