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https://issues.apache.org/jira/browse/HIVE-24259?focusedWorklogId=505141&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-505141
]
ASF GitHub Bot logged work on HIVE-24259:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Oct/20 10:14
Start Date: 27/Oct/20 10:14
Worklog Time Spent: 10m
Work Description: adesh-rao commented on a change in pull request #1610:
URL: https://github.com/apache/hive/pull/1610#discussion_r512564828
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/cache/CachedStore.java
##########
@@ -2836,14 +2836,32 @@ long getPartsFound() {
@Override
public SQLAllTableConstraints getAllTableConstraints(String catName, String
dbName, String tblName)
throws MetaException, NoSuchObjectException {
- SQLAllTableConstraints sqlAllTableConstraints = new
SQLAllTableConstraints();
- sqlAllTableConstraints.setPrimaryKeys(getPrimaryKeys(catName, dbName,
tblName));
- sqlAllTableConstraints.setForeignKeys(getForeignKeys(catName, null, null,
dbName, tblName));
- sqlAllTableConstraints.setUniqueConstraints(getUniqueConstraints(catName,
dbName, tblName));
-
sqlAllTableConstraints.setDefaultConstraints(getDefaultConstraints(catName,
dbName, tblName));
- sqlAllTableConstraints.setCheckConstraints(getCheckConstraints(catName,
dbName, tblName));
-
sqlAllTableConstraints.setNotNullConstraints(getNotNullConstraints(catName,
dbName, tblName));
- return sqlAllTableConstraints;
+
+ catName = StringUtils.normalizeIdentifier(catName);
+ dbName = StringUtils.normalizeIdentifier(dbName);
+ tblName = StringUtils.normalizeIdentifier(tblName);
+ if (!shouldCacheTable(catName, dbName, tblName) || (canUseEvents &&
rawStore.isActiveTransaction())) {
+ return rawStore.getAllTableConstraints(catName, dbName, tblName);
+ }
+
+ Table tbl = sharedCache.getTableFromCache(catName, dbName, tblName);
+ if (tbl == null) {
+ // The table containing the constraints is not yet loaded in cache
+ return rawStore.getAllTableConstraints(catName, dbName, tblName);
+ }
+ SQLAllTableConstraints constraints =
sharedCache.listCachedAllTableConstraints(catName, dbName, tblName);
+
+ // if any of the constraint value is missing then there might be the case
of partial constraints are stored in cached.
+ // So fall back to raw store for correct values
+ if (constraints != null &&
CollectionUtils.isNotEmpty(constraints.getPrimaryKeys()) && CollectionUtils
Review comment:
Also, what if the table just has primary keys and no other constraints?
nonEmpty(otherConstraints) will return true and we will not cache anything?
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Issue Time Tracking
-------------------
Worklog Id: (was: 505141)
Time Spent: 50m (was: 40m)
> [CachedStore] Optimise getAlltableConstraint from 6 cache calls to 1
> --------------------------------------------------------------------
>
> Key: HIVE-24259
> URL: https://issues.apache.org/jira/browse/HIVE-24259
> Project: Hive
> Issue Type: Sub-task
> Reporter: Ashish Sharma
> Assignee: Ashish Sharma
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Description -
> currently inorder to get all constraint form the cachedstore. 6 different
> call is made to the store. Instead combine that 6 call in 1
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