mtsmfm / sqlcodegen

Generate Go structs from SQL string literals

sqlcodegen

Generate Go structs from SQL string literals.

Currently supports only PostgreSQL.

Usage

1. Run init to generate sqlcodegen.yml

go run github.com/mtsmfm/sqlcodegen init

2. Write a code which runs SQL with plain string literal and comment // sqlcodegen <struct name> just before the literal

var results []interface{}
// sqlcodegen Foo
err = db.Select(&results, "SELECT id FROM users")

3. Run generate command

export DATABASE_URL=postgres://user:password@postgres/db?sslmode=disable
go run github.com/mtsmfm/sqlcodegen generate

Above command generates:

// Code generated by sqlcodegen, DO NOT EDIT.

package sqlstructs

/*
	SELECT id FROM users LIMIT 5
*/
type Foo struct {
	Id int `db:"id" json:"id"`
}

4. Use struct

var results []sqlstructs.Foo
err = db.Select(&results, "SELECT id FROM users")

TODOs

• Support MySQL
• Add more default typemap