/trunk/test/triggerA.test |
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# 2008 February 12 |
# |
# The author disclaims copyright to this source code. In place of |
# a legal notice, here is a blessing: |
# |
# May you do good and not evil. |
# May you find forgiveness for yourself and forgive others. |
# May you share freely, never taking more than you give. |
# |
#*********************************************************************** |
# This file implements regression tests for SQLite library. Specifically, |
# it tests issues relating to firing an INSTEAD OF trigger on a VIEW |
# when one tries to UPDATE or DELETE from the view. Does the WHERE |
# clause of the UPDATE or DELETE statement get passed down correctly |
# into the query that manifests the view? |
# |
# Ticket #2938 |
# |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
ifcapable !trigger||!compound { |
finish_test |
return |
} |
|
# Create two table containing some sample data |
# |
do_test triggerA-1.1 { |
db eval { |
CREATE TABLE t1(x INTEGER PRIMARY KEY, y TEXT UNIQUE); |
CREATE TABLE t2(a INTEGER PRIMARY KEY, b INTEGER UNIQUE, c TEXT); |
} |
set i 1 |
foreach word {one two three four five six seven eight nine ten} { |
set j [expr {$i*100 + [string length $word]}] |
db eval { |
INSERT INTO t1 VALUES($i,$word); |
INSERT INTO t2 VALUES(20-$i,$j,$word); |
} |
incr i |
} |
db eval { |
SELECT count(*) FROM t1 UNION ALL SELECT count(*) FROM t2; |
} |
} {10 10} |
|
# Create views of various forms against one or both of the two tables. |
# |
do_test triggerA-1.2 { |
db eval { |
CREATE VIEW v1 AS SELECT y, x FROM t1; |
SELECT * FROM v1 ORDER BY 1; |
} |
} {eight 8 five 5 four 4 nine 9 one 1 seven 7 six 6 ten 10 three 3 two 2} |
do_test triggerA-1.3 { |
db eval { |
CREATE VIEW v2 AS SELECT x, y FROM t1 WHERE y GLOB '*e*'; |
SELECT * FROM v2 ORDER BY 1; |
} |
} {1 one 3 three 5 five 7 seven 8 eight 9 nine 10 ten} |
do_test triggerA-1.4 { |
db eval { |
CREATE VIEW v3 AS |
SELECT CAST(x AS TEXT) AS c1 FROM t1 UNION SELECT y FROM t1; |
SELECT * FROM v3 ORDER BY c1; |
} |
} {1 10 2 3 4 5 6 7 8 9 eight five four nine one seven six ten three two} |
do_test triggerA-1.5 { |
db eval { |
CREATE VIEW v4 AS |
SELECT CAST(x AS TEXT) AS c1 FROM t1 |
UNION SELECT y FROM t1 WHERE x BETWEEN 3 and 5; |
SELECT * FROM v4 ORDER BY 1; |
} |
} {1 10 2 3 4 5 6 7 8 9 five four three} |
do_test triggerA-1.6 { |
db eval { |
CREATE VIEW v5 AS SELECT x, b FROM t1, t2 WHERE y=c; |
SELECT * FROM v5 ORDER BY x DESC; |
} |
} {10 1003 9 904 8 805 7 705 6 603 5 504 4 404 3 305 2 203 1 103} |
|
# Create INSTEAD OF triggers on the views. Run UPDATE and DELETE statements |
# using those triggers. Verify correct operation. |
# |
do_test triggerA-2.1 { |
db eval { |
CREATE TABLE result2(a,b); |
CREATE TRIGGER r1d INSTEAD OF DELETE ON v1 BEGIN |
INSERT INTO result2(a,b) VALUES(old.y, old.x); |
END; |
DELETE FROM v1 WHERE x=5; |
SELECT * FROM result2; |
} |
} {five 5} |
do_test triggerA-2.2 { |
db eval { |
CREATE TABLE result4(a,b,c,d); |
CREATE TRIGGER r1u INSTEAD OF UPDATE ON v1 BEGIN |
INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x); |
END; |
UPDATE v1 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5; |
SELECT * FROM result4 ORDER BY a; |
} |
} {five 5 five-extra 5 four 4 four-extra 4 three 3 three-extra 3} |
|
|
do_test triggerA-2.3 { |
db eval { |
DELETE FROM result2; |
CREATE TRIGGER r2d INSTEAD OF DELETE ON v2 BEGIN |
INSERT INTO result2(a,b) VALUES(old.y, old.x); |
END; |
DELETE FROM v2 WHERE x=5; |
SELECT * FROM result2; |
} |
} {five 5} |
do_test triggerA-2.4 { |
db eval { |
DELETE FROM result4; |
CREATE TRIGGER r2u INSTEAD OF UPDATE ON v2 BEGIN |
INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x); |
END; |
UPDATE v2 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5; |
SELECT * FROM result4 ORDER BY a; |
} |
} {five 5 five-extra 5 three 3 three-extra 3} |
|
|
do_test triggerA-2.5 { |
db eval { |
CREATE TABLE result1(a); |
CREATE TRIGGER r3d INSTEAD OF DELETE ON v3 BEGIN |
INSERT INTO result1(a) VALUES(old.c1); |
END; |
DELETE FROM v3 WHERE c1 BETWEEN '8' AND 'eight'; |
SELECT * FROM result1 ORDER BY a; |
} |
} {8 9 eight} |
do_test triggerA-2.6 { |
db eval { |
DELETE FROM result2; |
CREATE TRIGGER r3u INSTEAD OF UPDATE ON v3 BEGIN |
INSERT INTO result2(a,b) VALUES(old.c1, new.c1); |
END; |
UPDATE v3 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight'; |
SELECT * FROM result2 ORDER BY a; |
} |
} {8 8-extra 9 9-extra eight eight-extra} |
|
|
do_test triggerA-2.7 { |
db eval { |
DELETE FROM result1; |
CREATE TRIGGER r4d INSTEAD OF DELETE ON v4 BEGIN |
INSERT INTO result1(a) VALUES(old.c1); |
END; |
DELETE FROM v4 WHERE c1 BETWEEN '8' AND 'eight'; |
SELECT * FROM result1 ORDER BY a; |
} |
} {8 9} |
do_test triggerA-2.8 { |
db eval { |
DELETE FROM result2; |
CREATE TRIGGER r4u INSTEAD OF UPDATE ON v4 BEGIN |
INSERT INTO result2(a,b) VALUES(old.c1, new.c1); |
END; |
UPDATE v4 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight'; |
SELECT * FROM result2 ORDER BY a; |
} |
} {8 8-extra 9 9-extra} |
|
|
do_test triggerA-2.9 { |
db eval { |
DELETE FROM result2; |
CREATE TRIGGER r5d INSTEAD OF DELETE ON v5 BEGIN |
INSERT INTO result2(a,b) VALUES(old.x, old.b); |
END; |
DELETE FROM v5 WHERE x=5; |
SELECT * FROM result2; |
} |
} {5 504} |
do_test triggerA-2.10 { |
db eval { |
DELETE FROM result4; |
CREATE TRIGGER r5u INSTEAD OF UPDATE ON v5 BEGIN |
INSERT INTO result4(a,b,c,d) VALUES(old.x, old.b, new.x, new.b); |
END; |
UPDATE v5 SET b = b+9900000 WHERE x BETWEEN 3 AND 5; |
SELECT * FROM result4 ORDER BY a; |
} |
} {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504} |
|
# Only run the reamining tests if memory debugging is turned on. |
# |
ifcapable !memdebug { |
puts "Skipping triggerA malloc tests: not compiled with -DSQLITE_MEMDEBUG..." |
finish_test |
return |
} |
source $testdir/malloc_common.tcl |
|
# Save a copy of the current database configuration. |
# |
db close |
file delete -force test.db-triggerA |
file copy test.db test.db-triggerA |
sqlite3 db test.db |
|
# Run malloc tests on the INSTEAD OF trigger firing. |
# |
do_malloc_test triggerA-3 -tclprep { |
db close |
file delete -force test.db test.db-journal |
file copy -force test.db-triggerA test.db |
sqlite3 db test.db |
sqlite3_extended_result_codes db 1 |
db eval {SELECT * FROM v5; -- warm up the cache} |
} -sqlbody { |
DELETE FROM v5 WHERE x=5; |
UPDATE v5 SET b=b+9900000 WHERE x BETWEEN 3 AND 5; |
} |
|
# Clean up the saved database copy. |
# |
file delete -force test.db-triggerA |
|
finish_test |