[
https://issues.apache.org/jira/browse/BEAM-7896?focusedWorklogId=291548&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-291548
]
ASF GitHub Bot logged work on BEAM-7896:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Aug/19 20:04
Start Date: 08/Aug/19 20:04
Worklog Time Spent: 10m
Work Description: akedin commented on pull request #9298: [BEAM-7896]
Implementing RateEstimation for KafkaTable
URL: https://github.com/apache/beam/pull/9298#discussion_r312217848
##########
File path:
sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/meta/provider/kafka/KafkaCSVTableIT.java
##########
@@ -0,0 +1,296 @@
+/*
+ * 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.meta.provider.kafka;
+
+import static org.apache.beam.sdk.schemas.Schema.FieldType.INT32;
+import static org.apache.beam.sdk.schemas.Schema.toSchema;
+
+import com.alibaba.fastjson.JSON;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
+import javax.annotation.Nullable;
+import org.apache.beam.runners.direct.DirectOptions;
+import org.apache.beam.sdk.extensions.sql.impl.BeamSqlEnv;
+import org.apache.beam.sdk.extensions.sql.impl.rel.BeamSqlRelUtils;
+import org.apache.beam.sdk.extensions.sql.meta.Table;
+import org.apache.beam.sdk.extensions.sql.meta.provider.TableProvider;
+import org.apache.beam.sdk.options.Default;
+import org.apache.beam.sdk.options.Description;
+import org.apache.beam.sdk.options.PipelineOptions;
+import org.apache.beam.sdk.options.PipelineOptionsFactory;
+import org.apache.beam.sdk.options.Validation;
+import org.apache.beam.sdk.schemas.Schema;
+import org.apache.beam.sdk.state.BagState;
+import org.apache.beam.sdk.state.StateSpec;
+import org.apache.beam.sdk.state.StateSpecs;
+import org.apache.beam.sdk.state.ValueState;
+import org.apache.beam.sdk.testing.TestPipeline;
+import org.apache.beam.sdk.transforms.DoFn;
+import org.apache.beam.sdk.transforms.MapElements;
+import org.apache.beam.sdk.transforms.ParDo;
+import org.apache.beam.sdk.transforms.SimpleFunction;
+import org.apache.beam.sdk.values.KV;
+import org.apache.beam.sdk.values.PCollection;
+import org.apache.beam.sdk.values.Row;
+import org.apache.beam.vendor.grpc.v1p21p0.com.google.common.base.MoreObjects;
+import
org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableSet;
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.clients.producer.Producer;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+
+/**
+ * This is an integration test for KafkaCSVTable. There should be a kafka
server running and the
+ * address should be passed to it.
Review comment:
Create a jira and mention it here
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Issue Time Tracking
-------------------
Worklog Id: (was: 291548)
Time Spent: 1h (was: 50m)
> Rate estimation for Kafka Table
> -------------------------------
>
> Key: BEAM-7896
> URL: https://issues.apache.org/jira/browse/BEAM-7896
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Alireza Samadianzakaria
> Assignee: Alireza Samadianzakaria
> Priority: Major
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Currently, KafkaTable returns UNKNOWN statistics for its rate.
> We can use previously arrived tuples to estimate the rate and return correct
> statistics (See
> [https://docs.google.com/document/d/1vi1PBBu5IqSy-qZl1Gk-49CcANOpbNs1UAud6LnOaiY|https://docs.google.com/document/d/1vi1PBBu5IqSy-qZl1Gk-49CcANOpbNs1UAud6LnOaiY/])
>
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