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# 2014 August 16
#
# 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.
#
#***********************************************************************
#
#
if {![info exists testdir]} {
set testdir [file join [file dirname [info script]] .. .. test]
}
source [file join [file dirname [info script]] session_common.tcl]
source $testdir/tester.tcl
ifcapable !session {finish_test; return}
set testprefix sessionC
#-------------------------------------------------------------------------
# Test the outcome of a DELETE operation made as part of applying a
# changeset failing with SQLITE_CONSTRAINT. This may happen if an
# ON DELETE RESTRICT foreign key action is triggered, or if a trigger
# program raises a constraint somehow.
#
# UPDATE: The above is no longer true, as "PRAGMA defer_foreign_keys"
# now disables "RESTRICT" processing. The test below has been rewritten
# to use a trigger instead of a foreign key to test this case.
#
do_execsql_test 1.0 {
PRAGMA foreign_keys = 1;
CREATE TABLE p(a PRIMARY KEY, b, c);
CREATE TABLE c(d PRIMARY KEY, e /* REFERENCES p ON DELETE RESTRICT */);
CREATE TRIGGER restrict_trig BEFORE DELETE ON p BEGIN
SELECT raise(ABORT, 'error!') FROM c WHERE e=old.a;
END;
INSERT INTO p VALUES('one', 1, 1);
INSERT INTO p VALUES('two', 2, 2);
INSERT INTO p VALUES('three', 3, 3);
INSERT INTO c VALUES(1, 'one');
INSERT INTO c VALUES(3, 'three');
}
do_test 1.1 {
execsql BEGIN
set C [changeset_from_sql {
INSERT INTO c VALUES(4, 'one');
DELETE FROM p WHERE a='two';
}]
execsql ROLLBACK
execsql {
INSERT INTO c VALUES(2, 'two');
}
} {}
do_test 1.2.1 {
proc xConflict {args} { return "ABORT" }
catch { sqlite3changeset_apply db $C xConflict } msg
set msg
} {SQLITE_ABORT}
do_execsql_test 1.2.2 { SELECT * FROM c } {1 one 3 three 2 two}
do_test 1.3.1 {
proc xConflict {args} { return "OMIT" }
catch { sqlite3changeset_apply db $C xConflict } msg
set msg
} {}
do_execsql_test 1.3.2 { SELECT * FROM c } {1 one 3 three 2 two 4 one}
do_execsql_test 1.3.3 {
SELECT * FROM p;
} {one 1 1 two 2 2 three 3 3}
#-------------------------------------------------------------------------
# Test that concatenating a changeset with a patchset does not work.
# Any attempt to do so returns SQLITE_ERROR.
#
reset_db
do_execsql_test 2.0 {
CREATE TABLE x1(t, v PRIMARY KEY);
INSERT INTO x1 VALUES(12, 55);
INSERT INTO x1 VALUES(55, 14);
}
do_test 2.1 {
execsql BEGIN
sqlite3session S1 db main
S1 attach *
execsql {
UPDATE x1 SET t=13 WHERE v=55;
INSERT INTO x1 VALUES(99, 123);
}
set patchset [S1 patchset]
S1 delete
sqlite3session S1 db main
S1 attach *
execsql {
UPDATE x1 SET t=56 WHERE v=14;
INSERT INTO x1 VALUES(22, 998);
}
set changeset [S1 changeset]
S1 delete
execsql ROLLBACK
} {}
do_test 2.2 {
set rc [catch { sqlite3changeset_concat $patchset $changeset } msg]
list $rc $msg
} {1 SQLITE_ERROR}
do_test 2.3 {
set rc [catch { sqlite3changeset_concat $changeset $patchset } msg]
list $rc $msg
} {1 SQLITE_ERROR}
do_test 2.4 {
set rc [catch { sqlite3changeset_concat {} $patchset } msg]
list $rc $msg
} [list 0 $patchset]
do_test 2.5 {
set rc [catch { sqlite3changeset_concat $patchset {} } msg]
list $rc $msg
} [list 0 $patchset]
do_test 2.6 {
set rc [catch { sqlite3changeset_concat {} $changeset } msg]
list $rc $msg
} [list 0 $changeset]
do_test 2.7 {
set rc [catch { sqlite3changeset_concat $changeset {} } msg]
list $rc $msg
} [list 0 $changeset]
do_test 2.8 {
set rc [catch { sqlite3changeset_concat {} {} } msg]
list $rc $msg
} [list 0 {}]
#-------------------------------------------------------------------------
# Test that the xFilter argument to sqlite3changeset_apply() works.
#
reset_db
do_execsql_test 3.0 {
CREATE TABLE t1(a PRIMARY KEY, b);
CREATE TABLE t2(a PRIMARY KEY, b);
CREATE TABLE t3(a PRIMARY KEY, b);
}
do_test 3.1 {
execsql BEGIN
set changeset [changeset_from_sql {
INSERT INTO t1 VALUES(1, 1);
INSERT INTO t2 VALUES(2, 2);
INSERT INTO t3 VALUES(3, 3);
}]
execsql ROLLBACK
} {}
do_test 3.2 {
proc xFilter {zName} {
if {$zName == "t1"} { return 1 }
return 0
}
sqlite3changeset_apply db $changeset noop xFilter
execsql {
SELECT * FROM t1;
SELECT * FROM t2;
SELECT * FROM t3;
}
} {1 1}
do_test 3.3 {
proc xFilter {zName} {
if {$zName == "t3"} { return 1 }
return 0
}
sqlite3changeset_apply db $changeset noop xFilter
execsql {
SELECT * FROM t1;
SELECT * FROM t2;
SELECT * FROM t3;
}
} {1 1 3 3}
finish_test
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