impl/memory: Fix time serialization encoding.

impl/memory/datastore_query.go

Index: impl/memory/datastore_query.go
diff --git a/impl/memory/datastore_query.go b/impl/memory/datastore_query.go
index 856f4c19bf0c110f29999217dfff28464245c12c..48edb00e04c2272c2ac84fcf4099756bf2ce6d6d 100644
--- a/impl/memory/datastore_query.go
+++ b/impl/memory/datastore_query.go
@@ -107,7 +107,7 @@ func numComponents(fq *ds.FinalizedQuery) int {
 // it is nil.
 //
 // NOTE: if fq specifies a descending sort order for the inequality, the bounds
-// will be inverted, incremented, and fliped.
+// will be inverted, incremented, and flipped.
 func GetBinaryBounds(fq *ds.FinalizedQuery) (lower, upper []byte) {
 	// Pick up the start/end range from the inequalities, if any.
 	//
@@ -117,7 +117,7 @@ func GetBinaryBounds(fq *ds.FinalizedQuery) (lower, upper []byte) {
 	if ineqProp := fq.IneqFilterProp(); ineqProp != "" {
 		_, startOp, startV := fq.IneqFilterLow()
 		if startOp != "" {
-			lower = serialize.ToBytes(startV)
+			lower = serialize.ToBytes(startV.ForIndex())
 			if startOp == ">" {
 				lower = increment(lower)
 			}
@@ -125,7 +125,7 @@ func GetBinaryBounds(fq *ds.FinalizedQuery) (lower, upper []byte) {
 
 		_, endOp, endV := fq.IneqFilterHigh()
 		if endOp != "" {
-			upper = serialize.ToBytes(endV)
+			upper = serialize.ToBytes(endV.ForIndex())
 			if endOp == "<=" {
 				upper = increment(upper)
 			}
@@ -180,7 +180,7 @@ func reduce(fq *ds.FinalizedQuery, aid, ns string, isTxn bool) (*reducedQuery, e
 	for prop, vals := range eqFilts {
 		sVals := stringset.New(len(vals))
 		for _, v := range vals {
-			sVals.Add(string(serialize.ToBytes(v)))
+			sVals.Add(string(serialize.ToBytes(v.ForIndex())))
 		}
 		ret.eqFilters[prop] = sVals
 	}