3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The focus
12 # of this file is the sqlite3_snapshot_xxx() APIs.
15 set testdir [file dirname $argv0]
16 source $testdir/tester.tcl
17 ifcapable !snapshot {finish_test; return}
18 set testprefix snapshot4
20 # This test does not work with the inmemory_journal permutation. The reason
21 # is that each connection opened as part of this permutation executes
22 # "PRAGMA journal_mode=memory", which fails if the database is in wal mode
23 # and there are one or more existing connections.
24 if {[permutation]=="inmemory_journal"} {
32 PRAGMA cache_size = 10;
33 CREATE TABLE t1(a, b);
34 INSERT INTO t1 VALUES(1, randomblob(400));
35 PRAGMA journal_mode = wal;
37 SELECT 2 UNION ALL SELECT i+1 FROM s WHERE i<100
39 INSERT INTO t1 SELECT i, randomblob(400) FROM s;
45 SELECT count(*) FROM t1;
51 SELECT count(*) FROM t1;
57 set ::snap [sqlite3_snapshot_get_blob db main]
58 db2 eval { PRAGMA wal_checkpoint }
64 SELECT * FROM sqlite_master;
67 sqlite3_snapshot_open_blob db main $::snap
69 SELECT count(*) FROM t1