1 files changed, 24 insertions, 0 deletions
diff --git a/lib/sql/session.go b/lib/sql/session.go
new file mode 100644
index 00000000..dec4b0cd
--- /dev/null
+++ b/lib/sql/session.go
@@ -0,0 +1,24 @@
+// Copyright 2020, Shulhan <m.shulhan@gmail.com>. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sql
+
+import (
+	"context"
+	"database/sql"
+)
+
+//
+// Session is an interface that represent both sql.DB and sql.Tx.
+//
+type Session interface {
+	Exec(query string, args ...interface{}) (sql.Result, error)
+	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)
+	Prepare(query string) (*sql.Stmt, error)
+	PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
+	Query(query string, args ...interface{}) (*sql.Rows, error)
+	QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error)
+	QueryRow(query string, args ...interface{}) *sql.Row
+	QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row
+}