149 lines
4.2 KiB
Plaintext
149 lines
4.2 KiB
Plaintext
# 2008 December 15
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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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#
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# $Id: savepoint2.test,v 1.5 2009/06/05 17:09:12 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Tests in this file are quite similar to those run by trans.test and
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# avtrans.test.
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#
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proc signature {} {
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return [db eval {SELECT count(*), md5sum(x) FROM t3}]
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}
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do_test savepoint2-1 {
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execsql {
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PRAGMA cache_size=10;
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BEGIN;
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CREATE TABLE t3(x TEXT);
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INSERT INTO t3 VALUES(randstr(10,400));
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INSERT INTO t3 VALUES(randstr(10,400));
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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COMMIT;
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SELECT count(*) FROM t3;
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}
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} {1024}
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unset -nocomplain ::sig
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unset -nocomplain SQL
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set iterations 20
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set SQL(1) {
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DELETE FROM t3 WHERE random()%10!=0;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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}
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set SQL(2) {
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DELETE FROM t3 WHERE random()%10!=0;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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DELETE FROM t3 WHERE random()%10!=0;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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}
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set SQL(3) {
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UPDATE t3 SET x = randstr(10, 400) WHERE random()%10;
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INSERT INTO t3 SELECT x FROM t3 WHERE random()%10;
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DELETE FROM t3 WHERE random()%10;
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}
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set SQL(4) {
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INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE (random()%10 == 0);
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}
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for {set ii 2} {$ii < ($iterations+2)} {incr ii} {
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# Record the database signature. Optionally (every second run) open a
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# transaction. In all cases open savepoint "one", which may or may
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# not be a transaction savepoint, depending on whether or not a real
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# transaction has been opened.
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#
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do_test savepoint2-$ii.1 {
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if {$ii % 2} { execsql BEGIN }
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set ::sig(one) [signature]
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execsql "SAVEPOINT one"
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} {}
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# Execute some SQL on the database. Then rollback to savepoint "one".
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# Check that the database signature is as it was when "one" was opened.
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#
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do_test savepoint2-$ii.2 {
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execsql $SQL(1)
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execsql "ROLLBACK to one"
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signature
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} $::sig(one)
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integrity_check savepoint2-$ii.2.1
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# Execute some SQL. Then open savepoint "two". Savepoint "two" is therefore
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# nested in savepoint "one".
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#
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do_test savepoint2-$ii.3 {
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execsql $SQL(1)
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set ::sig(two) [signature]
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execsql "SAVEPOINT two"
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} {}
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# More SQL changes. The rollback to savepoint "two". Check that the
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# signature is as it was when savepoint "two" was opened.
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#
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do_test savepoint2-$ii.4 {
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execsql $SQL(2)
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execsql "ROLLBACK to two"
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signature
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} $::sig(two)
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integrity_check savepoint2-$ii.4.1
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# More SQL changes. The rollback to savepoint "two". Check that the
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# signature is as it was when savepoint "two" was opened.
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#
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do_test savepoint2-$ii.5 {
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execsql $SQL(2)
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execsql "SAVEPOINT three"
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execsql $SQL(3)
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execsql "RELEASE three"
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execsql "ROLLBACK to one"
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signature
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} $::sig(one)
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# By this point the database is in the same state as it was at the
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# top of the for{} loop (everything having been rolled back by the
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# "ROLLBACK TO one" command above). So make a few changes to the
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# database and COMMIT the open transaction, so that the next iteration
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# of the for{} loop works on a different dataset.
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#
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# The transaction being committed here may have been opened normally using
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# "BEGIN", or may have been opened using a transaction savepoint created
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# by the "SAVEPOINT one" statement.
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#
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do_test savepoint2-$ii.6 {
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execsql $SQL(4)
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execsql COMMIT
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sqlite3_get_autocommit db
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} {1}
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integrity_check savepoint2-$ii.6.1
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}
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unset -nocomplain ::sig
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unset -nocomplain SQL
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finish_test
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