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Drop support for SQLITE_EXTRA_DURABLE. The new SQLITE_DEFAULT_SYNCHRONOUS

compile-time option is a more general replacement.

FossilOrigin-Name: f6d3156ba9af1da517dd77c1df03fa7869888463
This commit is contained in:
drh
2016-03-08 16:07:59 +00:00
parent 15d36c603d
commit 33b104af08
4 changed files with 16 additions and 25 deletions

View File

@@ -428,19 +428,6 @@ int sqlite3PagerTrace=1; /* True to enable tracing */
*/
#define MAX_SECTOR_SIZE 0x10000
/*
** If the option SQLITE_EXTRA_DURABLE option is set at compile-time, then
** SQLite will do extra fsync() operations when synchronous==FULL to help
** ensure that transactions are durable across a power failure. Most
** applications are happy as long as transactions are consistent across
** a power failure, and are perfectly willing to lose the last transaction
** in exchange for the extra performance of avoiding directory syncs.
** And so the default SQLITE_EXTRA_DURABLE setting is off.
*/
#ifndef SQLITE_EXTRA_DURABLE
# define SQLITE_EXTRA_DURABLE 0
#endif
/*
** An instance of the following structure is allocated for each active
@@ -4823,11 +4810,7 @@ act_like_temp_file:
assert( pPager->ckptSyncFlags==0 );
}else{
pPager->fullSync = 1;
#if SQLITE_EXTRA_DURABLE
pPager->extraSync = 1;
#else
pPager->extraSync = 0;
#endif
pPager->syncFlags = SQLITE_SYNC_NORMAL;
pPager->walSyncFlags = SQLITE_SYNC_NORMAL | WAL_SYNC_TRANSACTIONS;
pPager->ckptSyncFlags = SQLITE_SYNC_NORMAL;