raj-ummadisetty commented on code in PR #1926:
URL:
https://github.com/apache/cassandra-gocql-driver/pull/1926#discussion_r2829753412
##########
policies.go:
##########
@@ -447,43 +452,39 @@ func (t *tokenAwareHostPolicy) Init(s *Session) {
}
t.getKeyspaceMetadata = s.KeyspaceMetadata
t.getKeyspaceName = func() string { return s.cfg.Keyspace }
+ t.getSchemaMeta = s.schemaDescriber.getSchemaMetaForRead
t.logger = s.logger
}
func (t *tokenAwareHostPolicy) IsLocal(host *HostInfo) bool {
return t.fallback.IsLocal(host)
}
-func (t *tokenAwareHostPolicy) KeyspaceChanged(update KeyspaceUpdateEvent) {
+// replica map is updated through the SchemaRefreshed callback
+func (t *tokenAwareHostPolicy) KeyspaceChanged(update KeyspaceUpdateEvent) {}
+
+func (t *tokenAwareHostPolicy) SchemaRefreshed(schemaMeta *schemaMeta) {
t.mu.Lock()
defer t.mu.Unlock()
meta := t.getMetadataForUpdate()
- t.updateReplicas(meta, update.Keyspace)
+ t.updateReplicas(meta, schemaMeta)
t.metadata.Store(meta)
}
// updateReplicas updates replicas in clusterMeta.
// It must be called with t.mu mutex locked.
// meta must not be nil and it's replicas field will be updated.
-func (t *tokenAwareHostPolicy) updateReplicas(meta *clusterMeta, keyspace
string) {
- newReplicas := make(map[string]tokenRingReplicas, len(meta.replicas))
-
- ks, err := t.getKeyspaceMetadata(keyspace)
- if err == nil {
- strat := getStrategy(ks, t.logger)
+func (t *tokenAwareHostPolicy) updateReplicas(meta *clusterMeta, schemaMeta
*schemaMeta) {
+ schema := schemaMeta.keyspaceMeta
+ newReplicas := make(map[string]tokenRingReplicas, len(schema))
+ for keyspace, metadata := range schema {
+ strat := getStrategy(metadata, t.logger)
if strat != nil {
if meta != nil && meta.tokenRing != nil {
newReplicas[keyspace] =
strat.replicaMap(meta.tokenRing)
Review Comment:
I think we did discuss this previously and felt this can be handled as a
follow up. I'll take a stab
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