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

Merge pull request #9 from Quentin-M/psql-fail-fast-open

Browse source 
Make the SQL connection fail-fast
This commit is contained in:
Barak Michener 2015-08-26 16:19:35 -04:00
commit fc6f7b3ea7
1 changed files with 7 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
graph/sql/quadstore.go
View file

@ -44,6 +44,13 @@ func connectSQLTables(addr string, _ graph.Options) (*sql.DB, error) {
glog.Errorf("Couldn't open database at %s: %#v", addr, err) glog.Errorf("Couldn't open database at %s: %#v", addr, err)
return nil, err return nil, err
} }
// "Open may just validate its arguments without creating a connection to the database."
// "To verify that the data source name is valid, call Ping."
// Source: http://golang.org/pkg/database/sql/#Open
if err := conn.Ping(); err != nil {
glog.Errorf("Couldn't open database at %s: %#v", addr, err)
return nil, err
}
return conn, nil return conn, nil
} }