class_docstr: Base class for handlers associated to vector databases.
class_docstr_tok: ["Base","class","for","handlers","associated","to","vector","databases","."]
code: def _is_condition_allowed(self, condition: FilterCondition) -> bool:
      allowed_field_values = set([field.value for field in TableField])
      if condition.column in allowed_field_values:
          return True
      else:
          # check if column is a metadata column
          if condition.column.startswith(TableField.METADATA.value):
              return True
          else:
              return False
  
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 7 for calling the VectorStoreHandler obj's underlying member method code with example usage: obj._is_condition_allowed(condition) and returns: True, True, False