qb: TTL and Timestamp named parameters

qb/utils.go

@@ -2,6 +2,7 @@ package qb
 
 import (
 	"bytes"
+	"time"
 )
 
 // placeholders returns a string with count ? placeholders joined with commas.
@@ -16,3 +17,13 @@ func placeholders(cql *bytes.Buffer, count int) {
 	}
 	cql.WriteByte('?')
 }
+
+// TTL converts duration to format expected in USING TTL clause.
+func TTL(d time.Duration) int64 {
+	return int64(d.Seconds())
+}
+
+// Timestamp converts time to format expected in USING TIMESTAMP clause.
+func Timestamp(t time.Time) int64 {
+	return t.UnixNano() / 1000
+}