sqlite/test/multiplex.test
drh 37bbcb48a9 Add pragmas "multiplex_enabled", "multiplex_chunksize", and "multiplex_filecount" to the multiplexer implementation.
FossilOrigin-Name: 39c5e80dbf94ac3079b3e0c2c3e6608ac366e3f3de3cea4f4947addc3f52bc36
2021-10-29 12:29:22 +00:00

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# 2010 October 29
#
# 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 $testdir/malloc_common.tcl
# The tests in this file assume that SQLite is compiled without
# ENABLE_8_3_NAMES.
#
ifcapable 8_3_names {
puts -nonewline "SQLite compiled with SQLITE_ENABLE_8_3_NAMES. "
puts "Skipping tests multiplex-*."
finish_test
return
}
set g_chunk_size [ expr ($::SQLITE_MAX_PAGE_SIZE*16384) ]
set g_max_chunks 32
# This handles appending the chunk number
# to the end of the filename. if
# SQLITE_MULTIPLEX_EXT_OVWR is defined, then
# it overwrites the last 2 bytes of the
# file name with the chunk number.
proc multiplex_name {name chunk} {
if {$chunk==0} { return $name }
set num [format "%03d" $chunk]
ifcapable {multiplex_ext_overwrite} {
set name [string range $name 0 [expr [string length $name]-2-1]]
}
return $name$num
}
# This saves off the parameters and calls the
# underlying sqlite3_multiplex_control() API.
proc multiplex_set {db name chunk_size max_chunks} {
global g_chunk_size
global g_max_chunks
set g_chunk_size [ expr (($chunk_size+($::SQLITE_MAX_PAGE_SIZE-1)) & ~($::SQLITE_MAX_PAGE_SIZE-1)) ]
set g_max_chunks $max_chunks
set rc [catch {sqlite3_multiplex_control $db $name chunk_size $chunk_size} msg]
if { $rc==0 } {
set rc [catch {sqlite3_multiplex_control $db $name max_chunks $max_chunks} msg]
}
list $msg
}
# This attempts to delete the base file and
# and files with the chunk extension.
proc multiplex_delete {name} {
global g_max_chunks
forcedelete $name
for {set i 0} {$i<$g_max_chunks} {incr i} {
forcedelete [multiplex_name $name $i]
forcedelete [multiplex_name $name-journal $i]
forcedelete [multiplex_name $name-wal $i]
}
}
db close
sqlite3_shutdown
test_sqlite3_log xLog
proc xLog {error_code msg} {
lappend ::log $error_code $msg
}
unset -nocomplain log
multiplex_delete test.db
multiplex_delete test2.db
#-------------------------------------------------------------------------
# multiplex-1.1.*: Test initialize and shutdown.
do_test multiplex-1.1 { sqlite3_multiplex_initialize nosuchvfs 1 } {SQLITE_ERROR}
do_test multiplex-1.2 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-1.3 { sqlite3_multiplex_initialize "" 1 } {SQLITE_MISUSE}
do_test multiplex-1.4 { sqlite3_multiplex_shutdown } {SQLITE_OK}
do_test multiplex-1.5 { sqlite3_multiplex_initialize "" 0 } {SQLITE_OK}
do_test multiplex-1.6 { sqlite3_multiplex_shutdown } {SQLITE_OK}
do_test multiplex-1.7 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-1.8 { sqlite3_multiplex_shutdown } {SQLITE_OK}
do_test multiplex-1.9.1 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-1.9.2 { sqlite3 db test.db } {}
do_test multiplex-1.9.3 { multiplex_set db main 32768 16 } {SQLITE_OK}
do_test multiplex-1.9.4 { multiplex_set db main 32768 -1 } {SQLITE_OK}
do_test multiplex-1.9.6 { multiplex_set db main 31 16 } {SQLITE_OK}
do_test multiplex-1.9.7 { multiplex_set db main 32768 100 } {SQLITE_OK}
do_test multiplex-1.9.8 { multiplex_set db main 1073741824 1 } {SQLITE_OK}
do_test multiplex-1.9.9 { db close } {}
do_test multiplex-1.9.10 { sqlite3_multiplex_shutdown } {SQLITE_OK}
do_test multiplex-1.10.1 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-1.10.2 { sqlite3 db test.db } {}
do_test multiplex-1.10.3 { lindex [ catchsql { SELECT multiplex_control(2, 32768); } ] 0 } {0}
do_test multiplex-1.10.4 { lindex [ catchsql { SELECT multiplex_control(3, -1); } ] 0 } {0}
do_test multiplex-1.10.6 { lindex [ catchsql { SELECT multiplex_control(2, 31); } ] 0 } {0}
do_test multiplex-1.10.7 { lindex [ catchsql { SELECT multiplex_control(3, 100); } ] 0 } {0}
do_test multiplex-1.10.8 { lindex [ catchsql { SELECT multiplex_control(2, 1073741824); } ] 0 } {0}
do_test multiplex-1.10.9 { db close } {}
do_test multiplex-1.10.10 { sqlite3_multiplex_shutdown } {SQLITE_OK}
do_test multiplex-1.11.1 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-1.11.2 { sqlite3 db test.db } {}
do_test multiplex-1.11.3 { sqlite3_multiplex_control db main enable 0 } {SQLITE_OK}
do_test multiplex-1.11.4 { sqlite3_multiplex_control db main enable 1 } {SQLITE_OK}
do_test multiplex-1.11.5 { sqlite3_multiplex_control db main enable -1 } {SQLITE_OK}
do_test multiplex-1.11.6 { db close } {}
do_test multiplex-1.11.7 { sqlite3_multiplex_shutdown } {SQLITE_OK}
do_test multiplex-1.12.1 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-1.12.2 { sqlite3 db test.db } {}
do_test multiplex-1.12.3 { lindex [ catchsql { SELECT multiplex_control(1, 0); } ] 0 } {0}
do_test multiplex-1.12.4 { lindex [ catchsql { SELECT multiplex_control(1, 1); } ] 0 } {0}
do_test multiplex-1.12.5 { lindex [ catchsql { SELECT multiplex_control(1, -1); } ] 0 } {0}
do_test multiplex-1.12.6 { db close } {}
do_test multiplex-1.12.7 { sqlite3_multiplex_shutdown } {SQLITE_OK}
do_test multiplex-1.13.1 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-1.13.2 { sqlite3 db test.db } {}
do_test multiplex-1.13.3 { lindex [ catchsql { SELECT multiplex_control(-1, 0); } ] 0 } {1}
do_test multiplex-1.13.4 { lindex [ catchsql { SELECT multiplex_control(4, 1); } ] 0 } {1}
do_test multiplex-1.13.6 { db close } {}
do_test multiplex-1.13.7 { sqlite3_multiplex_shutdown } {SQLITE_OK}
#-------------------------------------------------------------------------
# Some simple warm-body tests with a single database file in rollback
# mode:
#
# multiplex-2.1.*: Test simple writing to a multiplex file.
#
# multiplex-2.2.*: More writing.
#
# multiplex-2.3.*: Open and close a second db.
#
# multiplex-2.4.*: Try to shutdown the multiplex system before closing the db
# file. Check that this fails and the multiplex system still works
# afterwards. Then close the database and successfully shut
# down the multiplex system.
#
# multiplex-2.5.*: More reading/writing.
#
# multiplex-2.6.*: More reading/writing with varying small chunk sizes, as
# well as varying journal mode.
#
# multiplex-2.7.*: Disable/enable tests.
#
sqlite3_multiplex_initialize "" 1
multiplex_set db main 32768 16
forcedelete test.x
foreach f [glob -nocomplain {test.x*[0-9][0-9][0-9]}] {
forcedelete $f
}
do_test multiplex-2.1.2 {
sqlite3 db test.x
execsql {
PRAGMA page_size=1024;
PRAGMA auto_vacuum=OFF;
PRAGMA journal_mode=DELETE;
}
execsql {
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(1, randomblob(1100));
INSERT INTO t1 VALUES(2, randomblob(1100));
}
} {}
do_test multiplex-2.1.3 { file size [multiplex_name test.x 0] } {4096}
do_test multiplex-2.1.4 {
execsql { INSERT INTO t1 VALUES(3, randomblob(1100)) }
} {}
do_execsql_test multiplex-2.1.5 {
PRAGMA multiplex_enabled;
PRAGMA multiplex_filecount;
PRAGMA multiplex_chunksize;
} {1 1 2147418112}
do_test multiplex-2.2.1 {
execsql { INSERT INTO t1 VALUES(3, randomblob(1100)) }
} {}
do_test multiplex-2.2.3 { file size [multiplex_name test.x 0] } {6144}
do_test multiplex-2.3.1 {
sqlite3 db2 test2.x
db2 close
} {}
unset -nocomplain ::log
#do_test multiplex-2.4.1 {
# sqlite3_multiplex_shutdown
#} {SQLITE_MISUSE}
do_test multiplex-2.4.2 {
execsql { INSERT INTO t1 VALUES(3, randomblob(1100)) }
} {}
#do_test multiplex-2.4.3 {
# set ::log
#} {SQLITE_MISUSE {sqlite3_multiplex_shutdown() called while database connections are still open}}
do_test multiplex-2.4.4 { file size [multiplex_name test.x 0] } {7168}
do_test multiplex-2.4.5 {
db close
sqlite3 db test.x
db eval vacuum
db close
glob test.x*
} {test.x}
do_test multiplex-2.4.99 {
sqlite3_multiplex_shutdown
} {SQLITE_OK}
do_test multiplex-2.5.1 {
multiplex_delete test.x
sqlite3_multiplex_initialize "" 1
sqlite3 db test.x
multiplex_set db main 4096 16
} {SQLITE_OK}
do_test multiplex-2.5.2 {
execsql {
PRAGMA page_size = 1024;
PRAGMA journal_mode = delete;
PRAGMA auto_vacuum = off;
CREATE TABLE t1(a PRIMARY KEY, b);
}
} {delete}
do_test multiplex-2.5.3 {
execsql {
INSERT INTO t1 VALUES(1, 'one');
INSERT INTO t1 VALUES(2, randomblob(4000));
INSERT INTO t1 VALUES(3, 'three');
INSERT INTO t1 VALUES(4, randomblob(4000));
INSERT INTO t1 VALUES(5, 'five');
INSERT INTO t1 VALUES(6, randomblob($g_chunk_size));
INSERT INTO t1 VALUES(7, randomblob($g_chunk_size));
}
} {}
do_test multiplex-2.5.4 {
db eval {SELECT * FROM t1 WHERE a=1}
} {1 one}
do_test multiplex-2.5.5 {
db eval {SELECT * FROM t1 WHERE a=3}
} {3 three}
do_test multiplex-2.5.6 {
db eval {SELECT * FROM t1 WHERE a=5}
} {5 five}
do_test multiplex-2.5.7 {
db eval {SELECT a,length(b) FROM t1 WHERE a=2}
} {2 4000}
do_test multiplex-2.5.8 {
db eval {SELECT a,length(b) FROM t1 WHERE a=4}
} {4 4000}
do_test multiplex-2.5.9 { file size [multiplex_name test.x 0] } [list $g_chunk_size]
do_test multiplex-2.5.10 { file size [multiplex_name test.x 1] } [list $g_chunk_size]
do_execsql_test multiplex-2.5.11 {
PRAGMA multiplex_enabled;
PRAGMA multiplex_filecount;
PRAGMA multiplex_chunksize;
} {1 3 65536}
sqlite3 db test.x
do_execsql_test multiplex-2.5.12 {
PRAGMA multiplex_filecount;
PRAGMA multiplex_chunksize;
} {3 65536}
do_test multiplex-2.5.99 {
db close
sqlite3_multiplex_shutdown
} {SQLITE_OK}
set all_journal_modes {delete persist truncate memory off}
foreach jmode $all_journal_modes {
for {set sz 151} {$sz<8000} {set sz [expr $sz+419]} {
do_test multiplex-2.6.1.$sz.$jmode {
multiplex_delete test.db
sqlite3_multiplex_initialize "" 1
sqlite3 db test.db
multiplex_set db main $sz 32
} {SQLITE_OK}
do_test multiplex-2.6.2.$sz.$jmode {
db eval {
PRAGMA page_size = 1024;
PRAGMA auto_vacuum = off;
}
db eval "PRAGMA journal_mode = $jmode;"
} $jmode
do_test multiplex-2.6.3.$sz.$jmode {
execsql {
CREATE TABLE t1(a PRIMARY KEY, b);
INSERT INTO t1 VALUES(1, 'one');
INSERT INTO t1 VALUES(2, randomblob($g_chunk_size));
}
} {}
do_test multiplex-2.6.4.$sz.$jmode {
db eval {SELECT b FROM t1 WHERE a=1}
} {one}
do_test multiplex-2.6.5.$sz.$jmode {
db eval {SELECT length(b) FROM t1 WHERE a=2}
} [list $g_chunk_size]
do_test multiplex-2.6.6.$sz.$jmode { file size [multiplex_name test.db 0] } [list $g_chunk_size]
do_test multiplex-2.6.99.$sz.$jmode {
db close
sqlite3_multiplex_shutdown
} {SQLITE_OK}
}
}
do_test multiplex-2.7.1 { multiplex_delete test.db } {}
do_test multiplex-2.7.2 { sqlite3_multiplex_initialize "" 1 } {SQLITE_OK}
do_test multiplex-2.7.3 { sqlite3 db test.db } {}
do_test multiplex-2.7.4 { lindex [ catchsql { SELECT multiplex_control(2, 65536); } ] 0 } {0}
do_test multiplex-2.7.5 { lindex [ catchsql { SELECT multiplex_control(1, 0); } ] 0 } {0}
do_test multiplex-2.7.6 {
execsql {
CREATE TABLE t1(a PRIMARY KEY, b);
INSERT INTO t1 VALUES(1, randomblob(1000));
}
} {}
# verify only one file, and file size is less than chunks size
do_test multiplex-2.7.7 { expr ([file size [multiplex_name test.db 0]] < 65536) } {1}
do_test multiplex-2.7.8 { file exists [multiplex_name test.db 1] } {0}
do_test multiplex-2.7.9 {
execsql {
INSERT INTO t1 VALUES(2, randomblob(65536));
}
} {}
# verify only one file, and file size exceeds chunks size
do_test multiplex-2.7.10 { expr ([file size [multiplex_name test.db 0]] > 65536) } {1}
do_test multiplex-2.7.11 { file exists [multiplex_name test.db 1] } {0}
do_test multiplex-2.7.12 { db close } {}
do_test multiplex-2.7.13 { sqlite3_multiplex_shutdown } {SQLITE_OK}
#-------------------------------------------------------------------------
# Try some tests with more than one connection to a database file. Still
# in rollback mode.
#
# multiplex-3.1.*: Two connections to a single database file.
#
# multiplex-3.2.*: Two connections to each of several database files (that
# are in the same multiplex group).
#
do_test multiplex-3.1.1 {
multiplex_delete test.db
sqlite3_multiplex_initialize "" 1
sqlite3 db test.db
multiplex_set db main 32768 16
} {SQLITE_OK}
do_test multiplex-3.1.2 {
execsql {
PRAGMA page_size = 1024;
PRAGMA journal_mode = delete;
PRAGMA auto_vacuum = off;
CREATE TABLE t1(a PRIMARY KEY, b);
INSERT INTO t1 VALUES(1, 'one');
}
file size [multiplex_name test.db 0]
} {3072}
do_test multiplex-3.1.3 {
sqlite3 db2 test.db
execsql { CREATE TABLE t2(a, b) } db2
} {}
do_test multiplex-3.1.4 {
execsql { CREATE TABLE t3(a, b) }
} {}
do_test multiplex-3.1.5 {
catchsql { CREATE TABLE t3(a, b) }
} {1 {table t3 already exists}}
do_test multiplex-3.1.6 {
db close
db2 close
} {}
do_test multiplex-3.2.1a {
multiplex_delete test.db
multiplex_delete test2.db
sqlite3 db1a test.db
sqlite3 db2a test2.db
foreach db {db1a db2a} {
execsql {
PRAGMA page_size = 1024;
PRAGMA journal_mode = delete;
PRAGMA auto_vacuum = off;
CREATE TABLE t1(a, b);
} $db
}
list [file size [multiplex_name test.db 0]] [file size [multiplex_name test2.db 0]]
} {2048 2048}
do_test multiplex-3.2.1b {
sqlite3 db1b test.db
sqlite3 db2b test2.db
} {}
do_test multiplex-3.2.2 { execsql { INSERT INTO t1 VALUES('x', 'y') } db1a } {}
do_test multiplex-3.2.3 { execsql { INSERT INTO t1 VALUES('v', 'w') } db1b } {}
do_test multiplex-3.2.4 { execsql { INSERT INTO t1 VALUES('t', 'u') } db2a } {}
do_test multiplex-3.2.5 { execsql { INSERT INTO t1 VALUES('r', 's') } db2b } {}
do_test multiplex-3.2.6 {
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1a
} {}
do_test multiplex-3.2.7 {
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1b
} {}
do_test multiplex-3.2.8 {
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2a
} {}
do_test multiplex-3.2.9 {
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2b
} {}
do_test multiplex-3.3.1 {
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1a
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db1b
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2a
execsql { INSERT INTO t1 VALUES(randomblob(500), randomblob(500)) } db2b
} {}
do_test multiplex-3.2.X {
foreach db {db1a db2a db2b db1b} { catch { $db close } }
} {}
#-------------------------------------------------------------------------
#
sqlite3_multiplex_initialize "" 1
multiplex_set db main 32768 16
# Return a list of all currently defined multiplexs.
proc multiplex_list {} {
glob -nocomplain test2.db*
}
do_test multiplex-4.1.6 {
multiplex_delete test2.db
sqlite3 db test2.db
db eval {CREATE TABLE t2(x); INSERT INTO t2 VALUES('tab-t2');}
set res [multiplex_list]
list [regexp {test2.db} $res]
} {1}
do_test multiplex-4.1.6a {
sqlite3 db2 test2.db
db2 eval {SELECT * FROM t2}
} {tab-t2}
do_test multiplex-4.1.7 {
execsql {INSERT INTO t2 VALUES(zeroblob(200000))}
} {}
do_test multiplex-4.1.8 {
sqlite3 db2 test2.db
db2 eval {SELECT count(*) FROM t2}
} {2}
do_test multiplex-4.1.8a {
db2 eval { DELETE FROM t2 WHERE x = 'tab-t2' }
} {}
do_test multiplex-4.1.8b {
sqlite3 db2 test2.db
db2 eval {SELECT count(*) FROM t2}
} {1}
do_test multiplex-4.1.9 {
execsql {INSERT INTO t2 VALUES(zeroblob(200000))}
} {}
do_test multiplex-4.1.10 {
set res [multiplex_list]
list [regexp {test2.db} $res]
} {1}
do_test multiplex-4.1.11 {
db2 close
set res [multiplex_list]
list [regexp {test2.db} $res]
} {1}
do_test multiplex-4.1.12 {
db close
multiplex_list
} {test2.db}
#-------------------------------------------------------------------------
# The following tests test that the multiplex VFS handles malloc and IO
# errors.
#
sqlite3_multiplex_initialize "" 1
multiplex_set db main 32768 16
do_faultsim_test multiplex-5.1 -prep {
catch {db close}
} -body {
sqlite3 db test2.db
}
do_faultsim_test multiplex-5.2 -prep {
catch {db close}
} -body {
sqlite3 db test.db
}
catch { db close }
multiplex_delete test.db
multiplex_delete test2.db
do_test multiplex-5.3.prep {
sqlite3 db test.db
execsql {
PRAGMA auto_vacuum = 1;
PRAGMA page_size = 1024;
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(10, zeroblob(1200));
}
faultsim_save_and_close
} {}
do_faultsim_test multiplex-5.3 -prep {
faultsim_restore_and_reopen
} -body {
execsql { DELETE FROM t1 }
}
do_test multiplex-5.4.1 {
catch { db close }
multiplex_delete test.db
file mkdir test.db
list [catch { sqlite3 db test.db } msg] $msg
} {1 {unable to open database file}}
catch { delete_file test.db }
do_faultsim_test multiplex-5.5 -prep {
catch { sqlite3_multiplex_shutdown }
} -body {
sqlite3_multiplex_initialize "" 1
multiplex_set db main 32768 16
}
#-------------------------------------------------------------------------
# Test that you can vacuum a multiplex'ed DB.
ifcapable vacuum {
sqlite3_multiplex_shutdown
do_test multiplex-6.0.0 {
multiplex_delete test.db
multiplex_delete test.x
sqlite3_multiplex_initialize "" 1
sqlite3 db test.x
multiplex_set db main 4096 16
} {SQLITE_OK}
do_test multiplex-6.1.0 {
execsql {
PRAGMA page_size=1024;
PRAGMA journal_mode=DELETE;
PRAGMA auto_vacuum=OFF;
}
execsql {
CREATE TABLE t1(a, b);
INSERT INTO t1 VALUES(1, randomblob($g_chunk_size));
INSERT INTO t1 VALUES(2, randomblob($g_chunk_size));
}
} {}
do_test multiplex-6.2.1 { file size [multiplex_name test.x 0] } [list $g_chunk_size]
do_test multiplex-6.2.2 { file size [multiplex_name test.x 1] } [list $g_chunk_size]
do_test multiplex-6.3.0 {
execsql { VACUUM }
} {}
do_test multiplex-6.99 {
db close
multiplex_delete test.x
sqlite3_multiplex_shutdown
} {SQLITE_OK}
}
catch { db close }
catch { sqlite3_multiplex_shutdown }
sqlite3_shutdown
test_sqlite3_log
sqlite3_initialize
finish_test