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https://issues.apache.org/jira/browse/HIVE-839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13151024#comment-13151024
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iryoung jeong commented on HIVE-839:
------------------------------------
Whenever people set-up new Hive cluster in my company, they used to forget to
set to this option.
Therefore, I think this default value change is necessary.
IMHO, required code to fix this issue is so simple as well (even I can attached
below) , and HIVE-2196 or related issues is good chance to apply this.
{noformat}
diff --git common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
index 2a52fd1..3124b60 100644
--- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
+++ common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
@@ -285,7 +285,7 @@ public class HiveConf extends Configuration {
HIVEPARTITIONNAME("hive.partition.name", ""),
HIVESCRIPTAUTOPROGRESS("hive.script.auto.progress", false),
HIVESCRIPTIDENVVAR("hive.script.operator.id.env.var",
"HIVE_SCRIPT_OPERATOR_ID"),
- HIVEMAPREDMODE("hive.mapred.mode", "nonstrict"),
+ HIVEMAPREDMODE("hive.mapred.mode", "strict"),
HIVEALIAS("hive.alias", ""),
HIVEMAPSIDEAGGREGATE("hive.map.aggr", true),
HIVEGROUPBYSKEW("hive.groupby.skewindata", false),
diff --git conf/hive-default.xml conf/hive-default.xml
index 553624d..b7ec13c 100644
--- conf/hive-default.xml
+++ conf/hive-default.xml
@@ -447,7 +447,7 @@
<property>
<name>hive.mapred.mode</name>
- <value>nonstrict</value>
+ <value>strict</value>
<description>The mode in which the hive operations are being performed. In
strict mode, some risky queries are not allowed to run<
</property>
diff --git ql/src/test/org/apache/hadoop/hive/ql/QTestUtil.java
ql/src/test/org/apache/hadoop/hive/ql/QTestUtil.java
index 35d124b..f4d1fff 100644
--- ql/src/test/org/apache/hadoop/hive/ql/QTestUtil.java
+++ ql/src/test/org/apache/hadoop/hive/ql/QTestUtil.java
@@ -199,6 +199,7 @@ public class QTestUtil {
}
public void initConf() throws Exception {
+ conf.setVar(HiveConf.ConfVars.HIVEMAPREDMODE, "nonstrict");
if (miniMr) {
assert dfs != null;
assert mr != null;
{noformat}
> change default value of hive.mapred.mode to strict
> --------------------------------------------------
>
> Key: HIVE-839
> URL: https://issues.apache.org/jira/browse/HIVE-839
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Namit Jain
>
> Most of the production servers would run in strict mode; so it might be a
> good idea to have that as the default.
> It helps catching some bugs which might get unnoticed in nonstrict mode.
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