kgyrtkirk commented on a change in pull request #2891:
URL: https://github.com/apache/hive/pull/2891#discussion_r773030708
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/exec/CommonMergeJoinOperator.java
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@@ -240,6 +249,17 @@ public void process(Object row, int tag) throws
HiveException {
byte alias = (byte) tag;
List<Object> value = getFilteredValue(alias, row);
+
+ if (shortcutExtensionRows && isOuterJoinExtensionRow(tag, value)) {
+ int type = condn[0].getType();
+ if (tag == 0 && (type == JoinDesc.LEFT_OUTER_JOIN || type ==
JoinDesc.FULL_OUTER_JOIN)) {
+ emitExtensionRow(tag, value);
Review comment:
it have stopped for me for other outer joins ; however I had to disable
auto.join.converion to have that - without that the join was converted into a
mapjoin
I will make some further tests for different types of joins to see if we
don't have any issues
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