CreateQuery sj_a (children 3)
 Identifier sj_a
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration p (children 1)
    DataType UInt8
 Storage definition (children 3)
  Function MergeTree
  Identifier id
  Set
