xushiyan commented on code in PR #6073:
URL: https://github.com/apache/hudi/pull/6073#discussion_r917413831


##########
hudi-sync/hudi-sync-common/src/main/java/org/apache/hudi/sync/common/HoodieSyncConfig.java:
##########
@@ -56,22 +59,14 @@ public class HoodieSyncConfig extends HoodieConfig {
   public static final ConfigProperty<String> META_SYNC_DATABASE_NAME = 
ConfigProperty
       .key("hoodie.datasource.hive_sync.database")
       .defaultValue("default")
+      .withInferFunction(cfg -> 
Option.ofNullable(cfg.getString(DATABASE_NAME)))

Review Comment:
   good catch. actually these infer functions were never effective as 
`ConfigProperty#setDefaultValue(ConfigProperty)` wasn't invoked at all. Also 
noticed that this can be a bug where 
`org.apache.hudi.common.config.HoodieConfig#setDefaults` never infer defaults 
if no default value was set. I can file a separate fix for that.



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