class_docstr: Base class for handlers associated to vector databases.
class_docstr_tok: ["Base","class","for","handlers","associated","to","vector","databases","."]
docstr: Update data in table
  
  Args:
      table_name (str): table name
      data (pd.DataFrame): data to update
      key_columns (List[str]): key to  to update
  
  Returns:
      HandlerResponse
docstr_tok: ["Update","data","in","table","Args",":","table_name","(","str",")",":","table","name","data","(","pd.DataFrame",")",":","data","to","update","key_columns","(","List","[","str","]",")",":","key","to","to","update","Returns",":","HandlerResponse"]
code: def update(
      self,
      table_name: str,
      data: pd.DataFrame,
      key_columns: List[str] = None,
  ):
      """Update data in table
  
      Args:
          table_name (str): table name
          data (pd.DataFrame): data to update
          key_columns (List[str]): key to  to update
  
      Returns:
          HandlerResponse
      """
      raise NotImplementedError()
  
imports: import ast
  import hashlib
  from enum import Enum
  from typing import Any, List, Optional
  import pandas
  from mindsdb_sql.parser.ast import BinaryOperation, Constant, CreateTable, Delete, DropTables, Insert, Select, Star, Tuple, Update
  from mindsdb_sql.parser.ast.base import ASTNode
  from mindsdb.integrations.libs.response import RESPONSE_TYPE, HandlerResponse
  from mindsdb.utilities import log
  from mindsdb.integrations.utilities.sql_utils import conditions_to_filter
  from ..utilities.sql_utils import query_traversal
  from .base import BaseHandler
label_desc: Use image node_id 20 for calling the VectorStoreHandler obj's underlying member method code with example usage: obj.update(table_name, data, key_columns) without return types