database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-07 02:42:48 +03:00
Code Activity

In SQLITE_ENABLE_BATCH_ATOMIC_WRITE builds on F2FS file-systems, invoke

Browse Source 
SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE if an SQLITE_FCNTL_COMMIT_ATOMIC_WRITE call
fails. Also, do not use an atomic transaction to create the initial database.
This is because if an error occurs while writing to the db file, any changes
to the file-size do not seem to be rolled back automatically. The only time
this matters is when the file was 0 bytes in size to start with.

FossilOrigin-Name: b3122db1545aeb48b7c28d480534b4b0fe04e83d5336225714c3cad926e5960e
This commit is contained in:
dan
2018-01-23 14:01:51 +00:00
parent 8d7f163015
commit b8fff29c68
7 changed files with 99 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/pager.c
View File

@@ -1213,7 +1213,7 @@ static int jrnlBufferSize(Pager *pPager){
#endif
#ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE
if( dc&SQLITE_IOCAP_BATCH_ATOMIC ){
if( pPager->dbSize>0 && (dc&SQLITE_IOCAP_BATCH_ATOMIC) ){
return -1;
}
#endif
@@ -6499,8 +6499,9 @@ int sqlite3PagerCommitPhaseOne(
if( bBatch ){
if( rc==SQLITE_OK ){
rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_COMMIT_ATOMIC_WRITE, 0);
}else{
sqlite3OsFileControl(fd, SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE, 0);
}
if( rc!=SQLITE_OK ){
sqlite3OsFileControlHint(fd, SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE, 0);
}
}