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https://issues.apache.org/jira/browse/BEAM-10093?focusedWorklogId=441567&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-441567
]
ASF GitHub Bot logged work on BEAM-10093:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Jun/20 22:48
Start Date: 04/Jun/20 22:48
Worklog Time Spent: 10m
Work Description: kennknowles commented on a change in pull request
#11820:
URL: https://github.com/apache/beam/pull/11820#discussion_r435594096
##########
File path:
sdks/java/testing/nexmark/src/main/java/org/apache/beam/sdk/nexmark/queries/zetasql/ZetaSqlQuery0.java
##########
@@ -0,0 +1,92 @@
+/*
+ * 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.nexmark.queries.zetasql;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import org.apache.beam.sdk.coders.Coder;
+import org.apache.beam.sdk.extensions.sql.SqlTransform;
+import org.apache.beam.sdk.extensions.sql.zetasql.ZetaSQLQueryPlanner;
+import org.apache.beam.sdk.metrics.Counter;
+import org.apache.beam.sdk.metrics.Metrics;
+import org.apache.beam.sdk.nexmark.model.Bid;
+import org.apache.beam.sdk.nexmark.model.Event;
+import org.apache.beam.sdk.nexmark.model.Event.Type;
+import org.apache.beam.sdk.nexmark.model.sql.SelectEvent;
+import org.apache.beam.sdk.nexmark.queries.NexmarkQueryTransform;
+import org.apache.beam.sdk.nexmark.queries.NexmarkQueryUtil;
+import org.apache.beam.sdk.schemas.transforms.Convert;
+import org.apache.beam.sdk.transforms.DoFn;
+import org.apache.beam.sdk.transforms.Filter;
+import org.apache.beam.sdk.transforms.PTransform;
+import org.apache.beam.sdk.transforms.ParDo;
+import org.apache.beam.sdk.values.PCollection;
+import org.apache.beam.sdk.values.Row;
+
+/**
+ * Query 0: Pass events through unchanged.
+ *
+ * <p>This measures the overhead of the Beam ZetaSql implementation and test
harness like conversion
+ * from Java model classes to Beam records.
+ *
+ * <p>{@link Bid} events are used here at the moment, ås they are most
numerous with default
+ * configuration.
+ */
+public class ZetaSqlQuery0 extends NexmarkQueryTransform<Bid> {
+
+ public ZetaSqlQuery0() {
+ super("ZetaSqlQuery0");
+ }
+
+ @Override
+ public PCollection<Bid> expand(PCollection<Event> allEvents) {
+ PCollection<Row> rows =
+ allEvents
+ .apply(Filter.by(NexmarkQueryUtil.IS_BID))
+ .apply(getName() + ".SelectEvent", new SelectEvent(Type.BID));
+
+ return rows.apply(getName() + ".Serialize",
logBytesMetric(rows.getCoder()))
+ .setRowSchema(rows.getSchema())
+ .apply(
+ SqlTransform.query("SELECT * FROM PCOLLECTION")
+ .withQueryPlannerClass(ZetaSQLQueryPlanner.class))
Review comment:
Yea fair enough. When I started, I did not know how much things would
differ. It was suggested that the dialects would not really be compatible, but
actually they are. I stopped short of a real refactor but I'll go ahead with
something now that it is working.
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Issue Time Tracking
-------------------
Worklog Id: (was: 441567)
Time Spent: 1h 20m (was: 1h 10m)
> Add ZetaSQL Nexmark variant
> ---------------------------
>
> Key: BEAM-10093
> URL: https://issues.apache.org/jira/browse/BEAM-10093
> Project: Beam
> Issue Type: New Feature
> Components: testing-nexmark
> Reporter: Kenneth Knowles
> Assignee: Kenneth Knowles
> Priority: P2
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Most queries will be identical, but best to simply stay decoupled, so this is
> a copy/paste/modify job.
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