Fix couchbase member index query and field alignment (#22)

checkpoint.go

@@ -55,8 +55,8 @@ type checkpoint struct {
 	metadata   Metadata
 	schedule   *time.Ticker
 	bucketUUID string
-	config     helpers.Config
 	vbIds      []uint16
+	config     helpers.Config
 	saveLock   sync.Mutex
 	loadLock   sync.Mutex
 }

dcp.go

@@ -32,11 +32,11 @@ type dcp struct {
 	vBucketDiscovery  VBucketDiscovery
 	serviceDiscovery  servicediscovery.ServiceDiscovery
 	listener          models.Listener
-	config            helpers.Config
 	apiShutdown       chan struct{}
 	cancelCh          chan os.Signal
 	stopCh            chan struct{}
 	healCheckFailedCh chan struct{}
+	config            helpers.Config
 }
 
 func (s *dcp) getCollectionIDs() map[uint32]string {

dcp/observer.go

@@ -39,17 +39,13 @@ type ObserverMetric struct {
 
 type observer struct {
 	currentSnapshots     map[uint16]*models.SnapshotMarker
+	uuIDs                map[uint16]gocbcore.VbUUID
+	metrics              map[uint16]ObserverMetric
+	collectionIDs        map[uint32]string
+	listenerCh           models.ListenerCh
+	endCh                chan models.DcpStreamEnd
 	currentSnapshotsLock sync.Mutex
-
-	uuIDs map[uint16]gocbcore.VbUUID
-
-	metrics     map[uint16]ObserverMetric
-	metricsLock sync.Mutex
-
-	collectionIDs map[uint32]string
-
-	listenerCh models.ListenerCh
-	endCh      chan models.DcpStreamEnd
+	metricsLock          sync.Mutex
 }
 
 func (so *observer) convertToCollectionName(collectionID uint32) *string {

helpers/config.go

@@ -24,8 +24,8 @@ type ConfigDCPListener struct {
 }
 
 type ConfigDCP struct {
-	BufferSizeKb int               `yaml:"bufferSizeKb" default:"16384"` // 16MB
 	Group        ConfigDCPGroup    `yaml:"group"`
+	BufferSizeKb int               `yaml:"bufferSizeKb" default:"16384"`
 	Listener     ConfigDCPListener `yaml:"listener"`
 }
 

membership/cb_membership.go

@@ -19,15 +19,15 @@ import (
 )
 
 type cbMembership struct {
+	client              dcp.Client
+	handler             info.Handler
 	info                *info.Model
 	infoChan            chan *info.Model
-	client              dcp.Client
 	id                  []byte
-	clusterJoinTime     int64
 	lastActiveInstances []Instance
-	handler             info.Handler
 	monitorQuery        []byte
 	indexQuery          []byte
+	clusterJoinTime     int64
 }
 
 type Instance struct {
@@ -181,7 +181,7 @@ func getIndexQuery(metadataBucket string) []byte {
 	var query []byte
 
 	query = append(query, []byte("CREATE INDEX ")...)
-	query = append(query, []byte("ids_metadata_instance IF NOT EXISTS on ")...)
+	query = append(query, []byte("ids_metadata_instance on ")...)
 	query = append(query, []byte("`")...)
 	query = append(query, []byte(metadataBucket)...)
 	query = append(query, []byte("`(`type`)")...)

models/type.go

@@ -16,21 +16,21 @@ type SnapshotMarker struct {
 }
 
 type InternalDcpMutation struct {
+	CollectionName *string
 	gocbcore.DcpMutation
 	Offset
-	CollectionName *string
 }
 
 type InternalDcpDeletion struct {
+	CollectionName *string
 	gocbcore.DcpDeletion
 	Offset
-	CollectionName *string
 }
 
 type InternalDcpExpiration struct {
+	CollectionName *string
 	gocbcore.DcpExpiration
 	Offset
-	CollectionName *string
 }
 
 func (i *InternalDcpMutation) IsCreated() bool {

stream.go

@@ -37,20 +37,20 @@ type stream struct {
 	client           gDcp.Client
 	metadata         Metadata
 	checkpoint       Checkpoint
-	offsetsLock      sync.Mutex
+	metric           StreamMetric
 	observer         gDcp.Observer
 	vBucketDiscovery VBucketDiscovery
+	collectionIDs    map[uint32]string
+	listener         models.Listener
 	offsets          map[uint16]models.Offset
-	dirty            bool
+	stopCh           chan struct{}
 	config           helpers.Config
-	listener         models.Listener
 	activeStreams    sync.WaitGroup
 	streamsLock      sync.Mutex
-	collectionIDs    map[uint32]string
-	metric           StreamMetric
+	offsetsLock      sync.Mutex
 	rebalanceLock    sync.Mutex
+	dirty            bool
 	balancing        bool
-	stopCh           chan struct{}
 }
 
 func (s *stream) setOffset(vbID uint16, offset models.Offset) {