// noteUnusedDriverStatement notes that si is no longer used and should
// be closed whenever possible (when c is next not in use), unless c is
// already closed.
func (db *DB) noteUnusedDriverStatement(c *driverConn, si driver.Stmt) {
db.mu.Lock()
defer db.mu.Unlock()
if c.inUse {
c.onPut = append(c.onPut, func() {
si.Close()
})
} else {
c.Lock()
defer c.Unlock()
if !c.finalClosed {
si.Close()
}
}
}
func benchPreparedMockQuery(b *testing.B, c *conn, stmt driver.Stmt) {
rows, err := stmt.Query(nil)
if err != nil {
b.Fatal(err)
}
defer rows.Close()
var dest [1]driver.Value
for {
if err := rows.Next(dest[:]); err != nil {
if err == io.EOF {
break
}
b.Fatal(err)
}
}
}