tidb: remove useless code (#321)

pingcap · Feb 29, 2020 · 7c2f188 · 7c2f188
1 parent 820e3b9
commit 7c2f188
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Showing 2 changed files with 4 additions and 5 deletions.
diff --git a/tidb/mapreduce/casegen.go b/tidb/mapreduce/casegen.go
@@ -10,10 +10,9 @@ import (
 type DataSize int
 
 const (
-	Byte = 1
-	KB   = 1 << 10
-	MB   = 1 << 20
-	GB   = 1 << 30
+	KB = 1 << 10
+	MB = 1 << 20
+	GB = 1 << 30
 )
 
 func (d DataSize) String() string {

diff --git a/tidb/mapreduce/urltop10_example.go b/tidb/mapreduce/urltop10_example.go
@@ -31,7 +31,7 @@ func ExampleURLTop10(nWorkers int) RoundsArgs {
 
 // ExampleURLCountMap is the map function in the first round
 func ExampleURLCountMap(filename string, contents string) []KeyValue {
-	lines := strings.Split(string(contents), "\n")
+	lines := strings.Split(contents, "\n")
 	kvs := make([]KeyValue, 0, len(lines))
 	for _, l := range lines {
 		l = strings.TrimSpace(l)