CreateQuery test_tuple (children 3)
 Identifier test_tuple
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration p (children 1)
    DataType DateTime
   ColumnDeclaration i (children 1)
    DataType int
   ColumnDeclaration j (children 1)
    DataType int
 Storage definition (children 4)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Function toDate (children 1)
     ExpressionList (children 1)
      Identifier p
    Identifier i
  Identifier j
  Set
