133 lines
2.1 KiB
Plaintext
133 lines
2.1 KiB
Plaintext
--
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-- VARCHAR
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--
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--
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-- Build a table for testing
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-- (This temporarily hides the table created in test_setup.sql)
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--
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CREATE TEMP TABLE VARCHAR_TBL(f1 varchar(1));
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INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
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INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
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-- any of the following three input formats are acceptable
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INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
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INSERT INTO VARCHAR_TBL (f1) VALUES (2);
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INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
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-- zero-length char
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INSERT INTO VARCHAR_TBL (f1) VALUES ('');
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-- try varchar's of greater than 1 length
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INSERT INTO VARCHAR_TBL (f1) VALUES ('cd');
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ERROR: value too long for type character varying(1)
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INSERT INTO VARCHAR_TBL (f1) VALUES ('c ');
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SELECT * FROM VARCHAR_TBL;
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f1
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----
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a
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A
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1
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2
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3
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c
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(7 rows)
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SELECT c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 <> 'a';
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f1
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----
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A
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1
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2
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3
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c
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(6 rows)
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SELECT c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 = 'a';
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f1
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----
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a
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(1 row)
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SELECT c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 < 'a';
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f1
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----
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1
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2
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3
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(4 rows)
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SELECT c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 <= 'a';
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f1
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----
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a
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1
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2
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3
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(5 rows)
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SELECT c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 > 'a';
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f1
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----
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A
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c
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(2 rows)
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SELECT c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 >= 'a';
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f1
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----
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a
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A
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c
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(3 rows)
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DROP TABLE VARCHAR_TBL;
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--
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-- Now test longer arrays of char
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--
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-- This varchar_tbl was already created and filled in test_setup.sql.
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-- Here we just try to insert bad values.
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--
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INSERT INTO VARCHAR_TBL (f1) VALUES ('abcde');
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ERROR: value too long for type character varying(4)
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SELECT * FROM VARCHAR_TBL;
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f1
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------
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a
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ab
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abcd
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abcd
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(4 rows)
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-- Also try it with non-error-throwing API
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SELECT pg_input_is_valid('abcd ', 'varchar(4)');
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pg_input_is_valid
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-------------------
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t
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(1 row)
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SELECT pg_input_is_valid('abcde', 'varchar(4)');
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pg_input_is_valid
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-------------------
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f
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(1 row)
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SELECT * FROM pg_input_error_info('abcde', 'varchar(4)');
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message | detail | hint | sql_error_code
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----------------------------------------------+--------+------+----------------
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value too long for type character varying(4) | | | 22001
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(1 row)
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