CreateQuery test_table (children 3)
 Identifier test_table
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration uid (children 1)
    DataType Int64
   ColumnDeclaration start (children 1)
    DataType Int64
   ColumnDeclaration end (children 1)
    DataType Int64
   ColumnDeclaration insert_time (children 1)
    DataType DateTime
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier uid
    Identifier start
