CreateQuery test2 (children 4)
 Identifier test2
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration time (children 1)
    DataType DateTime
   ColumnDeclaration value (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Identifier time
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 2)
     Literal UInt64_0
     Literal \'\'
