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Unified Diff: third_party/sqlite/src/test/pager1.test

Issue 6990047: Import SQLite 3.7.6.3. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 9 years, 7 months ago
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Index: third_party/sqlite/src/test/pager1.test
diff --git a/third_party/sqlite/src/test/pager1.test b/third_party/sqlite/src/test/pager1.test
new file mode 100644
index 0000000000000000000000000000000000000000..8c31e1539c36689863f9d508cf0c6492a07c7a7a
--- /dev/null
+++ b/third_party/sqlite/src/test/pager1.test
@@ -0,0 +1,2414 @@
+# 2010 June 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.
+#
+#***********************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/lock_common.tcl
+source $testdir/malloc_common.tcl
+source $testdir/wal_common.tcl
+
+# Do not use a codec for tests in this file, as the database file is
+# manipulated directly using tcl scripts (using the [hexio_write] command).
+#
+do_not_use_codec
+
+#
+# pager1-1.*: Test inter-process locking (clients in multiple processes).
+#
+# pager1-2.*: Test intra-process locking (multiple clients in this process).
+#
+# pager1-3.*: Savepoint related tests.
+#
+# pager1-4.*: Hot-journal related tests.
+#
+# pager1-5.*: Cases related to multi-file commits.
+#
+# pager1-6.*: Cases related to "PRAGMA max_page_count"
+#
+# pager1-7.*: Cases specific to "PRAGMA journal_mode=TRUNCATE"
+#
+# pager1-8.*: Cases using temporary and in-memory databases.
+#
+# pager1-9.*: Tests related to the backup API.
+#
+# pager1-10.*: Test that the assumed file-system sector-size is limited to
+# 64KB.
+#
+# pager1-12.*: Tests involving "PRAGMA page_size"
+#
+# pager1-13.*: Cases specific to "PRAGMA journal_mode=PERSIST"
+#
+# pager1-14.*: Cases specific to "PRAGMA journal_mode=OFF"
+#
+# pager1-15.*: Varying sqlite3_vfs.szOsFile
+#
+# pager1-16.*: Varying sqlite3_vfs.mxPathname
+#
+# pager1-17.*: Tests related to "PRAGMA omit_readlock"
+#
+# pager1-18.*: Test that the pager layer responds correctly if the b-tree
+# requests an invalid page number (due to db corruption).
+#
+
+proc recursive_select {id table {script {}}} {
+ set cnt 0
+ db eval "SELECT rowid, * FROM $table WHERE rowid = ($id-1)" {
+ recursive_select $rowid $table $script
+ incr cnt
+ }
+ if {$cnt==0} { eval $script }
+}
+
+set a_string_counter 1
+proc a_string {n} {
+ global a_string_counter
+ incr a_string_counter
+ string range [string repeat "${a_string_counter}." $n] 1 $n
+}
+db func a_string a_string
+
+do_multiclient_test tn {
+
+ # Create and populate a database table using connection [db]. Check
+ # that connections [db2] and [db3] can see the schema and content.
+ #
+ do_test pager1-$tn.1 {
+ sql1 {
+ CREATE TABLE t1(a PRIMARY KEY, b);
+ CREATE INDEX i1 ON t1(b);
+ INSERT INTO t1 VALUES(1, 'one'); INSERT INTO t1 VALUES(2, 'two');
+ }
+ } {}
+ do_test pager1-$tn.2 { sql2 { SELECT * FROM t1 } } {1 one 2 two}
+ do_test pager1-$tn.3 { sql3 { SELECT * FROM t1 } } {1 one 2 two}
+
+ # Open a transaction and add a row using [db]. This puts [db] in
+ # RESERVED state. Check that connections [db2] and [db3] can still
+ # read the database content as it was before the transaction was
+ # opened. [db] should see the inserted row.
+ #
+ do_test pager1-$tn.4 {
+ sql1 {
+ BEGIN;
+ INSERT INTO t1 VALUES(3, 'three');
+ }
+ } {}
+ do_test pager1-$tn.5 { sql2 { SELECT * FROM t1 } } {1 one 2 two}
+ do_test pager1-$tn.7 { sql1 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+
+ # [db] still has an open write transaction. Check that this prevents
+ # other connections (specifically [db2]) from writing to the database.
+ #
+ # Even if [db2] opens a transaction first, it may not write to the
+ # database. After the attempt to write the db within a transaction,
+ # [db2] is left with an open transaction, but not a read-lock on
+ # the main database. So it does not prevent [db] from committing.
+ #
+ do_test pager1-$tn.8 {
+ csql2 { UPDATE t1 SET a = a + 10 }
+ } {1 {database is locked}}
+ do_test pager1-$tn.9 {
+ csql2 {
+ BEGIN;
+ UPDATE t1 SET a = a + 10;
+ }
+ } {1 {database is locked}}
+
+ # Have [db] commit its transactions. Check the other connections can
+ # now see the new database content.
+ #
+ do_test pager1-$tn.10 { sql1 { COMMIT } } {}
+ do_test pager1-$tn.11 { sql1 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+ do_test pager1-$tn.12 { sql2 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+ do_test pager1-$tn.13 { sql3 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+
+ # Check that, as noted above, [db2] really did keep an open transaction
+ # after the attempt to write the database failed.
+ #
+ do_test pager1-$tn.14 {
+ csql2 { BEGIN }
+ } {1 {cannot start a transaction within a transaction}}
+ do_test pager1-$tn.15 { sql2 { ROLLBACK } } {}
+
+ # Have [db2] open a transaction and take a read-lock on the database.
+ # Check that this prevents [db] from writing to the database (outside
+ # of any transaction). After this fails, check that [db3] can read
+ # the db (showing that [db] did not take a PENDING lock etc.)
+ #
+ do_test pager1-$tn.15 {
+ sql2 { BEGIN; SELECT * FROM t1; }
+ } {1 one 2 two 3 three}
+ do_test pager1-$tn.16 {
+ csql1 { UPDATE t1 SET a = a + 10 }
+ } {1 {database is locked}}
+ do_test pager1-$tn.17 { sql3 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+
+ # This time, have [db] open a transaction before writing the database.
+ # This works - [db] gets a RESERVED lock which does not conflict with
+ # the SHARED lock [db2] is holding.
+ #
+ do_test pager1-$tn.18 {
+ sql1 {
+ BEGIN;
+ UPDATE t1 SET a = a + 10;
+ }
+ } {}
+ do_test pager1-$tn-19 {
+ sql1 { PRAGMA lock_status }
+ } {main reserved temp closed}
+ do_test pager1-$tn-20 {
+ sql2 { PRAGMA lock_status }
+ } {main shared temp closed}
+
+ # Check that all connections can still read the database. Only [db] sees
+ # the updated content (as the transaction has not been committed yet).
+ #
+ do_test pager1-$tn.21 { sql1 { SELECT * FROM t1 } } {11 one 12 two 13 three}
+ do_test pager1-$tn.22 { sql2 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+ do_test pager1-$tn.23 { sql3 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+
+ # Because [db2] still has the SHARED lock, [db] is unable to commit the
+ # transaction. If it tries, an error is returned and the connection
+ # upgrades to a PENDING lock.
+ #
+ # Once this happens, [db] can read the database and see the new content,
+ # [db2] (still holding SHARED) can still read the old content, but [db3]
+ # (not holding any lock) is prevented by [db]'s PENDING from reading
+ # the database.
+ #
+ do_test pager1-$tn.24 { csql1 { COMMIT } } {1 {database is locked}}
+ do_test pager1-$tn-25 {
+ sql1 { PRAGMA lock_status }
+ } {main pending temp closed}
+ do_test pager1-$tn.26 { sql1 { SELECT * FROM t1 } } {11 one 12 two 13 three}
+ do_test pager1-$tn.27 { sql2 { SELECT * FROM t1 } } {1 one 2 two 3 three}
+ do_test pager1-$tn.28 { csql3 { SELECT * FROM t1 } } {1 {database is locked}}
+
+ # Have [db2] commit its read transaction, releasing the SHARED lock it
+ # is holding. Now, neither [db2] nor [db3] may read the database (as [db]
+ # is still holding a PENDING).
+ #
+ do_test pager1-$tn.29 { sql2 { COMMIT } } {}
+ do_test pager1-$tn.30 { csql2 { SELECT * FROM t1 } } {1 {database is locked}}
+ do_test pager1-$tn.31 { csql3 { SELECT * FROM t1 } } {1 {database is locked}}
+
+ # [db] is now able to commit the transaction. Once the transaction is
+ # committed, all three connections can read the new content.
+ #
+ do_test pager1-$tn.25 { sql1 { UPDATE t1 SET a = a+10 } } {}
+ do_test pager1-$tn.26 { sql1 { COMMIT } } {}
+ do_test pager1-$tn.27 { sql1 { SELECT * FROM t1 } } {21 one 22 two 23 three}
+ do_test pager1-$tn.27 { sql2 { SELECT * FROM t1 } } {21 one 22 two 23 three}
+ do_test pager1-$tn.28 { sql3 { SELECT * FROM t1 } } {21 one 22 two 23 three}
+
+ # Install a busy-handler for connection [db].
+ #
+ set ::nbusy [list]
+ proc busy {n} {
+ lappend ::nbusy $n
+ if {$n>5} { sql2 COMMIT }
+ return 0
+ }
+ db busy busy
+
+ do_test pager1-$tn.29 {
+ sql1 { BEGIN ; INSERT INTO t1 VALUES('x', 'y') }
+ } {}
+ do_test pager1-$tn.30 {
+ sql2 { BEGIN ; SELECT * FROM t1 }
+ } {21 one 22 two 23 three}
+ do_test pager1-$tn.31 { sql1 COMMIT } {}
+ do_test pager1-$tn.32 { set ::nbusy } {0 1 2 3 4 5 6}
+}
+
+#-------------------------------------------------------------------------
+# Savepoint related test cases.
+#
+# pager1-3.1.2.*: Force a savepoint rollback to cause the database file
+# to grow.
+#
+# pager1-3.1.3.*: Use a journal created in synchronous=off mode as part
+# of a savepoint rollback.
+#
+do_test pager1-3.1.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ CREATE TABLE t1(a PRIMARY KEY, b);
+ CREATE TABLE counter(
+ i CHECK (i<5),
+ u CHECK (u<10)
+ );
+ INSERT INTO counter VALUES(0, 0);
+ CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
+ UPDATE counter SET i = i+1;
+ END;
+ CREATE TRIGGER tr2 AFTER UPDATE ON t1 BEGIN
+ UPDATE counter SET u = u+1;
+ END;
+ }
+ execsql { SELECT * FROM counter }
+} {0 0}
+
+do_execsql_test pager1-3.1.2 {
+ PRAGMA cache_size = 10;
+ BEGIN;
+ INSERT INTO t1 VALUES(1, randomblob(1500));
+ INSERT INTO t1 VALUES(2, randomblob(1500));
+ INSERT INTO t1 VALUES(3, randomblob(1500));
+ SELECT * FROM counter;
+} {3 0}
+do_catchsql_test pager1-3.1.3 {
+ INSERT INTO t1 SELECT a+3, randomblob(1500) FROM t1
+} {1 {constraint failed}}
+do_execsql_test pager1-3.4 { SELECT * FROM counter } {3 0}
+do_execsql_test pager1-3.5 { SELECT a FROM t1 } {1 2 3}
+do_execsql_test pager1-3.6 { COMMIT } {}
+
+foreach {tn sql tcl} {
+ 7 { PRAGMA synchronous = NORMAL ; PRAGMA temp_store = 0 } {
+ testvfs tv -default 1
+ tv devchar safe_append
+ }
+ 8 { PRAGMA synchronous = NORMAL ; PRAGMA temp_store = 2 } {
+ testvfs tv -default 1
+ tv devchar sequential
+ }
+ 9 { PRAGMA synchronous = FULL } { }
+ 10 { PRAGMA synchronous = NORMAL } { }
+ 11 { PRAGMA synchronous = OFF } { }
+ 12 { PRAGMA synchronous = FULL ; PRAGMA fullfsync = 1 } { }
+ 13 { PRAGMA synchronous = FULL } {
+ testvfs tv -default 1
+ tv devchar sequential
+ }
+ 14 { PRAGMA locking_mode = EXCLUSIVE } {
+ }
+} {
+ do_test pager1-3.$tn.1 {
+ eval $tcl
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql $sql
+ execsql {
+ PRAGMA auto_vacuum = 2;
+ PRAGMA cache_size = 10;
+ CREATE TABLE z(x INTEGER PRIMARY KEY, y);
+ BEGIN;
+ INSERT INTO z VALUES(NULL, a_string(800));
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 2
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 4
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 8
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 16
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 32
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 64
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 128
+ INSERT INTO z SELECT NULL, a_string(800) FROM z; -- 256
+ COMMIT;
+ }
+ execsql { PRAGMA auto_vacuum }
+ } {2}
+ do_execsql_test pager1-3.$tn.2 {
+ BEGIN;
+ INSERT INTO z VALUES(NULL, a_string(800));
+ INSERT INTO z VALUES(NULL, a_string(800));
+ SAVEPOINT one;
+ UPDATE z SET y = NULL WHERE x>256;
+ PRAGMA incremental_vacuum;
+ SELECT count(*) FROM z WHERE x < 100;
+ ROLLBACK TO one;
+ COMMIT;
+ } {99}
+
+ do_execsql_test pager1-3.$tn.3 {
+ BEGIN;
+ SAVEPOINT one;
+ UPDATE z SET y = y||x;
+ ROLLBACK TO one;
+ COMMIT;
+ SELECT count(*) FROM z;
+ } {258}
+
+ do_execsql_test pager1-3.$tn.4 {
+ SAVEPOINT one;
+ UPDATE z SET y = y||x;
+ ROLLBACK TO one;
+ } {}
+ do_execsql_test pager1-3.$tn.5 {
+ SELECT count(*) FROM z;
+ RELEASE one;
+ PRAGMA integrity_check;
+ } {258 ok}
+
+ do_execsql_test pager1-3.$tn.6 {
+ SAVEPOINT one;
+ RELEASE one;
+ } {}
+
+ db close
+ catch { tv delete }
+}
+
+#-------------------------------------------------------------------------
+# Hot journal rollback related test cases.
+#
+# pager1.4.1.*: Test that the pager module deletes very small invalid
+# journal files.
+#
+# pager1.4.2.*: Test that if the master journal pointer at the end of a
+# hot-journal file appears to be corrupt (checksum does not
+# compute) the associated journal is rolled back (and no
+# xAccess() call to check for the presence of any master
+# journal file is made).
+#
+# pager1.4.3.*: Test that the contents of a hot-journal are ignored if the
+# page-size or sector-size in the journal header appear to
+# be invalid (too large, too small or not a power of 2).
+#
+# pager1.4.4.*: Test hot-journal rollback of journal file with a master
+# journal pointer generated in various "PRAGMA synchronous"
+# modes.
+#
+# pager1.4.5.*: Test that hot-journal rollback stops if it encounters a
+# journal-record for which the checksum fails.
+#
+# pager1.4.6.*: Test that when rolling back a hot-journal that contains a
+# master journal pointer, the master journal file is deleted
+# after all the hot-journals that refer to it are deleted.
+#
+# pager1.4.7.*: Test that if a hot-journal file exists but a client can
+# open it for reading only, the database cannot be accessed and
+# SQLITE_CANTOPEN is returned.
+#
+do_test pager1.4.1.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ CREATE TABLE x(y, z);
+ INSERT INTO x VALUES(1, 2);
+ }
+ set fd [open test.db-journal w]
+ puts -nonewline $fd "helloworld"
+ close $fd
+ file exists test.db-journal
+} {1}
+do_test pager1.4.1.2 { execsql { SELECT * FROM x } } {1 2}
+do_test pager1.4.1.3 { file exists test.db-journal } {0}
+
+# Set up a [testvfs] to snapshot the file-system just before SQLite
+# deletes the master-journal to commit a multi-file transaction.
+#
+# In subsequent test cases, invoking [faultsim_restore_and_reopen] sets
+# up the file system to contain two databases, two hot-journal files and
+# a master-journal.
+#
+do_test pager1.4.2.1 {
+ testvfs tstvfs -default 1
+ tstvfs filter xDelete
+ tstvfs script xDeleteCallback
+ proc xDeleteCallback {method file args} {
+ set file [file tail $file]
+ if { [string match *mj* $file] } { faultsim_save }
+ }
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ ATTACH 'test.db2' AS aux;
+ PRAGMA journal_mode = DELETE;
+ PRAGMA main.cache_size = 10;
+ PRAGMA aux.cache_size = 10;
+ CREATE TABLE t1(a UNIQUE, b UNIQUE);
+ CREATE TABLE aux.t2(a UNIQUE, b UNIQUE);
+ INSERT INTO t1 VALUES(a_string(200), a_string(300));
+ INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+ INSERT INTO t1 SELECT a_string(200), a_string(300) FROM t1;
+ INSERT INTO t2 SELECT * FROM t1;
+ BEGIN;
+ INSERT INTO t1 SELECT a_string(201), a_string(301) FROM t1;
+ INSERT INTO t1 SELECT a_string(202), a_string(302) FROM t1;
+ INSERT INTO t1 SELECT a_string(203), a_string(303) FROM t1;
+ INSERT INTO t1 SELECT a_string(204), a_string(304) FROM t1;
+ REPLACE INTO t2 SELECT * FROM t1;
+ COMMIT;
+ }
+ db close
+ tstvfs delete
+} {}
+do_test pager1.4.2.2 {
+ faultsim_restore_and_reopen
+ execsql {
+ SELECT count(*) FROM t1;
+ PRAGMA integrity_check;
+ }
+} {4 ok}
+do_test pager1.4.2.3 {
+ faultsim_restore_and_reopen
+ foreach f [glob test.db-mj*] { file delete -force $f }
+ execsql {
+ SELECT count(*) FROM t1;
+ PRAGMA integrity_check;
+ }
+} {64 ok}
+do_test pager1.4.2.4 {
+ faultsim_restore_and_reopen
+ hexio_write test.db-journal [expr [file size test.db-journal]-20] 123456
+ execsql {
+ SELECT count(*) FROM t1;
+ PRAGMA integrity_check;
+ }
+} {4 ok}
+do_test pager1.4.2.5 {
+ faultsim_restore_and_reopen
+ hexio_write test.db-journal [expr [file size test.db-journal]-20] 123456
+ foreach f [glob test.db-mj*] { file delete -force $f }
+ execsql {
+ SELECT count(*) FROM t1;
+ PRAGMA integrity_check;
+ }
+} {4 ok}
+
+do_test pager1.4.3.1 {
+ testvfs tstvfs -default 1
+ tstvfs filter xSync
+ tstvfs script xSyncCallback
+ proc xSyncCallback {method file args} {
+ set file [file tail $file]
+ if { 0==[string match *journal $file] } { faultsim_save }
+ }
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA journal_mode = DELETE;
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES(1, 2);
+ INSERT INTO t1 VALUES(3, 4);
+ }
+ db close
+ tstvfs delete
+} {}
+
+foreach {tn ofst value result} {
+ 2 20 31 {1 2 3 4}
+ 3 20 32 {1 2 3 4}
+ 4 20 33 {1 2 3 4}
+ 5 20 65536 {1 2 3 4}
+ 6 20 131072 {1 2 3 4}
+
+ 7 24 511 {1 2 3 4}
+ 8 24 513 {1 2 3 4}
+ 9 24 131072 {1 2 3 4}
+
+ 10 32 65536 {1 2}
+} {
+ do_test pager1.4.3.$tn {
+ faultsim_restore_and_reopen
+ hexio_write test.db-journal $ofst [format %.8x $value]
+ execsql { SELECT * FROM t1 }
+ } $result
+}
+db close
+
+# Set up a VFS that snapshots the file-system just before a master journal
+# file is deleted to commit a multi-file transaction. Specifically, the
+# file-system is saved just before the xDelete() call to remove the
+# master journal file from the file-system.
+#
+testvfs tv -default 1
+tv script copy_on_mj_delete
+set ::mj_filename_length 0
+proc copy_on_mj_delete {method filename args} {
+ if {[string match *mj* [file tail $filename]]} {
+ set ::mj_filename_length [string length $filename]
+ faultsim_save
+ }
+ return SQLITE_OK
+}
+
+set pwd [pwd]
+foreach {tn1 tcl} {
+ 1 { set prefix "test.db" }
+ 2 {
+ # This test depends on the underlying VFS being able to open paths
+ # 512 bytes in length. The idea is to create a hot-journal file that
+ # contains a master-journal pointer so large that it could contain
+ # a valid page record (if the file page-size is 512 bytes). So as to
+ # make sure SQLite doesn't get confused by this.
+ #
+ set nPadding [expr 511 - $::mj_filename_length]
+ if {$tcl_platform(platform)=="windows"} {
+ # TBD need to figure out how to do this correctly for Windows!!!
+ set nPadding [expr 255 - $::mj_filename_length]
+ }
+
+ # We cannot just create a really long database file name to open, as
+ # Linux limits a single component of a path to 255 bytes by default
+ # (and presumably other systems have limits too). So create a directory
+ # hierarchy to work in.
+ #
+ set dirname "d123456789012345678901234567890/"
+ set nDir [expr $nPadding / 32]
+ if { $nDir } {
+ set p [string repeat $dirname $nDir]
+ file mkdir $p
+ cd $p
+ }
+
+ set padding [string repeat x [expr $nPadding %32]]
+ set prefix "test.db${padding}"
+ }
+} {
+ eval $tcl
+ foreach {tn2 sql} {
+ o {
+ PRAGMA main.synchronous=OFF;
+ PRAGMA aux.synchronous=OFF;
+ PRAGMA journal_mode = DELETE;
+ }
+ o512 {
+ PRAGMA main.synchronous=OFF;
+ PRAGMA aux.synchronous=OFF;
+ PRAGMA main.page_size = 512;
+ PRAGMA aux.page_size = 512;
+ PRAGMA journal_mode = DELETE;
+ }
+ n {
+ PRAGMA main.synchronous=NORMAL;
+ PRAGMA aux.synchronous=NORMAL;
+ PRAGMA journal_mode = DELETE;
+ }
+ f {
+ PRAGMA main.synchronous=FULL;
+ PRAGMA aux.synchronous=FULL;
+ PRAGMA journal_mode = DELETE;
+ }
+ } {
+
+ set tn "${tn1}.${tn2}"
+
+ # Set up a connection to have two databases, test.db (main) and
+ # test.db2 (aux). Then run a multi-file transaction on them. The
+ # VFS will snapshot the file-system just before the master-journal
+ # file is deleted to commit the transaction.
+ #
+ tv filter xDelete
+ do_test pager1-4.4.$tn.1 {
+ faultsim_delete_and_reopen $prefix
+ execsql "
+ ATTACH '${prefix}2' AS aux;
+ $sql
+ CREATE TABLE a(x);
+ CREATE TABLE aux.b(x);
+ INSERT INTO a VALUES('double-you');
+ INSERT INTO a VALUES('why');
+ INSERT INTO a VALUES('zed');
+ INSERT INTO b VALUES('won');
+ INSERT INTO b VALUES('too');
+ INSERT INTO b VALUES('free');
+ "
+ execsql {
+ BEGIN;
+ INSERT INTO a SELECT * FROM b WHERE rowid<=3;
+ INSERT INTO b SELECT * FROM a WHERE rowid<=3;
+ COMMIT;
+ }
+ } {}
+ tv filter {}
+
+ # Check that the transaction was committed successfully.
+ #
+ do_execsql_test pager1-4.4.$tn.2 {
+ SELECT * FROM a
+ } {double-you why zed won too free}
+ do_execsql_test pager1-4.4.$tn.3 {
+ SELECT * FROM b
+ } {won too free double-you why zed}
+
+ # Restore the file-system and reopen the databases. Check that it now
+ # appears that the transaction was not committed (because the file-system
+ # was restored to the state where it had not been).
+ #
+ do_test pager1-4.4.$tn.4 {
+ faultsim_restore_and_reopen $prefix
+ execsql "ATTACH '${prefix}2' AS aux"
+ } {}
+ do_execsql_test pager1-4.4.$tn.5 {SELECT * FROM a} {double-you why zed}
+ do_execsql_test pager1-4.4.$tn.6 {SELECT * FROM b} {won too free}
+
+ # Restore the file-system again. This time, before reopening the databases,
+ # delete the master-journal file from the file-system. It now appears that
+ # the transaction was committed (no master-journal file == no rollback).
+ #
+ do_test pager1-4.4.$tn.7 {
+ faultsim_restore_and_reopen $prefix
+ foreach f [glob ${prefix}-mj*] { file delete -force $f }
+ execsql "ATTACH '${prefix}2' AS aux"
+ } {}
+ do_execsql_test pager1-4.4.$tn.8 {
+ SELECT * FROM a
+ } {double-you why zed won too free}
+ do_execsql_test pager1-4.4.$tn.9 {
+ SELECT * FROM b
+ } {won too free double-you why zed}
+ }
+
+ cd $pwd
+}
+db close
+tv delete
+file delete -force $dirname
+
+
+# Set up a VFS to make a copy of the file-system just before deleting a
+# journal file to commit a transaction. The transaction modifies exactly
+# two database pages (and page 1 - the change counter).
+#
+testvfs tv -default 1
+tv sectorsize 512
+tv script copy_on_journal_delete
+tv filter xDelete
+proc copy_on_journal_delete {method filename args} {
+ if {[string match *journal $filename]} faultsim_save
+ return SQLITE_OK
+}
+faultsim_delete_and_reopen
+do_execsql_test pager1.4.5.1 {
+ PRAGMA journal_mode = DELETE;
+ PRAGMA page_size = 1024;
+ CREATE TABLE t1(a, b);
+ CREATE TABLE t2(a, b);
+ INSERT INTO t1 VALUES('I', 'II');
+ INSERT INTO t2 VALUES('III', 'IV');
+ BEGIN;
+ INSERT INTO t1 VALUES(1, 2);
+ INSERT INTO t2 VALUES(3, 4);
+ COMMIT;
+} {delete}
+tv filter {}
+
+# Check the transaction was committed:
+#
+do_execsql_test pager1.4.5.2 {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+} {I II 1 2 III IV 3 4}
+
+# Now try four tests:
+#
+# pager1-4.5.3: Restore the file-system. Check that the whole transaction
+# is rolled back.
+#
+# pager1-4.5.4: Restore the file-system. Corrupt the first record in the
+# journal. Check the transaction is not rolled back.
+#
+# pager1-4.5.5: Restore the file-system. Corrupt the second record in the
+# journal. Check that the first record in the transaction is
+# played back, but not the second.
+#
+# pager1-4.5.6: Restore the file-system. Try to open the database with a
+# readonly connection. This should fail, as a read-only
+# connection cannot roll back the database file.
+#
+faultsim_restore_and_reopen
+do_execsql_test pager1.4.5.3 {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+} {I II III IV}
+faultsim_restore_and_reopen
+hexio_write test.db-journal [expr 512+4+1024 - 202] 0123456789ABCDEF
+do_execsql_test pager1.4.5.4 {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+} {I II 1 2 III IV 3 4}
+faultsim_restore_and_reopen
+hexio_write test.db-journal [expr 512+4+1024+4+4+1024 - 202] 0123456789ABCDEF
+do_execsql_test pager1.4.5.5 {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+} {I II III IV 3 4}
+
+faultsim_restore_and_reopen
+db close
+sqlite3 db test.db -readonly 1
+do_catchsql_test pager1.4.5.6 {
+ SELECT * FROM t1;
+ SELECT * FROM t2;
+} {1 {disk I/O error}}
+db close
+
+# Snapshot the file-system just before multi-file commit. Save the name
+# of the master journal file in $::mj_filename.
+#
+tv script copy_on_mj_delete
+tv filter xDelete
+proc copy_on_mj_delete {method filename args} {
+ if {[string match *mj* [file tail $filename]]} {
+ set ::mj_filename $filename
+ faultsim_save
+ }
+ return SQLITE_OK
+}
+do_test pager1.4.6.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA journal_mode = DELETE;
+ ATTACH 'test.db2' AS two;
+ CREATE TABLE t1(a, b);
+ CREATE TABLE two.t2(a, b);
+ INSERT INTO t1 VALUES(1, 't1.1');
+ INSERT INTO t2 VALUES(1, 't2.1');
+ BEGIN;
+ UPDATE t1 SET b = 't1.2';
+ UPDATE t2 SET b = 't2.2';
+ COMMIT;
+ }
+ tv filter {}
+ db close
+} {}
+
+faultsim_restore_and_reopen
+do_execsql_test pager1.4.6.2 { SELECT * FROM t1 } {1 t1.1}
+do_test pager1.4.6.3 { file exists $::mj_filename } {1}
+do_execsql_test pager1.4.6.4 {
+ ATTACH 'test.db2' AS two;
+ SELECT * FROM t2;
+} {1 t2.1}
+do_test pager1.4.6.5 { file exists $::mj_filename } {0}
+
+faultsim_restore_and_reopen
+db close
+do_test pager1.4.6.8 {
+ set ::mj_filename1 $::mj_filename
+ tv filter xDelete
+ sqlite3 db test.db2
+ execsql {
+ PRAGMA journal_mode = DELETE;
+ ATTACH 'test.db3' AS three;
+ CREATE TABLE three.t3(a, b);
+ INSERT INTO t3 VALUES(1, 't3.1');
+ BEGIN;
+ UPDATE t2 SET b = 't2.3';
+ UPDATE t3 SET b = 't3.3';
+ COMMIT;
+ }
+ expr {$::mj_filename1 != $::mj_filename}
+} {1}
+faultsim_restore_and_reopen
+tv filter {}
+
+# The file-system now contains:
+#
+# * three databases
+# * three hot-journal files
+# * two master-journal files.
+#
+# The hot-journals associated with test.db2 and test.db3 point to
+# master journal $::mj_filename. The hot-journal file associated with
+# test.db points to master journal $::mj_filename1. So reading from
+# test.db should delete $::mj_filename1.
+#
+do_test pager1.4.6.9 {
+ lsort [glob test.db*]
+} [lsort [list \
+ test.db test.db2 test.db3 \
+ test.db-journal test.db2-journal test.db3-journal \
+ [file tail $::mj_filename] [file tail $::mj_filename1]
+]]
+
+# The master-journal $::mj_filename1 contains pointers to test.db and
+# test.db2. However the hot-journal associated with test.db2 points to
+# a different master-journal. Therefore, reading from test.db only should
+# be enough to cause SQLite to delete $::mj_filename1.
+#
+do_test pager1.4.6.10 { file exists $::mj_filename } {1}
+do_test pager1.4.6.11 { file exists $::mj_filename1 } {1}
+do_execsql_test pager1.4.6.12 { SELECT * FROM t1 } {1 t1.1}
+do_test pager1.4.6.13 { file exists $::mj_filename } {1}
+do_test pager1.4.6.14 { file exists $::mj_filename1 } {0}
+
+do_execsql_test pager1.4.6.12 {
+ ATTACH 'test.db2' AS two;
+ SELECT * FROM t2;
+} {1 t2.1}
+do_test pager1.4.6.13 { file exists $::mj_filename } {1}
+do_execsql_test pager1.4.6.14 {
+ ATTACH 'test.db3' AS three;
+ SELECT * FROM t3;
+} {1 t3.1}
+do_test pager1.4.6.15 { file exists $::mj_filename } {0}
+
+db close
+tv delete
+
+testvfs tv -default 1
+tv sectorsize 512
+tv script copy_on_journal_delete
+tv filter xDelete
+proc copy_on_journal_delete {method filename args} {
+ if {[string match *journal $filename]} faultsim_save
+ return SQLITE_OK
+}
+faultsim_delete_and_reopen
+do_execsql_test pager1.4.7.1 {
+ PRAGMA journal_mode = DELETE;
+ CREATE TABLE t1(x PRIMARY KEY, y);
+ CREATE INDEX i1 ON t1(y);
+ INSERT INTO t1 VALUES('I', 'one');
+ INSERT INTO t1 VALUES('II', 'four');
+ INSERT INTO t1 VALUES('III', 'nine');
+ BEGIN;
+ INSERT INTO t1 VALUES('IV', 'sixteen');
+ INSERT INTO t1 VALUES('V' , 'twentyfive');
+ COMMIT;
+} {delete}
+tv filter {}
+db close
+tv delete
+do_test pager1.4.7.2 {
+ faultsim_restore_and_reopen
+ catch {file attributes test.db-journal -permissions r--------}
+ catch {file attributes test.db-journal -readonly 1}
+ catchsql { SELECT * FROM t1 }
+} {1 {unable to open database file}}
+do_test pager1.4.7.3 {
+ db close
+ catch {file attributes test.db-journal -permissions rw-rw-rw-}
+ catch {file attributes test.db-journal -readonly 0}
+ file delete test.db-journal
+ file exists test.db-journal
+} {0}
+
+#-------------------------------------------------------------------------
+# The following tests deal with multi-file commits.
+#
+# pager1-5.1.*: The case where a multi-file cannot be committed because
+# another connection is holding a SHARED lock on one of the
+# files. After the SHARED lock is removed, the COMMIT succeeds.
+#
+# pager1-5.2.*: Multi-file commits with journal_mode=memory.
+#
+# pager1-5.3.*: Multi-file commits with journal_mode=memory.
+#
+# pager1-5.4.*: Check that with synchronous=normal, the master-journal file
+# name is added to a journal file immediately after the last
+# journal record. But with synchronous=full, extra unused space
+# is allocated between the last journal record and the
+# master-journal file name so that the master-journal file
+# name does not lie on the same sector as the last journal file
+# record.
+#
+# pager1-5.5.*: Check that in journal_mode=PERSIST mode, a journal file is
+# truncated to zero bytes when a multi-file transaction is
+# committed (instead of the first couple of bytes being zeroed).
+#
+#
+do_test pager1-5.1.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ ATTACH 'test.db2' AS aux;
+ CREATE TABLE t1(a, b);
+ CREATE TABLE aux.t2(a, b);
+ INSERT INTO t1 VALUES(17, 'Lenin');
+ INSERT INTO t1 VALUES(22, 'Stalin');
+ INSERT INTO t1 VALUES(53, 'Khrushchev');
+ }
+} {}
+do_test pager1-5.1.2 {
+ execsql {
+ BEGIN;
+ INSERT INTO t1 VALUES(64, 'Brezhnev');
+ INSERT INTO t2 SELECT * FROM t1;
+ }
+ sqlite3 db2 test.db2
+ execsql {
+ BEGIN;
+ SELECT * FROM t2;
+ } db2
+} {}
+do_test pager1-5.1.3 {
+ catchsql COMMIT
+} {1 {database is locked}}
+do_test pager1-5.1.4 {
+ execsql COMMIT db2
+ execsql COMMIT
+ execsql { SELECT * FROM t2 } db2
+} {17 Lenin 22 Stalin 53 Khrushchev 64 Brezhnev}
+do_test pager1-5.1.5 {
+ db2 close
+} {}
+
+do_test pager1-5.2.1 {
+ execsql {
+ PRAGMA journal_mode = memory;
+ BEGIN;
+ INSERT INTO t1 VALUES(84, 'Andropov');
+ INSERT INTO t2 VALUES(84, 'Andropov');
+ COMMIT;
+ }
+} {memory}
+do_test pager1-5.3.1 {
+ execsql {
+ PRAGMA journal_mode = off;
+ BEGIN;
+ INSERT INTO t1 VALUES(85, 'Gorbachev');
+ INSERT INTO t2 VALUES(85, 'Gorbachev');
+ COMMIT;
+ }
+} {off}
+
+do_test pager1-5.4.1 {
+ db close
+ testvfs tv
+ sqlite3 db test.db -vfs tv
+ execsql { ATTACH 'test.db2' AS aux }
+
+ tv filter xDelete
+ tv script max_journal_size
+ tv sectorsize 512
+ set ::max_journal 0
+ proc max_journal_size {method args} {
+ set sz 0
+ catch { set sz [file size test.db-journal] }
+ if {$sz > $::max_journal} {
+ set ::max_journal $sz
+ }
+ return SQLITE_OK
+ }
+ execsql {
+ PRAGMA journal_mode = DELETE;
+ PRAGMA synchronous = NORMAL;
+ BEGIN;
+ INSERT INTO t1 VALUES(85, 'Gorbachev');
+ INSERT INTO t2 VALUES(85, 'Gorbachev');
+ COMMIT;
+ }
+ set ::max_journal
+} [expr 2615+[string length [pwd]]]
+do_test pager1-5.4.2 {
+ set ::max_journal 0
+ execsql {
+ PRAGMA synchronous = full;
+ BEGIN;
+ DELETE FROM t1 WHERE b = 'Lenin';
+ DELETE FROM t2 WHERE b = 'Lenin';
+ COMMIT;
+ }
+ set ::max_journal
+} [expr 3111+[string length [pwd]]]
+db close
+tv delete
+
+do_test pager1-5.5.1 {
+ sqlite3 db test.db
+ execsql {
+ ATTACH 'test.db2' AS aux;
+ PRAGMA journal_mode = PERSIST;
+ CREATE TABLE t3(a, b);
+ INSERT INTO t3 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ UPDATE t3 SET b = randomblob(1500);
+ }
+ expr [file size test.db-journal] > 15000
+} {1}
+do_test pager1-5.5.2 {
+ execsql {
+ PRAGMA synchronous = full;
+ BEGIN;
+ DELETE FROM t1 WHERE b = 'Stalin';
+ DELETE FROM t2 WHERE b = 'Stalin';
+ COMMIT;
+ }
+ file size test.db-journal
+} {0}
+
+
+#-------------------------------------------------------------------------
+# The following tests work with "PRAGMA max_page_count"
+#
+do_test pager1-6.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA auto_vacuum = none;
+ PRAGMA max_page_count = 10;
+ CREATE TABLE t2(a, b);
+ CREATE TABLE t3(a, b);
+ CREATE TABLE t4(a, b);
+ CREATE TABLE t5(a, b);
+ CREATE TABLE t6(a, b);
+ CREATE TABLE t7(a, b);
+ CREATE TABLE t8(a, b);
+ CREATE TABLE t9(a, b);
+ CREATE TABLE t10(a, b);
+ }
+} {10}
+do_catchsql_test pager1-6.2 {
+ CREATE TABLE t11(a, b)
+} {1 {database or disk is full}}
+do_execsql_test pager1-6.4 { PRAGMA max_page_count } {10}
+do_execsql_test pager1-6.5 { PRAGMA max_page_count = 15 } {15}
+do_execsql_test pager1-6.6 { CREATE TABLE t11(a, b) } {}
+do_execsql_test pager1-6.7 {
+ BEGIN;
+ INSERT INTO t11 VALUES(1, 2);
+ PRAGMA max_page_count = 13;
+} {13}
+do_execsql_test pager1-6.8 {
+ INSERT INTO t11 VALUES(3, 4);
+ PRAGMA max_page_count = 10;
+} {11}
+do_execsql_test pager1-6.9 { COMMIT } {}
+
+do_execsql_test pager1-6.10 { PRAGMA max_page_count = 10 } {11}
+do_execsql_test pager1-6.11 { SELECT * FROM t11 } {1 2 3 4}
+do_execsql_test pager1-6.12 { PRAGMA max_page_count } {11}
+
+
+#-------------------------------------------------------------------------
+# The following tests work with "PRAGMA journal_mode=TRUNCATE" and
+# "PRAGMA locking_mode=EXCLUSIVE".
+#
+# Each test is specified with 5 variables. As follows:
+#
+# $tn: Test Number. Used as part of the [do_test] test names.
+# $sql: SQL to execute.
+# $res: Expected result of executing $sql.
+# $js: The expected size of the journal file, in bytes, after executing
+# the SQL script. Or -1 if the journal is not expected to exist.
+# $ws: The expected size of the WAL file, in bytes, after executing
+# the SQL script. Or -1 if the WAL is not expected to exist.
+#
+ifcapable wal {
+ faultsim_delete_and_reopen
+ foreach {tn sql res js ws} [subst {
+
+ 1 {
+ CREATE TABLE t1(a, b);
+ PRAGMA auto_vacuum=OFF;
+ PRAGMA synchronous=NORMAL;
+ PRAGMA page_size=1024;
+ PRAGMA locking_mode=EXCLUSIVE;
+ PRAGMA journal_mode=TRUNCATE;
+ INSERT INTO t1 VALUES(1, 2);
+ } {exclusive truncate} 0 -1
+
+ 2 {
+ BEGIN IMMEDIATE;
+ SELECT * FROM t1;
+ COMMIT;
+ } {1 2} 0 -1
+
+ 3 {
+ BEGIN;
+ SELECT * FROM t1;
+ COMMIT;
+ } {1 2} 0 -1
+
+ 4 { PRAGMA journal_mode = WAL } wal -1 -1
+ 5 { INSERT INTO t1 VALUES(3, 4) } {} -1 [wal_file_size 1 1024]
+ 6 { PRAGMA locking_mode = NORMAL } exclusive -1 [wal_file_size 1 1024]
+ 7 { INSERT INTO t1 VALUES(5, 6); } {} -1 [wal_file_size 2 1024]
+
+ 8 { PRAGMA journal_mode = TRUNCATE } truncate 0 -1
+ 9 { INSERT INTO t1 VALUES(7, 8) } {} 0 -1
+ 10 { SELECT * FROM t1 } {1 2 3 4 5 6 7 8} 0 -1
+
+ }] {
+ do_execsql_test pager1-7.1.$tn.1 $sql $res
+ catch { set J -1 ; set J [file size test.db-journal] }
+ catch { set W -1 ; set W [file size test.db-wal] }
+ do_test pager1-7.1.$tn.2 { list $J $W } [list $js $ws]
+ }
+}
+
+do_test pager1-7.2.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA locking_mode = EXCLUSIVE;
+ CREATE TABLE t1(a, b);
+ BEGIN;
+ PRAGMA journal_mode = delete;
+ PRAGMA journal_mode = truncate;
+ }
+} {exclusive delete truncate}
+do_test pager1-7.2.2 {
+ execsql { INSERT INTO t1 VALUES(1, 2) }
+ execsql { PRAGMA journal_mode = persist }
+} {truncate}
+do_test pager1-7.2.3 {
+ execsql { COMMIT }
+ execsql {
+ PRAGMA journal_mode = persist;
+ PRAGMA journal_size_limit;
+ }
+} {persist -1}
+
+#-------------------------------------------------------------------------
+# The following tests, pager1-8.*, test that the special filenames
+# ":memory:" and "" open temporary databases.
+#
+foreach {tn filename} {
+ 1 :memory:
+ 2 ""
+} {
+ do_test pager1-8.$tn.1 {
+ faultsim_delete_and_reopen
+ db close
+ sqlite3 db $filename
+ execsql {
+ PRAGMA auto_vacuum = 1;
+ CREATE TABLE x1(x);
+ INSERT INTO x1 VALUES('Charles');
+ INSERT INTO x1 VALUES('James');
+ INSERT INTO x1 VALUES('Mary');
+ SELECT * FROM x1;
+ }
+ } {Charles James Mary}
+
+ do_test pager1-8.$tn.2 {
+ sqlite3 db2 $filename
+ catchsql { SELECT * FROM x1 } db2
+ } {1 {no such table: x1}}
+
+ do_execsql_test pager1-8.$tn.3 {
+ BEGIN;
+ INSERT INTO x1 VALUES('William');
+ INSERT INTO x1 VALUES('Anne');
+ ROLLBACK;
+ } {}
+}
+
+#-------------------------------------------------------------------------
+# The next block of tests - pager1-9.* - deal with interactions between
+# the pager and the backup API. Test cases:
+#
+# pager1-9.1.*: Test that a backup completes successfully even if the
+# source db is written to during the backup op.
+#
+# pager1-9.2.*: Test that a backup completes successfully even if the
+# source db is written to and then rolled back during a
+# backup operation.
+#
+do_test pager1-9.0.1 {
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ PRAGMA cache_size = 10;
+ BEGIN;
+ CREATE TABLE ab(a, b, UNIQUE(a, b));
+ INSERT INTO ab VALUES( a_string(200), a_string(300) );
+ INSERT INTO ab SELECT a_string(200), a_string(300) FROM ab;
+ INSERT INTO ab SELECT a_string(200), a_string(300) FROM ab;
+ INSERT INTO ab SELECT a_string(200), a_string(300) FROM ab;
+ INSERT INTO ab SELECT a_string(200), a_string(300) FROM ab;
+ INSERT INTO ab SELECT a_string(200), a_string(300) FROM ab;
+ INSERT INTO ab SELECT a_string(200), a_string(300) FROM ab;
+ INSERT INTO ab SELECT a_string(200), a_string(300) FROM ab;
+ COMMIT;
+ }
+} {}
+do_test pager1-9.0.2 {
+ sqlite3 db2 test.db2
+ db2 eval { PRAGMA cache_size = 10 }
+ sqlite3_backup B db2 main db main
+ list [B step 10000] [B finish]
+} {SQLITE_DONE SQLITE_OK}
+do_test pager1-9.0.3 {
+ db one {SELECT md5sum(a, b) FROM ab}
+} [db2 one {SELECT md5sum(a, b) FROM ab}]
+
+do_test pager1-9.1.1 {
+ execsql { UPDATE ab SET a = a_string(201) }
+ sqlite3_backup B db2 main db main
+ B step 30
+} {SQLITE_OK}
+do_test pager1-9.1.2 {
+ execsql { UPDATE ab SET b = a_string(301) }
+ list [B step 10000] [B finish]
+} {SQLITE_DONE SQLITE_OK}
+do_test pager1-9.1.3 {
+ db one {SELECT md5sum(a, b) FROM ab}
+} [db2 one {SELECT md5sum(a, b) FROM ab}]
+do_test pager1-9.1.4 { execsql { SELECT count(*) FROM ab } } {128}
+
+do_test pager1-9.2.1 {
+ execsql { UPDATE ab SET a = a_string(202) }
+ sqlite3_backup B db2 main db main
+ B step 30
+} {SQLITE_OK}
+do_test pager1-9.2.2 {
+ execsql {
+ BEGIN;
+ UPDATE ab SET b = a_string(301);
+ ROLLBACK;
+ }
+ list [B step 10000] [B finish]
+} {SQLITE_DONE SQLITE_OK}
+do_test pager1-9.2.3 {
+ db one {SELECT md5sum(a, b) FROM ab}
+} [db2 one {SELECT md5sum(a, b) FROM ab}]
+do_test pager1-9.2.4 { execsql { SELECT count(*) FROM ab } } {128}
+db close
+db2 close
+
+do_test pager1-9.3.1 {
+ testvfs tv -default 1
+ tv sectorsize 4096
+ faultsim_delete_and_reopen
+
+ execsql { PRAGMA page_size = 1024 }
+ for {set ii 0} {$ii < 4} {incr ii} { execsql "CREATE TABLE t${ii}(a, b)" }
+} {}
+do_test pager1-9.3.2 {
+ sqlite3 db2 test.db2
+
+ execsql {
+ PRAGMA page_size = 4096;
+ PRAGMA synchronous = OFF;
+ CREATE TABLE t1(a, b);
+ CREATE TABLE t2(a, b);
+ } db2
+
+ sqlite3_backup B db2 main db main
+ B step 30
+ list [B step 10000] [B finish]
+} {SQLITE_DONE SQLITE_OK}
+do_test pager1-9.3.3 {
+ db2 close
+ db close
+ tv delete
+ file size test.db2
+} [file size test.db]
+
+do_test pager1-9.4.1 {
+ faultsim_delete_and_reopen
+ sqlite3 db2 test.db2
+ execsql {
+ PRAGMA page_size = 4096;
+ CREATE TABLE t1(a, b);
+ CREATE TABLE t2(a, b);
+ } db2
+ sqlite3_backup B db2 main db main
+ list [B step 10000] [B finish]
+} {SQLITE_DONE SQLITE_OK}
+do_test pager1-9.4.2 {
+ list [file size test.db2] [file size test.db]
+} {0 0}
+db2 close
+
+#-------------------------------------------------------------------------
+# Test that regardless of the value returned by xSectorSize(), the
+# minimum effective sector-size is 512 and the maximum 65536 bytes.
+#
+testvfs tv -default 1
+foreach sectorsize {
+ 32 64 128 256 512 1024 2048
+ 4096 8192 16384 32768 65536 131072 262144
+} {
+ tv sectorsize $sectorsize
+ set eff $sectorsize
+ if {$sectorsize < 512} { set eff 512 }
+ if {$sectorsize > 65536} { set eff 65536 }
+
+ do_test pager1-10.$sectorsize.1 {
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ PRAGMA journal_mode = PERSIST;
+ PRAGMA page_size = 1024;
+ BEGIN;
+ CREATE TABLE t1(a, b);
+ CREATE TABLE t2(a, b);
+ CREATE TABLE t3(a, b);
+ COMMIT;
+ }
+ file size test.db-journal
+ } [expr $sectorsize > 65536 ? 65536 : $sectorsize]
+
+ do_test pager1-10.$sectorsize.2 {
+ execsql {
+ INSERT INTO t3 VALUES(a_string(300), a_string(300));
+ INSERT INTO t3 SELECT * FROM t3; /* 2 */
+ INSERT INTO t3 SELECT * FROM t3; /* 4 */
+ INSERT INTO t3 SELECT * FROM t3; /* 8 */
+ INSERT INTO t3 SELECT * FROM t3; /* 16 */
+ INSERT INTO t3 SELECT * FROM t3; /* 32 */
+ }
+ } {}
+
+ do_test pager1-10.$sectorsize.3 {
+ db close
+ sqlite3 db test.db
+ execsql {
+ PRAGMA cache_size = 10;
+ BEGIN;
+ }
+ recursive_select 32 t3 {db eval "INSERT INTO t2 VALUES(1, 2)"}
+ execsql {
+ COMMIT;
+ SELECT * FROM t2;
+ }
+ } {1 2}
+
+ do_test pager1-10.$sectorsize.4 {
+ execsql {
+ CREATE TABLE t6(a, b);
+ CREATE TABLE t7(a, b);
+ CREATE TABLE t5(a, b);
+ DROP TABLE t6;
+ DROP TABLE t7;
+ }
+ execsql {
+ BEGIN;
+ CREATE TABLE t6(a, b);
+ }
+ recursive_select 32 t3 {db eval "INSERT INTO t5 VALUES(1, 2)"}
+ execsql {
+ COMMIT;
+ SELECT * FROM t5;
+ }
+ } {1 2}
+
+}
+db close
+
+tv sectorsize 4096
+do_test pager1.10.x.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA auto_vacuum = none;
+ PRAGMA page_size = 1024;
+ CREATE TABLE t1(x);
+ }
+ for {set i 0} {$i<30} {incr i} {
+ execsql { INSERT INTO t1 VALUES(zeroblob(900)) }
+ }
+ file size test.db
+} {32768}
+do_test pager1.10.x.2 {
+ execsql {
+ CREATE TABLE t2(x);
+ DROP TABLE t2;
+ }
+ file size test.db
+} {33792}
+do_test pager1.10.x.3 {
+ execsql {
+ BEGIN;
+ CREATE TABLE t2(x);
+ }
+ recursive_select 30 t1
+ execsql {
+ CREATE TABLE t3(x);
+ COMMIT;
+ }
+} {}
+
+db close
+tv delete
+
+testvfs tv -default 1
+faultsim_delete_and_reopen
+db func a_string a_string
+do_execsql_test pager1-11.1 {
+ PRAGMA journal_mode = DELETE;
+ PRAGMA cache_size = 10;
+ BEGIN;
+ CREATE TABLE zz(top PRIMARY KEY);
+ INSERT INTO zz VALUES(a_string(222));
+ INSERT INTO zz SELECT a_string((SELECT 222+max(rowid) FROM zz)) FROM zz;
+ INSERT INTO zz SELECT a_string((SELECT 222+max(rowid) FROM zz)) FROM zz;
+ INSERT INTO zz SELECT a_string((SELECT 222+max(rowid) FROM zz)) FROM zz;
+ INSERT INTO zz SELECT a_string((SELECT 222+max(rowid) FROM zz)) FROM zz;
+ INSERT INTO zz SELECT a_string((SELECT 222+max(rowid) FROM zz)) FROM zz;
+ COMMIT;
+ BEGIN;
+ UPDATE zz SET top = a_string(345);
+} {delete}
+
+proc lockout {method args} { return SQLITE_IOERR }
+tv script lockout
+tv filter {xWrite xTruncate xSync}
+do_catchsql_test pager1-11.2 { COMMIT } {1 {disk I/O error}}
+
+tv script {}
+do_test pager1-11.3 {
+ sqlite3 db2 test.db
+ execsql {
+ PRAGMA journal_mode = TRUNCATE;
+ PRAGMA integrity_check;
+ } db2
+} {truncate ok}
+do_test pager1-11.4 {
+ db2 close
+ file exists test.db-journal
+} {0}
+do_execsql_test pager1-11.5 { SELECT count(*) FROM zz } {32}
+db close
+tv delete
+
+#-------------------------------------------------------------------------
+# Test "PRAGMA page_size"
+#
+testvfs tv -default 1
+tv sectorsize 1024
+foreach pagesize {
+ 512 1024 2048 4096 8192 16384 32768
+} {
+ faultsim_delete_and_reopen
+
+ # The sector-size (according to the VFS) is 1024 bytes. So if the
+ # page-size requested using "PRAGMA page_size" is greater than the
+ # compile time value of SQLITE_MAX_PAGE_SIZE, then the effective
+ # page-size remains 1024 bytes.
+ #
+ set eff $pagesize
+ if {$eff > $::SQLITE_MAX_PAGE_SIZE} { set eff 1024 }
+
+ do_test pager1-12.$pagesize.1 {
+ sqlite3 db2 test.db
+ execsql "
+ PRAGMA page_size = $pagesize;
+ CREATE VIEW v AS SELECT * FROM sqlite_master;
+ " db2
+ file size test.db
+ } $eff
+ do_test pager1-12.$pagesize.2 {
+ sqlite3 db2 test.db
+ execsql {
+ SELECT count(*) FROM v;
+ PRAGMA main.page_size;
+ } db2
+ } [list 1 $eff]
+ do_test pager1-12.$pagesize.3 {
+ execsql {
+ SELECT count(*) FROM v;
+ PRAGMA main.page_size;
+ }
+ } [list 1 $eff]
+ db2 close
+}
+db close
+tv delete
+
+#-------------------------------------------------------------------------
+# Test specal "PRAGMA journal_mode=PERSIST" test cases.
+#
+# pager1-13.1.*: This tests a special case encountered in persistent
+# journal mode: If the journal associated with a transaction
+# is smaller than the journal file (because a previous
+# transaction left a very large non-hot journal file in the
+# file-system), then SQLite has to be careful that there is
+# not a journal-header left over from a previous transaction
+# immediately following the journal content just written.
+# If there is, and the process crashes so that the journal
+# becomes a hot-journal and must be rolled back by another
+# process, there is a danger that the other process may roll
+# back the aborted transaction, then continue copying data
+# from an older transaction from the remainder of the journal.
+# See the syncJournal() function for details.
+#
+# pager1-13.2.*: Same test as the previous. This time, throw an index into
+# the mix to make the integrity-check more likely to catch
+# errors.
+#
+testvfs tv -default 1
+tv script xSyncCb
+tv filter xSync
+proc xSyncCb {method filename args} {
+ set t [file tail $filename]
+ if {$t == "test.db"} faultsim_save
+ return SQLITE_OK
+}
+faultsim_delete_and_reopen
+db func a_string a_string
+
+# The UPDATE statement at the end of this test case creates a really big
+# journal. Since the cache-size is only 10 pages, the journal contains
+# frequent journal headers.
+#
+do_execsql_test pager1-13.1.1 {
+ PRAGMA page_size = 1024;
+ PRAGMA journal_mode = PERSIST;
+ PRAGMA cache_size = 10;
+ BEGIN;
+ CREATE TABLE t1(a INTEGER PRIMARY KEY, b BLOB);
+ INSERT INTO t1 VALUES(NULL, a_string(400));
+ INSERT INTO t1 SELECT NULL, a_string(400) FROM t1; /* 2 */
+ INSERT INTO t1 SELECT NULL, a_string(400) FROM t1; /* 4 */
+ INSERT INTO t1 SELECT NULL, a_string(400) FROM t1; /* 8 */
+ INSERT INTO t1 SELECT NULL, a_string(400) FROM t1; /* 16 */
+ INSERT INTO t1 SELECT NULL, a_string(400) FROM t1; /* 32 */
+ INSERT INTO t1 SELECT NULL, a_string(400) FROM t1; /* 64 */
+ INSERT INTO t1 SELECT NULL, a_string(400) FROM t1; /* 128 */
+ COMMIT;
+ UPDATE t1 SET b = a_string(400);
+} {persist}
+
+# Run transactions of increasing sizes. Eventually, one (or more than one)
+# of these will write just enough content that one of the old headers created
+# by the transaction in the block above lies immediately after the content
+# journalled by the current transaction.
+#
+for {set nUp 1} {$nUp<64} {incr nUp} {
+ do_execsql_test pager1-13.1.2.$nUp.1 {
+ UPDATE t1 SET b = a_string(399) WHERE a <= $nUp
+ } {}
+ do_execsql_test pager1-13.1.2.$nUp.2 { PRAGMA integrity_check } {ok}
+
+ # Try to access the snapshot of the file-system.
+ #
+ sqlite3 db2 sv_test.db
+ do_test pager1-13.1.2.$nUp.3 {
+ execsql { SELECT sum(length(b)) FROM t1 } db2
+ } [expr {128*400 - ($nUp-1)}]
+ do_test pager1-13.1.2.$nUp.4 {
+ execsql { PRAGMA integrity_check } db2
+ } {ok}
+ db2 close
+}
+
+# Same test as above. But this time with an index on the table.
+#
+do_execsql_test pager1-13.2.1 {
+ CREATE INDEX i1 ON t1(b);
+ UPDATE t1 SET b = a_string(400);
+} {}
+for {set nUp 1} {$nUp<64} {incr nUp} {
+ do_execsql_test pager1-13.2.2.$nUp.1 {
+ UPDATE t1 SET b = a_string(399) WHERE a <= $nUp
+ } {}
+ do_execsql_test pager1-13.2.2.$nUp.2 { PRAGMA integrity_check } {ok}
+ sqlite3 db2 sv_test.db
+ do_test pager1-13.2.2.$nUp.3 {
+ execsql { SELECT sum(length(b)) FROM t1 } db2
+ } [expr {128*400 - ($nUp-1)}]
+ do_test pager1-13.2.2.$nUp.4 {
+ execsql { PRAGMA integrity_check } db2
+ } {ok}
+ db2 close
+}
+
+db close
+tv delete
+
+#-------------------------------------------------------------------------
+# Test specal "PRAGMA journal_mode=OFF" test cases.
+#
+faultsim_delete_and_reopen
+do_execsql_test pager1-14.1.1 {
+ PRAGMA journal_mode = OFF;
+ CREATE TABLE t1(a, b);
+ BEGIN;
+ INSERT INTO t1 VALUES(1, 2);
+ COMMIT;
+ SELECT * FROM t1;
+} {off 1 2}
+do_catchsql_test pager1-14.1.2 {
+ BEGIN;
+ INSERT INTO t1 VALUES(3, 4);
+ ROLLBACK;
+} {0 {}}
+do_execsql_test pager1-14.1.3 {
+ SELECT * FROM t1;
+} {1 2}
+do_catchsql_test pager1-14.1.4 {
+ BEGIN;
+ INSERT INTO t1(rowid, a, b) SELECT a+3, b, b FROM t1;
+ INSERT INTO t1(rowid, a, b) SELECT a+3, b, b FROM t1;
+} {1 {PRIMARY KEY must be unique}}
+do_execsql_test pager1-14.1.5 {
+ COMMIT;
+ SELECT * FROM t1;
+} {1 2 2 2}
+
+#-------------------------------------------------------------------------
+# Test opening and closing the pager sub-system with different values
+# for the sqlite3_vfs.szOsFile variable.
+#
+faultsim_delete_and_reopen
+do_execsql_test pager1-15.0 {
+ CREATE TABLE tx(y, z);
+ INSERT INTO tx VALUES('Ayutthaya', 'Beijing');
+ INSERT INTO tx VALUES('London', 'Tokyo');
+} {}
+db close
+for {set i 0} {$i<513} {incr i 3} {
+ testvfs tv -default 1 -szosfile $i
+ sqlite3 db test.db
+ do_execsql_test pager1-15.$i.1 {
+ SELECT * FROM tx;
+ } {Ayutthaya Beijing London Tokyo}
+ db close
+ tv delete
+}
+
+#-------------------------------------------------------------------------
+# Check that it is not possible to open a database file if the full path
+# to the associated journal file will be longer than sqlite3_vfs.mxPathname.
+#
+testvfs tv -default 1
+tv script xOpenCb
+tv filter xOpen
+proc xOpenCb {method filename} {
+ set ::file_len [string length $filename]
+}
+sqlite3 db test.db
+db close
+tv delete
+
+for {set ii [expr $::file_len-5]} {$ii < [expr $::file_len+20]} {incr ii} {
+ testvfs tv -default 1 -mxpathname $ii
+
+ # The length of the full path to file "test.db-journal" is ($::file_len+8).
+ # If the configured sqlite3_vfs.mxPathname value greater than or equal to
+ # this, then the file can be opened. Otherwise, it cannot.
+ #
+ if {$ii >= [expr $::file_len+8]} {
+ set res {0 {}}
+ } else {
+ set res {1 {unable to open database file}}
+ }
+
+ do_test pager1-16.1.$ii {
+ list [catch { sqlite3 db test.db } msg] $msg
+ } $res
+
+ catch {db close}
+ tv delete
+}
+
+#-------------------------------------------------------------------------
+# Test "PRAGMA omit_readlock".
+#
+# pager1-17.$tn.1.*: Test that if a second connection has an open
+# read-transaction, it is not usually possible to write
+# the database.
+#
+# pager1-17.$tn.2.*: Test that if the second connection was opened with
+# the SQLITE_OPEN_READONLY flag, and
+# "PRAGMA omit_readlock = 1" is executed before attaching
+# the database and opening a read-transaction on it, it is
+# possible to write the db.
+#
+# pager1-17.$tn.3.*: Test that if the second connection was *not* opened with
+# the SQLITE_OPEN_READONLY flag, executing
+# "PRAGMA omit_readlock = 1" has no effect.
+#
+do_multiclient_test tn {
+ do_test pager1-17.$tn.1.1 {
+ sql1 {
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES(1, 2);
+ }
+ sql2 {
+ BEGIN;
+ SELECT * FROM t1;
+ }
+ } {1 2}
+ do_test pager1-17.$tn.1.2 {
+ csql1 { INSERT INTO t1 VALUES(3, 4) }
+ } {1 {database is locked}}
+ do_test pager1-17.$tn.1.3 {
+ sql2 { COMMIT }
+ sql1 { INSERT INTO t1 VALUES(3, 4) }
+ } {}
+
+ do_test pager1-17.$tn.2.1 {
+ code2 {
+ db2 close
+ sqlite3 db2 :memory: -readonly 1
+ }
+ sql2 {
+ PRAGMA omit_readlock = 1;
+ ATTACH 'test.db' AS two;
+ BEGIN;
+ SELECT * FROM t1;
+ }
+ } {1 2 3 4}
+ do_test pager1-17.$tn.2.2 { sql1 "INSERT INTO t1 VALUES(5, 6)" } {}
+ do_test pager1-17.$tn.2.3 { sql2 "SELECT * FROM t1" } {1 2 3 4}
+ do_test pager1-17.$tn.2.4 { sql2 "COMMIT ; SELECT * FROM t1" } {1 2 3 4 5 6}
+
+ do_test pager1-17.$tn.3.1 {
+ code2 {
+ db2 close
+ sqlite3 db2 :memory:
+ }
+ sql2 {
+ PRAGMA omit_readlock = 1;
+ ATTACH 'test.db' AS two;
+ BEGIN;
+ SELECT * FROM t1;
+ }
+ } {1 2 3 4 5 6}
+ do_test pager1-17.$tn.3.2 {
+ csql1 { INSERT INTO t1 VALUES(3, 4) }
+ } {1 {database is locked}}
+ do_test pager1-17.$tn.3.3 { sql2 COMMIT } {}
+}
+
+#-------------------------------------------------------------------------
+# Test the pagers response to the b-tree layer requesting illegal page
+# numbers:
+#
+# + The locking page,
+# + Page 0,
+# + A page with a page number greater than (2^31-1).
+#
+do_test pager1-18.1 {
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ PRAGMA page_size = 1024;
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES(a_string(500), a_string(200));
+ INSERT INTO t1 SELECT a_string(500), a_string(200) FROM t1;
+ INSERT INTO t1 SELECT a_string(500), a_string(200) FROM t1;
+ INSERT INTO t1 SELECT a_string(500), a_string(200) FROM t1;
+ INSERT INTO t1 SELECT a_string(500), a_string(200) FROM t1;
+ INSERT INTO t1 SELECT a_string(500), a_string(200) FROM t1;
+ INSERT INTO t1 SELECT a_string(500), a_string(200) FROM t1;
+ INSERT INTO t1 SELECT a_string(500), a_string(200) FROM t1;
+ }
+} {}
+do_test pager1-18.2 {
+ set root [db one "SELECT rootpage FROM sqlite_master"]
+ set lockingpage [expr (0x10000/1024) + 1]
+ execsql {
+ PRAGMA writable_schema = 1;
+ UPDATE sqlite_master SET rootpage = $lockingpage;
+ }
+ sqlite3 db2 test.db
+ catchsql { SELECT count(*) FROM t1 } db2
+} {1 {database disk image is malformed}}
+db2 close
+do_test pager1-18.3 {
+ execsql {
+ CREATE TABLE t2(x);
+ INSERT INTO t2 VALUES(a_string(5000));
+ }
+ set pgno [expr ([file size test.db] / 1024)-2]
+ hexio_write test.db [expr ($pgno-1)*1024] 00000000
+ sqlite3 db2 test.db
+ catchsql { SELECT length(x) FROM t2 } db2
+} {1 {database disk image is malformed}}
+db2 close
+do_test pager1-18.4 {
+ hexio_write test.db [expr ($pgno-1)*1024] 90000000
+ sqlite3 db2 test.db
+ catchsql { SELECT length(x) FROM t2 } db2
+} {1 {database disk image is malformed}}
+db2 close
+do_test pager1-18.5 {
+ sqlite3 db ""
+ execsql {
+ CREATE TABLE t1(a, b);
+ CREATE TABLE t2(a, b);
+ PRAGMA writable_schema = 1;
+ UPDATE sqlite_master SET rootpage=5 WHERE tbl_name = 't1';
+ PRAGMA writable_schema = 0;
+ ALTER TABLE t1 RENAME TO x1;
+ }
+ catchsql { SELECT * FROM x1 }
+} {1 {database disk image is malformed}}
+db close
+
+do_test pager1-18.6 {
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ PRAGMA page_size = 1024;
+ CREATE TABLE t1(x);
+ INSERT INTO t1 VALUES(a_string(800));
+ INSERT INTO t1 VALUES(a_string(800));
+ }
+
+ set root [db one "SELECT rootpage FROM sqlite_master"]
+ db close
+
+ hexio_write test.db [expr ($root-1)*1024 + 8] 00000000
+ sqlite3 db test.db
+ catchsql { SELECT length(x) FROM t1 }
+} {1 {database disk image is malformed}}
+
+do_test pager1-19.1 {
+ sqlite3 db ""
+ db func a_string a_string
+ execsql {
+ PRAGMA page_size = 512;
+ PRAGMA auto_vacuum = 1;
+ CREATE TABLE t1(aa, ab, ac, ad, ae, af, ag, ah, ai, aj, ak, al, am, an,
+ ba, bb, bc, bd, be, bf, bg, bh, bi, bj, bk, bl, bm, bn,
+ ca, cb, cc, cd, ce, cf, cg, ch, ci, cj, ck, cl, cm, cn,
+ da, db, dc, dd, de, df, dg, dh, di, dj, dk, dl, dm, dn,
+ ea, eb, ec, ed, ee, ef, eg, eh, ei, ej, ek, el, em, en,
+ fa, fb, fc, fd, fe, ff, fg, fh, fi, fj, fk, fl, fm, fn,
+ ga, gb, gc, gd, ge, gf, gg, gh, gi, gj, gk, gl, gm, gn,
+ ha, hb, hc, hd, he, hf, hg, hh, hi, hj, hk, hl, hm, hn,
+ ia, ib, ic, id, ie, if, ig, ih, ii, ij, ik, il, im, ix,
+ ja, jb, jc, jd, je, jf, jg, jh, ji, jj, jk, jl, jm, jn,
+ ka, kb, kc, kd, ke, kf, kg, kh, ki, kj, kk, kl, km, kn,
+ la, lb, lc, ld, le, lf, lg, lh, li, lj, lk, ll, lm, ln,
+ ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml, mm, mn
+ );
+ CREATE TABLE t2(aa, ab, ac, ad, ae, af, ag, ah, ai, aj, ak, al, am, an,
+ ba, bb, bc, bd, be, bf, bg, bh, bi, bj, bk, bl, bm, bn,
+ ca, cb, cc, cd, ce, cf, cg, ch, ci, cj, ck, cl, cm, cn,
+ da, db, dc, dd, de, df, dg, dh, di, dj, dk, dl, dm, dn,
+ ea, eb, ec, ed, ee, ef, eg, eh, ei, ej, ek, el, em, en,
+ fa, fb, fc, fd, fe, ff, fg, fh, fi, fj, fk, fl, fm, fn,
+ ga, gb, gc, gd, ge, gf, gg, gh, gi, gj, gk, gl, gm, gn,
+ ha, hb, hc, hd, he, hf, hg, hh, hi, hj, hk, hl, hm, hn,
+ ia, ib, ic, id, ie, if, ig, ih, ii, ij, ik, il, im, ix,
+ ja, jb, jc, jd, je, jf, jg, jh, ji, jj, jk, jl, jm, jn,
+ ka, kb, kc, kd, ke, kf, kg, kh, ki, kj, kk, kl, km, kn,
+ la, lb, lc, ld, le, lf, lg, lh, li, lj, lk, ll, lm, ln,
+ ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml, mm, mn
+ );
+ INSERT INTO t1(aa) VALUES( a_string(100000) );
+ INSERT INTO t2(aa) VALUES( a_string(100000) );
+ VACUUM;
+ }
+} {}
+
+#-------------------------------------------------------------------------
+# Test a couple of special cases that come up while committing
+# transactions:
+#
+# pager1-20.1.*: Committing an in-memory database transaction when the
+# database has not been modified at all.
+#
+# pager1-20.2.*: As above, but with a normal db in exclusive-locking mode.
+#
+# pager1-20.3.*: Committing a transaction in WAL mode where the database has
+# been modified, but all dirty pages have been flushed to
+# disk before the commit.
+#
+do_test pager1-20.1.1 {
+ catch {db close}
+ sqlite3 db :memory:
+ execsql {
+ CREATE TABLE one(two, three);
+ INSERT INTO one VALUES('a', 'b');
+ }
+} {}
+do_test pager1-20.1.2 {
+ execsql {
+ BEGIN EXCLUSIVE;
+ COMMIT;
+ }
+} {}
+
+do_test pager1-20.2.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA locking_mode = exclusive;
+ PRAGMA journal_mode = persist;
+ CREATE TABLE one(two, three);
+ INSERT INTO one VALUES('a', 'b');
+ }
+} {exclusive persist}
+do_test pager1-20.2.2 {
+ execsql {
+ BEGIN EXCLUSIVE;
+ COMMIT;
+ }
+} {}
+
+ifcapable wal {
+ do_test pager1-20.3.1 {
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ PRAGMA cache_size = 10;
+ PRAGMA journal_mode = wal;
+ BEGIN;
+ CREATE TABLE t1(x);
+ CREATE TABLE t2(y);
+ INSERT INTO t1 VALUES(a_string(800));
+ INSERT INTO t1 SELECT a_string(800) FROM t1; /* 2 */
+ INSERT INTO t1 SELECT a_string(800) FROM t1; /* 4 */
+ INSERT INTO t1 SELECT a_string(800) FROM t1; /* 8 */
+ INSERT INTO t1 SELECT a_string(800) FROM t1; /* 16 */
+ INSERT INTO t1 SELECT a_string(800) FROM t1; /* 32 */
+ COMMIT;
+ }
+ } {wal}
+ do_test pager1-20.3.2 {
+ execsql {
+ BEGIN;
+ INSERT INTO t2 VALUES('xxxx');
+ }
+ recursive_select 32 t1
+ execsql COMMIT
+ } {}
+}
+
+#-------------------------------------------------------------------------
+# Test that a WAL database may not be opened if:
+#
+# pager1-21.1.*: The VFS has an iVersion less than 2, or
+# pager1-21.2.*: The VFS does not provide xShmXXX() methods.
+#
+ifcapable wal {
+ do_test pager1-21.0 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA journal_mode = WAL;
+ CREATE TABLE ko(c DEFAULT 'abc', b DEFAULT 'def');
+ INSERT INTO ko DEFAULT VALUES;
+ }
+ } {wal}
+ do_test pager1-21.1 {
+ testvfs tv -noshm 1
+ sqlite3 db2 test.db -vfs tv
+ catchsql { SELECT * FROM ko } db2
+ } {1 {unable to open database file}}
+ db2 close
+ tv delete
+ do_test pager1-21.2 {
+ testvfs tv -iversion 1
+ sqlite3 db2 test.db -vfs tv
+ catchsql { SELECT * FROM ko } db2
+ } {1 {unable to open database file}}
+ db2 close
+ tv delete
+}
+
+#-------------------------------------------------------------------------
+# Test that a "PRAGMA wal_checkpoint":
+#
+# pager1-22.1.*: is a no-op on a non-WAL db, and
+# pager1-22.2.*: does not cause xSync calls with a synchronous=off db.
+#
+do_test pager1-22.1.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ CREATE TABLE ko(c DEFAULT 'abc', b DEFAULT 'def');
+ INSERT INTO ko DEFAULT VALUES;
+ }
+ execsql { PRAGMA wal_checkpoint }
+} {0 -1 -1}
+do_test pager1-22.2.1 {
+ testvfs tv -default 1
+ tv filter xSync
+ tv script xSyncCb
+ proc xSyncCb {args} {incr ::synccount}
+ set ::synccount 0
+ sqlite3 db test.db
+ execsql {
+ PRAGMA synchronous = off;
+ PRAGMA journal_mode = WAL;
+ INSERT INTO ko DEFAULT VALUES;
+ }
+ execsql { PRAGMA wal_checkpoint }
+ set synccount
+} {0}
+db close
+tv delete
+
+#-------------------------------------------------------------------------
+# Tests for changing journal mode.
+#
+# pager1-23.1.*: Test that when changing from PERSIST to DELETE mode,
+# the journal file is deleted.
+#
+# pager1-23.2.*: Same test as above, but while a shared lock is held
+# on the database file.
+#
+# pager1-23.3.*: Same test as above, but while a reserved lock is held
+# on the database file.
+#
+# pager1-23.4.*: And, for fun, while holding an exclusive lock.
+#
+# pager1-23.5.*: Try to set various different journal modes with an
+# in-memory database (only MEMORY and OFF should work).
+#
+# pager1-23.6.*: Try to set locking_mode=normal on an in-memory database
+# (doesn't work - in-memory databases always use
+# locking_mode=exclusive).
+#
+do_test pager1-23.1.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA journal_mode = PERSIST;
+ CREATE TABLE t1(a, b);
+ }
+ file exists test.db-journal
+} {1}
+do_test pager1-23.1.2 {
+ execsql { PRAGMA journal_mode = DELETE }
+ file exists test.db-journal
+} {0}
+
+do_test pager1-23.2.1 {
+ execsql {
+ PRAGMA journal_mode = PERSIST;
+ INSERT INTO t1 VALUES('Canberra', 'ACT');
+ }
+ db eval { SELECT * FROM t1 } {
+ db eval { PRAGMA journal_mode = DELETE }
+ }
+ execsql { PRAGMA journal_mode }
+} {delete}
+do_test pager1-23.2.2 {
+ file exists test.db-journal
+} {0}
+
+do_test pager1-23.3.1 {
+ execsql {
+ PRAGMA journal_mode = PERSIST;
+ INSERT INTO t1 VALUES('Darwin', 'NT');
+ BEGIN IMMEDIATE;
+ }
+ db eval { PRAGMA journal_mode = DELETE }
+ execsql { PRAGMA journal_mode }
+} {delete}
+do_test pager1-23.3.2 {
+ file exists test.db-journal
+} {0}
+do_test pager1-23.3.3 {
+ execsql COMMIT
+} {}
+
+do_test pager1-23.4.1 {
+ execsql {
+ PRAGMA journal_mode = PERSIST;
+ INSERT INTO t1 VALUES('Adelaide', 'SA');
+ BEGIN EXCLUSIVE;
+ }
+ db eval { PRAGMA journal_mode = DELETE }
+ execsql { PRAGMA journal_mode }
+} {delete}
+do_test pager1-23.4.2 {
+ file exists test.db-journal
+} {0}
+do_test pager1-23.4.3 {
+ execsql COMMIT
+} {}
+
+do_test pager1-23.5.1 {
+ faultsim_delete_and_reopen
+ sqlite3 db :memory:
+} {}
+foreach {tn mode possible} {
+ 2 off 1
+ 3 memory 1
+ 4 persist 0
+ 5 delete 0
+ 6 wal 0
+ 7 truncate 0
+} {
+ do_test pager1-23.5.$tn.1 {
+ execsql "PRAGMA journal_mode = off"
+ execsql "PRAGMA journal_mode = $mode"
+ } [if $possible {list $mode} {list off}]
+ do_test pager1-23.5.$tn.2 {
+ execsql "PRAGMA journal_mode = memory"
+ execsql "PRAGMA journal_mode = $mode"
+ } [if $possible {list $mode} {list memory}]
+}
+do_test pager1-23.6.1 {
+ execsql {PRAGMA locking_mode = normal}
+} {exclusive}
+do_test pager1-23.6.2 {
+ execsql {PRAGMA locking_mode = exclusive}
+} {exclusive}
+do_test pager1-23.6.3 {
+ execsql {PRAGMA locking_mode}
+} {exclusive}
+do_test pager1-23.6.4 {
+ execsql {PRAGMA main.locking_mode}
+} {exclusive}
+
+#-------------------------------------------------------------------------
+#
+do_test pager1-24.1.1 {
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ PRAGMA cache_size = 10;
+ PRAGMA auto_vacuum = FULL;
+ CREATE TABLE x1(x, y, z, PRIMARY KEY(y, z));
+ CREATE TABLE x2(x, y, z, PRIMARY KEY(y, z));
+ INSERT INTO x2 VALUES(a_string(400), a_string(500), a_string(600));
+ INSERT INTO x2 SELECT a_string(600), a_string(400), a_string(500) FROM x2;
+ INSERT INTO x2 SELECT a_string(500), a_string(600), a_string(400) FROM x2;
+ INSERT INTO x2 SELECT a_string(400), a_string(500), a_string(600) FROM x2;
+ INSERT INTO x2 SELECT a_string(600), a_string(400), a_string(500) FROM x2;
+ INSERT INTO x2 SELECT a_string(500), a_string(600), a_string(400) FROM x2;
+ INSERT INTO x2 SELECT a_string(400), a_string(500), a_string(600) FROM x2;
+ INSERT INTO x1 SELECT * FROM x2;
+ }
+} {}
+do_test pager1-24.1.2 {
+ execsql {
+ BEGIN;
+ DELETE FROM x1 WHERE rowid<32;
+ }
+ recursive_select 64 x2
+} {}
+do_test pager1-24.1.3 {
+ execsql {
+ UPDATE x1 SET z = a_string(300) WHERE rowid>40;
+ COMMIT;
+ PRAGMA integrity_check;
+ SELECT count(*) FROM x1;
+ }
+} {ok 33}
+
+do_test pager1-24.1.4 {
+ execsql {
+ DELETE FROM x1;
+ INSERT INTO x1 SELECT * FROM x2;
+ BEGIN;
+ DELETE FROM x1 WHERE rowid<32;
+ UPDATE x1 SET z = a_string(299) WHERE rowid>40;
+ }
+ recursive_select 64 x2 {db eval COMMIT}
+ execsql {
+ PRAGMA integrity_check;
+ SELECT count(*) FROM x1;
+ }
+} {ok 33}
+
+do_test pager1-24.1.5 {
+ execsql {
+ DELETE FROM x1;
+ INSERT INTO x1 SELECT * FROM x2;
+ }
+ recursive_select 64 x2 { db eval {CREATE TABLE x3(x, y, z)} }
+ execsql { SELECT * FROM x3 }
+} {}
+
+#-------------------------------------------------------------------------
+#
+do_test pager1-25-1 {
+ faultsim_delete_and_reopen
+ execsql {
+ BEGIN;
+ SAVEPOINT abc;
+ CREATE TABLE t1(a, b);
+ ROLLBACK TO abc;
+ COMMIT;
+ }
+ db close
+} {}
+breakpoint
+do_test pager1-25-2 {
+ faultsim_delete_and_reopen
+ execsql {
+ SAVEPOINT abc;
+ CREATE TABLE t1(a, b);
+ ROLLBACK TO abc;
+ COMMIT;
+ }
+ db close
+} {}
+
+#-------------------------------------------------------------------------
+# Sector-size tests.
+#
+do_test pager1-26.1 {
+ testvfs tv -default 1
+ tv sectorsize 4096
+ faultsim_delete_and_reopen
+ db func a_string a_string
+ execsql {
+ PRAGMA page_size = 512;
+ CREATE TABLE tbl(a PRIMARY KEY, b UNIQUE);
+ BEGIN;
+ INSERT INTO tbl VALUES(a_string(25), a_string(600));
+ INSERT INTO tbl SELECT a_string(25), a_string(600) FROM tbl;
+ INSERT INTO tbl SELECT a_string(25), a_string(600) FROM tbl;
+ INSERT INTO tbl SELECT a_string(25), a_string(600) FROM tbl;
+ INSERT INTO tbl SELECT a_string(25), a_string(600) FROM tbl;
+ INSERT INTO tbl SELECT a_string(25), a_string(600) FROM tbl;
+ INSERT INTO tbl SELECT a_string(25), a_string(600) FROM tbl;
+ INSERT INTO tbl SELECT a_string(25), a_string(600) FROM tbl;
+ COMMIT;
+ }
+} {}
+do_execsql_test pager1-26.1 {
+ UPDATE tbl SET b = a_string(550);
+} {}
+db close
+tv delete
+
+#-------------------------------------------------------------------------
+#
+do_test pager1.27.1 {
+ faultsim_delete_and_reopen
+ sqlite3_pager_refcounts db
+ execsql {
+ BEGIN;
+ CREATE TABLE t1(a, b);
+ }
+ sqlite3_pager_refcounts db
+ execsql COMMIT
+} {}
+
+#-------------------------------------------------------------------------
+# Test that attempting to open a write-transaction with
+# locking_mode=exclusive in WAL mode fails if there are other clients on
+# the same database.
+#
+catch { db close }
+ifcapable wal {
+ do_multiclient_test tn {
+ do_test pager1-28.$tn.1 {
+ sql1 {
+ PRAGMA journal_mode = WAL;
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES('a', 'b');
+ }
+ } {wal}
+ do_test pager1-28.$tn.2 { sql2 { SELECT * FROM t1 } } {a b}
+
+ do_test pager1-28.$tn.3 { sql1 { PRAGMA locking_mode=exclusive } } {exclusive}
+ do_test pager1-28.$tn.4 {
+ csql1 { BEGIN; INSERT INTO t1 VALUES('c', 'd'); }
+ } {1 {database is locked}}
+ code2 { db2 close ; sqlite3 db2 test.db }
+ do_test pager1-28.$tn.4 {
+ sql1 { INSERT INTO t1 VALUES('c', 'd'); COMMIT }
+ } {}
+ }
+}
+
+#-------------------------------------------------------------------------
+# Normally, when changing from journal_mode=PERSIST to DELETE the pager
+# attempts to delete the journal file. However, if it cannot obtain a
+# RESERVED lock on the database file, this step is skipped.
+#
+do_multiclient_test tn {
+ do_test pager1-28.$tn.1 {
+ sql1 {
+ PRAGMA journal_mode = PERSIST;
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES('a', 'b');
+ }
+ } {persist}
+ do_test pager1-28.$tn.2 { file exists test.db-journal } 1
+ do_test pager1-28.$tn.3 { sql1 { PRAGMA journal_mode = DELETE } } delete
+ do_test pager1-28.$tn.4 { file exists test.db-journal } 0
+
+ do_test pager1-28.$tn.5 {
+ sql1 {
+ PRAGMA journal_mode = PERSIST;
+ INSERT INTO t1 VALUES('c', 'd');
+ }
+ } {persist}
+ do_test pager1-28.$tn.6 { file exists test.db-journal } 1
+ do_test pager1-28.$tn.7 {
+ sql2 { BEGIN; INSERT INTO t1 VALUES('e', 'f'); }
+ } {}
+ do_test pager1-28.$tn.8 { file exists test.db-journal } 1
+ do_test pager1-28.$tn.9 { sql1 { PRAGMA journal_mode = DELETE } } delete
+ do_test pager1-28.$tn.10 { file exists test.db-journal } 1
+
+ do_test pager1-28.$tn.11 { sql2 COMMIT } {}
+ do_test pager1-28.$tn.12 { file exists test.db-journal } 0
+
+ do_test pager1-28-$tn.13 {
+ code1 { set channel [db incrblob -readonly t1 a 2] }
+ sql1 {
+ PRAGMA journal_mode = PERSIST;
+ INSERT INTO t1 VALUES('g', 'h');
+ }
+ } {persist}
+ do_test pager1-28.$tn.14 { file exists test.db-journal } 1
+ do_test pager1-28.$tn.15 {
+ sql2 { BEGIN; INSERT INTO t1 VALUES('e', 'f'); }
+ } {}
+ do_test pager1-28.$tn.16 { sql1 { PRAGMA journal_mode = DELETE } } delete
+ do_test pager1-28.$tn.17 { file exists test.db-journal } 1
+
+ do_test pager1-28.$tn.17 { csql2 { COMMIT } } {1 {database is locked}}
+ do_test pager1-28-$tn.18 { code1 { read $channel } } c
+ do_test pager1-28-$tn.19 { code1 { close $channel } } {}
+ do_test pager1-28.$tn.20 { sql2 { COMMIT } } {}
+}
+
+do_test pager1-29.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA page_size = 1024;
+ PRAGMA auto_vacuum = full;
+ PRAGMA locking_mode=exclusive;
+ CREATE TABLE t1(a, b);
+ INSERT INTO t1 VALUES(1, 2);
+ }
+ file size test.db
+} [expr 1024*3]
+do_test pager1-29.2 {
+ execsql {
+ PRAGMA page_size = 4096;
+ VACUUM;
+ }
+ file size test.db
+} [expr 4096*3]
+
+#-------------------------------------------------------------------------
+# Test that if an empty database file (size 0 bytes) is opened in
+# exclusive-locking mode, any journal file is deleted from the file-system
+# without being rolled back. And that the RESERVED lock obtained while
+# doing this is not released.
+#
+do_test pager1-30.1 {
+ db close
+ file delete test.db
+ file delete test.db-journal
+ set fd [open test.db-journal w]
+ seek $fd [expr 512+1032*2]
+ puts -nonewline $fd x
+ close $fd
+
+ sqlite3 db test.db
+ execsql {
+ PRAGMA locking_mode=EXCLUSIVE;
+ SELECT count(*) FROM sqlite_master;
+ PRAGMA lock_status;
+ }
+} {exclusive 0 main reserved temp closed}
+
+#-------------------------------------------------------------------------
+# Test that if the "page-size" field in a journal-header is 0, the journal
+# file can still be rolled back. This is required for backward compatibility -
+# versions of SQLite prior to 3.5.8 always set this field to zero.
+#
+do_test pager1-31.1 {
+ faultsim_delete_and_reopen
+ execsql {
+ PRAGMA cache_size = 10;
+ PRAGMA page_size = 1024;
+ CREATE TABLE t1(x, y, UNIQUE(x, y));
+ INSERT INTO t1 VALUES(randomblob(1500), randomblob(1500));
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ INSERT INTO t1 SELECT randomblob(1500), randomblob(1500) FROM t1;
+ BEGIN;
+ UPDATE t1 SET y = randomblob(1499);
+ }
+ file copy test.db test.db2
+ file copy test.db-journal test.db2-journal
+
+ hexio_write test.db2-journal 24 00000000
+ sqlite3 db2 test.db2
+ execsql { PRAGMA integrity_check } db2
+} {ok}
+
+
+
+finish_test
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