Merge pull request #11466 from Lukas Eder

* gh-11466:
  Detect jOOQ SQLDialect through jOOQ's JDBCUtils

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jooq/SqlDialectLookup.java

@@ -16,17 +16,13 @@
 
 package org.springframework.boot.autoconfigure.jooq;
 
-import java.util.Collections;
-import java.util.EnumMap;
-import java.util.Map;
-
 import javax.sql.DataSource;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.jooq.SQLDialect;
+import org.jooq.tools.jdbc.JDBCUtils;
 
-import org.springframework.boot.jdbc.DatabaseDriver;
 import org.springframework.jdbc.support.JdbcUtils;
 import org.springframework.jdbc.support.MetaDataAccessException;
 
@@ -34,25 +30,12 @@ import org.springframework.jdbc.support.MetaDataAccessException;
  * Utility to lookup well known {@link SQLDialect SQLDialects} from a {@link DataSource}.
  *
  * @author Michael Simons
+ * @author Lukas Eder
  */
 final class SqlDialectLookup {
 
 	private static final Log logger = LogFactory.getLog(SqlDialectLookup.class);
 
-	private static final Map<DatabaseDriver, SQLDialect> LOOKUP;
-
-	static {
-		Map<DatabaseDriver, SQLDialect> map = new EnumMap<>(DatabaseDriver.class);
-		map.put(DatabaseDriver.DERBY, SQLDialect.DERBY);
-		map.put(DatabaseDriver.H2, SQLDialect.H2);
-		map.put(DatabaseDriver.HSQLDB, SQLDialect.HSQLDB);
-		map.put(DatabaseDriver.MARIADB, SQLDialect.MARIADB);
-		map.put(DatabaseDriver.MYSQL, SQLDialect.MYSQL);
-		map.put(DatabaseDriver.POSTGRESQL, SQLDialect.POSTGRES);
-		map.put(DatabaseDriver.SQLITE, SQLDialect.SQLITE);
-		LOOKUP = Collections.unmodifiableMap(map);
-	}
-
 	private SqlDialectLookup() {
 	}
 
@@ -67,8 +50,7 @@ final class SqlDialectLookup {
 		}
 		try {
 			String url = JdbcUtils.extractDatabaseMetaData(dataSource, "getURL");
-			DatabaseDriver driver = DatabaseDriver.fromJdbcUrl(url);
-			SQLDialect sqlDialect = LOOKUP.get(driver);
+			SQLDialect sqlDialect = JDBCUtils.dialect(url);
 			if (sqlDialect != null) {
 				return sqlDialect;
 			}