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Within the special new.* and old.* tables of a trigger, recognize all the

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original table names even if those names overload the "rowid", "oid", or
"_rowid_" special names.  Ticket [34d2ae1c6d0].

FossilOrigin-Name: 1a0e5fa9f0ff792c678c99d49960601a0cef925b
This commit is contained in:
drh
2009-12-29 23:39:04 +00:00
parent 8718183ea5
commit 25e978df92
4 changed files with 154 additions and 18 deletions
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test/triggerD.test Normal file
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# 2009 December 29
#
# 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.
#
#***********************************************************************
#
# Verify that when columns named "rowid", "oid", and "_rowid_" appear
# in a table as ordinary columns (not as the INTEGER PRIMARY KEY) then
# the use of these columns in triggers will refer to the column and not
# to the actual ROWID. Ticket [34d2ae1c6d08b5271ba5e5592936d4a1d913ffe3]
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!trigger} {
finish_test
return
}
# Triggers on tables where the table has ordinary columns named
# rowid, oid, and _rowid_.
#
do_test triggerD-1.1 {
db eval {
CREATE TABLE t1(rowid, oid, _rowid_, x);
CREATE TABLE log(a,b,c,d,e);
CREATE TRIGGER r1 BEFORE INSERT ON t1 BEGIN
INSERT INTO log VALUES('r1', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r2 AFTER INSERT ON t1 BEGIN
INSERT INTO log VALUES('r2', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r3 BEFORE UPDATE ON t1 BEGIN
INSERT INTO log VALUES('r3.old', old.rowid, old.oid, old._rowid_, old.x);
INSERT INTO log VALUES('r3.new', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r4 AFTER UPDATE ON t1 BEGIN
INSERT INTO log VALUES('r4.old', old.rowid, old.oid, old._rowid_, old.x);
INSERT INTO log VALUES('r4.new', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r5 BEFORE DELETE ON t1 BEGIN
INSERT INTO log VALUES('r5', old.rowid, old.oid, old._rowid_, old.x);
END;
CREATE TRIGGER r6 AFTER DELETE ON t1 BEGIN
INSERT INTO log VALUES('r6', old.rowid, old.oid, old._rowid_, old.x);
END;
}
} {}
do_test triggerD-1.2 {
db eval {
INSERT INTO t1 VALUES(100,200,300,400);
SELECT * FROM log
}
} {r1 100 200 300 400 r2 100 200 300 400}
do_test triggerD-1.3 {
db eval {
DELETE FROM log;
UPDATE t1 SET rowid=rowid+1;
SELECT * FROM log
}
} {r3.old 100 200 300 400 r3.new 101 200 300 400 r4.old 100 200 300 400 r4.new 101 200 300 400}
do_test triggerD-1.4 {
db eval {
DELETE FROM log;
DELETE FROM t1;
SELECT * FROM log
}
} {r5 101 200 300 400 r6 101 200 300 400}
# Triggers on tables where the table does not have ordinary columns named
# rowid, oid, and _rowid_.
#
do_test triggerD-2.1 {
db eval {
DROP TABLE t1;
CREATE TABLE t1(w,x,y,z);
CREATE TRIGGER r1 BEFORE INSERT ON t1 BEGIN
INSERT INTO log VALUES('r1', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r2 AFTER INSERT ON t1 BEGIN
INSERT INTO log VALUES('r2', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r3 BEFORE UPDATE ON t1 BEGIN
INSERT INTO log VALUES('r3.old', old.rowid, old.oid, old._rowid_, old.x);
INSERT INTO log VALUES('r3.new', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r4 AFTER UPDATE ON t1 BEGIN
INSERT INTO log VALUES('r4.old', old.rowid, old.oid, old._rowid_, old.x);
INSERT INTO log VALUES('r4.new', new.rowid, new.oid, new._rowid_, new.x);
END;
CREATE TRIGGER r5 BEFORE DELETE ON t1 BEGIN
INSERT INTO log VALUES('r5', old.rowid, old.oid, old._rowid_, old.x);
END;
CREATE TRIGGER r6 AFTER DELETE ON t1 BEGIN
INSERT INTO log VALUES('r6', old.rowid, old.oid, old._rowid_, old.x);
END;
}
} {}
do_test triggerD-2.2 {
db eval {
DELETE FROM log;
INSERT INTO t1 VALUES(100,200,300,400);
SELECT * FROM log;
}
} {r1 -1 -1 -1 200 r2 1 1 1 200}
do_test triggerD-2.3 {
db eval {
DELETE FROM log;
UPDATE t1 SET x=x+1;
SELECT * FROM log
}
} {r3.old 1 1 1 200 r3.new 1 1 1 201 r4.old 1 1 1 200 r4.new 1 1 1 201}
do_test triggerD-2.4 {
db eval {
DELETE FROM log;
DELETE FROM t1;
SELECT * FROM log
}
} {r5 1 1 1 201 r6 1 1 1 201}
finish_test