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Merge into trunk the changes that permit :memory: databases to use shared cache.

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FossilOrigin-Name: e72179f3a43e4df36b7c2955eaacce6c804272c6
This commit is contained in:
drh
2012-05-27 22:42:57 +00:00
parent 092a1ebd4c d4e0bb0e65
commit 2bfcce45eb
9 changed files with 89 additions and 30 deletions
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42
test/shared.test
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@@ -1056,7 +1056,47 @@ do_test shared-$av-15.2 {
db close
db2 close
}
# Shared cache on a :memory: database. This only works for URI filenames.
#
do_test shared-$av-16.1 {
sqlite3 db1 file::memory: -uri 1
sqlite3 db2 file::memory: -uri 1
db1 eval {
CREATE TABLE t1(x); INSERT INTO t1 VALUES(1),(2),(3);
}
db2 eval {
SELECT x FROM t1 ORDER BY x;
}
} {1 2 3}
do_test shared-$av-16.2 {
db2 eval {
INSERT INTO t1 VALUES(99);
DELETE FROM t1 WHERE x=2;
}
db1 eval {
SELECT x FROM t1 ORDER BY x;
}
} {1 3 99}
# Verify that there is no cache sharing ordinary (non-URI) filenames are
# used.
#
do_test shared-$av-16.3 {
db1 close
db2 close
sqlite3 db1 :memory:
sqlite3 db2 :memory:
db1 eval {
CREATE TABLE t1(x); INSERT INTO t1 VALUES(4),(5),(6);
}
catchsql {
SELECT * FROM t1;
} db2
} {1 {no such table: t1}}
db1 close
db2 close
} ;# end of autovacuum on/off loop
sqlite3_enable_shared_cache $::enable_shared_cache
finish_test