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if( cnt==0 ){
db_multi_exec("INSERT INTO leaves VALUES(%d)", rid);
}
}
bag_clear(&pending);
bag_clear(&seen);
}
/*
** COMMAND: leaves
**
** Usage: %fossil leaves ?UUID?
** Find all leaf descendents of the current version or of the
** specified version.
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if( cnt==0 ){
db_multi_exec("INSERT INTO leaves VALUES(%d)", rid);
}
}
bag_clear(&pending);
bag_clear(&seen);
}
/*
** Load the record ID rid and up to N-1 closest ancestors into
** the "ok" table.
*/
void compute_ancestors(int rid, int N){
Bag seen;
PQueue queue;
bag_init(&seen);
pqueue_init(&queue);
bag_insert(&seen, rid);
pqueue_insert(&queue, rid, 0.0);
while( (N--)>0 && (rid = pqueue_extract(&queue))!=0 ){
Stmt q;
db_multi_exec("INSERT OR IGNORE INTO ok VALUES(%d)", rid);
db_prepare(&q,
"SELECT a.pid, b.mtime FROM plink a LEFT JOIN plink b ON b.cid=a.pid"
" WHERE a.cid=%d", rid
);
while( db_step(&q)==SQLITE_ROW ){
int pid = db_column_int(&q, 0);
double mtime = db_column_double(&q, 1);
if( bag_insert(&seen, pid) ){
pqueue_insert(&queue, pid, -mtime);
}
}
db_finalize(&q);
}
bag_clear(&seen);
pqueue_clear(&queue);
}
/*
** Load the record ID rid and up to N-1 closest descendents into
** the "ok" table.
*/
void compute_descendents(int rid, int N){
Bag seen;
PQueue queue;
bag_init(&seen);
pqueue_init(&queue);
bag_insert(&seen, rid);
pqueue_insert(&queue, rid, 0.0);
while( (N--)>0 && (rid = pqueue_extract(&queue))!=0 ){
Stmt q;
db_multi_exec("INSERT OR IGNORE INTO ok VALUES(%d)", rid);
db_prepare(&q,"SELECT cid, mtime FROM plink WHERE pid=%d", rid);
while( db_step(&q)==SQLITE_ROW ){
int pid = db_column_int(&q, 0);
double mtime = db_column_double(&q, 1);
if( bag_insert(&seen, pid) ){
pqueue_insert(&queue, pid, mtime);
}
}
db_finalize(&q);
}
bag_clear(&seen);
pqueue_clear(&queue);
}
/*
** COMMAND: leaves
**
** Usage: %fossil leaves ?UUID?
** Find all leaf descendents of the current version or of the
** specified version.
|