From ab94351a60f368d316c83f6d937a6b2e16f4a8cf Mon Sep 17 00:00:00 2001
From: Fenny <25108519+Fenny@users.noreply.github.com>
Date: Mon, 23 Nov 2020 09:30:50 +0100
Subject: [PATCH] =?UTF-8?q?=E2=9C=8F=20return=20nil=20for=20notfound?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 badger/README.md          |  2 --
 badger/badger.go          |  6 ++----
 badger/badger_test.go     | 10 +++++-----
 dynamodb/README.md        |  2 --
 dynamodb/dynamodb.go      |  9 ++-------
 dynamodb/go.mod           |  2 +-
 dynamodb/go.sum           |  9 +++++++++
 memcache/README.md        |  2 --
 memcache/memcache.go      | 10 ++--------
 memcache/memcache_test.go | 10 +++++-----
 memory/README.md          |  2 --
 memory/memory.go          | 10 ++--------
 memory/memory_test.go     | 10 +++++-----
 mongodb/README.md         |  2 --
 mongodb/go.mod            |  6 ++++++
 mongodb/go.sum            | 17 +++++++++++++++++
 mongodb/mongodb.go        | 12 +++---------
 mongodb/mongodb_test.go   | 10 +++++-----
 mysql/README.md           |  2 --
 mysql/mysql.go            | 12 +++---------
 mysql/mysql_test.go       | 10 +++++-----
 postgres/README.md        |  2 --
 postgres/postgres.go      | 12 ++++--------
 postgres/postgres_test.go | 10 +++++-----
 redis/README.md           |  2 --
 redis/go.mod              |  2 +-
 redis/go.sum              |  5 +++++
 redis/redis.go            |  9 ++-------
 redis/redis_test.go       | 10 +++++-----
 sqlite3/README.md         |  2 --
 sqlite3/go.mod            |  2 +-
 sqlite3/go.sum            |  2 ++
 sqlite3/sqlite3.go        | 12 +++---------
 sqlite3/sqlite3_test.go   | 10 +++++-----
 storage.go                |  8 ++++----
 35 files changed, 109 insertions(+), 134 deletions(-)

diff --git a/badger/README.md b/badger/README.md
index 20b53aa8..0e50300a 100644
--- a/badger/README.md
+++ b/badger/README.md
@@ -14,8 +14,6 @@ A fast key-value DB using [dgraph-io/badger](https://github.com/dgraph-io/badger
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/badger/badger.go b/badger/badger.go
index 839b54be..d43b3f7b 100644
--- a/badger/badger.go
+++ b/badger/badger.go
@@ -16,9 +16,7 @@ type Storage struct {
 }
 
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
+
 
 // New creates a new memory storage
 func New(config ...Config) *Storage {
@@ -56,7 +54,7 @@ func New(config ...Config) *Storage {
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	var data []byte
 	err := s.db.View(func(txn *badger.Txn) error {
diff --git a/badger/badger_test.go b/badger/badger_test.go
index 9b413412..ce863763 100644
--- a/badger/badger_test.go
+++ b/badger/badger_test.go
@@ -65,14 +65,14 @@ func Test_Badger_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_Badger_Get_NotExist(t *testing.T) {
 
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -89,7 +89,7 @@ func Test_Badger_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -108,11 +108,11 @@ func Test_Badger_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/dynamodb/README.md b/dynamodb/README.md
index 30391f59..d905ed73 100644
--- a/dynamodb/README.md
+++ b/dynamodb/README.md
@@ -14,8 +14,6 @@
 ```go
 func New(config Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/dynamodb/dynamodb.go b/dynamodb/dynamodb.go
index 8ab98ab2..e4ec9229 100644
--- a/dynamodb/dynamodb.go
+++ b/dynamodb/dynamodb.go
@@ -18,11 +18,6 @@ type Storage struct {
 	table string
 }
 
-
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 // New creates a new storage
 func New(config Config) *Storage {
 	// Set default config
@@ -114,11 +109,11 @@ func (s *Storage) Get(key string) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	} else if getItemOutput.Item == nil {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	attributeVal := getItemOutput.Item[valAttrName]
 	if attributeVal == nil {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	return attributeVal.B, nil
 }
diff --git a/dynamodb/go.mod b/dynamodb/go.mod
index 21bedf1d..7d130aac 100644
--- a/dynamodb/go.mod
+++ b/dynamodb/go.mod
@@ -2,4 +2,4 @@ module github.com/gofiber/storage/dynamodb
 
 go 1.14
 
-require github.com/aws/aws-sdk-go v1.35.26
+require github.com/aws/aws-sdk-go v1.35.33
diff --git a/dynamodb/go.sum b/dynamodb/go.sum
index e4788866..b1495cc7 100644
--- a/dynamodb/go.sum
+++ b/dynamodb/go.sum
@@ -1,5 +1,7 @@
 github.com/aws/aws-sdk-go v1.35.26 h1:MawRvDpAp/Ai859dPC1xo1fdU/BIkijoHj0DwXLXXkI=
 github.com/aws/aws-sdk-go v1.35.26/go.mod h1:tlPOdRjfxPBpNIwqDj61rmsnA85v9jc0Ps9+muhnW+k=
+github.com/aws/aws-sdk-go v1.35.33 h1:8qPRZqCRok5i7VNN51k/Ky7CuyoXMdSs4mUfKyCqvPw=
+github.com/aws/aws-sdk-go v1.35.33/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
@@ -12,11 +14,18 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2 h1:CCH4IOTTfewWjGOlSp+zGcjutRKlBEZQ6wTn8ozI/nI=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/memcache/README.md b/memcache/README.md
index cf41391d..b16b282e 100644
--- a/memcache/README.md
+++ b/memcache/README.md
@@ -13,8 +13,6 @@ A Memcache storage driver using [`bradfitz/gomemcache`](https://github.com/bradf
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/memcache/memcache.go b/memcache/memcache.go
index 184992f3..b0245c19 100644
--- a/memcache/memcache.go
+++ b/memcache/memcache.go
@@ -1,7 +1,6 @@
 package memcache
 
 import (
-	"errors"
 	"strings"
 	"sync"
 	"time"
@@ -16,11 +15,6 @@ type Storage struct {
 	items *sync.Pool
 }
 
-
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 // New creates a new storage
 func New(config ...Config) *Storage {
 	// Set default config
@@ -63,11 +57,11 @@ func New(config ...Config) *Storage {
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	item, err := s.db.Get(key)
 	if err == mc.ErrCacheMiss {
-		return nil, ErrNotFound
+		return nil, nil
 	} else if err != nil {
 		return nil, err
 	}
diff --git a/memcache/memcache_test.go b/memcache/memcache_test.go
index 860fb4cc..52c03cab 100644
--- a/memcache/memcache_test.go
+++ b/memcache/memcache_test.go
@@ -65,14 +65,14 @@ func Test_Memcache_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_Memcache_Get_NotExist(t *testing.T) {
 
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -89,7 +89,7 @@ func Test_Memcache_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -108,11 +108,11 @@ func Test_Memcache_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/memory/README.md b/memory/README.md
index a9009923..214b8bdd 100644
--- a/memory/README.md
+++ b/memory/README.md
@@ -14,8 +14,6 @@ An in-memory storage driver.
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/memory/memory.go b/memory/memory.go
index f4c118d9..3282254d 100644
--- a/memory/memory.go
+++ b/memory/memory.go
@@ -1,7 +1,6 @@
 package memory
 
 import (
-	"errors"
 	"sync"
 	"time"
 )
@@ -14,11 +13,6 @@ type Storage struct {
 	done       chan struct{}
 }
 
-
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 type entry struct {
 	data   []byte
 	expiry int64
@@ -45,13 +39,13 @@ func New(config ...Config) *Storage {
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	s.mux.RLock()
 	v, ok := s.db[key]
 	s.mux.RUnlock()
 	if !ok || v.expiry != 0 && v.expiry <= time.Now().Unix() {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 
 	return v.data, nil
diff --git a/memory/memory_test.go b/memory/memory_test.go
index 9e156906..9804836f 100644
--- a/memory/memory_test.go
+++ b/memory/memory_test.go
@@ -65,14 +65,14 @@ func Test_Memory_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_Memory_Get_NotExist(t *testing.T) {
 
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -89,7 +89,7 @@ func Test_Memory_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -108,11 +108,11 @@ func Test_Memory_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/mongodb/README.md b/mongodb/README.md
index 4faeeb2b..ea47d901 100644
--- a/mongodb/README.md
+++ b/mongodb/README.md
@@ -13,8 +13,6 @@ A MongoDB storage driver using [mongodb/mongo-go-driver](https://github.com/mong
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/mongodb/go.mod b/mongodb/go.mod
index 339a3533..cb507cd4 100644
--- a/mongodb/go.mod
+++ b/mongodb/go.mod
@@ -3,6 +3,12 @@ module github.com/gofiber/storage/mongodb
 go 1.14
 
 require (
+	github.com/aws/aws-sdk-go v1.35.33 // indirect
 	github.com/gofiber/utils v0.1.2
+	github.com/golang/snappy v0.0.2 // indirect
+	github.com/klauspost/compress v1.11.3 // indirect
 	go.mongodb.org/mongo-driver v1.4.3
+	golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9 // indirect
+	golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 // indirect
+	golang.org/x/text v0.3.4 // indirect
 )
diff --git a/mongodb/go.sum b/mongodb/go.sum
index ac29ab86..70ffc02a 100644
--- a/mongodb/go.sum
+++ b/mongodb/go.sum
@@ -1,6 +1,8 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/aws/aws-sdk-go v1.34.28 h1:sscPpn/Ns3i0F4HPEWAVcwdIRaZZCuL7llJ2/60yPIk=
 github.com/aws/aws-sdk-go v1.34.28/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
+github.com/aws/aws-sdk-go v1.35.33 h1:8qPRZqCRok5i7VNN51k/Ky7CuyoXMdSs4mUfKyCqvPw=
+github.com/aws/aws-sdk-go v1.35.33/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -35,6 +37,8 @@ github.com/gofiber/utils v0.1.2 h1:1SH2YEz4RlNS0tJlMJ0bGwO0JkqPqvq6TbHK9tXZKtk=
 github.com/gofiber/utils v0.1.2/go.mod h1:pacRFtghAE3UoknMOUiXh2Io/nLWSUHtQCi/3QASsOc=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.2 h1:aeE13tS0IiQgFjYdoL8qN3K1N2bXXtI6Vi51/y7BpMw=
+github.com/golang/snappy v0.0.2/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
@@ -47,6 +51,8 @@ github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaR
 github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
 github.com/klauspost/compress v1.9.5 h1:U+CaK85mrNNb4k8BNOfgJtJ/gr6kswUCFj6miSzVC6M=
 github.com/klauspost/compress v1.9.5/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
+github.com/klauspost/compress v1.11.3 h1:dB4Bn0tN3wdCzQxnS8r06kV74qN/TAfaIS0bVE8h3jc=
+github.com/klauspost/compress v1.11.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
@@ -91,15 +97,21 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190422162423-af44ce270edf/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
 golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5 h1:8dUaAV7K4uHsF56JQWkprecIQKdPHtR9jCHF5nB8uzc=
 golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9 h1:phUcVbl53swtrUN8kQEXFhUxPlIlWyBfKmidCu7P95o=
+golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2 h1:CCH4IOTTfewWjGOlSp+zGcjutRKlBEZQ6wTn8ozI/nI=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -107,9 +119,14 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190419153524-e8e3143a4f4a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc=
+golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190329151228-23e29df326fe/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190416151739-9c9e1878f421/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
diff --git a/mongodb/mongodb.go b/mongodb/mongodb.go
index ee89e5f2..ccc07258 100644
--- a/mongodb/mongodb.go
+++ b/mongodb/mongodb.go
@@ -2,7 +2,6 @@ package mongodb
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"net/url"
 	"sync"
@@ -21,11 +20,6 @@ type Storage struct {
 	items *sync.Pool
 }
 
-
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 type item struct {
 	ObjectID   primitive.ObjectID `json:"_id,omitempty" bson:"_id,omitempty"`
 	Key        string             `json:"key" bson:"key"`
@@ -114,14 +108,14 @@ func New(config ...Config) *Storage {
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	res := s.col.FindOne(context.Background(), bson.M{"key": key})
 	item := s.acquireItem()
 
 	if err := res.Err(); err != nil {
 		if err == mongo.ErrNoDocuments {
-			return nil, ErrNotFound
+			return nil, nil
 		}
 		return nil, err
 	}
@@ -130,7 +124,7 @@ func (s *Storage) Get(key string) ([]byte, error) {
 	}
 
 	if !item.Expiration.IsZero() && item.Expiration.Unix() <= time.Now().Unix() {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	// // not safe?
 	// res := item.Val
diff --git a/mongodb/mongodb_test.go b/mongodb/mongodb_test.go
index 19a40050..de42bbc3 100644
--- a/mongodb/mongodb_test.go
+++ b/mongodb/mongodb_test.go
@@ -67,14 +67,14 @@ func Test_MongoDB_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_MongoDB_Get_NotExist(t *testing.T) {
 
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -91,7 +91,7 @@ func Test_MongoDB_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -110,11 +110,11 @@ func Test_MongoDB_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/mysql/README.md b/mysql/README.md
index 84fe69fe..c4131c26 100644
--- a/mysql/README.md
+++ b/mysql/README.md
@@ -13,8 +13,6 @@ A MySQL storage driver using `database/sql` and [go-sql-driver/mysql](https://gi
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/mysql/mysql.go b/mysql/mysql.go
index 9972fff6..8394fc93 100644
--- a/mysql/mysql.go
+++ b/mysql/mysql.go
@@ -2,7 +2,6 @@ package mysql
 
 import (
 	"database/sql"
-	"errors"
 	"fmt"
 	"time"
 
@@ -23,11 +22,6 @@ type Storage struct {
 	sqlGC     string
 }
 
-
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 var (
 	dropQuery = "DROP TABLE IF EXISTS %s;"
 	initQuery = []string{
@@ -102,7 +96,7 @@ var noRows = "sql: no rows in result set"
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	row := s.db.QueryRow(s.sqlSelect, key)
 
@@ -115,14 +109,14 @@ func (s *Storage) Get(key string) ([]byte, error) {
 
 	if err := row.Scan(&data, &exp); err != nil {
 		if err == sql.ErrNoRows {
-			return nil, ErrNotFound
+			return nil, nil
 		}
 		return nil, err
 	}
 
 	// If the expiration time has already passed, then return nil
 	if exp != 0 && exp <= time.Now().Unix() {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 
 	return data, nil
diff --git a/mysql/mysql_test.go b/mysql/mysql_test.go
index a66e53f9..1b86b938 100644
--- a/mysql/mysql_test.go
+++ b/mysql/mysql_test.go
@@ -71,14 +71,14 @@ func Test_MYSQL_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_MYSQL_Get_NotExist(t *testing.T) {
 
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -95,7 +95,7 @@ func Test_MYSQL_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -114,11 +114,11 @@ func Test_MYSQL_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/postgres/README.md b/postgres/README.md
index 64aaf5a0..475cad0a 100644
--- a/postgres/README.md
+++ b/postgres/README.md
@@ -13,8 +13,6 @@ A Postgres storage driver using [lib/pq](https://github.com/lib/pq).
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/postgres/postgres.go b/postgres/postgres.go
index db0d3f97..96aa81d8 100644
--- a/postgres/postgres.go
+++ b/postgres/postgres.go
@@ -24,10 +24,6 @@ type Storage struct {
 	sqlGC     string
 }
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 var (
 	dropQuery = `DROP TABLE IF EXISTS %s;`
 	initQuery = []string{
@@ -90,7 +86,7 @@ func New(config ...Config) *Storage {
 	for _, query := range initQuery {
 		if _, err := db.Exec(fmt.Sprintf(query, cfg.Table)); err != nil {
 			_ = db.Close()
-			fmt.Println(fmt.Sprintf(query, cfg.Table))
+
 			panic(err)
 		}
 	}
@@ -118,7 +114,7 @@ var noRows = errors.New("sql: no rows in result set")
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	row := s.db.QueryRow(s.sqlSelect, key)
 	// Add db response to data
@@ -128,14 +124,14 @@ func (s *Storage) Get(key string) ([]byte, error) {
 	)
 	if err := row.Scan(&data, &exp); err != nil {
 		if err == sql.ErrNoRows {
-			return nil, ErrNotFound
+			return nil, nil
 		}
 		return nil, err
 	}
 
 	// If the expiration time has already passed, then return nil
 	if exp != 0 && exp <= time.Now().Unix() {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 
 	return data, nil
diff --git a/postgres/postgres_test.go b/postgres/postgres_test.go
index d17d1294..566d2f0f 100644
--- a/postgres/postgres_test.go
+++ b/postgres/postgres_test.go
@@ -71,14 +71,14 @@ func Test_Postgres_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_Postgres_Get_NotExist(t *testing.T) {
 
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -95,7 +95,7 @@ func Test_Postgres_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -114,11 +114,11 @@ func Test_Postgres_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/redis/README.md b/redis/README.md
index 074489f4..af30dc65 100644
--- a/redis/README.md
+++ b/redis/README.md
@@ -13,8 +13,6 @@ A Redis storage driver using [go-redis/redis](github.com/go-redis/redis).
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/redis/go.mod b/redis/go.mod
index 0b537e04..de6ceabc 100644
--- a/redis/go.mod
+++ b/redis/go.mod
@@ -3,6 +3,6 @@ module github.com/gofiber/storage/redis
 go 1.14
 
 require (
-	github.com/go-redis/redis/v8 v8.3.3
+	github.com/go-redis/redis/v8 v8.4.0
 	github.com/gofiber/utils v0.1.2
 )
diff --git a/redis/go.sum b/redis/go.sum
index 66c1104b..530e5b92 100644
--- a/redis/go.sum
+++ b/redis/go.sum
@@ -9,6 +9,8 @@ github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWo
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/go-redis/redis/v8 v8.3.3 h1:e0CL9fsFDK92pkIJH2XAeS/NwO2VuIOAoJvI6yktZFk=
 github.com/go-redis/redis/v8 v8.3.3/go.mod h1:jszGxBCez8QA1HWSmQxJO9Y82kNibbUmeYhKWrBejTU=
+github.com/go-redis/redis/v8 v8.4.0 h1:J5NCReIgh3QgUJu398hUncxDExN4gMOHI11NVbVicGQ=
+github.com/go-redis/redis/v8 v8.4.0/go.mod h1:A1tbYoHSa1fXwN+//ljcCYYJeLmVrwL9hbQN45Jdy0M=
 github.com/gofiber/utils v0.1.2 h1:1SH2YEz4RlNS0tJlMJ0bGwO0JkqPqvq6TbHK9tXZKtk=
 github.com/gofiber/utils v0.1.2/go.mod h1:pacRFtghAE3UoknMOUiXh2Io/nLWSUHtQCi/3QASsOc=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -24,6 +26,7 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
@@ -42,6 +45,8 @@ github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 go.opentelemetry.io/otel v0.13.0 h1:2isEnyzjjJZq6r2EKMsFj4TxiQiexsM04AVhwbR/oBA=
 go.opentelemetry.io/otel v0.13.0/go.mod h1:dlSNewoRYikTkotEnxdmuBHgzT+k/idJSfDv/FxEnOY=
+go.opentelemetry.io/otel v0.14.0 h1:YFBEfjCk9MTjaytCNSUkp9Q8lF7QJezA06T71FbQxLQ=
+go.opentelemetry.io/otel v0.14.0/go.mod h1:vH5xEuwy7Rts0GNtsCW3HYQoZDY+OmBJ6t1bFGGlxgw=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
diff --git a/redis/redis.go b/redis/redis.go
index 3ce9ac9b..f9f9facb 100644
--- a/redis/redis.go
+++ b/redis/redis.go
@@ -2,7 +2,6 @@ package redis
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"time"
 
@@ -14,10 +13,6 @@ type Storage struct {
 	db *redis.Client
 }
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 // New creates a new redis storage
 func New(config ...Config) *Storage {
 	// Set default config
@@ -52,11 +47,11 @@ func New(config ...Config) *Storage {
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	val, err := s.db.Get(context.Background(), key).Bytes()
 	if err == redis.Nil {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	return val, err
 }
diff --git a/redis/redis_test.go b/redis/redis_test.go
index 0bf0aa4c..21d0b25f 100644
--- a/redis/redis_test.go
+++ b/redis/redis_test.go
@@ -67,13 +67,13 @@ func Test_Redis_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_Redis_Get_NotExist(t *testing.T) {
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -90,7 +90,7 @@ func Test_Redis_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -109,11 +109,11 @@ func Test_Redis_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/sqlite3/README.md b/sqlite3/README.md
index 63dcfa36..0828e03e 100644
--- a/sqlite3/README.md
+++ b/sqlite3/README.md
@@ -13,8 +13,6 @@ A SQLite3 storage driver using [mattn/go-sqlite3](https://github.com/mattn/go-sq
 ```go
 func New(config ...Config) Storage
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
 
 func (s *Storage) Get(key string) ([]byte, error)
 func (s *Storage) Set(key string, val []byte, exp time.Duration) error
diff --git a/sqlite3/go.mod b/sqlite3/go.mod
index ea6e97ed..d2c62531 100644
--- a/sqlite3/go.mod
+++ b/sqlite3/go.mod
@@ -4,5 +4,5 @@ go 1.14
 
 require (
 	github.com/gofiber/utils v0.1.2
-	github.com/mattn/go-sqlite3 v1.14.4
+	github.com/mattn/go-sqlite3 v1.14.5
 )
diff --git a/sqlite3/go.sum b/sqlite3/go.sum
index 1f3bbf02..a5d12f9b 100644
--- a/sqlite3/go.sum
+++ b/sqlite3/go.sum
@@ -2,3 +2,5 @@ github.com/gofiber/utils v0.1.2 h1:1SH2YEz4RlNS0tJlMJ0bGwO0JkqPqvq6TbHK9tXZKtk=
 github.com/gofiber/utils v0.1.2/go.mod h1:pacRFtghAE3UoknMOUiXh2Io/nLWSUHtQCi/3QASsOc=
 github.com/mattn/go-sqlite3 v1.14.4 h1:4rQjbDxdu9fSgI/r3KN72G3c2goxknAqHHgPWWs8UlI=
 github.com/mattn/go-sqlite3 v1.14.4/go.mod h1:WVKg1VTActs4Qso6iwGbiFih2UIHo0ENGwNd0Lj+XmI=
+github.com/mattn/go-sqlite3 v1.14.5 h1:1IdxlwTNazvbKJQSxoJ5/9ECbEeaTTyeU7sEAZ5KKTQ=
+github.com/mattn/go-sqlite3 v1.14.5/go.mod h1:WVKg1VTActs4Qso6iwGbiFih2UIHo0ENGwNd0Lj+XmI=
diff --git a/sqlite3/sqlite3.go b/sqlite3/sqlite3.go
index c4ef6d93..14ee9814 100644
--- a/sqlite3/sqlite3.go
+++ b/sqlite3/sqlite3.go
@@ -2,7 +2,6 @@ package sqlite3
 
 import (
 	"database/sql"
-	"errors"
 	"fmt"
 	"time"
 
@@ -24,10 +23,6 @@ type Storage struct {
 	sqlGC     string
 }
 
-// ErrNotFound means that a get call did not find the requested key.
-var ErrNotFound = errors.New("key not found")
-var ErrKeyNotExist = ErrNotFound
-
 var (
 	dropQuery = `DROP TABLE IF EXISTS %s;`
 	initQuery = []string{
@@ -73,7 +68,6 @@ func New(config ...Config) *Storage {
 	for _, query := range initQuery {
 		if _, err := db.Exec(fmt.Sprintf(query, cfg.Table)); err != nil {
 			_ = db.Close()
-			fmt.Println(fmt.Sprintf(query, cfg.Table))
 			panic(err)
 		}
 	}
@@ -99,7 +93,7 @@ func New(config ...Config) *Storage {
 // Get value by key
 func (s *Storage) Get(key string) ([]byte, error) {
 	if len(key) <= 0 {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 	row := s.db.QueryRow(s.sqlSelect, key)
 	// Add db response to data
@@ -109,13 +103,13 @@ func (s *Storage) Get(key string) ([]byte, error) {
 	)
 	if err := row.Scan(&data, &exp); err != nil {
 		if err == sql.ErrNoRows {
-			return nil, ErrNotFound
+			return nil, nil
 		}
 		return nil, err
 	}
 	// If the expiration time has already passed, then return nil
 	if exp != 0 && exp <= time.Now().Unix() {
-		return nil, ErrNotFound
+		return nil, nil
 	}
 
 	return data, nil
diff --git a/sqlite3/sqlite3_test.go b/sqlite3/sqlite3_test.go
index c3666b62..4a93b8f5 100644
--- a/sqlite3/sqlite3_test.go
+++ b/sqlite3/sqlite3_test.go
@@ -68,14 +68,14 @@ func Test_SQLite3_Get_Expired(t *testing.T) {
 	)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
 func Test_SQLite3_Get_NotExist(t *testing.T) {
 
 	result, err := testStore.Get("notexist")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -92,7 +92,7 @@ func Test_SQLite3_Delete(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get(key)
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
@@ -111,11 +111,11 @@ func Test_SQLite3_Reset(t *testing.T) {
 	utils.AssertEqual(t, nil, err)
 
 	result, err := testStore.Get("john1")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 
 	result, err = testStore.Get("john2")
-	utils.AssertEqual(t, ErrNotFound, err)
+	utils.AssertEqual(t, nil, err)
 	utils.AssertEqual(t, true, len(result) == 0)
 }
 
diff --git a/storage.go b/storage.go
index cfbb1cbd..5f36543f 100644
--- a/storage.go
+++ b/storage.go
@@ -6,13 +6,13 @@ import "time"
 // providers. Visit https://github.com/gofiber/storage for more info.
 type Storage interface {
 	// Get gets the value for the given key.
-	// It returns ErrNotFound if the storage does not contain the key.
+	// `nil, nil` is returned when the key does not exist
 	Get(key string) ([]byte, error)
 
-	// Set stores the given value for the given key along with a
-	// time-to-live expiration value, 0 means live for ever
+	// Set stores the given value for the given key along
+	// with an expiration value, 0 means no expiration.
 	// Empty key or value will be ignored without an error.
-	Set(key string, val []byte, ttl time.Duration) error
+	Set(key string, val []byte, exp time.Duration) error
 
 	// Delete deletes the value for the given key.
 	// It returns no error if the storage does not contain the key,