CreateQuery test_table (children 3)
 Identifier test_table
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration col1 (children 1)
    DataType DateTime
   ColumnDeclaration col2 (children 1)
    DataType Int64
   ColumnDeclaration col3 (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier sumMap
      DataType Tuple (children 1)
       ExpressionList (children 2)
        DataType Array (children 1)
         ExpressionList (children 1)
          DataType UInt8
        DataType Array (children 1)
         ExpressionList (children 1)
          DataType UInt8
 Storage definition (children 2)
  Function AggregatingMergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier col1
    Identifier col2