lhofhansl commented on a change in pull request #1256:
URL: https://github.com/apache/phoenix/pull/1256#discussion_r659498881
##########
File path: phoenix-core/src/main/java/org/apache/phoenix/util/IndexUtil.java
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@@ -574,20 +575,35 @@ public static void wrapResultUsingOffset(final
RegionCoprocessorEnvironment envi
}
}
Result joinResult = null;
- if (dataRegion != null) {
- joinResult = dataRegion.get(get);
- } else {
- TableName dataTable =
-
TableName.valueOf(MetaDataUtil.getLocalIndexUserTableName(environment.getRegion().
-
getTableDescriptor().getTableName().getNameAsString()));
+ if (ScanUtil.isLocalIndex(scan)) {
+ if (dataRegion != null) {
+ joinResult = dataRegion.get(get);
+ } else {
+ TableName dataTable =
+
TableName.valueOf(MetaDataUtil.getLocalIndexUserTableName(environment.getRegion().
+
getTableDescriptor().getTableName().getNameAsString()));
+ Table table = null;
+ try {
+ table =
environment.getConnection().getTable(dataTable);
+ joinResult = table.get(get);
+ } finally {
+ if (table != null) table.close();
+ }
+ }
+ } else if (ScanUtil.isGlobalIndex(scan)) {
+ byte[] dataTableName =
scan.getAttribute(PHYSICAL_DATA_TABLE_NAME);
Table table = null;
try {
- table = environment.getConnection().getTable(dataTable);
+ table = ServerUtil.ConnectionFactory.
+
getConnection(ServerUtil.ConnectionType.INDEX_WRITER_CONNECTION, environment).
+ getTable(TableName.valueOf(dataTableName));
joinResult = table.get(get);
Review comment:
This is doing a remote get for each row that matches the index. The
index would have to be very selective for this to be an improvement.
I was hoping we'd come up with some smart batching. But that's tricky to do
here. :)
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