CreateQuery test_table (children 3)
 Identifier test_table
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration key (children 1)
    DataType UInt32
   ColumnDeclaration A (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType Int64
   ColumnDeclaration B (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType DateTime
   ColumnDeclaration C (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType String
 Storage definition (children 2)
  Function AggregatingMergeTree (children 1)
   ExpressionList
  Identifier key
