155 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
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			155 lines
		
	
	
		
			4.4 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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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| 
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| 
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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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| 
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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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| 
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| do_test savepoint2-1 {
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|   wal_set_journal_mode
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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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| wal_check_journal_mode savepoint2-1.1
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| 
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| unset -nocomplain ::sig
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| unset -nocomplain SQL
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| 
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| set iterations 20
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| 
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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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| 
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| 
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| 
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| for {set ii 2} {$ii < ($iterations+2)} {incr ii} {
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| 
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|   # Record the database signature. Optionally (every second run) open a
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|   # transaction. In all cases open savepoint "one", which may or may
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|   # not be a transaction savepoint, depending on whether or not a real
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|   # transaction has been opened.
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|   #
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|   do_test savepoint2-$ii.1 {
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|     if {$ii % 2} { execsql BEGIN }
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|     set ::sig(one) [signature]
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|     execsql "SAVEPOINT one"
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|   } {}
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| 
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|   # Execute some SQL on the database. Then rollback to savepoint "one".
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|   # Check that the database signature is as it was when "one" was opened.
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|   # 
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|   do_test savepoint2-$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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| 
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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 $SQL(1)
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|     set ::sig(two) [signature]
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|     execsql "SAVEPOINT two"
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|   } {}
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| 
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|   # More SQL changes. The rollback to savepoint "two". Check that the 
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|   # signature is as it was when savepoint "two" was opened.
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|   #
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|   do_test savepoint2-$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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| 
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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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|   } $::sig(one)
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| 
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|   # By this point the database is in the same state as it was at the 
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|   # top of the for{} loop (everything having been rolled back by the 
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|   # "ROLLBACK TO one" command above). So make a few changes to the 
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|   # database and COMMIT the open transaction, so that the next iteration
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|   # of the for{} loop works on a different dataset.
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|   # 
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|   # The transaction being committed here may have been opened normally using
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|   # "BEGIN", or may have been opened using a transaction savepoint created
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|   # by the "SAVEPOINT one" statement.
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|   #
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|   do_test savepoint2-$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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|   # Check that the connection is still running in WAL mode.
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|   wal_check_journal_mode savepoint2-$ii.7
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| }
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| 
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| unset -nocomplain ::sig
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| unset -nocomplain SQL
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| 
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| finish_test
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