barak/cayley
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Merge pull request #338 from Quentin-M/sql_skull_lock

Browse source 
Fix a deadlock behavior with DELETE transactions
This commit is contained in:
Barak Michener 2015-11-18 02:40:53 +01:00
commit 2f5ce909a2
1 changed files with 2 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

10
graph/sql/quadstore.go
View file

@ -192,16 +192,10 @@ func (qs *QuadStore) runTxPostgres(tx *sql.Tx, in []graph.Delta, opts graph.Igno
return qs.copyFrom(tx, in)
}
insert, err := tx.Prepare(`INSERT INTO quads(subject, predicate, object, label, id, ts, subject_hash, predicate_hash, object_hash, label_hash) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`)
defer insert.Close()
if err != nil {
glog.Errorf("Cannot prepare insert statement: %v", err)
return err
}
for _, d := range in {
switch d.Action {
case graph.Add:
_, err := insert.Exec(
_, err := tx.Exec(`INSERT INTO quads(subject, predicate, object, label, id, ts, subject_hash, predicate_hash, object_hash, label_hash) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10);`,
d.Quad.Subject,
d.Quad.Predicate,
d.Quad.Object,
@ -214,7 +208,7 @@ func (qs *QuadStore) runTxPostgres(tx *sql.Tx, in []graph.Delta, opts graph.Igno
hashOf(d.Quad.Label),
)
if err != nil {
glog.Errorf("couldn't prepare INSERT statement: %v", err)
glog.Errorf("couldn't exec INSERT statement: %v", err)
return err
}
case graph.Delete: