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# 2017-07-15
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The
# focus of this file is the "swarmvtab" extension
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix swarmvtab3
do_not_use_codec
ifcapable !vtab {
finish_test
return
}
load_static_extension db unionvtab
set nFile $sqlite_open_file_count
do_execsql_test 1.0 {
CREATE TEMP TABLE swarm(id, tbl, minval, maxval);
}
# Set up 100 databases with filenames "remote_test.dbN", where N is between
# 0 and 99.
do_test 1.1 {
for {set i 0} {$i < 100} {incr i} {
set file remote_test.db$i
forcedelete $file
forcedelete test.db$i
sqlite3 rrr $file
rrr eval {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
INSERT INTO t1 VALUES($i, $i);
}
rrr close
db eval {
INSERT INTO swarm VALUES($i, 't1', $i, $i);
}
set ::dbcache(test.db$i) 0
}
} {}
proc missing_db {filename} {
set remote "remote_$filename"
forcedelete $filename
file copy $remote $filename
}
db func missing_db missing_db
proc openclose_db {filename bClose} {
if {$bClose} {
incr ::dbcache($filename) -1
} else {
incr ::dbcache($filename) 1
}
if {$::dbcache($filename)==0} {
forcedelete $filename
}
}
db func openclose_db openclose_db
proc check_dbcache {} {
set n 0
for {set i 0} {$i<100} {incr i} {
set exists [file exists test.db$i]
if {$exists!=($::dbcache(test.db$i)!=0)} {
error "inconsistent ::dbcache and disk ($i) - $exists"
}
incr n $exists
}
return $n
}
foreach {tn nMaxOpen cvt} {
1 5 {
CREATE VIRTUAL TABLE temp.s USING swarmvtab(
'SELECT :prefix || id, tbl, minval, minval FROM swarm',
:prefix='test.db',
missing=missing_db,
openclose=openclose_db,
maxopen=5
)
}
2 3 {
CREATE VIRTUAL TABLE temp.s USING swarmvtab(
'SELECT :prefix || id, tbl, minval, minval FROM swarm',
:prefix='test.db',
missing = 'missing_db',
openclose=[openclose_db],
maxopen = 3
)
}
3 1 {
CREATE VIRTUAL TABLE temp.s USING swarmvtab(
'SELECT :prefix||''.''||:suffix||id, tbl, minval, minval FROM swarm',
:prefix=test, :suffix=db,
missing = 'missing_db',
openclose=[openclose_db],
maxopen = 1
)
}
} {
execsql { DROP TABLE IF EXISTS s }
do_execsql_test 1.$tn.1 $cvt
do_execsql_test 1.$tn.2 {
SELECT b FROM s WHERE a<10;
} {0 1 2 3 4 5 6 7 8 9}
do_test 1.$tn.3 { check_dbcache } $nMaxOpen
do_execsql_test 1.$tn.4 {
SELECT b FROM s WHERE (b%10)=0;
} {0 10 20 30 40 50 60 70 80 90}
do_test 1.$tn.5 { check_dbcache } $nMaxOpen
}
execsql { DROP TABLE IF EXISTS s }
for {set i 0} {$i < 100} {incr i} {
forcedelete remote_test.db$i
}
#----------------------------------------------------------------------------
#
do_execsql_test 2.0 {
DROP TABLE IF EXISTS swarm;
CREATE TEMP TABLE swarm(file, tbl, minval, maxval, ctx);
}
catch { array unset ::dbcache }
# Set up 100 databases with filenames "remote_test.dbN", where N is a
# random integer between 0 and 1,000,000
# 0 and 99.
do_test 2.1 {
catch { array unset ctx_used }
for {set i 0} {$i < 100} {incr i} {
while 1 {
set ctx [expr abs(int(rand() *1000000))]
if {[info exists ctx_used($ctx)]==0} break
}
set ctx_used($ctx) 1
set file test_remote.db$ctx
forcedelete $file
forcedelete test.db$i
sqlite3 rrr $file
rrr eval {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
INSERT INTO t1 VALUES($i, $i);
}
rrr close
db eval {
INSERT INTO swarm VALUES('test.db' || $i, 't1', $i, $i, $file)
}
set ::dbcache(test.db$i) 0
}
} {}
proc missing_db {filename ctx} {
file copy $ctx $filename
}
db func missing_db missing_db
proc openclose_db {filename ctx bClose} {
if {$bClose} {
incr ::dbcache($filename) -1
} else {
incr ::dbcache($filename) 1
}
if {$::dbcache($filename)==0} {
forcedelete $filename
}
}
db func openclose_db openclose_db
proc check_dbcache {} {
set n 0
foreach k [array names ::dbcache] {
set exists [file exists $k]
if {$exists!=($::dbcache($k)!=0)} {
error "inconsistent ::dbcache and disk ($k) - $exists"
}
incr n $exists
}
return $n
}
foreach {tn nMaxOpen cvt} {
2 5 {
CREATE VIRTUAL TABLE temp.s USING swarmvtab(
'SELECT file, tbl, minval, minval, ctx FROM swarm',
missing=missing_db,
openclose=openclose_db,
maxopen=5
)
}
} {
execsql { DROP TABLE IF EXISTS s }
do_execsql_test 3.$tn.1 $cvt
do_execsql_test 3.$tn.2 {
SELECT b FROM s WHERE a<10;
} {0 1 2 3 4 5 6 7 8 9}
do_test 3.$tn.3 { check_dbcache } $nMaxOpen
do_execsql_test 3.$tn.4 {
SELECT b FROM s WHERE (b%10)=0;
} {0 10 20 30 40 50 60 70 80 90}
do_test 3.$tn.5 { check_dbcache } $nMaxOpen
}
db close
forcedelete {*}[glob test.db*]
forcedelete {*}[glob test_remote.db*]
finish_test
|
