sankarh commented on a change in pull request #688: HIVE-21886 : REPL - With
table list - Handle rename events during replace policy
URL: https://github.com/apache/hive/pull/688#discussion_r297588891
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/parse/repl/dump/events/AlterTableHandler.java
##########
@@ -92,16 +93,40 @@ private Scenario
scenarioType(org.apache.hadoop.hive.metastore.api.Table before,
}
}
- // return true, if event needs to be dumped, else return false.
- private boolean handleForTableLevelReplication(Context withinContext) {
- String oldName = before.getTableName();
- String newName = after.getTableName();
+ private boolean isSetForBootstrapByReplaceHandler(Context withinContext,
String tblName) {
+ return (withinContext.oldReplScope != null)
+ &&
!(ReplUtils.tableIncludedInReplScope(withinContext.oldReplScope, tblName))
+ && (ReplUtils.tableIncludedInReplScope(withinContext.replScope,
tblName));
+ }
- if (ReplUtils.tableIncludedInReplScope(withinContext.replScope, oldName)) {
- // If the table is renamed after being added to the list of tables to be
bootstrapped, then remove it from the
- // list of tables to be bootstrapped.
- boolean oldTableIsPresent =
withinContext.removeFromListOfTablesForBootstrap(before.getTableName());
+ // Return true, if event needs to be dumped, else return false.
+ private boolean handleForTableLevelReplication(Context withinContext, String
tblName) {
+ // For alter, if the table does not satisfy the new policy then ignore the
event. In case of replace
+ // policy, if the table does not satisfy the old policy, then ignore the
event. As, if the table satisfy the new
+ // policy, then the table will be bootstrapped by replace handler anb if
the table does not satisfy the new policy,
+ // then anyways the table should be ignored.
+ if (!ReplUtils.tableIncludedInReplScope(withinContext.replScope, tblName))
{
+ // In case of replace, it will be dropped during load. In normal case
just ignore the alter event.
+ LOG.debug("Table " + tblName + " does not satisfy the policy");
+ return false;
+ } else if ((withinContext.oldReplScope != null)
Review comment:
No need to explicitly check (withinContext.oldReplScope != null) here.
ReplUtils.tableIncludedInReplScope handles it.
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