--
-- NAME
-- all inputs are silently truncated at NAMEDATALEN-1 (63) characters
--
-- fixed-length by reference
SELECT name 'name string' = name 'name string' AS "True";
 True 
------
 t
(1 row)

SELECT name 'name string' = name 'name string ' AS "False";
 False 
-------
 f
(1 row)

--
--
--
CREATE TABLE NAME_TBL(f1 name);
INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR');
INSERT INTO NAME_TBL(f1) VALUES ('1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopqr');
INSERT INTO NAME_TBL(f1) VALUES ('asdfghjkl;');
INSERT INTO NAME_TBL(f1) VALUES ('343f%2a');
INSERT INTO NAME_TBL(f1) VALUES ('d34aaasdf');
INSERT INTO NAME_TBL(f1) VALUES ('');
INSERT INTO NAME_TBL(f1) VALUES ('1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ');
SELECT * FROM NAME_TBL;
                               f1                                
-----------------------------------------------------------------
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
 asdfghjkl;
 343f%2a
 d34aaasdf
 
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(7 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 <> '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
                               f1                                
-----------------------------------------------------------------
 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
 asdfghjkl;
 343f%2a
 d34aaasdf
 
(5 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
                               f1                                
-----------------------------------------------------------------
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(2 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 < '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
 f1 
----
 
(1 row)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 <= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
                               f1                                
-----------------------------------------------------------------
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
 
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(3 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 > '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
                               f1                                
-----------------------------------------------------------------
 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
 asdfghjkl;
 343f%2a
 d34aaasdf
(4 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 >= '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQR';
                               f1                                
-----------------------------------------------------------------
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
 asdfghjkl;
 343f%2a
 d34aaasdf
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(6 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*';
                               f1                                
-----------------------------------------------------------------
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
 asdfghjkl;
 343f%2a
 d34aaasdf
 
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(7 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 !~ '.*';
 f1 
----
(0 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 ~ '[0-9]';
                               f1                                
-----------------------------------------------------------------
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
 1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopq
 343f%2a
 d34aaasdf
 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890ABCDEFGHIJKLMNOPQ
(5 rows)

SELECT c.f1 FROM NAME_TBL c WHERE c.f1 ~ '.*asdf.*';
     f1     
------------
 asdfghjkl;
 d34aaasdf
(2 rows)

DROP TABLE NAME_TBL;
DO $$
DECLARE r text[];
BEGIN
  r := parse_ident('Schemax.Tabley');
  RAISE NOTICE '%', format('%I.%I', r[1], r[2]);
  r := parse_ident('"SchemaX"."TableY"');
  RAISE NOTICE '%', format('%I.%I', r[1], r[2]);
END;
$$;
NOTICE:  schemax.tabley
NOTICE:  "SchemaX"."TableY"
SELECT parse_ident('foo.boo');
 parse_ident 
-------------
 {foo,boo}
(1 row)

SELECT parse_ident('foo.boo[]'); -- should fail
ERROR:  string is not a valid identifier: "foo.boo[]"
SELECT parse_ident('foo.boo[]', strict => false); -- ok
 parse_ident 
-------------
 {foo,boo}
(1 row)

-- should fail
SELECT parse_ident(' ');
ERROR:  string is not a valid identifier: " "
SELECT parse_ident(' .aaa');
ERROR:  string is not a valid identifier: " .aaa"
DETAIL:  No valid identifier before ".".
SELECT parse_ident(' aaa . ');
ERROR:  string is not a valid identifier: " aaa . "
DETAIL:  No valid identifier after ".".
SELECT parse_ident('aaa.a%b');
ERROR:  string is not a valid identifier: "aaa.a%b"
SELECT parse_ident(E'X\rXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX');
ERROR:  string is not a valid identifier: "X
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
SELECT length(a[1]), length(a[2]) from parse_ident('"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy') as a ;
 length | length 
--------+--------
    414 |    289
(1 row)

SELECT parse_ident(' first . "  second  " ."   third   ". "  ' || repeat('x',66) || '"');
                                                parse_ident                                                
-----------------------------------------------------------------------------------------------------------
 {first,"  second  ","   third   ","  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"}
(1 row)

SELECT parse_ident(' first . "  second  " ."   third   ". "  ' || repeat('x',66) || '"')::name[];
                                             parse_ident                                              
------------------------------------------------------------------------------------------------------
 {first,"  second  ","   third   ","  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"}
(1 row)

SELECT parse_ident(E'"c".X XXXX\002XXXXXX');
ERROR:  string is not a valid identifier: ""c".X XXXXXXXXXX"
SELECT parse_ident('1020');
ERROR:  string is not a valid identifier: "1020"
SELECT parse_ident('10.20');
ERROR:  string is not a valid identifier: "10.20"
SELECT parse_ident('.');
ERROR:  string is not a valid identifier: "."
DETAIL:  No valid identifier before ".".
SELECT parse_ident('.1020');
ERROR:  string is not a valid identifier: ".1020"
DETAIL:  No valid identifier before ".".
SELECT parse_ident('xxx.1020');
ERROR:  string is not a valid identifier: "xxx.1020"
DETAIL:  No valid identifier after ".".