466 lines
15 KiB
Plaintext
466 lines
15 KiB
Plaintext
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# 2001 October 12
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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. The
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# focus of this file is testing for correct handling of I/O errors
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# such as writes failing because the disk is full.
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#
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# The tests in this file use special facilities that are only
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# available in the SQLite test fixture.
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#
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# $Id: ioerr.test,v 1.43 2009/04/06 17:50:03 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# If SQLITE_DEFAULT_AUTOVACUUM is set to true, then a simulated IO error
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# on the 8th IO operation in the SQL script below doesn't report an error.
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#
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# This is because the 8th IO call attempts to read page 2 of the database
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# file when the file on disk is only 1 page. The pager layer detects that
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# this has happened and suppresses the error returned by the OS layer.
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#
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do_ioerr_test ioerr-1 -erc 1 -ckrefcount 1 -sqlprep {
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SELECT * FROM sqlite_master;
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} -sqlbody {
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CREATE TABLE t1(a,b,c);
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SELECT * FROM sqlite_master;
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BEGIN TRANSACTION;
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INSERT INTO t1 VALUES(1,2,3);
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INSERT INTO t1 VALUES(4,5,6);
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ROLLBACK;
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SELECT * FROM t1;
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BEGIN TRANSACTION;
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INSERT INTO t1 VALUES(1,2,3);
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INSERT INTO t1 VALUES(4,5,6);
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COMMIT;
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SELECT * FROM t1;
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DELETE FROM t1 WHERE a<100;
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} -exclude [expr [string match [execsql {pragma auto_vacuum}] 1] ? 4 : 0]
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# Test for IO errors during a VACUUM.
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#
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# The first IO call is excluded from the test. This call attempts to read
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# the file-header of the temporary database used by VACUUM. Since the
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# database doesn't exist at that point, the IO error is not detected.
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#
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# Additionally, if auto-vacuum is enabled, the 12th IO error is not
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# detected. Same reason as the 8th in the test case above.
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#
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ifcapable vacuum {
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do_ioerr_test ioerr-2 -cksum true -ckrefcount true -sqlprep {
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BEGIN;
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CREATE TABLE t1(a, b, c);
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INSERT INTO t1 VALUES(1, randstr(50,50), randstr(50,50));
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INSERT INTO t1 SELECT a+2, b||'-'||rowid, c||'-'||rowid FROM t1;
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INSERT INTO t1 SELECT a+4, b||'-'||rowid, c||'-'||rowid FROM t1;
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INSERT INTO t1 SELECT a+8, b||'-'||rowid, c||'-'||rowid FROM t1;
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INSERT INTO t1 SELECT a+16, b||'-'||rowid, c||'-'||rowid FROM t1;
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INSERT INTO t1 SELECT a+32, b||'-'||rowid, c||'-'||rowid FROM t1;
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INSERT INTO t1 SELECT a+64, b||'-'||rowid, c||'-'||rowid FROM t1;
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INSERT INTO t1 SELECT a+128, b||'-'||rowid, c||'-'||rowid FROM t1;
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INSERT INTO t1 VALUES(1, randstr(600,600), randstr(600,600));
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CREATE TABLE t2 AS SELECT * FROM t1;
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CREATE TABLE t3 AS SELECT * FROM t1;
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COMMIT;
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DROP TABLE t2;
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} -sqlbody {
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VACUUM;
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} -exclude [list \
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1 [expr [string match [execsql {pragma auto_vacuum}] 1]?9:-1]]
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}
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do_ioerr_test ioerr-3 -ckrefcount true -tclprep {
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execsql {
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PRAGMA cache_size = 10;
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BEGIN;
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CREATE TABLE abc(a);
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INSERT INTO abc VALUES(randstr(1500,1500)); -- Page 4 is overflow
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}
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for {set i 0} {$i<150} {incr i} {
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execsql {
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INSERT INTO abc VALUES(randstr(100,100));
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}
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}
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execsql COMMIT
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} -sqlbody {
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CREATE TABLE abc2(a);
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BEGIN;
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DELETE FROM abc WHERE length(a)>100;
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UPDATE abc SET a = randstr(90,90);
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COMMIT;
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CREATE TABLE abc3(a);
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}
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# Test IO errors that can occur retrieving a record header that flows over
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# onto an overflow page.
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do_ioerr_test ioerr-4 -ckrefcount true -tclprep {
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set sql "CREATE TABLE abc(a1"
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for {set i 2} {$i<1300} {incr i} {
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append sql ", a$i"
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}
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append sql ");"
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execsql $sql
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execsql {INSERT INTO abc (a1) VALUES(NULL)}
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} -sqlbody {
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SELECT * FROM abc;
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}
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# Test IO errors that may occur during a multi-file commit.
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#
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# Tests 8 and 17 are excluded when auto-vacuum is enabled for the same
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# reason as in test cases ioerr-1.XXX
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ifcapable attach {
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set ex ""
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if {[string match [execsql {pragma auto_vacuum}] 1]} {
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set ex [list 4 17]
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}
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do_ioerr_test ioerr-5 -restoreprng 0 -ckrefcount true -sqlprep {
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ATTACH 'test2.db' AS test2;
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} -sqlbody {
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BEGIN;
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CREATE TABLE t1(a,b,c);
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CREATE TABLE test2.t2(a,b,c);
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COMMIT;
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} -exclude $ex
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}
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# Test IO errors when replaying two hot journals from a 2-file
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# transaction. This test only runs on UNIX.
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#
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# It cannot be run under the "exclusive" permutation. In that case, the
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# locks held by the connection in the local (this) process prevent a
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# second connection from attempting the multi-file transaction.
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#
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ifcapable crashtest&&attach {
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if {![catch {sqlite3 -has-codec} r] && !$r && [permutation]!="exclusive"} {
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do_ioerr_test ioerr-6 -ckrefcount true -tclprep {
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execsql {
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ATTACH 'test2.db' as aux;
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CREATE TABLE tx(a, b);
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CREATE TABLE aux.ty(a, b);
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}
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set rc [crashsql -delay 2 -file test2.db-journal {
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ATTACH 'test2.db' as aux;
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PRAGMA cache_size = 10;
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BEGIN;
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CREATE TABLE aux.t2(a, b, c);
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CREATE TABLE t1(a, b, c);
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COMMIT;
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}]
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if {$rc!="1 {child process exited abnormally}"} {
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error "Wrong error message: $rc"
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}
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} -sqlbody {
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SELECT * FROM sqlite_master;
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SELECT * FROM aux.sqlite_master;
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}
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}
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}
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# Test handling of IO errors that occur while rolling back hot journal
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# files.
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#
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# These tests can't be run on windows because the windows version of
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# SQLite holds a mandatory exclusive lock on journal files it has open.
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#
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if {$tcl_platform(platform)!="windows"} {
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do_ioerr_test ioerr-7 -tclprep {
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db close
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sqlite3 db2 test2.db
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db2 eval {
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PRAGMA synchronous = 0;
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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BEGIN;
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INSERT INTO t1 VALUES(3, 4);
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}
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forcecopy test2.db test.db
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forcecopy test2.db-journal test.db-journal
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db2 close
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} -tclbody {
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sqlite3 db test.db
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db eval {
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SELECT * FROM t1;
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}
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} -exclude 1
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}
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# For test coverage: Cause an I/O failure while trying to read a
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# short field (one that fits into a Mem buffer without mallocing
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# for space).
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#
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do_ioerr_test ioerr-8 -ckrefcount true -tclprep {
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execsql {
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CREATE TABLE t1(a,b,c);
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INSERT INTO t1 VALUES(randstr(200,200), randstr(1000,1000), 2);
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}
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db close
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sqlite3 db test.db
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} -sqlbody {
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SELECT c FROM t1;
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}
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# For test coverage: Cause an IO error whilst reading the master-journal
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# name from a journal file.
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if {$tcl_platform(platform)=="unix"} {
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do_ioerr_test ioerr-9 -ckrefcount true -tclprep {
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execsql {
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CREATE TABLE t1(a,b,c);
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INSERT INTO t1 VALUES(randstr(200,200), randstr(1000,1000), 2);
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BEGIN;
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INSERT INTO t1 VALUES(randstr(200,200), randstr(1000,1000), 2);
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}
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forcecopy test.db-journal test2.db-journal
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execsql {
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COMMIT;
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}
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forcecopy test2.db-journal test.db-journal
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set f [open test.db-journal a]
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fconfigure $f -encoding binary
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puts -nonewline $f "hello"
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puts -nonewline $f "\x00\x00\x00\x05\x01\x02\x03\x04"
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puts -nonewline $f "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
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close $f
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} -sqlbody {
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SELECT a FROM t1;
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}
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}
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# For test coverage: Cause an IO error during statement playback (i.e.
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# a constraint).
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do_ioerr_test ioerr-10 -ckrefcount true -tclprep {
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execsql {
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BEGIN;
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CREATE TABLE t1(a PRIMARY KEY, b);
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}
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for {set i 0} {$i < 500} {incr i} {
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execsql {INSERT INTO t1 VALUES(:i, 'hello world');}
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}
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execsql {
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COMMIT;
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}
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} -tclbody {
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catch {execsql {
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BEGIN;
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INSERT INTO t1 VALUES('abc', 123);
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INSERT INTO t1 VALUES('def', 123);
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INSERT INTO t1 VALUES('ghi', 123);
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INSERT INTO t1 SELECT (a+500)%900, 'good string' FROM t1;
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}} msg
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if {$msg != "column a is not unique"} {
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error $msg
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}
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}
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# Assertion fault bug reported by alex dimitrov.
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#
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do_ioerr_test ioerr-11 -ckrefcount true -erc 1 -sqlprep {
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CREATE TABLE A(Id INTEGER, Name TEXT);
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INSERT INTO A(Id, Name) VALUES(1, 'Name');
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} -sqlbody {
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UPDATE A SET Id = 2, Name = 'Name2' WHERE Id = 1;
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}
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# Test that an io error encountered in a sync() caused by a call to
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# sqlite3_release_memory() is handled Ok. Only try this if
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# memory-management is enabled.
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#
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ifcapable memorymanage {
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do_ioerr_test memmanage-ioerr1 -ckrefcount true -sqlprep {
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BEGIN;
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CREATE TABLE t1(a, b, c);
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INSERT INTO t1 VALUES(randstr(50,50), randstr(100,100), randstr(10,10));
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INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
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INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
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INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
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INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
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INSERT INTO t1 SELECT randstr(50,50), randstr(9,9), randstr(90,90) FROM t1;
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} -tclbody {
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sqlite3_release_memory
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} -sqlbody {
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COMMIT;
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}
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}
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ifcapable pager_pragmas&&autovacuum {
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do_ioerr_test ioerr-12 -ckrefcount true -erc 1 -sqlprep {
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PRAGMA page_size = 512;
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PRAGMA auto_vacuum = incremental;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES( randomblob(1 * (512-4)) );
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INSERT INTO t1 VALUES( randomblob(110 * (512-4)) );
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INSERT INTO t1 VALUES( randomblob(2 * (512-4)) );
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INSERT INTO t1 VALUES( randomblob(110 * (512-4)) );
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INSERT INTO t1 VALUES( randomblob(3 * (512-4)) );
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DELETE FROM t1 WHERE rowid = 3;
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PRAGMA incremental_vacuum = 2;
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DELETE FROM t1 WHERE rowid = 1;
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} -sqlbody {
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PRAGMA incremental_vacuum = 1;
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}
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}
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# Usually, after a new page is allocated from the end of the file, it does
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# not need to be written to the journal. The exception is when the new page
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# shares its sector with an existing page that does need to be journalled.
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# This test case provokes this condition to test for the sake of coverage
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# that an IO error while journalling the coresident page is handled correctly.
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#
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sqlite3_simulate_device -char {} -sectorsize 2048
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do_ioerr_test ioerr-12 -ckrefcount true -erc 1 -tclprep {
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db close
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sqlite3 db test.db -vfs devsym
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# Create a test database. Page 2 is the root page of table t1. The only
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# row inserted into t1 has an overflow page - page 3. Page 3 will be
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# coresident on the 2048 byte sector with the next page to be allocated.
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#
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db eval { PRAGMA page_size = 1024 }
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db eval { CREATE TABLE t1(x) }
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db eval { INSERT INTO t1 VALUES(randomblob(1100)); }
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} -tclbody {
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db eval { INSERT INTO t1 VALUES(randomblob(2000)); }
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}
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sqlite3_simulate_device -char {} -sectorsize 0
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catch {db close}
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do_ioerr_test ioerr-13 -ckrefcount true -erc 1 -sqlprep {
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PRAGMA auto_vacuum = incremental;
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CREATE TABLE t1(x);
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CREATE TABLE t2(x);
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INSERT INTO t2 VALUES(randomblob(1500));
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INSERT INTO t2 SELECT randomblob(1500) FROM t2;
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INSERT INTO t2 SELECT randomblob(1500) FROM t2;
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INSERT INTO t2 SELECT randomblob(1500) FROM t2;
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INSERT INTO t2 SELECT randomblob(1500) FROM t2;
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INSERT INTO t2 SELECT randomblob(1500) FROM t2;
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INSERT INTO t2 SELECT randomblob(1500) FROM t2;
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INSERT INTO t2 SELECT randomblob(1500) FROM t2;
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|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t1 VALUES(randomblob(20));
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1; /* 64 entries in t1 */
|
||
|
|
INSERT INTO t1 SELECT x FROM t1 LIMIT 14; /* 78 entries in t1 */
|
||
|
|
DELETE FROM t2 WHERE rowid = 3;
|
||
|
|
} -sqlbody {
|
||
|
|
-- This statement uses the balance_quick() optimization. The new page
|
||
|
|
-- is appended to the database file. But the overflow page used by
|
||
|
|
-- the new record will be positioned near the start of the database
|
||
|
|
-- file, in the gap left by the "DELETE FROM t2 WHERE rowid=3" statement
|
||
|
|
-- above.
|
||
|
|
--
|
||
|
|
-- The point of this is that the statement wil need to update two pointer
|
||
|
|
-- map pages. Which introduces another opportunity for an IO error.
|
||
|
|
--
|
||
|
|
INSERT INTO t1 VALUES(randomblob(2000));
|
||
|
|
}
|
||
|
|
|
||
|
|
do_ioerr_test ioerr-14 -ckrefcount true -erc 1 -sqlprep {
|
||
|
|
PRAGMA auto_vacuum = incremental;
|
||
|
|
CREATE TABLE t1(x);
|
||
|
|
CREATE TABLE t2(x);
|
||
|
|
INSERT INTO t2 VALUES(randomblob(1500));
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
INSERT INTO t2 SELECT randomblob(1500) FROM t2;
|
||
|
|
|
||
|
|
-- This statement inserts a row into t1 with an overflow page at the
|
||
|
|
-- end of the file. A long way from its parent (the root of t1).
|
||
|
|
INSERT INTO t1 VALUES(randomblob(1500));
|
||
|
|
DELETE FROM t2 WHERE rowid<10;
|
||
|
|
} -sqlbody {
|
||
|
|
-- This transaction will cause the root-page of table t1 to divide
|
||
|
|
-- (by calling balance_deeper()). When it does, the "parent" page of the
|
||
|
|
-- overflow page inserted in the -sqlprep block above will change and
|
||
|
|
-- the corresponding pointer map page be updated. This test case attempts
|
||
|
|
-- to cause an IO error during the pointer map page update.
|
||
|
|
--
|
||
|
|
BEGIN;
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
||
|
|
COMMIT;
|
||
|
|
}
|
||
|
|
|
||
|
|
do_ioerr_test ioerr-15 -tclprep {
|
||
|
|
db eval {
|
||
|
|
BEGIN;
|
||
|
|
PRAGMA cache_size = 10;
|
||
|
|
CREATE TABLE t1(a);
|
||
|
|
CREATE INDEX i1 ON t1(a);
|
||
|
|
CREATE TABLE t2(a);
|
||
|
|
}
|
||
|
|
for {set ii 1} {$ii < 100} {incr ii} {
|
||
|
|
set v [string range [string repeat [format %.3d $ii] 200] 0 220]
|
||
|
|
db eval {INSERT INTO t1 VALUES($v)}
|
||
|
|
}
|
||
|
|
db eval {
|
||
|
|
DELETE FROM t1 WHERE oid > 85;
|
||
|
|
COMMIT;
|
||
|
|
}
|
||
|
|
} -sqlbody {
|
||
|
|
BEGIN;
|
||
|
|
INSERT INTO t2 VALUES(randstr(22000,22000));
|
||
|
|
DELETE FROM t1 WHERE oid = 83;
|
||
|
|
COMMIT;
|
||
|
|
}
|
||
|
|
|
||
|
|
# This test verifies that IO errors that occur within the obscure branch
|
||
|
|
# of code executed by tkt3762.test are correctly reported.
|
||
|
|
#
|
||
|
|
ifcapable vacuum&&autovacuum&&pragma {
|
||
|
|
do_ioerr_test ioerr-16 -erc 1 -ckrefcount 1 -sqlprep {
|
||
|
|
PRAGMA auto_vacuum=INCREMENTAL;
|
||
|
|
PRAGMA page_size=1024;
|
||
|
|
BEGIN;
|
||
|
|
CREATE TABLE t1(x);
|
||
|
|
INSERT INTO t1 VALUES(zeroblob(900));
|
||
|
|
INSERT INTO t1 VALUES(zeroblob(900));
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
INSERT INTO t1 SELECT x FROM t1;
|
||
|
|
DELETE FROM t1 WHERE rowid>202;
|
||
|
|
COMMIT;
|
||
|
|
VACUUM;
|
||
|
|
PRAGMA cache_size = 10;
|
||
|
|
BEGIN;
|
||
|
|
DELETE FROM t1 WHERE rowid IN (10,11,12) ;
|
||
|
|
} -sqlbody {
|
||
|
|
PRAGMA incremental_vacuum(10);
|
||
|
|
COMMIT;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
finish_test
|