forked from cockroachdb/cockroach
/
driver.go
70 lines (62 loc) · 1.76 KB
/
driver.go
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// Copyright 2015 The Cockroach Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License. See the AUTHORS file
// for names of contributors.
//
// Author: Peter Mattis (peter@cockroachlabs.com)
package driver
import (
"database/sql"
"database/sql/driver"
"net/url"
"github.com/cockroachdb/cockroach/base"
"github.com/cockroachdb/cockroach/util"
)
var _ driver.Driver = roachDriver{}
func init() {
sql.Register("cockroach", roachDriver{})
}
// roachDriver implements the database/sql/driver.Driver interface. Named
// roachDriver so as not to conflict with the "driver" package name.
type roachDriver struct{}
func (roachDriver) Open(dsn string) (driver.Conn, error) {
u, err := url.Parse(dsn)
if err != nil {
return nil, err
}
ctx := &base.Context{}
ctx.InitDefaults()
if u.User != nil {
ctx.User = u.User.Username()
}
q := u.Query()
params := make(map[string]string)
for param, value := range q {
if len(value) > 1 {
return nil, util.Errorf("param: %s repeated", param)
}
params[param] = value[0]
}
if dir := params["certs"]; len(dir) > 0 {
ctx.Certs = dir
}
sender, err := newSender(u, ctx)
if err != nil {
return nil, err
}
conn := conn{sender: sender}
if err := conn.applySettings(params); err != nil {
return nil, err
}
return &conn, nil
}