CreateQuery full_join (children 3)
 Identifier full_join
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration x (children 1)
    DataType UInt32
   ColumnDeclaration s (children 1)
    DataType String
 Storage definition (children 2)
  Function Join (children 1)
   ExpressionList (children 3)
    Identifier ALL
    Identifier FULL
    Identifier x
  Set