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https://issues.apache.org/jira/browse/GOBBLIN-1459?focusedWorklogId=611453&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-611453
]
ASF GitHub Bot logged work on GOBBLIN-1459:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 15/Jun/21 16:45
Start Date: 15/Jun/21 16:45
Worklog Time Spent: 10m
Work Description: aplex commented on a change in pull request #3298:
URL: https://github.com/apache/gobblin/pull/3298#discussion_r651940989
##########
File path: gobblin-metastore/src/main/java/org/apache/gobblin/MysqlDagStore.java
##########
@@ -0,0 +1,62 @@
+/*
+ * 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.gobblin;
+
+import java.io.IOException;
+
+import javax.sql.DataSource;
+import lombok.extern.slf4j.Slf4j;
+
+import org.apache.gobblin.configuration.State;
+import org.apache.gobblin.metastore.MysqlStateStore;
+import org.apache.gobblin.service.ServiceConfigKeys;
+
+
+@Slf4j
+/**
+ * An implementation of {@link MysqlStateStore} backed by MySQL to store Dag.
+ *
+ * @param <T> state object type
+ **/
+public class MysqlDagStore<T extends State> extends MysqlStateStore<T> {
+ /**
+ * Manages the persistence and retrieval of {@link State} in a MySQL database
+ * @param dataSource the {@link DataSource} object for connecting to MySQL
+ * @param stateStoreTableName the table for storing the state in rows keyed
by two levels (store_name, table_name)
+ * @param compressedValues should values be compressed for storage?
+ * @param stateClass class of the {@link State}s stored in this state store
+ * @throws IOException in case of failures
+ */
+ public MysqlDagStore(DataSource dataSource, String stateStoreTableName,
boolean compressedValues,
+ Class<T> stateClass)
+ throws IOException {
+ super(dataSource, stateStoreTableName, compressedValues, stateClass);
+ }
+
+ @Override
+ protected String getCreateJobStateTableTemplate() {
+ int maxStoreName = ServiceConfigKeys.MAX_FLOW_NAME +
ServiceConfigKeys.STATE_STORE_KEY_SEPARATION_CHARACTER.length()
+ + ServiceConfigKeys.MAX_FLOW_GROUP;
+ int maxTableName = 13; // length of flowExecutionId which is epoch
timestamp
+
+ return "CREATE TABLE IF NOT EXISTS $TABLE$ (store_name varchar(" +
maxStoreName + ") CHARACTER SET latin1 COLLATE latin1_bin not null,"
Review comment:
ok, what would be the the actual value they need to set? Looks like its
is computed
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Issue Time Tracking
-------------------
Worklog Id: (was: 611453)
Time Spent: 2h 20m (was: 2h 10m)
> correct column length in MysqlSpecStore, MysqlDagStore, MysqlJobStatusStore
> ---------------------------------------------------------------------------
>
> Key: GOBBLIN-1459
> URL: https://issues.apache.org/jira/browse/GOBBLIN-1459
> Project: Apache Gobblin
> Issue Type: Bug
> Reporter: Arjun Singh Bora
> Priority: Major
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> some column length in MysqlSpecStore, MysqlDagStore, MysqlJobStatusStore are
> incorrect. limit on these column lengths is decided by the limit on flow
> group and flow name limits
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