From 4a0b176dbe5aa182e03ae03700203e763e6d6a57 Mon Sep 17 00:00:00 2001
From: DerLinkshaender <mail@arminhanisch.de>
Date: Wed, 5 Dec 2018 00:01:55 +0100
Subject: [PATCH 1/2] added function to retrieve a slice of all keys

---
 skv.go | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/skv.go b/skv.go
index e8fd7cc..7bbf35a 100644
--- a/skv.go
+++ b/skv.go
@@ -141,6 +141,28 @@ func (kvs *KVStore) Delete(key string) error {
 	})
 }
 
+// Iterate over all existing keys and return a slice of the keys.
+// If no keys are found, return an empty slice.
+//
+//	store.GetKeys()
+func (kvs *KVStore) GetKeys() ([][]byte, error) {
+	var kl [][]byte
+
+	err := kvs.db.View(func(tx *bolt.Tx) error {
+		var err error
+		b := tx.Bucket(bucketName)
+
+		err = b.ForEach(func(k, v []byte) error {
+			kopie := make([]byte, len(k))
+			copy(kopie, k)
+			kl = append(kl, kopie)
+			return nil
+		})
+		return err
+	})
+	return kl, err
+}
+
 // Close closes the key-value store file.
 func (kvs *KVStore) Close() error {
 	return kvs.db.Close()

From 10c54400421f9a96e8bc23ff732241602e0e1a11 Mon Sep 17 00:00:00 2001
From: DerLinkshaender <mail@arminhanisch.de>
Date: Wed, 5 Dec 2018 00:36:08 +0100
Subject: [PATCH 2/2] retrieve keys as string, added test

---
 skv-test.db | Bin 0 -> 65536 bytes
 skv.go      |  11 +++++------
 skv_test.go |  20 ++++++++++++++++++++
 3 files changed, 25 insertions(+), 6 deletions(-)
 create mode 100644 skv-test.db

diff --git a/skv-test.db b/skv-test.db
new file mode 100644
index 0000000000000000000000000000000000000000..41a6619a277c5733a2da949c9d89f2d825658d74
GIT binary patch
literal 65536
zcmeI)F;2rU6aY|Dpioqa4s0yFLdC|w$UPW3m6b{ygA*{q%)$*27l45~lrs=F{!)<=
zlmV%!^ddF394B#Krk`&orFuIk<?3s^8sz%qcY8UU4ol^vl%IQb<>C7LY5IEl9Q~98
z2oNAZfB*pk1PBlyK!8Ah1WNdx+T#E9yMT@1?w5MR{~zT7muGM9k1yXB8(mci5FkK+
z009C72oNAZfB=D>2t<58NOd5e_c`^S+pntMVp;7Pw>Tpo%xB~`2>GqRVtzjxjni;>
zb9*<RRSh-*1PBlyK!5-N0t5&UAV6Tt0+G+3q~UrbF%KZ-`PZ!}9hGq&mvXe_al1VM
z0t5&UAV7cs0RjXF5FpT9AmaVV=F9(gx6_jV0RjXF5FkK+009C72<(bL<oP52AL{{P
zUV!}nt~^QOBtU=w0RjXF5FkK+009E+0ukRg<^QMEX@9N%Z@;P|1PBlyK!5-N0t5&U
zAV7dXp9ErEe_Q@P)(6Bq0qg(!^z@8{009C72oNAZfB*pk1PF8!h<Ls!|L^<%-3;|2
zK!5-N0t5&UAV7cs0Rnv&i0}A!&Hu-GftWYY_y1>n1PBlyK!5-N0t5&UAV7cs0RjXF
z5FkK+009C72oNAZfB*pk1PBlyK!5-N0t5&UAV7cs0RjXF5FkK+009C72oNAZfB*pk
z1PBlyK!5-N0t5&UAV7cs0RjXF5FkK+009C72oNAZfB*pk1PBlyK!5-N0t5&UAVA<h
G1bzS+L?FHZ

literal 0
HcmV?d00001

diff --git a/skv.go b/skv.go
index 7bbf35a..8f45aae 100644
--- a/skv.go
+++ b/skv.go
@@ -145,18 +145,17 @@ func (kvs *KVStore) Delete(key string) error {
 // If no keys are found, return an empty slice.
 //
 //	store.GetKeys()
-func (kvs *KVStore) GetKeys() ([][]byte, error) {
-	var kl [][]byte
+func (kvs *KVStore) GetKeys() ([]string, error) {
+	var kl []string
 
 	err := kvs.db.View(func(tx *bolt.Tx) error {
 		var err error
 		b := tx.Bucket(bucketName)
 
 		err = b.ForEach(func(k, v []byte) error {
-			kopie := make([]byte, len(k))
-			copy(kopie, k)
-			kl = append(kl, kopie)
-			return nil
+			//copy(kopie, k)
+			kl = append(kl, string(k))
+			return err
 		})
 		return err
 	})
diff --git a/skv_test.go b/skv_test.go
index e2fe841..1055e47 100644
--- a/skv_test.go
+++ b/skv_test.go
@@ -131,6 +131,26 @@ func testGetPut(t *testing.T, inval interface{}, outval interface{}) {
 	}
 }
 
+func TestGetKeys(t *testing.T) {
+	os.Remove("skv-test.db")
+	db, err := Open("skv-test.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if l, err := db.GetKeys(); err != nil || len(l) != 0 {
+		t.Fatal("GetKey slice should be empty")
+	}
+	if err := db.Put("test.key", "TESTVALUE"); err != nil {
+		t.Fatal(err)
+	}
+	if l, err := db.GetKeys(); err != nil || len(l) != 1 {
+		t.Fatal("GetKey slice should contain one key")
+	}
+	if err := db.Close(); err != nil {
+		t.Fatal(err)
+	}
+}
+
 func TestNil(t *testing.T) {
 	os.Remove("skv-test.db")
 	db, err := Open("skv-test.db")