mirror of
https://github.com/sqlite/sqlite.git
synced 2024-11-28 07:51:10 +01:00
fa079680f1
the previous check-in. FossilOrigin-Name: 5cf9ea9b1fff4625a50a2343d0fd3812da6612d6b24c07e10edb6c1ff03ca2df
324 lines
8.6 KiB
Plaintext
324 lines
8.6 KiB
Plaintext
# 2013 March 20
|
|
#
|
|
# 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
|
|
ifcapable !mmap||!incrblob {
|
|
finish_test
|
|
return
|
|
}
|
|
source $testdir/lock_common.tcl
|
|
set testprefix mmap1
|
|
|
|
proc nRead {db} {
|
|
set bt [btree_from_db $db]
|
|
db_enter $db
|
|
array set stats [btree_pager_stats $bt]
|
|
db_leave $db
|
|
# puts [array get stats]
|
|
return $stats(read)
|
|
}
|
|
|
|
# Return a Tcl script that registers a user-defined scalar function
|
|
# named rblob() with database handle $dbname. The function returns a
|
|
# sequence of pseudo-random blobs based on seed value $seed.
|
|
#
|
|
proc register_rblob_code {dbname seed} {
|
|
return [subst -nocommands {
|
|
set ::rcnt $seed
|
|
proc rblob {n} {
|
|
set ::rcnt [expr (([set ::rcnt] << 3) + [set ::rcnt] + 456) & 0xFFFFFFFF]
|
|
set str [format %.8x [expr [set ::rcnt] ^ 0xbdf20da3]]
|
|
string range [string repeat [set str] [expr [set n]/4]] 1 [set n]
|
|
}
|
|
$dbname func rblob rblob
|
|
}]
|
|
}
|
|
|
|
|
|
# For cases 1.1 and 1.4, the number of pages read using xRead() is 8 on
|
|
# unix and 12 on windows. The difference is that windows only ever maps
|
|
# an integer number of OS pages (i.e. creates mappings that are a multiple
|
|
# of 4KB in size). Whereas on unix any sized mapping may be created.
|
|
#
|
|
foreach {t mmap_size nRead c2init} {
|
|
1.1 { PRAGMA mmap_size = 67108864 } /8|12/ {PRAGMA mmap_size = 0}
|
|
1.2 { PRAGMA mmap_size = 53248 } /15[34]/ {PRAGMA mmap_size = 0}
|
|
1.3 { PRAGMA mmap_size = 0 } 344 {PRAGMA mmap_size = 0}
|
|
1.4 { PRAGMA mmap_size = 67108864 } /12|8/ {PRAGMA mmap_size = 67108864 }
|
|
1.5 { PRAGMA mmap_size = 53248 } /15[34]/ {PRAGMA mmap_size = 67108864 }
|
|
1.6 { PRAGMA mmap_size = 0 } 344 {PRAGMA mmap_size = 67108864 }
|
|
} {
|
|
|
|
do_multiclient_test tn {
|
|
sql1 {PRAGMA cache_size=2000}
|
|
sql2 {PRAGMA cache_size=2000}
|
|
|
|
sql1 {PRAGMA page_size=1024}
|
|
sql1 $mmap_size
|
|
sql2 $c2init
|
|
|
|
code2 [register_rblob_code db2 0]
|
|
|
|
sql2 {
|
|
PRAGMA page_size=1024;
|
|
PRAGMA auto_vacuum = 1;
|
|
CREATE TABLE t1(a, b, UNIQUE(a, b));
|
|
INSERT INTO t1 VALUES(rblob(500), rblob(500));
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 2
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 4
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 8
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 16
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 32
|
|
}
|
|
do_test $t.$tn.1 {
|
|
sql1 "SELECT count(*) FROM t1; PRAGMA integrity_check ; PRAGMA page_count"
|
|
} {32 ok 77}
|
|
|
|
# Have connection 2 shrink the file. Check connection 1 can still read it.
|
|
sql2 { DELETE FROM t1 WHERE rowid%2; }
|
|
do_test $t.$tn.2 {
|
|
sql1 "SELECT count(*) FROM t1; PRAGMA integrity_check ; PRAGMA page_count"
|
|
} "16 ok [expr {42+[nonzero_reserved_bytes]}]"
|
|
|
|
# Have connection 2 grow the file. Check connection 1 can still read it.
|
|
sql2 { INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1 }
|
|
do_test $t.$tn.3 {
|
|
sql1 "SELECT count(*) FROM t1; PRAGMA integrity_check ; PRAGMA page_count"
|
|
} {32 ok 79}
|
|
|
|
# Have connection 2 grow the file again. Check connection 1 is still ok.
|
|
sql2 { INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1 }
|
|
do_test $t.$tn.4 {
|
|
sql1 "SELECT count(*) FROM t1; PRAGMA integrity_check ; PRAGMA page_count"
|
|
} {64 ok 149}
|
|
|
|
# Check that the number of pages read by connection 1 indicates that the
|
|
# "PRAGMA mmap_size" command worked.
|
|
if {[nonzero_reserved_bytes]==0} {
|
|
do_test $t.$tn.5 { nRead db } $nRead
|
|
}
|
|
}
|
|
}
|
|
|
|
set ::rcnt 0
|
|
proc rblob {n} {
|
|
set ::rcnt [expr (($::rcnt << 3) + $::rcnt + 456) & 0xFFFFFFFF]
|
|
set str [format %.8x [expr $::rcnt ^ 0xbdf20da3]]
|
|
string range [string repeat $str [expr $n/4]] 1 $n
|
|
}
|
|
|
|
reset_db
|
|
db func rblob rblob
|
|
|
|
ifcapable wal {
|
|
do_execsql_test 2.1 {
|
|
PRAGMA auto_vacuum = 1;
|
|
PRAGMA mmap_size = 67108864;
|
|
PRAGMA journal_mode = wal;
|
|
CREATE TABLE t1(a, b, UNIQUE(a, b));
|
|
INSERT INTO t1 VALUES(rblob(500), rblob(500));
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 2
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 4
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 8
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 16
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 32
|
|
PRAGMA wal_checkpoint;
|
|
} {67108864 wal 0 103 103}
|
|
|
|
do_execsql_test 2.2 {
|
|
PRAGMA auto_vacuum;
|
|
SELECT count(*) FROM t1;
|
|
} {1 32}
|
|
|
|
if {[permutation] != "inmemory_journal"} {
|
|
do_test 2.3 {
|
|
sqlite3 db2 test.db
|
|
db2 func rblob rblob
|
|
db2 eval {
|
|
DELETE FROM t1 WHERE (rowid%4);
|
|
PRAGMA wal_checkpoint;
|
|
}
|
|
db2 eval {
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 16
|
|
SELECT count(*) FROM t1;
|
|
}
|
|
} {16}
|
|
|
|
do_execsql_test 2.4 {
|
|
PRAGMA wal_checkpoint;
|
|
} {0 24 24}
|
|
db2 close
|
|
}
|
|
}
|
|
|
|
reset_db
|
|
execsql { PRAGMA mmap_size = 67108864; }
|
|
db func rblob rblob
|
|
do_execsql_test 3.1 {
|
|
PRAGMA auto_vacuum = 1;
|
|
|
|
CREATE TABLE t1(a, b, UNIQUE(a, b));
|
|
INSERT INTO t1 VALUES(rblob(500), rblob(500));
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 2
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 4
|
|
INSERT INTO t1 SELECT rblob(500), rblob(500) FROM t1; -- 8
|
|
|
|
CREATE TABLE t2(a, b, UNIQUE(a, b));
|
|
INSERT INTO t2 SELECT * FROM t1;
|
|
} {}
|
|
|
|
do_test 3.2 {
|
|
set nRow 0
|
|
db eval {SELECT * FROM t2 ORDER BY a, b} {
|
|
if {$nRow==4} { db eval { DELETE FROM t1 } }
|
|
incr nRow
|
|
}
|
|
set nRow
|
|
} {8}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Ensure that existing cursors using xFetch() pages see changes made
|
|
# to rows using the incrblob API.
|
|
#
|
|
reset_db
|
|
execsql { PRAGMA mmap_size = 67108864; }
|
|
set aaa [string repeat a 400]
|
|
set bbb [string repeat b 400]
|
|
set ccc [string repeat c 400]
|
|
set ddd [string repeat d 400]
|
|
set eee [string repeat e 400]
|
|
|
|
do_execsql_test 4.1 {
|
|
PRAGMA page_size = 1024;
|
|
CREATE TABLE t1(x);
|
|
INSERT INTO t1 VALUES($aaa);
|
|
INSERT INTO t1 VALUES($bbb);
|
|
INSERT INTO t1 VALUES($ccc);
|
|
INSERT INTO t1 VALUES($ddd);
|
|
SELECT * FROM t1;
|
|
BEGIN;
|
|
} [list $aaa $bbb $ccc $ddd]
|
|
|
|
do_test 4.2 {
|
|
set ::STMT [sqlite3_prepare db "SELECT * FROM t1 ORDER BY rowid" -1 dummy]
|
|
sqlite3_step $::STMT
|
|
sqlite3_column_text $::STMT 0
|
|
} $aaa
|
|
|
|
do_test 4.3 {
|
|
foreach r {2 3 4} {
|
|
set fd [db incrblob t1 x $r]
|
|
puts -nonewline $fd $eee
|
|
close $fd
|
|
}
|
|
|
|
set res [list]
|
|
while {"SQLITE_ROW" == [sqlite3_step $::STMT]} {
|
|
lappend res [sqlite3_column_text $::STMT 0]
|
|
}
|
|
set res
|
|
} [list $eee $eee $eee]
|
|
|
|
do_test 4.4 {
|
|
sqlite3_finalize $::STMT
|
|
} SQLITE_OK
|
|
|
|
do_execsql_test 4.5 { COMMIT }
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Ensure that existing cursors holding xFetch() references are not
|
|
# confused if those pages are moved to make way for the root page of a
|
|
# new table or index.
|
|
#
|
|
reset_db
|
|
execsql { PRAGMA mmap_size = 67108864; }
|
|
do_execsql_test 5.1 {
|
|
PRAGMA auto_vacuum = 2;
|
|
PRAGMA page_size = 1024;
|
|
CREATE TABLE t1(x);
|
|
INSERT INTO t1 VALUES($aaa);
|
|
INSERT INTO t1 VALUES($bbb);
|
|
INSERT INTO t1 VALUES($ccc);
|
|
INSERT INTO t1 VALUES($ddd);
|
|
|
|
PRAGMA auto_vacuum;
|
|
SELECT * FROM t1;
|
|
} [list 2 $aaa $bbb $ccc $ddd]
|
|
|
|
do_test 5.2 {
|
|
set ::STMT [sqlite3_prepare db "SELECT * FROM t1 ORDER BY rowid" -1 dummy]
|
|
sqlite3_step $::STMT
|
|
sqlite3_column_text $::STMT 0
|
|
} $aaa
|
|
|
|
do_execsql_test 5.3 {
|
|
CREATE TABLE t2(x);
|
|
INSERT INTO t2 VALUES('tricked you!');
|
|
INSERT INTO t2 VALUES('tricked you!');
|
|
}
|
|
|
|
do_test 5.4 {
|
|
sqlite3_step $::STMT
|
|
sqlite3_column_text $::STMT 0
|
|
} $bbb
|
|
|
|
do_test 5.5 {
|
|
sqlite3_finalize $::STMT
|
|
} SQLITE_OK
|
|
|
|
#
|
|
# The "6.*" tests are designed to test the interaction of mmap with file
|
|
# truncation (e.g. on Win32) via the VACUUM command.
|
|
#
|
|
forcedelete test2.db
|
|
sqlite3 db2 test2.db
|
|
do_test 6.0 {
|
|
db2 eval {
|
|
PRAGMA auto_vacuum = 0;
|
|
PRAGMA page_size = 4096;
|
|
}
|
|
} {}
|
|
do_test 6.1 {
|
|
db2 eval {
|
|
CREATE TABLE t1(x);
|
|
INSERT INTO t1(x) VALUES(randomblob(1000000));
|
|
}
|
|
} {}
|
|
do_test 6.2 {
|
|
db2 eval {
|
|
PRAGMA mmap_size = 1048576;
|
|
}
|
|
} {1048576}
|
|
do_test 6.3 {
|
|
expr {[file size test2.db] > 1000000}
|
|
} {1}
|
|
do_test 6.4 {
|
|
db2 eval {
|
|
DELETE FROM t1;
|
|
}
|
|
} {}
|
|
do_test 6.5 {
|
|
expr {[file size test2.db] > 1000000}
|
|
} {1}
|
|
do_test 6.6 {
|
|
db2 eval {
|
|
VACUUM;
|
|
}
|
|
} {}
|
|
do_test 6.7 {
|
|
expr {[file size test2.db] < 1000000}
|
|
} {1}
|
|
db2 close
|
|
|
|
finish_test
|