CreateQuery t02845 (children 3)
 Identifier t02845
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration a (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration s (children 1)
    DataType Int16
   ColumnDeclaration d (children 1)
    DataType UInt8
 Storage definition (children 2)
  Function MergeTree
  Identifier d