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When updating a zipvfs database with RBU, set journal_mode=off to prevent the upper-level pager from creating a large temporary file.

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FossilOrigin-Name: dec14a3980dcf6c61b0b9ac4ba82fa963ac346d4
This commit is contained in:
dan 2015-08-19 08:34:34 +00:00
parent c1e63be360
commit 5ef2b281aa
3 changed files with 20 additions and 9 deletions
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15
ext/rbu/sqlite3rbu.c
View File

@ -3043,14 +3043,25 @@ sqlite3rbu *sqlite3rbu_open(
if( p->rc==SQLITE_OK ){
if( p->eStage==RBU_STAGE_OAL ){
sqlite3 *db = p->dbMain;
/* Open transactions both databases. The *-oal file is opened or
** created at this point. */
p->rc = sqlite3_exec(p->dbMain, "BEGIN IMMEDIATE", 0, 0, &p->zErrmsg);
p->rc = sqlite3_exec(db, "BEGIN IMMEDIATE", 0, 0, &p->zErrmsg);
if( p->rc==SQLITE_OK ){
p->rc = sqlite3_exec(p->dbRbu, "BEGIN IMMEDIATE", 0, 0, &p->zErrmsg);
}
/* Check if the main database is a zipvfs db. If it is, set the upper
** level pager to use "journal_mode=off". This prevents it from
** generating a large journal using a temp file. */
if( p->rc==SQLITE_OK ){
int frc = sqlite3_file_control(db, "main", SQLITE_FCNTL_ZIPVFS, 0);
if( frc==SQLITE_OK ){
p->rc = sqlite3_exec(db, "PRAGMA journal_mode=off",0,0,&p->zErrmsg);
}
}
/* Point the object iterator at the first object */
if( p->rc==SQLITE_OK ){
p->rc = rbuObjIterFirst(p, &p->objiter);

12
manifest
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@ -1,5 +1,5 @@
C Add\stest\sfile\sspellfix2.test,\swhich\sshould\shave\sbeen\schecked\sin\ssome\stime\sago.
D 2015-08-18T19:09:28.809
C When\supdating\sa\szipvfs\sdatabase\swith\sRBU,\sset\sjournal_mode=off\sto\sprevent\sthe\supper-level\spager\sfrom\screating\sa\slarge\stemporary\sfile.
D 2015-08-19T08:34:34.195
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 2fc9ca6bf5949d415801c007ed3004a4bdb7c380
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -224,7 +224,7 @@ F ext/rbu/rbufault.test cc0be8d5d392d98b0c2d6a51be377ea989250a89
F ext/rbu/rbufault2.test 9a7f19edd6ea35c4c9f807d8a3db0a03a5670c06
F ext/rbu/rbufts.test 828cd689da825f0a7b7c53ffc1f6f7fdb6fa5bda
F ext/rbu/rbusave.test 0f43b6686084f426ddd040b878426452fd2c2f48
F ext/rbu/sqlite3rbu.c 08fddeae6b89aeb1e960f9330a2228968210170a
F ext/rbu/sqlite3rbu.c 1650e682b3568db0ed97ff2c7ba5d1c8ea060a84
F ext/rbu/sqlite3rbu.h 5357f070cd8c0bcad459b620651ec1656859e4d0
F ext/rbu/test_rbu.c 2a3652241fa45d5eaa141775e4ae68c1d3582c03
F ext/rtree/README 6315c0d73ebf0ec40dedb5aa0e942bc8b54e3761
@ -1374,7 +1374,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 02448a9fccd4532daa667e4ba6ff1dbb7f68008a
R e8ec4f5131e6ed0a1e842df7f619d541
P 8599402092537ab3df8926eb900661c12d738d4c
R 79cd53df2dc51b1e184555145183f89d
U dan
Z 8dc6a1f25685915b0d47708aa8d01a68
Z 080d9b0837b12f78f74559ebadf2ade0

2
manifest.uuid
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@ -1 +1 @@
8599402092537ab3df8926eb900661c12d738d4c
dec14a3980dcf6c61b0b9ac4ba82fa963ac346d4