Navis created HIVE-12373: ---------------------------- Summary: Interner should return identical map or list Key: HIVE-12373 URL: https://issues.apache.org/jira/browse/HIVE-12373 Project: Hive Issue Type: Bug Components: Query Processor Reporter: Navis Assignee: Navis Priority: Minor
Currently, HiveStringUtils.intern(map/list) returns new instance of map or list. But it would break some usage style of code something like below (it's spark code in HiveMetastoreCatalog) {code} val serdeParameters = new java.util.HashMap[String, String]() serdeInfo.setParameters(serdeParameters) // these properties will be gone table.serdeProperties.foreach { case (k, v) => serdeParameters.put(k, v) } p.storage.serdeProperties.foreach { case (k, v) => serdeParameters.put(k, v) } {code} Luckily for spark, interner was not applied to released version of hive (1.2.0, 1.2.1) by mistake. But it would make problem in someday. -- This message was sent by Atlassian JIRA (v6.3.4#6332)