[
https://issues.apache.org/jira/browse/HIVE-24445?focusedWorklogId=699487&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-699487
]
ASF GitHub Bot logged work on HIVE-24445:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Dec/21 16:17
Start Date: 21/Dec/21 16:17
Worklog Time Spent: 10m
Work Description: deniskuzZ commented on a change in pull request #2772:
URL: https://github.com/apache/hive/pull/2772#discussion_r773270399
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java
##########
@@ -4238,22 +4307,23 @@ public void cleanupRecords(HiveObjectType type,
Database db, Table table,
buff.append("'");
queries.add(buff.toString());
- buff.setLength(0);
- buff.append("DELETE FROM \"TXN_TO_WRITE_ID\" WHERE
\"T2W_DATABASE\"='");
- buff.append(dbName.toLowerCase());
- buff.append("' AND \"T2W_TABLE\"='");
- buff.append(tblName.toLowerCase());
- buff.append("'");
- queries.add(buff.toString());
-
- buff.setLength(0);
- buff.append("DELETE FROM \"NEXT_WRITE_ID\" WHERE
\"NWI_DATABASE\"='");
- buff.append(dbName.toLowerCase());
- buff.append("' AND \"NWI_TABLE\"='");
- buff.append(tblName.toLowerCase());
- buff.append("'");
- queries.add(buff.toString());
+ if (!keepTxnToWriteIdMetaData) {
Review comment:
AcidHouseKeeperThread would do it in cleanTheHouse() once
min_uncommitted_txnid which is currently seen by any open transactions is
advanced.
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Issue Time Tracking
-------------------
Worklog Id: (was: 699487)
Time Spent: 14h 20m (was: 14h 10m)
> Non blocking DROP TABLE implementation
> --------------------------------------
>
> Key: HIVE-24445
> URL: https://issues.apache.org/jira/browse/HIVE-24445
> Project: Hive
> Issue Type: New Feature
> Components: Hive
> Reporter: Zoltan Chovan
> Assignee: Denys Kuzmenko
> Priority: Major
> Labels: pull-request-available
> Time Spent: 14h 20m
> Remaining Estimate: 0h
>
> Implement a way to execute drop table operations in a way that doesn't have
> to wait for currently running read operations to be finished.
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