CreateQuery table_for_dict (children 3)
 Identifier table_for_dict
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration key_column (children 1)
    DataType UInt64
   ColumnDeclaration second_column (children 1)
    DataType UInt64
   ColumnDeclaration third_column (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier key_column