mirror of
https://github.com/tursodatabase/libsql.git
synced 2024-12-16 13:48:52 +00:00
324 lines
6.8 KiB
Plaintext
324 lines
6.8 KiB
Plaintext
# 2011 November 16
|
|
#
|
|
# 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 contains test cases for sqlite3_db_cacheflush API.
|
|
#
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
set testprefix cacheflush
|
|
test_set_config_pagecache 0 0
|
|
|
|
# Run the supplied SQL on a copy of the database currently stored on
|
|
# disk in file $dbfile.
|
|
proc diskquery {dbfile sql} {
|
|
forcecopy $dbfile dq.db
|
|
sqlite3 dq dq.db
|
|
set res [execsql $sql dq]
|
|
dq close
|
|
set res
|
|
}
|
|
|
|
# Simplest possible test.
|
|
#
|
|
do_execsql_test 1.1.0 {
|
|
CREATE TABLE t1(a, b);
|
|
INSERT INTO t1 VALUES(1, 2);
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(3, 4);
|
|
}
|
|
do_test 1.1.1 {
|
|
diskquery test.db { SELECT * FROM t1 }
|
|
} {1 2}
|
|
do_test 1.1.2 {
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db { SELECT * FROM t1 }
|
|
} {1 2 3 4}
|
|
|
|
# Test that multiple pages may be flushed to disk.
|
|
#
|
|
do_execsql_test 1.2.0 {
|
|
COMMIT;
|
|
CREATE TABLE t2(a, b);
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(5, 6);
|
|
INSERT INTO t2 VALUES('a', 'b');
|
|
}
|
|
do_test 1.2.1 {
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
SELECT * FROM t2;
|
|
}
|
|
} {1 2 3 4}
|
|
do_test 1.2.2 {
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
SELECT * FROM t2;
|
|
}
|
|
} {1 2 3 4 5 6 a b}
|
|
|
|
# Test that pages with nRef!=0 are not flushed to disk.
|
|
#
|
|
do_execsql_test 1.3.0 {
|
|
COMMIT;
|
|
CREATE TABLE t3(a, b);
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(7, 8);
|
|
INSERT INTO t2 VALUES('c', 'd');
|
|
INSERT INTO t3 VALUES('i', 'ii');
|
|
}
|
|
do_test 1.3.1 {
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
SELECT * FROM t2;
|
|
SELECT * FROM t3;
|
|
}
|
|
} {1 2 3 4 5 6 a b}
|
|
do_test 1.3.2 {
|
|
db eval { SELECT a FROM t1 } {
|
|
if {$a==3} {
|
|
sqlite3_db_cacheflush db
|
|
}
|
|
}
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
SELECT * FROM t2;
|
|
SELECT * FROM t3;
|
|
}
|
|
} {1 2 3 4 5 6 a b c d i ii}
|
|
do_test 1.3.2 {
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
SELECT * FROM t2;
|
|
SELECT * FROM t3;
|
|
}
|
|
} {1 2 3 4 5 6 7 8 a b c d i ii}
|
|
|
|
# Check that SQLITE_BUSY is returned if pages cannot be flushed due to
|
|
# conflicting read locks.
|
|
#
|
|
do_execsql_test 1.4.0 {
|
|
COMMIT;
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(9, 10);
|
|
}
|
|
do_test 1.4.1 {
|
|
sqlite3 db2 test.db
|
|
db2 eval {
|
|
BEGIN;
|
|
SELECT * FROM t1;
|
|
}
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
}
|
|
} {1 2 3 4 5 6 7 8}
|
|
do_test 1.4.2 {
|
|
list [catch { sqlite3_db_cacheflush db } msg] $msg
|
|
} {1 {database is locked}}
|
|
do_test 1.4.3 {
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
}
|
|
} {1 2 3 4 5 6 7 8}
|
|
do_test 1.4.4 {
|
|
db2 close
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT * FROM t1;
|
|
}
|
|
} {1 2 3 4 5 6 7 8 9 10}
|
|
do_execsql_test 1.4.5 { COMMIT }
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test that ATTACHed database caches are also flushed.
|
|
#
|
|
forcedelete test.db2
|
|
do_execsql_test 2.1.0 {
|
|
ATTACH 'test.db2' AS aux;
|
|
CREATE TABLE aux.t4(x, y);
|
|
INSERT INTO t4 VALUES('A', 'B');
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(11, 12);
|
|
INSERT INTO t4 VALUES('C', 'D');
|
|
}
|
|
do_test 2.1.1 {
|
|
diskquery test.db { SELECT * FROM t1; }
|
|
} {1 2 3 4 5 6 7 8 9 10}
|
|
do_test 2.1.2 {
|
|
diskquery test.db2 { SELECT * FROM t4; }
|
|
} {A B}
|
|
do_test 2.1.3 {
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db { SELECT * FROM t1; }
|
|
} {1 2 3 4 5 6 7 8 9 10 11 12}
|
|
do_test 2.1.4 {
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db2 { SELECT * FROM t4; }
|
|
} {A B C D}
|
|
do_execsql_test 2.1.5 { COMMIT }
|
|
|
|
# And that hitting an SQLITE_BUSY when flushing "main" does not stop
|
|
# SQLite from going on to flush "aux".
|
|
#
|
|
do_execsql_test 2.2.0 {
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(13, 14);
|
|
INSERT INTO t4 VALUES('E', 'F');
|
|
}
|
|
do_test 2.2.1 {
|
|
diskquery test.db { SELECT * FROM t1; }
|
|
} {1 2 3 4 5 6 7 8 9 10 11 12}
|
|
do_test 2.2.2 {
|
|
diskquery test.db2 { SELECT * FROM t4; }
|
|
} {A B C D}
|
|
do_test 2.2.3 {
|
|
sqlite3 db2 test.db
|
|
execsql {
|
|
BEGIN;
|
|
SELECT * FROM t1;
|
|
} db2
|
|
list [catch { sqlite3_db_cacheflush db } msg] $msg
|
|
} {1 {database is locked}}
|
|
do_test 2.2.4 {
|
|
diskquery test.db { SELECT * FROM t1; }
|
|
} {1 2 3 4 5 6 7 8 9 10 11 12}
|
|
do_test 2.2.5 {
|
|
diskquery test.db2 { SELECT * FROM t4; }
|
|
} {A B C D E F}
|
|
do_test 2.2.6 {
|
|
db2 close
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db { SELECT * FROM t1; }
|
|
} {1 2 3 4 5 6 7 8 9 10 11 12 13 14}
|
|
do_execsql_test 2.2.7 { COMMIT }
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test that nothing terrible happens if sqlite3_db_cacheflush() is
|
|
# called on an in-memory database.
|
|
#
|
|
do_test 3.0 {
|
|
db close
|
|
sqlite3 db :memory:
|
|
db eval {
|
|
CREATE TABLE t1(x PRIMARY KEY);
|
|
CREATE TABLE t2(y PRIMARY KEY);
|
|
BEGIN;
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
|
INSERT INTO t2 VALUES(randomblob(100));
|
|
INSERT INTO t1 VALUES(randomblob(100));
|
|
INSERT INTO t2 VALUES(randomblob(100));
|
|
}
|
|
sqlite3_db_cacheflush db
|
|
} {}
|
|
|
|
do_execsql_test 3.1 { PRAGMA integrity_check } ok
|
|
do_execsql_test 3.2 { COMMIT }
|
|
do_execsql_test 3.3 { PRAGMA integrity_check } ok
|
|
do_execsql_test 3.4 {
|
|
SELECT count(*) FROM t1;
|
|
SELECT count(*) FROM t2;
|
|
} {2 2}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test that calling sqlite3_db_cacheflush() does not interfere with
|
|
# savepoint transactions.
|
|
#
|
|
do_test 4.0 {
|
|
reset_db
|
|
execsql {
|
|
CREATE TABLE ta(a, aa);
|
|
CREATE TABLE tb(b, bb);
|
|
INSERT INTO ta VALUES('a', randomblob(500));
|
|
INSERT INTO tb VALUES('b', randomblob(500));
|
|
BEGIN;
|
|
UPDATE ta SET a = 'A';
|
|
SAVEPOINT one;
|
|
UPDATE tb SET b = 'B';
|
|
}
|
|
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT a FROM ta;
|
|
SELECT b FROM tb;
|
|
}
|
|
} {A B}
|
|
|
|
do_test 4.1 {
|
|
execsql {
|
|
ROLLBACK TO one;
|
|
}
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT a FROM ta;
|
|
SELECT b FROM tb;
|
|
}
|
|
} {A b}
|
|
|
|
do_test 4.2 {
|
|
execsql {
|
|
INSERT INTO tb VALUES('c', randomblob(10));
|
|
INSERT INTO tb VALUES('d', randomblob(10));
|
|
INSERT INTO tb VALUES('e', randomblob(10));
|
|
}
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT a FROM ta;
|
|
SELECT b FROM tb;
|
|
}
|
|
} {A b c d e}
|
|
|
|
do_test 4.3 {
|
|
execsql {
|
|
SAVEPOINT two;
|
|
UPDATE tb SET b = upper(b);
|
|
}
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT a FROM ta;
|
|
SELECT b FROM tb;
|
|
}
|
|
} {A B C D E}
|
|
|
|
do_test 4.4 {
|
|
execsql {
|
|
ROLLBACK TO two;
|
|
}
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT a FROM ta;
|
|
SELECT b FROM tb;
|
|
}
|
|
} {A b c d e}
|
|
|
|
do_test 4.4 {
|
|
execsql {
|
|
ROLLBACK TO one;
|
|
}
|
|
sqlite3_db_cacheflush db
|
|
diskquery test.db {
|
|
SELECT a FROM ta;
|
|
SELECT b FROM tb;
|
|
}
|
|
} {A b}
|
|
|
|
do_test 4.5 {
|
|
execsql {
|
|
ROLLBACK;
|
|
SELECT a FROM ta;
|
|
SELECT b FROM tb;
|
|
}
|
|
} {a b}
|
|
|
|
test_restore_config_pagecache
|
|
finish_test
|