CreateQuery test_sequenceNextNode (children 3)
 Identifier test_sequenceNextNode
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration dt (children 1)
    DataType DateTime
   ColumnDeclaration id (children 1)
    DataType int
   ColumnDeclaration action (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier dt
  Identifier id
