CreateQuery bitmap_state_test (children 3)
 Identifier bitmap_state_test
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration pickup_date (children 1)
    DataType Date
   ColumnDeclaration city_id (children 1)
    DataType UInt32
   ColumnDeclaration uv (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier groupBitmap
      DataType UInt64
 Storage definition (children 3)
  Function AggregatingMergeTree (children 1)
   ExpressionList
  Function toYYYYMM (children 1)
   ExpressionList (children 1)
    Identifier pickup_date
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier pickup_date
    Identifier city_id