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https://issues.apache.org/jira/browse/LENS-1545?focusedWorklogId=274800&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-274800
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ASF GitHub Bot logged work on LENS-1545:
----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Jul/19 11:33
Start Date: 10/Jul/19 11:33
Worklog Time Spent: 10m
Work Description: ankitkailaswar commented on pull request #34:
[LENS-1545]: Fixed a Bug and made changes for PreparedQuery.
URL: https://github.com/apache/lens/pull/34#discussion_r301521569
##########
File path:
lens-server/src/main/java/org/apache/lens/server/query/QueryExecutionServiceImpl.java
##########
@@ -2054,8 +2056,14 @@ public QueryPrepareHandle prepare(LensSessionHandle
sessionHandle, String query,
acquire(sessionHandle);
prepared = prepareQuery(sessionHandle, query, lensConf,
SubmitOp.PREPARE);
prepared.setQueryName(queryName);
- prepared.getSelectedDriver().prepare(prepared);
+ try {
Review comment:
push start time and end time for prepared query in db and emit metric for
query prepare time.
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Issue Time Tracking
-------------------
Worklog Id: (was: 274800)
Time Spent: 20m (was: 10m)
> Fixed a Bug and made changes for PreparedQuery
> ----------------------------------------------
>
> Key: LENS-1545
> URL: https://issues.apache.org/jira/browse/LENS-1545
> Project: Apache Lens
> Issue Type: Improvement
> Components: api, cube, server
> Reporter: Rajashekhar
> Assignee: Amareshwari Sriramadasu
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Fixed following Issues in Lens for Azure Migrations
> # Bug in Lens-Metastore for single fact granularity --
> https://issues.apache.org/jira/browse/LENS-1544. Explaination: This had a
> special case for handling facts with one-update-period and
> multiple-update-periods. The case which handled one-update-period had a bug
> while generating the name of the hive table whole format is
> update_period-fact_name, the update_period was coming as null.
> # JDBCDriver.java was invoking JDBC Driver while validating the prepared
> query, I don't need this functionality so blocking this via already existing
> config parameter JDBC_VALIDATE_THROUGH_PREPARE.
> 2a) Old Flow:
> {code}
> esitmate()
> --- | --> validate
> -----| --> JDBC_VALIDATE_THROUGH_PREPARE condition to prepare through if
> condition
> -----|--> prepareInternal()
> ----------------|--> rewrite -- Rewritting take place
> {code}
> 2b) New Flow:
> {code}
> esitmate()
> ---| --> rewrite -- Rewritting take place
> ---| --> validate
> -----| --> JDBC_VALIDATE_THROUGH_PREPARE condition to prepare through if
> condition
> -----|--> prepareInternal()
> {code}
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