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author | greatroar <61184462+greatroar@users.noreply.github.com> | 2020-03-31 14:32:24 +0200 |
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committer | GitHub <noreply@github.com> | 2020-03-31 14:32:24 +0200 |
commit | 2f26a9597355d1795c6e2bee4b53bf16de9e301e (patch) | |
tree | 56d05ac1404607f66f4ad39d10c6a00a42236e4f /lib/db/namespaced.go | |
parent | 123941cf627ea9e4414dbd537d6331182b7730da (diff) |
lib/db, lib/model: Code simplifications (#6484)
NamespacedKV.prefixedKey is still small enough to be inlined.
Diffstat (limited to 'lib/db/namespaced.go')
-rw-r--r-- | lib/db/namespaced.go | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/lib/db/namespaced.go b/lib/db/namespaced.go index 18aaf292d3..285799c04c 100644 --- a/lib/db/namespaced.go +++ b/lib/db/namespaced.go @@ -17,20 +17,15 @@ import ( // a leveldb. type NamespacedKV struct { db *Lowlevel - prefix []byte + prefix string } // NewNamespacedKV returns a new NamespacedKV that lives in the namespace // specified by the prefix. func NewNamespacedKV(db *Lowlevel, prefix string) *NamespacedKV { - prefixBs := []byte(prefix) - // After the conversion from string the cap will be larger than the len (in Go 1.11.5, - // 32 bytes cap for small strings). We need to cut it down to ensure append() calls - // on the prefix make a new allocation. - prefixBs = prefixBs[:len(prefixBs):len(prefixBs)] return &NamespacedKV{ db: db, - prefix: prefixBs, + prefix: prefix, } } @@ -130,7 +125,7 @@ func (n NamespacedKV) Delete(key string) error { } func (n NamespacedKV) prefixedKey(key string) []byte { - return append(n.prefix, []byte(key)...) + return []byte(n.prefix + key) } // Well known namespaces that can be instantiated without knowing the key |