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231 lines
6.4 KiB
Plaintext
231 lines
6.4 KiB
Plaintext
# 2008 February 12
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. Specifically,
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# it tests issues relating to firing an INSTEAD OF trigger on a VIEW
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# when one tries to UPDATE or DELETE from the view. Does the WHERE
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# clause of the UPDATE or DELETE statement get passed down correctly
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# into the query that manifests the view?
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#
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# Ticket #2938
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !trigger||!compound {
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finish_test
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return
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}
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# Create two table containing some sample data
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#
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do_test triggerA-1.1 {
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db eval {
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CREATE TABLE t1(x INTEGER PRIMARY KEY, y TEXT UNIQUE);
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CREATE TABLE t2(a INTEGER PRIMARY KEY, b INTEGER UNIQUE, c TEXT);
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}
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set i 1
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foreach word {one two three four five six seven eight nine ten} {
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set j [expr {$i*100 + [string length $word]}]
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db eval {
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INSERT INTO t1 VALUES($i,$word);
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INSERT INTO t2 VALUES(20-$i,$j,$word);
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}
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incr i
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}
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db eval {
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SELECT count(*) FROM t1 UNION ALL SELECT count(*) FROM t2;
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}
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} {10 10}
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# Create views of various forms against one or both of the two tables.
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#
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do_test triggerA-1.2 {
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db eval {
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CREATE VIEW v1 AS SELECT y, x FROM t1;
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SELECT * FROM v1 ORDER BY 1;
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}
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} {eight 8 five 5 four 4 nine 9 one 1 seven 7 six 6 ten 10 three 3 two 2}
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do_test triggerA-1.3 {
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db eval {
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CREATE VIEW v2 AS SELECT x, y FROM t1 WHERE y GLOB '*e*';
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SELECT * FROM v2 ORDER BY 1;
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}
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} {1 one 3 three 5 five 7 seven 8 eight 9 nine 10 ten}
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do_test triggerA-1.4 {
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db eval {
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CREATE VIEW v3 AS
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SELECT CAST(x AS TEXT) AS c1 FROM t1 UNION SELECT y FROM t1;
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SELECT * FROM v3 ORDER BY c1;
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}
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} {1 10 2 3 4 5 6 7 8 9 eight five four nine one seven six ten three two}
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do_test triggerA-1.5 {
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db eval {
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CREATE VIEW v4 AS
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SELECT CAST(x AS TEXT) AS c1 FROM t1
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UNION SELECT y FROM t1 WHERE x BETWEEN 3 and 5;
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SELECT * FROM v4 ORDER BY 1;
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}
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} {1 10 2 3 4 5 6 7 8 9 five four three}
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do_test triggerA-1.6 {
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db eval {
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CREATE VIEW v5 AS SELECT x, b FROM t1, t2 WHERE y=c;
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SELECT * FROM v5 ORDER BY x DESC;
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}
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} {10 1003 9 904 8 805 7 705 6 603 5 504 4 404 3 305 2 203 1 103}
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# Create INSTEAD OF triggers on the views. Run UPDATE and DELETE statements
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# using those triggers. Verify correct operation.
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#
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do_test triggerA-2.1 {
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db eval {
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CREATE TABLE result2(a,b);
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CREATE TRIGGER r1d INSTEAD OF DELETE ON v1 BEGIN
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INSERT INTO result2(a,b) VALUES(old.y, old.x);
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END;
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DELETE FROM v1 WHERE x=5;
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SELECT * FROM result2;
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}
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} {five 5}
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do_test triggerA-2.2 {
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db eval {
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CREATE TABLE result4(a,b,c,d);
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CREATE TRIGGER r1u INSTEAD OF UPDATE ON v1 BEGIN
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INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x);
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END;
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UPDATE v1 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5;
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SELECT * FROM result4 ORDER BY a;
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}
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} {five 5 five-extra 5 four 4 four-extra 4 three 3 three-extra 3}
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do_test triggerA-2.3 {
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db eval {
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DELETE FROM result2;
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CREATE TRIGGER r2d INSTEAD OF DELETE ON v2 BEGIN
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INSERT INTO result2(a,b) VALUES(old.y, old.x);
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END;
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DELETE FROM v2 WHERE x=5;
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SELECT * FROM result2;
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}
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} {five 5}
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do_test triggerA-2.4 {
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db eval {
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DELETE FROM result4;
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CREATE TRIGGER r2u INSTEAD OF UPDATE ON v2 BEGIN
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INSERT INTO result4(a,b,c,d) VALUES(old.y, old.x, new.y, new.x);
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END;
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UPDATE v2 SET y=y||'-extra' WHERE x BETWEEN 3 AND 5;
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SELECT * FROM result4 ORDER BY a;
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}
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} {five 5 five-extra 5 three 3 three-extra 3}
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do_test triggerA-2.5 {
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db eval {
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CREATE TABLE result1(a);
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CREATE TRIGGER r3d INSTEAD OF DELETE ON v3 BEGIN
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INSERT INTO result1(a) VALUES(old.c1);
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END;
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DELETE FROM v3 WHERE c1 BETWEEN '8' AND 'eight';
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SELECT * FROM result1 ORDER BY a;
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}
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} {8 9 eight}
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do_test triggerA-2.6 {
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db eval {
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DELETE FROM result2;
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CREATE TRIGGER r3u INSTEAD OF UPDATE ON v3 BEGIN
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INSERT INTO result2(a,b) VALUES(old.c1, new.c1);
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END;
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UPDATE v3 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight';
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SELECT * FROM result2 ORDER BY a;
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}
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} {8 8-extra 9 9-extra eight eight-extra}
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do_test triggerA-2.7 {
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db eval {
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DELETE FROM result1;
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CREATE TRIGGER r4d INSTEAD OF DELETE ON v4 BEGIN
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INSERT INTO result1(a) VALUES(old.c1);
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END;
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DELETE FROM v4 WHERE c1 BETWEEN '8' AND 'eight';
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SELECT * FROM result1 ORDER BY a;
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}
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} {8 9}
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do_test triggerA-2.8 {
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db eval {
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DELETE FROM result2;
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CREATE TRIGGER r4u INSTEAD OF UPDATE ON v4 BEGIN
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INSERT INTO result2(a,b) VALUES(old.c1, new.c1);
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END;
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UPDATE v4 SET c1 = c1 || '-extra' WHERE c1 BETWEEN '8' and 'eight';
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SELECT * FROM result2 ORDER BY a;
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}
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} {8 8-extra 9 9-extra}
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do_test triggerA-2.9 {
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db eval {
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DELETE FROM result2;
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CREATE TRIGGER r5d INSTEAD OF DELETE ON v5 BEGIN
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INSERT INTO result2(a,b) VALUES(old.x, old.b);
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END;
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DELETE FROM v5 WHERE x=5;
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SELECT * FROM result2;
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}
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} {5 504}
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do_test triggerA-2.10 {
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db eval {
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DELETE FROM result4;
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CREATE TRIGGER r5u INSTEAD OF UPDATE ON v5 BEGIN
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INSERT INTO result4(a,b,c,d) VALUES(old.x, old.b, new.x, new.b);
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END;
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UPDATE v5 SET b = b+9900000 WHERE x BETWEEN 3 AND 5;
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SELECT * FROM result4 ORDER BY a;
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}
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} {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504}
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do_test triggerA-2.11 {
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db eval {
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DELETE FROM result4;
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UPDATE v5 SET b = main.v5.b+9900000 WHERE main.v5.x BETWEEN 3 AND 5;
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SELECT * FROM result4 ORDER BY a;
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}
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} {3 305 3 9900305 4 404 4 9900404 5 504 5 9900504}
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source $testdir/malloc_common.tcl
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# Save a copy of the current database configuration.
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#
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db close
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forcedelete test.db-triggerA
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copy_file test.db test.db-triggerA
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sqlite3 db test.db
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# Run malloc tests on the INSTEAD OF trigger firing.
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#
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do_malloc_test triggerA-3 -tclprep {
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db close
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forcedelete test.db test.db-journal
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forcecopy test.db-triggerA test.db
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sqlite3 db test.db
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sqlite3_extended_result_codes db 1
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db eval {SELECT * FROM v5; -- warm up the cache}
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} -sqlbody {
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DELETE FROM v5 WHERE x=5;
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UPDATE v5 SET b=b+9900000 WHERE x BETWEEN 3 AND 5;
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}
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# Clean up the saved database copy.
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#
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forcedelete test.db-triggerA
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finish_test
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