micro-wrapper-sql/driver.go

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package wrapper
import (
"context"
"database/sql/driver"
"time"
)
var (
// _ driver.DriverContext = (*wrapperDriver)(nil)
// _ driver.Connector = (*wrapperDriver)(nil)
)
type conn interface {
driver.Pinger
driver.Execer
driver.ExecerContext
driver.Queryer
driver.QueryerContext
driver.Conn
driver.ConnPrepareContext
driver.ConnBeginTx
}
// wrapperDriver defines a wrapper for driver.Driver
type wrapperDriver struct {
driver driver.Driver
opts Options
ctx context.Context
}
// NewWrapper creates and returns a new SQL driver with passed capabilities
func NewWrapper(d driver.Driver, opts ...Option) driver.Driver {
return &wrapperDriver{driver: d, opts: NewOptions(opts...), ctx: context.Background()}
}
type wrappedConnector struct {
connector driver.Connector
name string
opts Options
ctx context.Context
}
func NewWrapperConnector(c driver.Connector, opts ...Option) driver.Connector {
return &wrappedConnector{connector: c, opts: NewOptions(opts...), ctx: context.Background()}
}
// Connect implements driver.Driver Connect
func (w *wrappedConnector) Connect(ctx context.Context) (driver.Conn, error) {
return w.connector.Connect(ctx)
}
// Driver implements driver.Driver Driver
func (w *wrappedConnector) Driver() driver.Driver {
return w.connector.Driver()
}
/*
// Connect implements driver.Driver OpenConnector
func (w *wrapperDriver) OpenConnector(name string) (driver.Conn, error) {
return &wrapperConnector{driver: w.driver, name: name, opts: w.opts}, nil
}
*/
// Open implements driver.Driver Open
func (w *wrapperDriver) Open(name string) (driver.Conn, error) {
// ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) // Ensure eventual timeout
// defer cancel()
/*
connector, err := w.OpenConnector(name)
if err != nil {
return nil, err
}
return connector.Connect(ctx)
*/
ts := time.Now()
c, err := w.driver.Open(name)
td := time.Since(ts)
/*
if w.opts.LoggerEnabled {
w.opts.Logger.Log(w.ctx, w.opts.LoggerLevel, w.opts.LoggerObserver(w.ctx, "Open", getCallerName(), td, err)...)
}
*/
_ = td
if err != nil {
return nil, err
}
return wrapConn(c, w.opts), nil
}