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Only open a read-only connection to shared-memory if the "readonly_shm=1" option is specified as part of the database file URI (and if a read-write connection fails).

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FossilOrigin-Name: 671ba5fc59f7a958e5a4138d2425b1173a442ad7
This commit is contained in:
dan
2011-05-11 14:57:33 +00:00
parent 4edc6bf3ee
commit b6d2f9c5ef
11 changed files with 61 additions and 33 deletions
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13
test/walro.test
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@ -35,6 +35,13 @@ do_multiclient_test tn {
forcedelete test.db
forcedelete walro
foreach c {code1 code2 code3} {
$c {
sqlite3_shutdown
sqlite3_config_uri 1
}
}
file mkdir walro
do_test 1.1.1 {
@ -49,7 +56,7 @@ do_multiclient_test tn {
do_test 1.1.2 {
file attributes test.db-shm -permissions r--r--r--
code1 { sqlite3 db test.db }
code1 { sqlite3 db file:test.db?readonly_shm=1 }
} {}
do_test 1.1.3 { sql1 "SELECT * FROM t1" } {a b}
@ -84,7 +91,7 @@ do_multiclient_test tn {
list [file exists test.db-wal] [file exists test.db-shm]
} {1 1}
do_test 1.2.2 {
code1 { sqlite3 db test.db }
code1 { sqlite3 db file:test.db?readonly_shm=1 }
sql1 { SELECT * FROM t1 }
} {a b c d e f g h i j}
@ -93,7 +100,7 @@ do_multiclient_test tn {
file attributes test.db-shm -permissions rw-r--r--
hexio_write test.db-shm 0 01020304
file attributes test.db-shm -permissions r--r--r--
code1 { sqlite3 db test.db }
code1 { sqlite3 db file:test.db?readonly_shm=1 }
csql1 { SELECT * FROM t1 }
} {1 {attempt to write a readonly database}}
do_test 1.2.4 {