forked from apache/pinot
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Optimize group-by and join for single key scenario (apache#11630)
- Loading branch information
1 parent
47eff88
commit f6cb672
Showing
23 changed files
with
439 additions
and
314 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
37 changes: 37 additions & 0 deletions
37
...y-planner/src/main/java/org/apache/pinot/query/planner/partitioning/EmptyKeySelector.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pinot.query.planner.partitioning; | ||
|
|
||
| public class EmptyKeySelector implements KeySelector<Integer> { | ||
| private EmptyKeySelector() { | ||
| } | ||
|
|
||
| public static final EmptyKeySelector INSTANCE = new EmptyKeySelector(); | ||
| private static final Integer PLACE_HOLDER = 0; | ||
|
|
||
| @Override | ||
| public Integer getKey(Object[] row) { | ||
| return PLACE_HOLDER; | ||
| } | ||
|
|
||
| @Override | ||
| public int computeHash(Object[] input) { | ||
| return 0; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
42 changes: 42 additions & 0 deletions
42
...planner/src/main/java/org/apache/pinot/query/planner/partitioning/KeySelectorFactory.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pinot.query.planner.partitioning; | ||
|
|
||
| import java.util.List; | ||
|
|
||
|
|
||
| public class KeySelectorFactory { | ||
| private KeySelectorFactory() { | ||
| } | ||
|
|
||
| public static KeySelector<?> getKeySelector(List<Integer> keyIds) { | ||
| int numKeys = keyIds.size(); | ||
| if (numKeys == 0) { | ||
| return EmptyKeySelector.INSTANCE; | ||
| } else if (numKeys == 1) { | ||
| return new SingleColumnKeySelector(keyIds.get(0)); | ||
| } else { | ||
| int[] ids = new int[numKeys]; | ||
| for (int i = 0; i < numKeys; i++) { | ||
| ids[i] = keyIds.get(i); | ||
| } | ||
| return new MultiColumnKeySelector(ids); | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.