add conn

postgres/v2/README.md

@@ -17,6 +17,7 @@ func (s *Storage) Set(key string, val []byte, exp time.Duration) error
 func (s *Storage) Delete(key string) error
 func (s *Storage) Reset() error
 func (s *Storage) Close() error
+func (s *Storage) Conn() *pgxpool.Pool
 ```
 ### Installation
 Postgres is tested on the 2 last [Go versions](https://golang.org/dl/) with support for modules. So make sure to initialize one first if you didn't do that yet:

postgres/v2/postgres.go

@@ -160,6 +160,11 @@ func (s *Storage) Close() error {
 	return nil
 }
 
+// Return database client
+func (s *Storage) Conn() *pgxpool.Pool {
+	return s.db
+}
+
 // gcTicker starts the gc ticker
 func (s *Storage) gcTicker() {
 	ticker := time.NewTicker(s.gcInterval)

postgres/v2/postgres_test.go

@@ -3,6 +3,7 @@ package v2
 import (
 	"context"
 	"database/sql"
+	"os"
 	"testing"
 	"time"
 
@@ -10,6 +11,9 @@ import (
 )
 
 var testStore = New(Config{
+	Database: os.Getenv("POSTGRES_DATABASE"),
+	Username: os.Getenv("POSTGRES_USERNAME"),
+	Password: os.Getenv("POSTGRES_PASSWORD"),
 	Reset:    true,
 })
 
@@ -167,6 +171,10 @@ func Test_SslRequiredMode(t *testing.T) {
 	})
 }
 
+func Test_Postgres_Conn(t *testing.T) {
+	utils.AssertEqual(t, true, testStore.Conn() != nil)
+}
+
 func Test_Postgres_Close(t *testing.T) {
 	utils.AssertEqual(t, nil, testStore.Close())
 }