CreateQuery tab (children 3)
 Identifier tab
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UUID
   ColumnDeclaration value (children 1)
    DataType UInt32
 Storage definition (children 3)
  Function MergeTree
  Identifier id
  Function tuple (children 1)
   ExpressionList
