impl/memory: Implement Queries

impl/memory/gkvlite_utils.go

Index: impl/memory/gkvlite_utils.go
diff --git a/impl/memory/gkvlite_utils.go b/impl/memory/gkvlite_utils.go
index ac64f9b7d7905f1233459120d4231e7e3671b309..88c01018cac80f018b22a70493cce4787c5de286 100644
--- a/impl/memory/gkvlite_utils.go
+++ b/impl/memory/gkvlite_utils.go
@@ -69,9 +69,7 @@ type memStore gkvlite.Store
 
 func newMemStore() *memStore {
 	ret, err := gkvlite.NewStore(nil)
-	if err != nil {
-		panic(err)
-	}
+	memoryCorruption(err)
 	return (*memStore)(ret)
 }
 
@@ -105,44 +103,34 @@ type memCollection gkvlite.Collection
 
 func (mc *memCollection) Get(k []byte) []byte {
 	ret, err := (*gkvlite.Collection)(mc).Get(k)
-	if err != nil {
-		panic(err)
-	}
+	memoryCorruption(err)
 	return ret
 }
 
 func (mc *memCollection) MinItem(withValue bool) *gkvlite.Item {
 	ret, err := (*gkvlite.Collection)(mc).MinItem(withValue)
-	if err != nil {
-		panic(err)
-	}
+	memoryCorruption(err)
 	return ret
 }
 
 func (mc *memCollection) Set(k, v []byte) {
-	if err := (*gkvlite.Collection)(mc).Set(k, v); err != nil {
-		panic(err)
-	}
+	err := (*gkvlite.Collection)(mc).Set(k, v)
+	memoryCorruption(err)
 }
 
 func (mc *memCollection) Delete(k []byte) bool {
 	ret, err := (*gkvlite.Collection)(mc).Delete(k)
-	if err != nil {
-		panic(err)
-	}
+	memoryCorruption(err)
 	return ret
 }
 
 func (mc *memCollection) VisitItemsAscend(target []byte, withValue bool, visitor gkvlite.ItemVisitor) {
-	if err := (*gkvlite.Collection)(mc).VisitItemsAscend(target, withValue, visitor); err != nil {
-		panic(err)
-	}
+	err := (*gkvlite.Collection)(mc).VisitItemsAscend(target, withValue, visitor)
+	memoryCorruption(err)
 }
 
 func (mc *memCollection) GetTotals() (numItems, numBytes uint64) {
 	numItems, numBytes, err := (*gkvlite.Collection)(mc).GetTotals()
-	if err != nil {
-		panic(err)
-	}
+	memoryCorruption(err)
 	return
 }