[
https://issues.apache.org/jira/browse/DRILL-4369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15589517#comment-15589517
]
ASF GitHub Bot commented on DRILL-4369:
---------------------------------------
Github user julienledem commented on a diff in the pull request:
https://github.com/apache/drill/pull/622#discussion_r84139272
--- Diff: exec/java-exec/src/main/codegen/templates/DrillVersionInfo.java
---
@@ -0,0 +1,97 @@
+/*******************************************************************************
+ * 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.
+
******************************************************************************/
+
+<@pp.dropOutputFile />
+
+<@pp.changeOutputFile
name="/org/apache/drill/common/util/DrillVersionInfo.java" />
+
+<#include "/@includes/license.ftl" />
+
+package org.apache.drill.common.util;
+
+import java.text.MessageFormat;
+import java.text.ParseException;
+
+/**
+ * This file is generated with Freemarker using the template
src/main/codegen/templates/DrillVersionInfo.java
+ */
+public class DrillVersionInfo {
+ private static final String VERSION = "${maven.version}";
+
+ private static final int MAJOR_VERSION;
+ private static final int MINOR_VERSION;
+ private static final int PATCH_VERSION;
+
+ static {
+ final int[] parseResults;
+ try {
+ parseResults = parseVersion(VERSION);
+ if (parseResults == null || parseResults.length < 3) {
+ throw new AssertionError("An error occured when parsing Drill
Version");
+ }
+ } catch(ParseException e) {
+ throw new AssertionError("An error occured when parsing Drill
Version", e);
+ }
+ MAJOR_VERSION = parseResults[0];
+ MINOR_VERSION = parseResults[1];
+ PATCH_VERSION = parseResults[2];
+ }
+
+ static int[] parseVersion(String version) throws ParseException {
+ final MessageFormat versionFormat = new
MessageFormat("{0,number,integer}.{1,number,integer}.{2,number,integer}");
+
+ Object[] parseResult = versionFormat.parse(version);
+ int[] result = new int[parseResult.length];
+ for(int i = 0; i<parseResult.length; i++) {
+ result[i] = ((Number) parseResult[i]).intValue();
+ }
+
+ return result;
+ }
+ /**
+ * Get the Drill version from pom
+ * @return the version number as x.y.z
+ */
+ public static String getVersion() {
+ return VERSION;
+ }
+
+ /**
+ * Get the Drill major version from pom
+ * @return x if assuming the version number is x.y.z
+ */
+ public static int getMajorVersion() {
+ return MAJOR_VERSION;
+ }
+
+ /**
+ * Get the Drill minor version from pom
+ * @return y if assuming the version number is x.y.z
+ */
+ public static int getMinorVersion() {
+ return MINOR_VERSION;
+ }
+
+ /**
+ * Get the Drill patch version from pom
+ * @return z if assuming the version number is x.y.z
--- End diff --
return z if assuming the version number is x.y.z{suffix}
> Database driver fails to report any major or minor version information
> ----------------------------------------------------------------------
>
> Key: DRILL-4369
> URL: https://issues.apache.org/jira/browse/DRILL-4369
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC
> Affects Versions: 1.4.0
> Reporter: N Campbell
>
> Using Apache 1.4 Drill
> The DatabaseMetadata.getters to obtain the Major and Minor versions of the
> server or JDBC driver return 0 instead of 1.4.
> This prevents an application from dynamically adjusting how it interacts
> based on which version of Drill a connection is accessing.
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