CreateQuery t1 (children 3)
 Identifier t1
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType INT UNSIGNED
   ColumnDeclaration rev (children 1)
    DataType INT UNSIGNED
   ColumnDeclaration content (children 1)
    DataType varchar (children 1)
     ExpressionList (children 1)
      Literal UInt64_200
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier id
    Identifier rev
