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Make explicit the restrictions on UPDATE, DELETE, and INSERT statement syntax

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within triggers.  Ticket #3947. (CVS 6840)

FossilOrigin-Name: c8bf40df7be728b11bb633516d1988c6064a9d70
This commit is contained in:
drh
2009-07-03 15:37:27 +00:00
parent 06150f95e8
commit b1819a0b95
5 changed files with 117 additions and 28 deletions
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60
test/trigger1.test
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@ -639,4 +639,64 @@ do_test trigger1-15.2 {
catchsql { INSERT INTO tA VALUES('abc', 2, 3) }
} {1 {datatype mismatch}}
# Ticket #3947: Do not allow qualified table names on INSERT, UPDATE, and
# DELETE statements within triggers. Actually, this has never been allowed
# by the grammar. But the error message is confusing: one simply gets a
# "syntax error". That has now been changed to give a full error message.
#
do_test trigger1-16.1 {
db eval {
CREATE TABLE t16(a,b,c);
CREATE INDEX t16a ON t16(a);
CREATE INDEX t16b ON t16(b);
}
catchsql {
CREATE TRIGGER main.t16err1 AFTER INSERT ON tA BEGIN
INSERT INTO main.t16 VALUES(1,2,3);
END;
}
} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}}
do_test trigger1-16.2 {
catchsql {
CREATE TRIGGER main.t16err2 AFTER INSERT ON tA BEGIN
UPDATE main.t16 SET rowid=rowid+1;
END;
}
} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}}
do_test trigger1-16.3 {
catchsql {
CREATE TRIGGER main.t16err3 AFTER INSERT ON tA BEGIN
DELETE FROM main.t16;
END;
}
} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}}
do_test trigger1-16.4 {
catchsql {
CREATE TRIGGER main.t16err4 AFTER INSERT ON tA BEGIN
UPDATE t16 NOT INDEXED SET rowid=rowid+1;
END;
}
} {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}}
do_test trigger1-16.5 {
catchsql {
CREATE TRIGGER main.t16err5 AFTER INSERT ON tA BEGIN
UPDATE t16 INDEXED BY t16a SET rowid=rowid+1 WHERE a=1;
END;
}
} {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}}
do_test trigger1-16.6 {
catchsql {
CREATE TRIGGER main.t16err6 AFTER INSERT ON tA BEGIN
DELETE FROM t16 NOT INDEXED WHERE a=123;
END;
}
} {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}}
do_test trigger1-16.7 {
catchsql {
CREATE TRIGGER main.t16err7 AFTER INSERT ON tA BEGIN
DELETE FROM t16 INDEXED BY t16a WHERE a=123;
END;
}
} {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}}
finish_test