jinzhu/gorm

package gorm

import (
    "context"
    "database/sql"
)

// SQLCommon is the minimal database connection functionality gorm requires.  Implemented by *sql.DB.
type SQLCommon interface {
    Exec(query string, args ...interface{}) (sql.Result, error)
    Prepare(query string) (*sql.Stmt, error)
    Query(query string, args ...interface{}) (*sql.Rows, error)
    QueryRow(query string, args ...interface{}) *sql.Row
}

type sqlDb interface {
    Begin() (*sql.Tx, error)
    BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
}

type sqlTx interface {
    Commit() error
    Rollback() error
}