From 87359fc898d9068d5ee60e15c31060094f13f6c7 Mon Sep 17 00:00:00 2001
From: Steven Allen <steven@stebalien.com>
Date: Wed, 21 Aug 2019 09:36:51 -0700
Subject: [PATCH] make delete idempotent

fixes https://github.com/ipfs/go-datastore/issues/104
---
 datastore.go | 10 ----------
 go.mod       |  2 +-
 go.sum       |  4 ++--
 3 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/datastore.go b/datastore.go
index 1b2df12..6f8a610 100644
--- a/datastore.go
+++ b/datastore.go
@@ -99,16 +99,6 @@ func (d *accessor) GetSize(key ds.Key) (size int, err error) {
 }
 
 func (a *accessor) Delete(key ds.Key) (err error) {
-	// leveldb Delete will not return an error if the key doesn't
-	// exist (see https://github.com/syndtr/goleveldb/issues/109),
-	// so check that the key exists first and if not return an
-	// error
-	exists, err := a.ldb.Has(key.Bytes(), nil)
-	if !exists {
-		return ds.ErrNotFound
-	} else if err != nil {
-		return err
-	}
 	return a.ldb.Delete(key.Bytes(), nil)
 }
 
diff --git a/go.mod b/go.mod
index d26e1c1..121eea7 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/ipfs/go-ds-leveldb
 
 require (
-	github.com/ipfs/go-datastore v0.0.3
+	github.com/ipfs/go-datastore v0.1.0
 	github.com/syndtr/goleveldb v1.0.0
 )
diff --git a/go.sum b/go.sum
index d6ecf9b..12cceb1 100644
--- a/go.sum
+++ b/go.sum
@@ -10,8 +10,8 @@ github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/ipfs/go-datastore v0.0.3 h1:/eP3nMDmLzMJNoWSSYvEkmMTTrm9FFCN+JraP9NdlwU=
-github.com/ipfs/go-datastore v0.0.3/go.mod h1:d4KVXhMt913cLBEI/PXAy6ko+W7e9AhyAKBGh803qeE=
+github.com/ipfs/go-datastore v0.1.0 h1:TOxI04l8CmO4zGtesENhzm4PwkFwJXY3rKiYaaMf9fI=
+github.com/ipfs/go-datastore v0.1.0/go.mod h1:d4KVXhMt913cLBEI/PXAy6ko+W7e9AhyAKBGh803qeE=
 github.com/ipfs/go-ipfs-delay v0.0.0-20181109222059-70721b86a9a8/go.mod h1:8SP1YXK1M1kXuc4KJZINY3TQQ03J2rwBG9QfXmbRPrw=
 github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8 h1:bspPhN+oKYFk5fcGNuQzp6IGzYQSenLEgH3s6jkXrWw=
 github.com/jbenet/goprocess v0.0.0-20160826012719-b497e2f366b8/go.mod h1:Ly/wlsjFq/qrU3Rar62tu1gASgGw6chQbSh/XgIIXCY=