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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2021/10/27 23:46:15 UTC
[GitHub] [beam] TheNeuralBit opened a new pull request #15820: [BEAM-13099] Use RelMetadataQuery subclass rather than calling RelNode.metadata
TheNeuralBit opened a new pull request #15820:
URL: https://github.com/apache/beam/pull/15820
`RelNode.metadata` is marked deprecated in Calcite 1.28.0, further it seems to force us to go through the `CachingRelMetadataProvider`, which appears to have issues with cache invalidation in 1.27.0 and beyond. Per conversions with Calcite team in [CALCITE-4544](https://issues.apache.org/jira/browse/CALCITE-4544), we should be using this approach instead.
`ValidatesRunner` compliance status (on master branch)
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<th>Lang</th>
<th>ULR</th>
<th>Dataflow</th>
<th>Flink</th>
<th>Samza</th>
<th>Spark</th>
<th>Twister2</th>
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<td>Go</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/">
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<td>---</td>
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<td>Java</td>
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<td>Python</td>
<td>---</td>
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<td>XLang</td>
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</table>
Examples testing status on various runners
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<th>Lang</th>
<th>ULR</th>
<th>Dataflow</th>
<th>Flink</th>
<th>Samza</th>
<th>Spark</th>
<th>Twister2</th>
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</thead>
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<td>Go</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
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<td>Java</td>
<td>---</td>
<td>
<a href="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Cron/lastCompletedBuild/">
<img alt="Build Status" src="https://ci-beam.apache.org/job/beam_PreCommit_Java_Examples_Dataflow_Cron/lastCompletedBuild/badge/icon?subject=V1">
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<td>---</td>
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<td>---</td>
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<td>Python</td>
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<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
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<td>XLang</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
<td>---</td>
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</tbody>
</table>
Post-Commit SDK/Transform Integration Tests Status (on master branch)
------------------------------------------------------------------------------------------------
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<th>Go</th>
<th>Java</th>
<th>Python</th>
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<td>
<a href="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/">
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Pre-Commit Tests Status (on master branch)
------------------------------------------------------------------------------------------------
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<th>---</th>
<th>Java</th>
<th>Python</th>
<th>Go</th>
<th>Website</th>
<th>Whitespace</th>
<th>Typescript</th>
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<td>Non-portable</td>
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<td>Portable</td>
<td>---</td>
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</td>
<td>---</td>
<td>---</td>
<td>---</td>
</tr>
</tbody>
</table>
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[GitHub] [beam] TheNeuralBit commented on pull request #15820: [BEAM-13099] Use RelMetadataQuery subclass rather than calling RelNode.metadata
Posted by GitBox <gi...@apache.org>.
TheNeuralBit commented on pull request #15820:
URL: https://github.com/apache/beam/pull/15820#issuecomment-953390594
Note that this change attempts to replace our usages of `RelMetadataQuery` with `BeamRelMetadataQuery` everywhere, except for the places where we must use the base class to interface with Calcite. This results in a lot of boilerplate diff, which I tried to mostly contain in ecf8db2 for ease of review.
Alternatively, we could continue to use `RelMetadataQuery` everywhere, and only cast to `BeamRelMetadataQuery` when necessary. Please let me know if you prefer this approach.
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[GitHub] [beam] TheNeuralBit merged pull request #15820: [BEAM-13099] Use RelMetadataQuery subclass rather than calling RelNode.metadata
Posted by GitBox <gi...@apache.org>.
TheNeuralBit merged pull request #15820:
URL: https://github.com/apache/beam/pull/15820
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[GitHub] [beam] apilloud commented on a change in pull request #15820: [BEAM-13099] Use RelMetadataQuery subclass rather than calling RelNode.metadata
Posted by GitBox <gi...@apache.org>.
apilloud commented on a change in pull request #15820:
URL: https://github.com/apache/beam/pull/15820#discussion_r737953526
##########
File path: sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/planner/BeamRelMetadataQuery.java
##########
@@ -0,0 +1,46 @@
+/*
+ * 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.beam.sdk.extensions.sql.impl.planner;
+
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.RelNode;
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.metadata.JaninoRelMetadataProvider;
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.metadata.RelMetadataQuery;
+
+public class BeamRelMetadataQuery extends RelMetadataQuery {
+ private NodeStatsMetadata.Handler nodeStatsMetadataHandler;
+
+ private BeamRelMetadataQuery() {
+ super();
Review comment:
nit: this is implicitly added by the compiler and can be dropped. https://docs.oracle.com/javase/tutorial/java/IandI/super.html#:~:text=Note%3A%C2%A0If%20a,is%20no%20problem.
##########
File path: sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/planner/BeamRelMetadataQuery.java
##########
@@ -0,0 +1,46 @@
+/*
+ * 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.beam.sdk.extensions.sql.impl.planner;
+
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.RelNode;
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.metadata.JaninoRelMetadataProvider;
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.metadata.RelMetadataQuery;
+
+public class BeamRelMetadataQuery extends RelMetadataQuery {
+ private NodeStatsMetadata.Handler nodeStatsMetadataHandler;
+
+ private BeamRelMetadataQuery() {
+ super();
+ nodeStatsMetadataHandler = initialHandler(NodeStatsMetadata.Handler.class);
+ }
+
+ public static BeamRelMetadataQuery instance() {
+ return new BeamRelMetadataQuery();
+ }
+
+ public NodeStats getNodeStats(RelNode relNode) {
+ for (; ; ) {
Review comment:
It looks like this was copied from calcite, so we should keep it as is.
bikeshedding nit: There are 4 instances of this and 202 of `while (true)` in Beam. I don't like either.
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[GitHub] [beam] TheNeuralBit commented on pull request #15820: [BEAM-13099] Use RelMetadataQuery subclass rather than calling RelNode.metadata
Posted by GitBox <gi...@apache.org>.
TheNeuralBit commented on pull request #15820:
URL: https://github.com/apache/beam/pull/15820#issuecomment-953423007
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[GitHub] [beam] TheNeuralBit commented on a change in pull request #15820: [BEAM-13099] Use RelMetadataQuery subclass rather than calling RelNode.metadata
Posted by GitBox <gi...@apache.org>.
TheNeuralBit commented on a change in pull request #15820:
URL: https://github.com/apache/beam/pull/15820#discussion_r738608741
##########
File path: sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/planner/BeamRelMetadataQuery.java
##########
@@ -0,0 +1,46 @@
+/*
+ * 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.beam.sdk.extensions.sql.impl.planner;
+
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.RelNode;
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.metadata.JaninoRelMetadataProvider;
+import org.apache.beam.vendor.calcite.v1_26_0.org.apache.calcite.rel.metadata.RelMetadataQuery;
+
+public class BeamRelMetadataQuery extends RelMetadataQuery {
+ private NodeStatsMetadata.Handler nodeStatsMetadataHandler;
+
+ private BeamRelMetadataQuery() {
+ super();
+ nodeStatsMetadataHandler = initialHandler(NodeStatsMetadata.Handler.class);
+ }
+
+ public static BeamRelMetadataQuery instance() {
+ return new BeamRelMetadataQuery();
+ }
+
+ public NodeStats getNodeStats(RelNode relNode) {
+ for (; ; ) {
Review comment:
yeah not great.. I'll add a comment that this copied from calcite
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