[
https://issues.apache.org/jira/browse/HIVE-21884?focusedWorklogId=324729&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-324729
]
ASF GitHub Bot logged work on HIVE-21884:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Oct/19 23:46
Start Date: 07/Oct/19 23:46
Worklog Time Spent: 10m
Work Description: jcamachor commented on pull request #794: HIVE-21884
URL: https://github.com/apache/hive/pull/794#discussion_r332279975
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
##########
@@ -12583,4 +12600,306 @@ public static boolean isCurrentStatsValidForTheQuery(
return false;
}
+
+ @Override
+ public ScheduledQueryPollResponse
scheduledQueryPoll(ScheduledQueryPollRequest request) {
+ String namespace = request.getClusterNamespace();
+ boolean commited = false;
+ ScheduledQueryPollResponse ret = new ScheduledQueryPollResponse();
+ try {
+ openTransaction();
+ Query q = pm.newQuery(MScheduledQuery.class,
+ "nextExecution <= now && enabled && clusterNamespace == ns");
+ q.setSerializeRead(true);
+ q.declareParameters("java.lang.Integer now, java.lang.String ns");
+ q.setOrdering("nextExecution");
+ int now = (int) (System.currentTimeMillis() / 1000);
+ List<MScheduledQuery> results = (List<MScheduledQuery>) q.execute(now,
request.getClusterNamespace());
+ if (results == null || results.isEmpty()) {
+ return new ScheduledQueryPollResponse();
+ }
+ MScheduledQuery schq = results.get(0);
+ Integer plannedExecutionTime = schq.getNextExecution();
+ schq.setNextExecution(computeNextExecutionTime(schq.getSchedule()));
+
+ MScheduledExecution execution = new MScheduledExecution();
+ execution.setScheduledQuery(schq);
+ execution.setState(QueryState.INITED);
+ execution.setStartTime(now);
+ execution.setLastUpdateTime(now);
+ pm.makePersistent(execution);
+ pm.makePersistent(schq);
+ ObjectStoreTestHook.onScheduledQueryPoll();
+ commited = commitTransaction();
+ ret.setScheduleKey(schq.getScheduleKey());
+ ret.setQuery(schq.getQuery());
+ ret.setUser(schq.getUser());
+ int executionId = ((IntIdentity) pm.getObjectId(execution)).getKey();
+ ret.setExecutionId(executionId);
+ } catch (JDOException e) {
+ LOG.debug("Caught jdo exception; exclusive", e);
+ commited = false;
+ } finally {
+ if (commited) {
+ return ret;
+ } else {
+ rollbackTransaction();
+ return new ScheduledQueryPollResponse();
+ }
+ }
+ }
+
+ @Override
+ public void scheduledQueryProgress(ScheduledQueryProgressInfo info) throws
InvalidOperationException {
+ boolean commited = false;
+ try {
+ openTransaction();
+ MScheduledExecution execution =
pm.getObjectById(MScheduledExecution.class, info.getScheduledExecutionId());
+ if (!validateStateChange(execution.getState(), info.getState())) {
+ throw new InvalidOperationException("Invalid state change: " +
execution.getState() + "=>" + info.getState());
Review comment:
Cool!
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Issue Time Tracking
-------------------
Worklog Id: (was: 324729)
> Scheduled query support
> -----------------------
>
> Key: HIVE-21884
> URL: https://issues.apache.org/jira/browse/HIVE-21884
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21844.04.patch, HIVE-21844.05.patch,
> HIVE-21844.06.patch, HIVE-21844.07.patch, HIVE-21844.08.patch,
> HIVE-21844.09.patch, HIVE-21844.15.patch, HIVE-21844.19.patch,
> HIVE-21884.01.patch, HIVE-21884.02.patch, HIVE-21884.03.patch,
> HIVE-21884.09.patch, HIVE-21884.10.patch, HIVE-21884.10.patch,
> HIVE-21884.11.patch, HIVE-21884.12.patch, HIVE-21884.13.patch,
> HIVE-21884.14.patch, HIVE-21884.14.patch, HIVE-21884.14.patch,
> HIVE-21884.16.patch, HIVE-21884.17.patch, HIVE-21884.18.patch,
> HIVE-21884.20.patch, Scheduled queries2.pdf
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> design document:
> https://docs.google.com/document/d/1mJSFdJi_1cbxJTXC9QvGw2rQ3zzJkNfxOO6b5esmyCE/edit#
> in case the google doc is not reachable: [^Scheduled queries2.pdf]
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