db driver 作成方法

Overview

• 作り方確認

sample

• とりあえずコード

package stubs

import (
    "context"
    "database/sql"
    "database/sql/driver"
    "fmt"
)

func init() {
    sql.Register("stubs", &stubDriver{})
}

type Rows struct{}

func (r *Rows) Columns() []string {
    return []string{}
}

func (r *Rows) Close() error {
    return nil
}

func (r *Rows) Next(_ []driver.Value) error {
    return nil
}

type Conn struct{}

func (dc *Conn) Query(_ string, _ []driver.Value) (driver.Rows, error) {
    return nil, nil
}

func (dc *Conn) QueryContext(ctx context.Context, _ string, _ []driver.NamedValue) (driver.Rows, error) {
    return nil, fmt.Errorf("test")
}

func (dc *Conn) Prepare(_ string) (driver.Stmt, error) {
    return nil, nil
}

func (dc *Conn) Begin() (driver.Tx, error) {
    return nil, nil
}

func (dc *Conn) Close() error {
    return nil
}

type stubDriver struct {
}

func (d *stubDriver) Open(_ string) (driver.Conn, error) {
    return &Conn{}, nil
}

refernece