mirror of https://github.com/sqlite/sqlite
Add a test case to waloverwrite.test to check that savepoint rollback does not cause a problem.
FossilOrigin-Name: 87dae56c322454094d445e474ae36a4f464272a4
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@ -1,5 +1,5 @@
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C Improved\stestability.
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D 2016-01-11T00:52:32.218
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C Add\sa\stest\scase\sto\swaloverwrite.test\sto\scheck\sthat\ssavepoint\srollback\sdoes\snot\scause\sa\sproblem.
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D 2016-01-11T08:12:40.471
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F Makefile.in 7c8cc4c2f0179efc6fa9492141d1fb65f4807054
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F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
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F Makefile.msc e45d8b9b56dfa3f2cd860b2c28bd9d304513b042
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@ -1301,7 +1301,7 @@ F test/walfault.test 1f8389f7709877e9b4cc679033d71d6fe529056b
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F test/walhook.test ed00a40ba7255da22d6b66433ab61fab16a63483
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F test/walmode.test 4022fe03ae6e830583672caa101f046438a0473c
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F test/walnoshm.test 84ca10c544632a756467336b7c3b864d493ee496
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F test/waloverwrite.test 59476a2cf0638a057ced738b62dc719ed4e32e53
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F test/waloverwrite.test 8702964967c2f28204f0b4f27af65da81999fc99
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F test/walpersist.test 8c6b7e3ec1ba91b5e4dc4e0921d6d3f87cd356a6
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F test/walro.test 34422d1d95aaff0388f0791ec20edb34e2a3ed57
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F test/walshared.test 0befc811dcf0b287efae21612304d15576e35417
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@ -1407,7 +1407,7 @@ F tool/vdbe_profile.tcl 246d0da094856d72d2c12efec03250d71639d19f
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F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
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F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
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F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
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P 99b31a6b491c1c51227f478d3713b020d37a17cf
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R d76e78fad37168874a95f2cf1af1f963
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U drh
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Z b9a236105d87275bc956baaa16673a98
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P e83d3a2a4e06665e8a056f63063bd6df03f063b9
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R 328bc4f1800dd81a2ef2edb5973d61be
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U dan
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Z 271430cf4c8b2d1a2970f55a9b9d9220
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@ -1 +1 @@
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e83d3a2a4e06665e8a056f63063bd6df03f063b9
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87dae56c322454094d445e474ae36a4f464272a4
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@ -22,18 +22,28 @@ ifcapable !wal {finish_test ; return }
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# Simple test:
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#
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# 1. Create a database of blobs roughly 50 pages in size.
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# Test cases *.1 - *.6:
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#
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# 2. Set the db cache size to something much smaller than this (5 pages)
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# + Create a database of blobs roughly 50 pages in size.
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#
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# 3. Within a transaction, loop through the set of blobs 5 times. Update
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# + Set the db cache size to something much smaller than this (5 pages)
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#
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# + Within a transaction, loop through the set of blobs 5 times. Update
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# each blob as it is visited.
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#
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# 4. Test that the wal file is roughly 50 pages in size - even though many
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# + Test that the wal file is roughly 50 pages in size - even though many
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# database pages have been written to it multiple times.
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#
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# 5. Take a copy of the database and wal file. Test that recovery can
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# be run on it.
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# + Take a copy of the database and wal file. Test that recovery can
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# be run on it.
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#
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# Test cases *.7 - *.9:
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#
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# + Same thing, but before committing the statement transaction open
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# a SAVEPOINT, update the blobs another 5 times, then roll it back.
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#
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# + Check that if recovery is run on the resulting wal file, the rolled
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# back changes from within the SAVEPOINT are not present in the db.
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#
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# The above is run twice - once where the wal file is empty at the start of
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# step 3 (tn==1) and once where it already contains a transaction (tn==2).
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@ -45,6 +55,7 @@ foreach {tn xtra} {
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reset_db
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do_execsql_test 1.$tn.0 {
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CREATE TABLE t1(x, y);
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CREATE TABLE t2(x, y);
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CREATE INDEX i1y ON t1(y);
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WITH cnt(i) AS (
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@ -98,6 +109,55 @@ foreach {tn xtra} {
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do_test 1.$tn.6 {
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execsql { PRAGMA integrity_check } db2
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} ok
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db2 close
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do_test 1.$tn.7 {
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execsql { PRAGMA wal_checkpoint }
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db transaction {
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for {set i 0} {$i < 1} {incr i} {
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foreach x [db eval {SELECT x FROM t1}] {
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execsql { UPDATE t1 SET y = randomblob(798) WHERE x=$x }
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}
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}
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execsql {
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WITH cnt(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM cnt WHERE i<20)
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INSERT INTO t2 SELECT i, randomblob(800) FROM cnt;
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}
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execsql {SAVEPOINT abc}
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for {set i 0} {$i < 5} {incr i} {
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foreach x [db eval {SELECT x FROM t1}] {
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execsql { UPDATE t1 SET y = randomblob(797) WHERE x=$x }
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}
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}
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breakpoint
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execsql {ROLLBACK TO abc}
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}
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set nPg [wal_frame_count test.db-wal 1024]
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expr $nPg>55 && $nPg<75
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} {1}
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do_test 1.$tn.8 {
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forcedelete test.db2 test.db2-wal
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forcecopy test.db test.db2
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sqlite3 db2 test.db2
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execsql { SELECT sum(length(y)) FROM t1 } db2
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} [expr 20*799]
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do_test 1.$tn.9 {
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db2 close
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forcecopy test.db-wal test.db2-wal
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sqlite3 db2 test.db2
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execsql { SELECT sum(length(y)) FROM t1 } db2
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} [expr 20*798]
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do_test 1.$tn.9 {
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execsql { PRAGMA integrity_check } db2
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} ok
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db2 close
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}
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finish_test
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