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--
-- Test ISN extension
--
CREATE EXTENSION isn;
-- Check whether any of our opclasses fail amvalidate
-- ... they will, because of missing cross-type operators
SELECT amname, opcname
FROM (SELECT amname, opcname, opc.oid
      FROM pg_opclass opc LEFT JOIN pg_am am ON am.oid = opcmethod
      WHERE opc.oid >= 16384
      ORDER BY 1, 2 OFFSET 0) ss
WHERE NOT amvalidate(oid);
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method btree is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
INFO:  operator family "isn_ops" of access method hash is missing cross-type operator(s)
 amname |  opcname   
--------+------------
 btree  | ean13_ops
 btree  | isbn13_ops
 btree  | isbn_ops
 btree  | ismn13_ops
 btree  | ismn_ops
 btree  | issn13_ops
 btree  | issn_ops
 btree  | upc_ops
 hash   | ean13_ops
 hash   | isbn13_ops
 hash   | isbn_ops
 hash   | ismn13_ops
 hash   | ismn_ops
 hash   | issn13_ops
 hash   | issn_ops
 hash   | upc_ops
(16 rows)

--
-- test valid conversions
--
SELECT '9780123456786'::EAN13, -- old book
       '9790123456785'::EAN13, -- music
       '9791234567896'::EAN13, -- new book
       '9771234567898'::EAN13, -- serial
       '0123456789012'::EAN13, -- upc
       '1234567890128'::EAN13;
       ean13       |       ean13       |      ean13      |       ean13       |      ean13      |      ean13      
-------------------+-------------------+-----------------+-------------------+-----------------+-----------------
 978-0-12-345678-6 | 979-0-1234-5678-5 | 979-123456789-6 | 977-1234-567-89-8 | 012-345678901-2 | 123-456789012-8
(1 row)

SELECT '9780123456786'::ISBN,
       '123456789X'::ISBN,
       '9780123456786'::ISBN13::ISBN,
       '9780123456786'::EAN13::ISBN;
     isbn      |     isbn      |     isbn      |     isbn      
---------------+---------------+---------------+---------------
 0-12-345678-9 | 1-234-56789-X | 0-12-345678-9 | 0-12-345678-9
(1 row)

SELECT -- new books, shown as ISBN13 even for ISBN...
       '9791234567896'::ISBN,
       '9791234567896'::ISBN13::ISBN,
       '9791234567896'::EAN13::ISBN;
      isbn       |      isbn       |      isbn       
-----------------+-----------------+-----------------
 979-123456789-6 | 979-123456789-6 | 979-123456789-6
(1 row)

SELECT '9780123456786'::ISBN13,
       '123456789X'::ISBN13,
       '9791234567896'::ISBN13,
       '9791234567896'::EAN13::ISBN13;
      isbn13       |      isbn13       |     isbn13      |     isbn13      
-------------------+-------------------+-----------------+-----------------
 978-0-12-345678-6 | 978-1-234-56789-7 | 979-123456789-6 | 979-123456789-6
(1 row)

SELECT '9790123456785'::ISMN,
       '9790123456785'::EAN13::ISMN,
       'M123456785'::ISMN,
       'M-1234-5678-5'::ISMN;
     ismn      |     ismn      |     ismn      |     ismn      
---------------+---------------+---------------+---------------
 M-1234-5678-5 | M-1234-5678-5 | M-1234-5678-5 | M-1234-5678-5
(1 row)

SELECT '9790123456785'::ISMN13,
       'M123456785'::ISMN13,
       'M-1234-5678-5'::ISMN13;
      ismn13       |      ismn13       |      ismn13       
-------------------+-------------------+-------------------
 979-0-1234-5678-5 | 979-0-1234-5678-5 | 979-0-1234-5678-5
(1 row)

SELECT '9771234567003'::ISSN,
       '12345679'::ISSN;
   issn    |   issn    
-----------+-----------
 1234-5679 | 1234-5679
(1 row)

SELECT '9771234567003'::ISSN13,
       '12345679'::ISSN13,
       '9771234567898'::ISSN13,
       '9771234567898'::EAN13::ISSN13;
      issn13       |      issn13       |      issn13       |      issn13       
-------------------+-------------------+-------------------+-------------------
 977-1234-567-00-3 | 977-1234-567-00-3 | 977-1234-567-89-8 | 977-1234-567-89-8
(1 row)

SELECT '0123456789012'::UPC,
       '0123456789012'::EAN13::UPC;
     upc      |     upc      
--------------+--------------
 123456789012 | 123456789012
(1 row)

--
-- test invalid checksums
--
SELECT '1234567890'::ISBN;
ERROR:  invalid check digit for ISBN number: "1234567890", should be X
LINE 1: SELECT '1234567890'::ISBN;
               ^
SELECT 'M123456780'::ISMN;
ERROR:  invalid check digit for ISMN number: "M123456780", should be 5
LINE 1: SELECT 'M123456780'::ISMN;
               ^
SELECT '12345670'::ISSN;
ERROR:  invalid check digit for ISSN number: "12345670", should be 9
LINE 1: SELECT '12345670'::ISSN;
               ^
SELECT '9780123456780'::ISBN;
ERROR:  invalid check digit for ISBN number: "9780123456780", should be 6
LINE 1: SELECT '9780123456780'::ISBN;
               ^
SELECT '9791234567890'::ISBN13;
ERROR:  invalid check digit for ISBN number: "9791234567890", should be 6
LINE 1: SELECT '9791234567890'::ISBN13;
               ^
SELECT '0123456789010'::UPC;
ERROR:  invalid check digit for UPC number: "0123456789010", should be 2
LINE 1: SELECT '0123456789010'::UPC;
               ^
SELECT '1234567890120'::EAN13;
ERROR:  invalid check digit for EAN13 number: "1234567890120", should be 8
LINE 1: SELECT '1234567890120'::EAN13;
               ^
--
-- test invalid conversions
--
SELECT '9790123456785'::ISBN; -- not a book
ERROR:  cannot cast ISMN to ISBN for number: "9790123456785"
LINE 1: SELECT '9790123456785'::ISBN;
               ^
SELECT '9771234567898'::ISBN; -- not a book
ERROR:  cannot cast ISSN to ISBN for number: "9771234567898"
LINE 1: SELECT '9771234567898'::ISBN;
               ^
SELECT '0123456789012'::ISBN; -- not a book
ERROR:  cannot cast UPC to ISBN for number: "0123456789012"
LINE 1: SELECT '0123456789012'::ISBN;
               ^
SELECT '9790123456785'::ISBN13; -- not a book
ERROR:  cannot cast ISMN to ISBN for number: "9790123456785"
LINE 1: SELECT '9790123456785'::ISBN13;
               ^
SELECT '9771234567898'::ISBN13; -- not a book
ERROR:  cannot cast ISSN to ISBN for number: "9771234567898"
LINE 1: SELECT '9771234567898'::ISBN13;
               ^
SELECT '0123456789012'::ISBN13; -- not a book
ERROR:  cannot cast UPC to ISBN for number: "0123456789012"
LINE 1: SELECT '0123456789012'::ISBN13;
               ^
SELECT '9780123456786'::ISMN; -- not music
ERROR:  cannot cast ISBN to ISMN for number: "9780123456786"
LINE 1: SELECT '9780123456786'::ISMN;
               ^
SELECT '9771234567898'::ISMN; -- not music
ERROR:  cannot cast ISSN to ISMN for number: "9771234567898"
LINE 1: SELECT '9771234567898'::ISMN;
               ^
SELECT '9791234567896'::ISMN; -- not music
ERROR:  cannot cast ISBN to ISMN for number: "9791234567896"
LINE 1: SELECT '9791234567896'::ISMN;
               ^
SELECT '0123456789012'::ISMN; -- not music
ERROR:  cannot cast UPC to ISMN for number: "0123456789012"
LINE 1: SELECT '0123456789012'::ISMN;
               ^
SELECT '9780123456786'::ISSN; -- not serial
ERROR:  cannot cast ISBN to ISSN for number: "9780123456786"
LINE 1: SELECT '9780123456786'::ISSN;
               ^
SELECT '9790123456785'::ISSN; -- not serial
ERROR:  cannot cast ISMN to ISSN for number: "9790123456785"
LINE 1: SELECT '9790123456785'::ISSN;
               ^
SELECT '9791234567896'::ISSN; -- not serial
ERROR:  cannot cast ISBN to ISSN for number: "9791234567896"
LINE 1: SELECT '9791234567896'::ISSN;
               ^
SELECT '0123456789012'::ISSN; -- not serial
ERROR:  cannot cast UPC to ISSN for number: "0123456789012"
LINE 1: SELECT '0123456789012'::ISSN;
               ^
SELECT '9780123456786'::UPC; -- not a product
ERROR:  cannot cast ISBN to UPC for number: "9780123456786"
LINE 1: SELECT '9780123456786'::UPC;
               ^
SELECT '9771234567898'::UPC; -- not a product
ERROR:  cannot cast ISSN to UPC for number: "9771234567898"
LINE 1: SELECT '9771234567898'::UPC;
               ^
SELECT '9790123456785'::UPC; -- not a product
ERROR:  cannot cast ISMN to UPC for number: "9790123456785"
LINE 1: SELECT '9790123456785'::UPC;
               ^
SELECT '9791234567896'::UPC; -- not a product
ERROR:  cannot cast ISBN to UPC for number: "9791234567896"
LINE 1: SELECT '9791234567896'::UPC;
               ^
SELECT 'postgresql...'::EAN13;
ERROR:  invalid input syntax for EAN13 number: "postgresql..."
LINE 1: SELECT 'postgresql...'::EAN13;
               ^
SELECT 'postgresql...'::ISBN;
ERROR:  invalid input syntax for ISBN number: "postgresql..."
LINE 1: SELECT 'postgresql...'::ISBN;
               ^
SELECT 9780123456786::EAN13;
ERROR:  cannot cast type bigint to ean13
LINE 1: SELECT 9780123456786::EAN13;
                            ^
SELECT 9780123456786::ISBN;
ERROR:  cannot cast type bigint to isbn
LINE 1: SELECT 9780123456786::ISBN;
                            ^
--
-- test some comparisons, must yield true
--
SELECT '12345679'::ISSN = '9771234567003'::EAN13 AS "ok",
       'M-1234-5678-5'::ISMN = '9790123456785'::EAN13 AS "ok",
       '9791234567896'::EAN13 != '123456789X'::ISBN AS "nope";
 ok | ok | nope 
----+----+------
 t  | t  | t
(1 row)

-- test non-error-throwing input API
SELECT str as isn, typ as "type",
       pg_input_is_valid(str,typ) as ok,
       errinfo.sql_error_code,
       errinfo.message,
       errinfo.detail,
       errinfo.hint
FROM (VALUES ('9780123456786', 'UPC'),
             ('postgresql...','EAN13'),
             ('9771234567003','ISSN'))
      AS a(str,typ),
     LATERAL pg_input_error_info(a.str, a.typ) as errinfo;
      isn      | type  | ok | sql_error_code |                        message                         | detail | hint 
---------------+-------+----+----------------+--------------------------------------------------------+--------+------
 9780123456786 | UPC   | f  | 22P02          | cannot cast ISBN to UPC for number: "9780123456786"    |        | 
 postgresql... | EAN13 | f  | 22P02          | invalid input syntax for EAN13 number: "postgresql..." |        | 
 9771234567003 | ISSN  | t  |                |                                                        |        | 
(3 rows)

--
-- cleanup
--
DROP EXTENSION isn;