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Add the checkpoint_fullfsync pragma which enables F_FULLFSYNC on checkpoint

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operations only, not during ordinary commit fsyncs.

FossilOrigin-Name: a069867301de3ca2e1753bd4d2e426d27365be4c
This commit is contained in:
drh
2010-11-19 18:23:35 +00:00
parent 38777db5fe
commit c97d84638e
9 changed files with 118 additions and 49 deletions
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4
src/pragma.c
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@@ -172,6 +172,7 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){
{ "empty_result_callbacks", SQLITE_NullCallback },
{ "legacy_file_format", SQLITE_LegacyFileFmt },
{ "fullfsync", SQLITE_FullFSync },
{ "checkpoint_fullfsync", SQLITE_CkptFullFSync },
{ "reverse_unordered_selects", SQLITE_ReverseOrder },
#ifndef SQLITE_OMIT_AUTOMATIC_INDEX
{ "automatic_index", SQLITE_AutoIndex },
@@ -1503,7 +1504,8 @@ void sqlite3Pragma(
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
if( db->autoCommit ){
sqlite3BtreeSetSafetyLevel(pDb->pBt, pDb->safety_level,
(db->flags&SQLITE_FullFSync)!=0);
(db->flags&SQLITE_FullFSync)!=0,
(db->flags&SQLITE_CkptFullFSync)!=0);
}
#endif
pragma_out: