--
-- VARCHAR
--
--
-- Build a table for testing
-- (This temporarily hides the table created in test_setup.sql)
--
CREATE TEMP TABLE VARCHAR_TBL(f1 varchar(1));
INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
-- any of the following three input formats are acceptable
INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
INSERT INTO VARCHAR_TBL (f1) VALUES (2);
INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
-- zero-length char
INSERT INTO VARCHAR_TBL (f1) VALUES ('');
-- try varchar's of greater than 1 length
INSERT INTO VARCHAR_TBL (f1) VALUES ('cd');
ERROR:  value too long for type character varying(1)
INSERT INTO VARCHAR_TBL (f1) VALUES ('c     ');
SELECT * FROM VARCHAR_TBL;
 f1 
----
 a
 A
 1
 2
 3
 
 c
(7 rows)

SELECT c.*
   FROM VARCHAR_TBL c
   WHERE c.f1 <> 'a';
 f1 
----
 A
 1
 2
 3
 
 c
(6 rows)

SELECT c.*
   FROM VARCHAR_TBL c
   WHERE c.f1 = 'a';
 f1 
----
 a
(1 row)

SELECT c.*
   FROM VARCHAR_TBL c
   WHERE c.f1 < 'a';
 f1 
----
 1
 2
 3
 
(4 rows)

SELECT c.*
   FROM VARCHAR_TBL c
   WHERE c.f1 <= 'a';
 f1 
----
 a
 1
 2
 3
 
(5 rows)

SELECT c.*
   FROM VARCHAR_TBL c
   WHERE c.f1 > 'a';
 f1 
----
 A
 c
(2 rows)

SELECT c.*
   FROM VARCHAR_TBL c
   WHERE c.f1 >= 'a';
 f1 
----
 a
 A
 c
(3 rows)

DROP TABLE VARCHAR_TBL;
--
-- Now test longer arrays of char
--
-- This varchar_tbl was already created and filled in test_setup.sql.
-- Here we just try to insert bad values.
--
INSERT INTO VARCHAR_TBL (f1) VALUES ('abcde');
ERROR:  value too long for type character varying(4)
SELECT * FROM VARCHAR_TBL;
  f1  
------
 a
 ab
 abcd
 abcd
(4 rows)

-- Also try it with non-error-throwing API
SELECT pg_input_is_valid('abcd  ', 'varchar(4)');
 pg_input_is_valid 
-------------------
 t
(1 row)

SELECT pg_input_is_valid('abcde', 'varchar(4)');
 pg_input_is_valid 
-------------------
 f
(1 row)

SELECT * FROM pg_input_error_info('abcde', 'varchar(4)');
                   message                    | detail | hint | sql_error_code 
----------------------------------------------+--------+------+----------------
 value too long for type character varying(4) |        |      | 22001
(1 row)