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Disable PRAGMA journal_mode=OFF when SQLITE_DBCONFIG_DEFENSIVE is turned on.

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Ticket [f4ec250930342e0c].

FossilOrigin-Name: a0f5eb5c79cc33b7224f3421d2baa02a2a19eb9d6eaa8117dda4a1878b229cb5
This commit is contained in:
drh 2019-05-17 20:37:17 +00:00
parent be81262400
commit 6c35b3065c
5 changed files with 26 additions and 11 deletions
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18
manifest
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@ -1,5 +1,5 @@
C Always\sstore\sa\sREAL\svalue\sin\sa\scolumn\swith\sREAL\saffinity\sif\sthe\sinteger\sequivalent\swould\srequire\s8\sbytes\sof\sstorage.\sFix\sfor\s[3c27b97e3].
D 2019-05-17T15:59:11.410
C Disable\sPRAGMA\sjournal_mode=OFF\swhen\sSQLITE_DBCONFIG_DEFENSIVE\sis\sturned\son.\nTicket\s[f4ec250930342e0c].
D 2019-05-17T20:37:17.292
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -515,7 +515,7 @@ F src/parse.y 22f64d8a8910acd17580450513b58d64187b0962848380c7f0a39376b8a48cee
F src/pcache.c 696a01f1a6370c1b50a09c15972bc3bee3333f8fcd1f2da8e9a76b1b062c59ee
F src/pcache.h 4f87acd914cef5016fae3030343540d75f5b85a1877eed1a2a19b9f284248586
F src/pcache1.c be64b2f3908a7f97c56c963676eb12f0d6254c95b28cdc1d73a186eff213219d
F src/pragma.c 2e9fbfcb23cb72eabb38ab6fa84c36a65f9c4839ce1e9bb3dd982ab26b67a5a8
F src/pragma.c 00046255566744b4a3086286d50f66f08531c53403bf64623abc4d86ca677173
F src/pragma.h 482c26f352efd7a4ed1354d83ffa992e13004f6528edeee44cdbfd5025a490bd
F src/prepare.c 78027c6231fbb19ca186a5f5f0c0a1375d9c2cec0655273f9bd90d9ff74a34b3
F src/printf.c 67f79227273a9009d86a017619717c3f554f50b371294526da59faa6014ed2cd
@ -524,7 +524,7 @@ F src/resolve.c 408632d9531ca8f1df8591f00530797daaa7bde3fe0d3211de4d431cbb99347e
F src/rowset.c d977b011993aaea002cab3e0bb2ce50cf346000dff94e944d547b989f4b1fe93
F src/select.c c620bcd03b1fbf9fed7d0e49c5e32bea3233c3f7c67d896271c36d6e5a4c621c
F src/shell.c.in 6c992809abf20dbb4aad89299d7c15c98ddf2504b23c83ef71eb435ad392cdc3
F src/sqlite.h.in 0605c88d98c85fbcba8bbd9716e7cc10b361e7b21cf2375171130f577388c943
F src/sqlite.h.in d19c873a17c2effd4417f687fad942b6cc0ab0c64535f669cc2f22a5b05db23b
F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
F src/sqlite3ext.h 9ecc93b8493bd20c0c07d52e2ac0ed8bab9b549c7f7955b59869597b650dd8b5
F src/sqliteInt.h b78a1f0bdc46582f33876932f8b45a264be7ee4f3f6c31102f924d33fa6177ee
@ -1078,7 +1078,7 @@ F test/join6.test cfe6503791ceb0cbb509966740286ec423cbf10b
F test/journal1.test c7b768041b7f494471531e17abc2f4f5ebf9e5096984f43ed17c4eb80ba34497
F test/journal2.test 9dac6b4ba0ca79c3b21446bbae993a462c2397c4
F test/journal3.test 939a3578396dffa0cdaa9b2685088c5a1a644db90d61aca08bd7e19d33932c00
F test/jrnlmode.test a6693f2bed4541a21e703aaa37bb3e10de154130645952933b82b2dec0a8b539
F test/jrnlmode.test 9b5bc01dac22223cb60ec2d5f97acf568d73820794386de5634dcadbea9e1946
F test/jrnlmode2.test 8759a1d4657c064637f8b079592651530db738419e1d649c6df7048cd724363d
F test/jrnlmode3.test 556b447a05be0e0963f4311e95ab1632b11c9eaa
F test/json101.test 8f8977b00ba02f9a26c1d1f52f29f540f6d5eb162cbd5eb78bb805366d4ab26d
@ -1826,7 +1826,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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manifest.uuid
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@ -1 +1 @@
14c00b1016ba53ab2dc177c59a27b6b9209202973685f0f274112d296ba7dfcb
a0f5eb5c79cc33b7224f3421d2baa02a2a19eb9d6eaa8117dda4a1878b229cb5

5
src/pragma.c
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@ -644,6 +644,11 @@ void sqlite3Pragma(
** then do a query */
eMode = PAGER_JOURNALMODE_QUERY;
}
if( eMode==PAGER_JOURNALMODE_OFF && (db->flags & SQLITE_Defensive)!=0 ){
/* Do not allow journal-mode "OFF" in defensive since the database
** can become corrupted using ordinary SQL when the journal is off */
eMode = PAGER_JOURNALMODE_QUERY;
}
}
if( eMode==PAGER_JOURNALMODE_QUERY && pId2->n==0 ){
/* Convert "PRAGMA journal_mode" into "PRAGMA main.journal_mode" */

1
src/sqlite.h.in
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@ -2198,6 +2198,7 @@ struct sqlite3_mem_methods {
** features include but are not limited to the following:
** <ul>
** <li> The [PRAGMA writable_schema=ON] statement.
** <li> The [PRAGMA journal_mode=OFF] statement.
** <li> Writes to the [sqlite_dbpage] virtual table.
** <li> Direct writes to [shadow tables].
** </ul>

11
test/jrnlmode.test
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@ -65,7 +65,16 @@ do_test jrnlmode-1.2 {
PRAGMA temp.journal_mode;
}
} [list persist persist [temp_journal_mode persist]]
do_test jrnlmode-1.4 {
do_test jrnlmode-1.4a {
# When defensive is on, unable to set journal_mode to OFF
sqlite3_db_config db DEFENSIVE 1
execsql {
PRAGMA journal_mode = off;
}
} {persist}
do_test jrnlmode-1.4b {
# When defensive is on, unable to set journal_mode to OFF
sqlite3_db_config db DEFENSIVE 0
execsql {
PRAGMA journal_mode = off;
}