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Added support for proxy file locking style

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Added pragma support for controlling proxy file locking
Added file control access to last errno and proxy locking
Added support for TMPDIR environment variable
Extended unit tests to cover new proxy locking pragmas and file control features (CVS 5934)

FossilOrigin-Name: b9bc36d3d5e35821ef69c0881a84c0afed253c9e
This commit is contained in:
aswift
2008-11-21 00:10:35 +00:00
parent d164fd3483
commit aebf413d9a
15 changed files with 1580 additions and 200 deletions
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133
test/pragma.test
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@ -12,7 +12,7 @@
#
# This file implements tests for the PRAGMA command.
#
# $Id: pragma.test,v 1.69 2008/10/23 05:45:07 danielk1977 Exp $
# $Id: pragma.test,v 1.70 2008/11/21 00:10:35 aswift Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -34,6 +34,7 @@ source $testdir/tester.tcl
# pragma-14.*: Test the page_count pragma.
# pragma-15.*: Test that the value set using the cache_size pragma is not
# reset when the schema is reloaded.
# pragma-16.*: Test proxy locking
#
ifcapable !pragma {
@ -1252,4 +1253,134 @@ sqlite3 dbX :memory:
dbX eval {PRAGMA temp_store_directory = ""}
dbX close
ifcapable lock_proxy_pragmas {
set sqlite_hostid_num 1
set using_proxy 0
foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] {
set using_proxy $value
}
# Test the lock_proxy_file pragmas.
#
db close
set env(SQLITE_FORCE_PROXY_LOCKING) "0"
sqlite3 db test.db
do_test pragma-16.1 {
execsql {
PRAGMA lock_proxy_file="mylittleproxy";
select * from sqlite_master;
}
execsql {
PRAGMA lock_proxy_file;
}
} {mylittleproxy}
do_test pragma-16.2 {
sqlite3 db2 test.db
execsql {
PRAGMA lock_proxy_file="mylittleproxy";
} db2
} {}
db2 close
do_test pragma-16.2.1 {
sqlite3 db2 test.db
execsql {
PRAGMA lock_proxy_file=":auto:";
select * from sqlite_master;
} db2
execsql {
PRAGMA lock_proxy_file;
} db2
} {mylittleproxy}
db2 close
do_test pragma-16.3 {
sqlite3 db2 test.db
execsql {
PRAGMA lock_proxy_file="myotherproxy";
} db2
catchsql {
select * from sqlite_master;
} db2
} {1 {database is locked}}
do_test pragma-16.4 {
db2 close
db close
sqlite3 db2 test.db
execsql {
PRAGMA lock_proxy_file="myoriginalproxy";
PRAGMA lock_proxy_file="myotherproxy";
PRAGMA lock_proxy_file;
} db2
} {myotherproxy}
db2 close
set env(SQLITE_FORCE_PROXY_LOCKING) "1"
do_test pragma-16.5 {
sqlite3 db2 test.db
execsql {
PRAGMA lock_proxy_file=":auto:";
PRAGMA lock_proxy_file;
} db2
} {myotherproxy}
do_test pragma-16.6 {
db2 close
sqlite3 db2 test2.db
set lockpath [execsql {
PRAGMA lock_proxy_file=":auto:";
PRAGMA lock_proxy_file;
} db2]
string match "*test2.db:auto:" $lockpath
} {1}
set sqlite_hostid_num 2
do_test pragma-16.7 {
sqlite3 db test2.db
execsql {
PRAGMA lock_proxy_file=":auto:";
}
catchsql {
select * from sqlite_master;
}
} {1 {database is locked}}
db close
do_test pragma-16.8 {
sqlite3 db test2.db
catchsql {
select * from sqlite_master;
}
} {1 {database is locked}}
db2 close
do_test pragma-16.8.1 {
execsql {
PRAGMA lock_proxy_file="yetanotherproxy";
PRAGMA lock_proxy_file;
}
} {yetanotherproxy}
do_test pragma-16.8.2 {
execsql {
create table mine(x);
}
} {}
db close
do_test pragma-16.9 {
sqlite3 db proxytest.db
set lockpath2 [execsql {
PRAGMA lock_proxy_file=":auto:";
PRAGMA lock_proxy_file;
} db]
string match "*proxytest.db:auto:" $lockpath2
} {1}
set env(SQLITE_FORCE_PROXY_LOCKING) $using_proxy
set sqlite_hostid_num 0
}
finish_test