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before removing referrer code

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This commit is contained in:
Wouter den Breejen 2007-08-03 10:30:39 +00:00
parent 4fb9070fbd
commit 7d91f62b71
3 changed files with 7 additions and 133 deletions
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49
src/libstore/db.cc
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@ -632,55 +632,6 @@ bool Database::queryStateReferrers(const Transaction & txn, TableId referrers_ta
return queryStateReferences(txn, referrers_table, revisions_table, statePath, referrers, revision, timestamp);
}
//PRIVATE !!!!!!
//Update the referrers of some path because the store_or_statePath got new references
void Database::updateReferredPath(const Transaction & txn, TableId revisions_table, TableId referrers_X_s_table,
const Path & referred_state_or_store_Path, const Path & statePath, const int revision)
{
//referred_state_or_store_Path --> statePath
//you dont know what referred_state_or_store_Path is !!!!!!!!!!!! add a bool !!!!!!
if(revision != -1){
//Get timestamp of revision
int timestamp;
bool succeed = revisionToTimeStamp(txn, revisions_table, referred_state_or_store_Path, revision, timestamp);
if(!succeed)
throw Error(format("Couldnt find timestamp for revision '%1%' at update referrers mapping for '%2%'") % revision % referred_state_or_store_Path);
//remove all dynamic (that have a ts) referrers of that revision first (except if it is the latest, eg. -1)
delPair(txn, referrers_X_s_table, mergeToDBKey(referred_state_or_store_Path, timestamp));
}
//now get the referrers at timestamp (or just the latest if revision is -1)
PathSet referrers;
//TODO
//if( ! state)
//getReferrers...............
//dbStateComponentReferrers
//else
//getStateReferrers...............
//dbStateStateReferrers
//string kkkk = nixDB.mergeToDBKey(store_or_statePath, revision);
//Add store_or_statePath in .... if nessacary (if in references)
//TODO
//referredPath - TS --> store_or_statePath ADD
//Set Remove store_or_statePath in .... if nessacary (if not in references)
//TODO
//referredPath - TS --> store_or_statePath DEL
//set the new referrers of revision (-1 insert as a new timestamp)
//nixDB.setStateReferrers(txn, table, dbStateRevisions, referredPath, ........, revision);
}
void Database::setStateRevisions(const Transaction & txn, TableId revisions_table, TableId snapshots_table,
const RevisionClosure & revisions)
{