Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/journal2.test
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testdata/tcl/journal2.test
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# 2010 June 16
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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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# This file implements regression tests for SQLite library. Specifically,
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# it tests SQLite when using a VFS that claims the SAFE_DELETE property.
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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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source $testdir/lock_common.tcl
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source $testdir/malloc_common.tcl
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db close
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if {[permutation] == "inmemory_journal"} {
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finish_test
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return
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}
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set a_string_counter 1
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proc a_string {n} {
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global a_string_counter
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incr a_string_counter
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string range [string repeat "${a_string_counter}." $n] 1 $n
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}
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# Create a [testvfs] and install it as the default VFS. Set the device
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# characteristics flags to "SAFE_DELETE".
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#
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testvfs tvfs -default 1
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tvfs devchar {undeletable_when_open powersafe_overwrite}
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# Set up a hook so that each time a journal file is opened, closed or
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# deleted, the method name ("xOpen", "xClose" or "xDelete") and the final
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# segment of the journal file-name (i.e. "test.db-journal") are appended to
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# global list variable $::oplog.
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#
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tvfs filter {xOpen xClose xDelete}
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tvfs script journal_op_catcher
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proc journal_op_catcher {method filename args} {
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# If global variable ::tvfs_error_on_write is defined, then return an
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# IO error to every attempt to modify the file-system. Otherwise, return
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# SQLITE_OK.
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#
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if {[info exists ::tvfs_error_on_write]} {
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if {[lsearch {xDelete xWrite xTruncate} $method]>=0} {
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return SQLITE_IOERR
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}
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}
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# The rest of this command only deals with xOpen(), xClose() and xDelete()
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# operations on journal files. If this invocation does not represent such
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# an operation, return with no further ado.
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#
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set f [file tail $filename]
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if {[string match *journal $f]==0} return
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if {[lsearch {xOpen xDelete xClose} $method]<0} return
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# Append a record of this operation to global list variable $::oplog.
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#
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lappend ::oplog $method $f
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# If this is an attempt to delete a journal file for which there exists
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# one ore more open handles, return an error. The code in test_vfs.c
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# will not invoke the xDelete method of the "real" VFS in this case.
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#
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if {[info exists ::open_journals($f)]==0} { set ::open_journals($f) 0 }
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switch -- $method {
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xOpen { incr ::open_journals($f) +1 }
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xClose { incr ::open_journals($f) -1 }
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xDelete { if {$::open_journals($f)>0} { return SQLITE_IOERR } }
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}
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return ""
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}
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do_test journal2-1.1 {
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set ::oplog [list]
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sqlite3 db test.db
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execsql { CREATE TABLE t1(a, b) }
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set ::oplog
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} {xOpen test.db-journal xClose test.db-journal xDelete test.db-journal}
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do_test journal2-1.2 {
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set ::oplog [list]
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execsql {
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PRAGMA journal_mode = truncate;
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INSERT INTO t1 VALUES(1, 2);
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}
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set ::oplog
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} {xOpen test.db-journal}
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do_test journal2-1.3 {
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set ::oplog [list]
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execsql { INSERT INTO t1 VALUES(3, 4) }
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set ::oplog
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} {}
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do_test journal2-1.4 { execsql { SELECT * FROM t1 } } {1 2 3 4}
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# Add a second connection. This connection attempts to commit data in
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# journal_mode=DELETE mode. When it tries to delete the journal file,
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# the VFS layer returns an IO error.
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#
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do_test journal2-1.5 {
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set ::oplog [list]
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sqlite3 db2 test.db
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execsql { PRAGMA journal_mode = delete } db2
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catchsql { INSERT INTO t1 VALUES(5, 6) } db2
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} {1 {disk I/O error}}
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do_test journal2-1.6 { file exists test.db-journal } 1
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do_test journal2-1.7 { execsql { SELECT * FROM t1 } } {1 2 3 4}
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do_test journal2-1.8 {
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execsql { PRAGMA journal_mode = truncate } db2
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execsql { INSERT INTO t1 VALUES(5, 6) } db2
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} {}
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do_test journal2-1.9 { execsql { SELECT * FROM t1 } } {1 2 3 4 5 6}
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# Grow the database until it is reasonably large.
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#
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do_test journal2-1.10 {
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db2 close
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db func a_string a_string
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execsql {
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CREATE TABLE t2(a UNIQUE, b UNIQUE);
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INSERT INTO t2 VALUES(a_string(200), a_string(300));
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INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 2
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INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 4
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INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 8
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INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 16
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INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 32
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INSERT INTO t2 SELECT a_string(200), a_string(300) FROM t2; -- 64
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}
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file size test.db-journal
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} {0}
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do_test journal2-1.11 {
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set sz [expr [file size test.db] / 1024]
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expr {$sz>120 && $sz<200}
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} 1
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# Using new connection [db2] (with journal_mode=DELETE), write a lot of
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# data to the database. So that many pages within the database file are
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# modified before the transaction is committed.
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#
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# Then, enable simulated IO errors in all calls to xDelete, xWrite
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# and xTruncate before committing the transaction and closing the
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# database file. From the point of view of other file-system users, it
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# appears as if the process hosting [db2] unexpectedly exited.
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#
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do_test journal2-1.12 {
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sqlite3 db2 test.db
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execsql {
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PRAGMA cache_size = 10;
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BEGIN;
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INSERT INTO t2 SELECT randomblob(200), randomblob(300) FROM t2; -- 128
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} db2
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} {}
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do_test journal2-1.13 {
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tvfs filter {xOpen xClose xDelete xWrite xTruncate}
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set ::tvfs_error_on_write 1
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catchsql { COMMIT } db2
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} {1 {disk I/O error}}
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db2 close
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unset ::tvfs_error_on_write
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forcecopy test.db testX.db
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do_test journal2-1.14 { file exists test.db-journal } 1
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do_test journal2-1.15 {
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execsql {
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SELECT count(*) FROM t2;
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PRAGMA integrity_check;
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}
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} {64 ok}
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# This block checks that in the test case above, connection [db2] really
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# did begin writing to the database file before it hit IO errors. If
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# this is true, then the copy of the database file made before [db]
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# rolled back the hot journal should fail the integrity-check.
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#
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do_test journal2-1.16 {
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set sz [expr [file size testX.db] / 1024]
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expr {$sz>240 && $sz<400}
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} 1
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do_test journal2-1.17 {
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expr {[catchsql { PRAGMA integrity_check } db] == "0 ok"}
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} {1}
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do_test journal2-1.20 {
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sqlite3 db2 testX.db
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expr {[catchsql { PRAGMA integrity_check } db2] == "0 ok"}
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} {0}
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do_test journal2-1.21 {
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db2 close
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} {}
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db close
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#-------------------------------------------------------------------------
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# Test that it is possible to switch from journal_mode=truncate to
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# journal_mode=WAL on a SAFE_DELETE file-system. SQLite should close and
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# delete the journal file when committing the transaction that switches
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# the system to WAL mode.
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#
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if {[wal_is_capable]} {
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do_test journal2-2.1 {
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faultsim_delete_and_reopen
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set ::oplog [list]
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execsql { PRAGMA journal_mode = persist }
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set ::oplog
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} {}
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do_test journal2-2.2 {
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execsql {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(3.14159);
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}
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set ::oplog
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} {xOpen test.db-journal}
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do_test journal2-2.3 {
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expr {[file size test.db-journal] > 512}
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} {1}
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do_test journal2-2.4 {
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set ::oplog [list]
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execsql { PRAGMA journal_mode = WAL }
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set ::oplog
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} {xClose test.db-journal xDelete test.db-journal}
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db close
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}
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tvfs delete
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finish_test
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