forked from prestodb/presto
-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Iceberg] Add histogram statistic support
Utilizes the sketch_kll function to generate histograms and store them into the Iceberg table's puffin files for table-level statistic storage. Histograms are always collected by ANALYZE, but they are not used by the cost calculator unless enabled via optimizer.use-histograms
- Loading branch information
Showing
39 changed files
with
1,441 additions
and
329 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
148 changes: 148 additions & 0 deletions
148
presto-common/src/test/java/com/facebook/presto/common/TestUtils.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 +1,148 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.common; | ||
|
|
||
| import org.testng.annotations.Test; | ||
|
|
||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
| import java.util.function.Function; | ||
| import java.util.function.Supplier; | ||
|
|
||
| import static org.testng.Assert.assertEquals; | ||
| import static org.testng.Assert.assertSame; | ||
| import static org.testng.Assert.fail; | ||
|
|
||
| public class TestUtils | ||
| { | ||
| @Test | ||
| public void testCheckArgumentFailWithMessage() | ||
| { | ||
| try { | ||
| Utils.checkArgument(false, "test %s", "test"); | ||
| fail(); | ||
| } | ||
| catch (IllegalArgumentException e) { | ||
| assertEquals(e.getMessage(), "test test"); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testCheckArgumentPassWithMessage() | ||
| { | ||
| try { | ||
| Utils.checkArgument(true, "test %s", "test"); | ||
| } | ||
| catch (IllegalArgumentException e) { | ||
| fail(); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testMemoizedSupplierThreadSafe() | ||
| throws Throwable | ||
| { | ||
| Function<Supplier<Boolean>, Supplier<Boolean>> memoizer = | ||
| supplier -> Utils.memoizedSupplier(supplier); | ||
| testSupplierThreadSafe(memoizer); | ||
| } | ||
|
|
||
| /** | ||
| * Vendored from Guava | ||
| */ | ||
| private void testSupplierThreadSafe(Function<Supplier<Boolean>, Supplier<Boolean>> memoizer) | ||
| throws Throwable | ||
| { | ||
| final AtomicInteger count = new AtomicInteger(0); | ||
| final AtomicReference<Throwable> thrown = new AtomicReference<>(null); | ||
| final int numThreads = 3; | ||
| final Thread[] threads = new Thread[numThreads]; | ||
| final long timeout = TimeUnit.SECONDS.toNanos(60); | ||
|
|
||
| final Supplier<Boolean> supplier = | ||
| new Supplier<Boolean>() | ||
| { | ||
| boolean isWaiting(Thread thread) | ||
| { | ||
| switch (thread.getState()) { | ||
| case BLOCKED: | ||
| case WAITING: | ||
| case TIMED_WAITING: | ||
| return true; | ||
| default: | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| int waitingThreads() | ||
| { | ||
| int waitingThreads = 0; | ||
| for (Thread thread : threads) { | ||
| if (isWaiting(thread)) { | ||
| waitingThreads++; | ||
| } | ||
| } | ||
| return waitingThreads; | ||
| } | ||
|
|
||
| @Override | ||
| @SuppressWarnings("ThreadPriorityCheck") // doing our best to test for races | ||
| public Boolean get() | ||
| { | ||
| // Check that this method is called exactly once, by the first | ||
| // thread to synchronize. | ||
| long t0 = System.nanoTime(); | ||
| while (waitingThreads() != numThreads - 1) { | ||
| if (System.nanoTime() - t0 > timeout) { | ||
| thrown.set( | ||
| new TimeoutException( | ||
| "timed out waiting for other threads to block" | ||
| + " synchronizing on supplier")); | ||
| break; | ||
| } | ||
| Thread.yield(); | ||
| } | ||
| count.getAndIncrement(); | ||
| return Boolean.TRUE; | ||
| } | ||
| }; | ||
|
|
||
| final Supplier<Boolean> memoizedSupplier = memoizer.apply(supplier); | ||
|
|
||
| for (int i = 0; i < numThreads; i++) { | ||
| threads[i] = | ||
| new Thread() | ||
| { | ||
| @Override | ||
| public void run() | ||
| { | ||
| assertSame(Boolean.TRUE, memoizedSupplier.get()); | ||
| } | ||
| }; | ||
| } | ||
| for (Thread t : threads) { | ||
| t.start(); | ||
| } | ||
| for (Thread t : threads) { | ||
| t.join(); | ||
| } | ||
|
|
||
| if (thrown.get() != null) { | ||
| throw thrown.get(); | ||
| } | ||
| assertEquals(1, count.get()); | ||
| } | ||
| } |
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
Oops, something went wrong.