CreateQuery t1 (children 3)
 Identifier t1
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration s (children 1)
    DataType String
   ColumnDeclaration x (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration k (children 1)
    DataType UInt64
 Storage definition (children 1)
  Function Join (children 1)
   ExpressionList (children 3)
    Identifier ANY
    Identifier LEFT
    Identifier k