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SQL Drivers

Overview

SQL drivers can be used to make SQL queries and load table schemas. They are used by the SqlLoader to process data. All loaders implement the following methods:

  • execute_query() executes a query and returns RowResults.
  • execute_query_row() executes a query and returns a raw result from SQL.
  • get_table_schema() returns a table schema.

Info

More database-specific SQL drivers are coming soon.

SqlDriver

This is a basic SQL loader based on SQLAlchemy 1.x. Here is an example of how to use it:

from griptape.drivers import SqlDriver

driver = SqlDriver(
    engine_url="sqlite:///:memory:"
)

driver.execute_query("select 'foo', 'bar';")

AmazonRedshiftSqlDriver

Info

This driver requires the drivers-sql-redshift extra.

This is a SQL driver for interacting with the Amazon Redshift Data API to execute statements. Here is an example of how to use it for Redshift Serverless:

import boto3
import os
from griptape.drivers import AmazonRedshiftSqlDriver

session = boto3.Session()

driver = AmazonRedshiftSqlDriver(
    database=os.environ["REDSHIFT_DATABASE"],
    session=session,
    cluster_identifier=os.environ['REDSHIFT_CLUSTER_IDENTIFIER'],
)

driver.execute_query("select * from people;")

SnowflakeSqlDriver

Info

This driver requires the drivers-sql-snowflake extra.

This is a SQL driver based on the Snowflake SQLAlchemy Toolkit which runs on top of the Snowflake Connector for Python. Here is an example of how to use it:

import os
import snowflake.connector
from snowflake.connector import SnowflakeConnection
from griptape.drivers import SnowflakeSqlDriver

def get_snowflake_connection() -> SnowflakeConnection:
    return snowflake.connector.connect(
        account=os.environ['SNOWFLAKE_ACCOUNT'],
        user=os.environ['SNOWFLAKE_USER'],
        password=os.environ['SNOWFLAKE_PASSWORD'],
        database=os.environ['SNOWFLAKE_DATABASE'],
        schema=os.environ['SNOWFLAKE_SCHEMA'],
        warehouse=os.environ['SNOWFLAKE_WAREHOUSE']
    )

driver = SnowflakeSqlDriver(connection_func=get_snowflake_connection)

driver.execute_query("select * from people;")