DATAJDBC-559 - Upgrading the MariaDB JDBC driver.

This changes the behavior of the JDBC driver from always returning `MySQL` for product name to a more involved logic which might result in it returning `MariaDB`. Original pull request: spring-projects#231.

Author: schauder

pom.xml

@@ -34,7 +34,7 @@
 <mybatis-spring.version>2.0.0</mybatis-spring.version>
 <mysql-connector-java.version>5.1.41</mysql-connector-java.version>
 <postgresql.version>42.0.0</postgresql.version>
-<mariadb-java-client.version>2.2.3</mariadb-java-client.version>
+<mariadb-java-client.version>2.6.0</mariadb-java-client.version>
 <jsr305.version>3.0.2</jsr305.version>
 </properties>
 

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/repository/config/DialectResolver.java

@@ -24,6 +24,8 @@
 
 import javax.sql.DataSource;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.springframework.core.io.support.SpringFactoriesLoader;
 import org.springframework.dao.NonTransientDataAccessException;
 import org.springframework.data.relational.core.dialect.Db2Dialect;
@@ -52,6 +54,8 @@
  */
 public class DialectResolver {
 
+private static final Log LOG = LogFactory.getLog(DialectResolver.class);
+
 private static final List<JdbcDialectProvider> DETECTORS = SpringFactoriesLoader
 .loadFactories(JdbcDialectProvider.class, DialectResolver.class.getClassLoader());
 
@@ -127,6 +131,8 @@ private static Dialect getDialect(Connection connection) throws SQLException {
 if (name.contains("db2")) {
 return Db2Dialect.INSTANCE;
 }
+
+LOG.info(String.format("Couldn't determine Dialect for \"%s\"", name) );
 return null;
 }
 

spring-data-jdbc/src/test/java/org/springframework/data/jdbc/testing/MariaDBDataSourceConfiguration.java

@@ -51,7 +51,7 @@ protected DataSource createDataSource() {
 
 if (MARIADB_CONTAINER == null) {
 
-MariaDBContainer<?> container = new MariaDBContainer<>()
+MariaDBContainer<?> container = new MariaDBContainer<>("mariadb:10.5")
 .withUsername("root")
 .withPassword("")
 .withConfigurationOverride("");

spring-data-jdbc/src/test/resources/logback.xml

@@ -8,7 +8,7 @@
 </appender>
 
 <logger name="org.springframework.test.context.TestContextManager" level="off" />
-<!--<logger name="org.springframework.data" level="info" />-->
+<logger name="org.springframework.data" level="info" />
 <!--<logger name="org.springframework.jdbc.core" level="trace" />-->
 <!--<logger name="org.springframework.data.jdbc.mybatis.DummyEntityMapper" level="trace" />-->