1
0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-01 06:27:03 +03:00

Test that two database connections that use different VFS implementations may not share a cache. (CVS 6426)

FossilOrigin-Name: 3a92c95644ead7c4728ffec1ec70676663518188
This commit is contained in:
danielk1977
2009-04-01 18:25:54 +00:00
parent 20c6cc2b1b
commit 856cc0fde9
3 changed files with 67 additions and 26 deletions

View File

@ -9,25 +9,25 @@
#
#***********************************************************************
#
# $Id: shared6.test,v 1.1 2009/04/01 09:41:54 danielk1977 Exp $
# $Id: shared6.test,v 1.2 2009/04/01 18:25:54 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !shared_cache { finish_test ; return }
do_test shared7-1.1.1 {
do_test shared6-1.1.1 {
execsql {
CREATE TABLE t1(a, b);
CREATE TABLE t2(c, d);
CREATE TABLE t3(e, f);
}
} {}
do_test shared7-1.1.2 {
do_test shared6-1.1.2 {
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
sqlite3_enable_shared_cache
} {1}
do_test shared7-1.1.3 {
do_test shared6-1.1.3 {
sqlite3 db1 test.db
sqlite3 db2 test.db
} {}
@ -38,15 +38,15 @@ do_test shared7-1.1.3 {
# 1.2.2: If [db1] has an exclusive lock, [db1] can read.
# 1.2.3: If [db1] has a non-exclusive write-lock, [db2] can read.
#
do_test shared7-1.2.1 {
do_test shared6-1.2.1 {
execsql { SELECT * FROM t1 } db2 ;# Cache a compiled statement
execsql { BEGIN EXCLUSIVE } db1
catchsql { SELECT * FROM t1 } db2 ;# Execute the cached compiled statement
} {1 {database table is locked}}
do_test shared7-1.2.2 {
do_test shared6-1.2.2 {
execsql { SELECT * FROM t1 } db1
} {}
do_test shared7-1.2.3 {
do_test shared6-1.2.3 {
execsql {
COMMIT;
BEGIN;
@ -54,7 +54,7 @@ do_test shared7-1.2.3 {
} db1
execsql { SELECT * FROM t1 } db2
} {}
do_test shared7-1.2.X {
do_test shared6-1.2.X {
execsql { COMMIT } db1
} {}
@ -67,23 +67,23 @@ do_test shared7-1.2.X {
# 1.3.5: If [db1] has a read-lock on t1, [db2] can read from t1.
# 1.3.6: If [db1] has a read-lock on t1, [db2] cannot write to t1.
#
do_test shared7-1.3.1 {
do_test shared6-1.3.1 {
execsql {
BEGIN;
INSERT INTO t1 VALUES(1, 2);
} db1
execsql { SELECT * FROM t1 } db1
} {1 2}
do_test shared7-1.3.2 {
do_test shared6-1.3.2 {
execsql { SELECT * FROM t2 } db2
} {3 4}
do_test shared7-1.3.3 {
do_test shared6-1.3.3 {
catchsql { SELECT * FROM t1 } db2
} {1 {database table is locked: t1}}
do_test shared7-1.3.4 {
do_test shared6-1.3.4 {
catchsql { INSERT INTO t2 VALUES(1, 2) } db2
} {1 {database table is locked}}
do_test shared7-1.3.5 {
do_test shared6-1.3.5 {
execsql {
COMMIT;
BEGIN;
@ -91,10 +91,10 @@ do_test shared7-1.3.5 {
} db1
execsql { SELECT * FROM t1 } db2
} {1 2}
do_test shared7-1.3.5 {
do_test shared6-1.3.5 {
catchsql { INSERT INTO t1 VALUES(5, 6) } db2
} {1 {database table is locked: t1}}
do_test shared7-1.3.X {
do_test shared6-1.3.X {
execsql { COMMIT } db1
} {}
@ -107,7 +107,7 @@ do_test shared7-1.3.X {
# [db2] cannot read from the schema.
# 1.4.3: If [db1] has a read-lock on t1, [db2] cannot write to t1.
#
do_test shared7-1.4.1 {
do_test shared6-1.4.1 {
execsql { PRAGMA read_uncommitted = 1 } db2
execsql {
BEGIN;
@ -115,11 +115,11 @@ do_test shared7-1.4.1 {
} db1
execsql { SELECT * FROM t1 } db2
} {1 2 5 6}
do_test shared7-1.4.2 {
do_test shared6-1.4.2 {
execsql { CREATE TABLE t4(a, b) } db1
catchsql { SELECT * FROM t1 } db2
} {1 {database table is locked}}
do_test shared7-1.4.3 {
do_test shared6-1.4.3 {
execsql {
COMMIT;
BEGIN;
@ -128,11 +128,52 @@ do_test shared7-1.4.3 {
catchsql { INSERT INTO t1 VALUES(7, 8) } db2
} {1 {database table is locked: t1}}
do_test shared7-1.X {
do_test shared6-1.X {
db1 close
db2 close
} {}
# The following tests - shared6-2.* - test that two database connections
# that connect to the same file using different VFS implementations do
# not share a cache.
if {$::tcl_platform(platform) eq "unix"} {
do_test shared6-2.1 {
sqlite3 db1 test.db -vfs unix
sqlite3 db2 test.db -vfs unix
sqlite3 db3 test.db -vfs unix-none
sqlite3 db4 test.db -vfs unix-none
} {}
do_test shared6-2.2 {
execsql { BEGIN; INSERT INTO t1 VALUES(9, 10); } db1
catchsql { SELECT * FROM t1 } db2
} {1 {database table is locked: t1}}
do_test shared6-2.3 {
execsql { SELECT * FROM t1 } db3
} {1 2 5 6}
do_test shared6-2.3 {
execsql { COMMIT } db1
execsql { BEGIN; INSERT INTO t1 VALUES(11, 12); } db3
catchsql { SELECT * FROM t1 } db4
} {1 {database table is locked: t1}}
do_test shared6-2.4 {
execsql { SELECT * FROM t1 } db1
} {1 2 5 6 9 10}
do_test shared6-2.5 {
execsql { COMMIT } db3
} {}
do_test shared6-2.X {
db1 close
db2 close
db3 close
db4 close
} {}
}
sqlite3_enable_shared_cache $::enable_shared_cache
finish_test