func (h Handler) Delete(cmd common.DeleteRequest) error {
// read metadata
// delete metadata
// for 0 to metadata.numChunks
// delete item
metaKey, metaData, err := getMetadata(h.rw, cmd.Key)
if err != nil {
if err == common.ErrKeyNotFound {
metrics.IncCounter(MetricCmdDeleteMissesMeta)
}
return err
}
// Delete metadata first
if err := binprot.WriteDeleteCmd(h.rw.Writer, metaKey); err != nil {
return err
}
if err := simpleCmdLocal(h.rw, true); err != nil {
if err == common.ErrKeyNotFound {
metrics.IncCounter(MetricCmdDeleteMissesMeta)
}
return err
}
// Then delete data chunks
for i := 0; i < int(metaData.NumChunks); i++ {
chunkKey := chunkKey(cmd.Key, i)
if err := binprot.WriteDeleteCmd(h.rw.Writer, chunkKey); err != nil {
return err
}
}
if err := h.rw.Flush(); err != nil {
return err
}
miss := false
for i := 0; i < int(metaData.NumChunks); i++ {
if err := simpleCmdLocal(h.rw, false); err != nil {
if err == common.ErrKeyNotFound && !miss {
metrics.IncCounter(MetricCmdDeleteMissesChunk)
miss = true
}
}
}
if miss {
return common.ErrKeyNotFound
}
return nil
}
func (h Handler) Delete(cmd common.DeleteRequest) error {
// read metadata
// delete metadata
// for 0 to metadata.numChunks
// delete item
metaKey, metaData, err := getMetadata(h.rw, cmd.Key)
if err != nil {
if err == common.ErrKeyNotFound {
//fmt.Println("Delete miss because of missing metadata. Key:", cmd.Key)
}
return err
}
// Delete metadata first
if err := binprot.WriteDeleteCmd(h.rw.Writer, metaKey); err != nil {
return err
}
if err := simpleCmdLocal(h.rw); err != nil {
return err
}
// Then delete data chunks
for i := 0; i < int(metaData.NumChunks); i++ {
chunkKey := chunkKey(cmd.Key, i)
if err := binprot.WriteDeleteCmd(h.rw.Writer, chunkKey); err != nil {
return err
}
if err := simpleCmdLocal(h.rw); err != nil {
return err
}
}
return nil
}
func (h Handler) Delete(cmd common.DeleteRequest) error {
if err := binprot.WriteDeleteCmd(h.rw.Writer, cmd.Key); err != nil {
return err
}
return simpleCmdLocal(h.rw)
}