Source code for

"""Tool for the Dataherald Hosted API"""

from typing import Optional, Type

from langchain_core.callbacks import CallbackManagerForToolRun
from langchain_core.pydantic_v1 import BaseModel, Field
from import BaseTool

from langchain_community.utilities.dataherald import DataheraldAPIWrapper

[docs]class DataheraldTextToSQLInput(BaseModel): prompt: str = Field( description="Natural language query to be translated to a SQL query." )
[docs]class DataheraldTextToSQL(BaseTool): """Tool that queries using the Dataherald SDK.""" name: str = "dataherald" description: str = ( "A wrapper around Dataherald. " "Text to SQL. " "Input should be a prompt and an existing db_connection_id" ) api_wrapper: DataheraldAPIWrapper args_schema: Type[BaseModel] = DataheraldTextToSQLInput def _run( self, prompt: str, run_manager: Optional[CallbackManagerForToolRun] = None, ) -> str: """Use the Dataherald tool.""" return