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/*
* $Id: nullrep.sql,v 1.1 2007/08/09 03:28:37 unsaved Exp $
*
* Tests enforcement of null-representation token
*/
/** This is the default on UNIX.
* Our *.dsv test files are stored as binaries, so this is required
* to run tests on Windows: */
* *DSV_ROW_DELIM = \n
CREATE TABLE t (i INT, vc VARCHAR);
INSERT INTO t VALUES(1, 'one');
/** For INPUT, the NULLREP is only used for DSV imports, since unquoted
* null works perfectly for other forms of input.
* Therefore, following should enter "[null]" literally.
*/
INSERT INTO t VALUES(2, '[null]');
INSERT INTO t VALUES(3, null);
* COUNT _
SELECT count(*) FROM t WHERE i = 2 AND vc IS NULL;
* if (*COUNT != 0)
\q Seems that non-DSV insertion of '[null]' inserted a real NULL
* end if
* COUNT _
SELECT count(*) FROM t WHERE i = 3 AND vc IS null;
* if (*COUNT != 1)
\q Seems that non-DSV insertion of plain null did not insert a SQL NULL
* end if
DROP TABLE t;
/* Now test nullrep tokens with DSV imports */
CREATE TABLE t (
id VARCHAR PRIMARY KEY,
i INTEGER,
r REAL,
d DATE,
t TIMESTAMP,
v VARCHAR,
b BOOLEAN
);
\m nullrep.dsv
SELECT count(*) FROM t WHERE id = 'wspaces' AND i IS null;
*if (*? != 1)
\q Insertion of INTEGER space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND r IS null;
*if (*? != 1)
\q Insertion of REAL space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND d IS null;
*if (*? != 1)
\q Insertion of DATE space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND t IS null;
*if (*? != 1)
\q Insertion of TIMESTAMP space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND v = ' [null] ';
*if (*? != 1)
\q Insertion of VARCHAR w/ space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND b IS null;
*if (*? != 1)
\q Insertion of BOOLEAN space-embedded null-rep-token failed
*end if
DELETE FROM t;
/** Repeat test with some non-default DSV settings */
* *NULL_REP_TOKEN = %%
* *DSV_COL_DELIM = :
* *DSV_ROW_DELIM = }\n
\m nullrep-alt.dsv
SELECT count(*) FROM t WHERE id = 'wspaces' AND i IS null;
*if (*? != 1)
\q Insertion of INTEGER space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND r IS null;
*if (*? != 1)
\q Insertion of REAL space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND d IS null;
*if (*? != 1)
\q Insertion of DATE space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND t IS null;
*if (*? != 1)
\q Insertion of TIMESTAMP space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND v = ' %% ';
*if (*? != 1)
\q Insertion of VARCHAR w/ space-embedded null-rep-token failed
*end if
SELECT count(*) FROM t WHERE id = 'wspaces' AND b IS null;
*if (*? != 1)
\q Insertion of BOOLEAN space-embedded null-rep-token failed
*end if
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