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Make the SQL connection fail-fast

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This commit is contained in:
Quentin Machu 2015-08-26 02:10:27 -04:00
parent ebaf8b2a98
commit 13b11e46a4
1 changed files with 7 additions and 0 deletions
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7
graph/sql/quadstore.go
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@ -44,6 +44,13 @@ func connectSQLTables(addr string, _ graph.Options) (*sql.DB, error) {
glog.Errorf("Couldn't open database at %s: %#v", addr, 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
}