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Add the savepoint feature. This feature is largely untested at this point. (CVS 6036)

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FossilOrigin-Name: 34b56600ec0c5cd7b5faab265750252bc9850e3e
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danielk1977
2008-12-17 17:30:26 +00:00
parent f0f9f75443
commit fd7f045225
14 changed files with 820 additions and 251 deletions
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test/savepoint.test Normal file
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# 2008 December 15
#
# 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.
#
#***********************************************************************
#
# $Id: savepoint.test,v 1.1 2008/12/17 17:30:26 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
#----------------------------------------------------------------------
# The following tests - savepoint-1.* - test that the SAVEPOINT, RELEASE
# and ROLLBACK TO comands are correctly parsed, and that the auto-commit
# flag is correctly set and unset as a result.
#
do_test savepoint-1.1 {
execsql {
SAVEPOINT sp1;
RELEASE sp1;
}
} {}
do_test savepoint-1.2 {
execsql {
SAVEPOINT sp1;
ROLLBACK TO sp1;
}
} {}
do_test savepoint-1.3 {
execsql { SAVEPOINT sp1 }
db close
} {}
sqlite3 db test.db
do_test savepoint-1.4.1 {
execsql {
SAVEPOINT sp1;
SAVEPOINT sp2;
RELEASE sp1;
}
sqlite3_get_autocommit db
} {1}
do_test savepoint-1.4.2 {
execsql {
SAVEPOINT sp1;
SAVEPOINT sp2;
RELEASE sp2;
}
sqlite3_get_autocommit db
} {0}
do_test savepoint-1.4.3 {
execsql { RELEASE sp1 }
sqlite3_get_autocommit db
} {1}
do_test savepoint-1.4.4 {
execsql {
SAVEPOINT sp1;
SAVEPOINT sp2;
ROLLBACK TO sp1;
}
sqlite3_get_autocommit db
} {0}
do_test savepoint-1.4.5 {
execsql { RELEASE SAVEPOINT sp1 }
sqlite3_get_autocommit db
} {1}
do_test savepoint-1.4.6 {
execsql {
SAVEPOINT sp1;
SAVEPOINT sp2;
SAVEPOINT sp3;
ROLLBACK TO SAVEPOINT sp3;
ROLLBACK TRANSACTION TO sp2;
ROLLBACK TRANSACTION TO SAVEPOINT sp1;
}
sqlite3_get_autocommit db
} {0}
do_test savepoint-1.4.7 {
execsql { RELEASE SAVEPOINT SP1 }
sqlite3_get_autocommit db
} {1}
do_test savepoint-1.5 {
execsql {
SAVEPOINT sp1;
ROLLBACK TO sp1;
}
} {}
do_test savepoint-1.6 {
execsql COMMIT
} {}
#------------------------------------------------------------------------
# These tests - savepoint-2.* - test rollbacks and releases of savepoints
# with a very simple data set.
#
do_test savepoint-2.1 {
execsql {
CREATE TABLE t1(a, b, c);
BEGIN;
INSERT INTO t1 VALUES(1, 2, 3);
SAVEPOINT one;
UPDATE t1 SET a = 2, b = 3, c = 4;
}
execsql { SELECT * FROM t1 }
} {2 3 4}
do_test savepoint-2.2 {
execsql {
ROLLBACK TO one;
}
execsql { SELECT * FROM t1 }
} {1 2 3}
do_test savepoint-2.3 {
execsql {
INSERT INTO t1 VALUES(4, 5, 6);
}
execsql { SELECT * FROM t1 }
} {1 2 3 4 5 6}
do_test savepoint-2.4 {
execsql {
ROLLBACK TO one;
}
execsql { SELECT * FROM t1 }
} {1 2 3}
do_test savepoint-2.5 {
execsql {
INSERT INTO t1 VALUES(7, 8, 9);
SAVEPOINT two;
INSERT INTO t1 VALUES(10, 11, 12);
}
execsql { SELECT * FROM t1 }
} {1 2 3 7 8 9 10 11 12}
do_test savepoint-2.6 {
execsql {
ROLLBACK TO two;
}
execsql { SELECT * FROM t1 }
} {1 2 3 7 8 9}
do_test savepoint-2.7 {
execsql {
INSERT INTO t1 VALUES(10, 11, 12);
}
execsql { SELECT * FROM t1 }
} {1 2 3 7 8 9 10 11 12}
do_test savepoint-2.8 {
execsql {
ROLLBACK TO one;
}
execsql { SELECT * FROM t1 }
} {1 2 3}
do_test savepoint-2.9 {
execsql {
INSERT INTO t1 VALUES('a', 'b', 'c');
SAVEPOINT two;
INSERT INTO t1 VALUES('d', 'e', 'f');
}
execsql { SELECT * FROM t1 }
} {1 2 3 a b c d e f}
do_test savepoint-2.10 {
execsql {
RELEASE two;
}
execsql { SELECT * FROM t1 }
} {1 2 3 a b c d e f}
do_test savepoint-2.11 {
execsql {
ROLLBACK;
}
execsql { SELECT * FROM t1 }
} {}
#------------------------------------------------------------------------
# This block of tests - savepoint-3.* - test that when a transaction
# savepoint is rolled back, locks are not released from database files.
# And that when a transaction savepoint is released, they are released.
#
do_test savepoint-3.1 {
execsql { SAVEPOINT "transaction" }
execsql { PRAGMA lock_status }
} {main unlocked temp closed}
do_test savepoint-3.2 {
execsql { INSERT INTO t1 VALUES(1, 2, 3) }
execsql { PRAGMA lock_status }
} {main reserved temp closed}
do_test savepoint-3.3 {
execsql { ROLLBACK TO "transaction" }
execsql { PRAGMA lock_status }
} {main reserved temp closed}
do_test savepoint-3.4 {
execsql { INSERT INTO t1 VALUES(1, 2, 3) }
execsql { PRAGMA lock_status }
} {main reserved temp closed}
do_test savepoint-3.5 {
execsql { RELEASE "transaction" }
execsql { PRAGMA lock_status }
} {main unlocked temp closed}
#------------------------------------------------------------------------
# Test that savepoints that include schema modifications are handled
# correctly. Test cases savepoint-4.*.
#
do_test savepoint-4.1 {
execsql {
CREATE TABLE t2(d, e, f);
SELECT sql FROM sqlite_master;
}
} {{CREATE TABLE t1(a, b, c)} {CREATE TABLE t2(d, e, f)}}
do_test savepoint-4.2 {
execsql {
BEGIN;
CREATE TABLE t3(g,h);
INSERT INTO t3 VALUES('I', 'II');
SAVEPOINT one;
DROP TABLE t3;
}
} {}
do_test savepoint-4.3 {
execsql {
CREATE TABLE t3(g, h, i);
INSERT INTO t3 VALUES('III', 'IV', 'V');
}
execsql {SELECT * FROM t3}
} {III IV V}
do_test savepoint-4.4 {
execsql { ROLLBACK TO one; }
execsql {SELECT * FROM t3}
} {I II}
do_test savepoint-4.5 {
execsql {
ROLLBACK;
SELECT sql FROM sqlite_master;
}
} {{CREATE TABLE t1(a, b, c)} {CREATE TABLE t2(d, e, f)}}
do_test savepoint-4.6 {
execsql {
BEGIN;
INSERT INTO t1 VALUES('o', 't', 't');
SAVEPOINT sp1;
CREATE TABLE t3(a, b, c);
INSERT INTO t3 VALUES('z', 'y', 'x');
}
execsql {SELECT * FROM t3}
} {z y x}
do_test savepoint-4.7 {
execsql {
ROLLBACK TO sp1;
CREATE TABLE t3(a);
INSERT INTO t3 VALUES('value');
}
execsql {SELECT * FROM t3}
} {value}
do_test savepoint-4.8 {
execsql COMMIT
} {}
finish_test