CreateQuery table2 (children 3)
 Identifier table2
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType Int64
   ColumnDeclaration id2 (children 1)
    DataType Int64
   ColumnDeclaration val (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier id
    Identifier id2
