CreateQuery queue (children 3)
 Identifier queue
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration day (children 1)
    DataType Date
   ColumnDeclaration uid (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier day
    Identifier uid
