class_docstr: Python interface for VegaFusion Sql Dataset
docstr: Returns the result of evaluating the requested query. The resulting pa.Table
  should have a schema matching the provided schema
  
  :param query: SQL query string
  :param schema: expected pyarrow Schema of resulting pyarrow Table
  :return: pyarrow Table with query results
code: def fetch_query(self, query: str, schema: pa.Schema) -> pa.Table:
      """
      Returns the result of evaluating the requested query. The resulting pa.Table
      should have a schema matching the provided schema
  
      :param query: SQL query string
      :param schema: expected pyarrow Schema of resulting pyarrow Table
      :return: pyarrow Table with query results
      """
      raise NotImplementedError()
  
file_path: vegafusion/python/vegafusion/vegafusion/dataset/sql.py
imports: from abc import ABC, abstractmethod
  import pyarrow
  from typing import TYPE_CHECKING
label_desc: Use image node_id 4 for calling the SqlDataset obj's underlying member method code with example usage: obj.fetch_query(query, schema) without return types