diff --git a/src/main/java/it/unibz/inf/isoga/db/DbUtility.java b/src/main/java/it/unibz/inf/isoga/db/DbUtility.java
index 166aae8ceb1f42c6f37b6df41115bb087a3a9687..517b252332187fe684317f176b572504db8e5331 100644
--- a/src/main/java/it/unibz/inf/isoga/db/DbUtility.java
+++ b/src/main/java/it/unibz/inf/isoga/db/DbUtility.java
@@ -85,8 +85,7 @@ public final class DbUtility {
 	}
 
 	public static void createSpatialIndex(final Connection connection, final TableEntry tableEntry) {
-		executeStatement(connection, "CREATE INDEX " + tableEntry.getIndexName() + " ON " + tableEntry.getTableName()
-				+ " USING GIST(\"GEOMETRY\")");
+		executeStatement(connection, "CREATE INDEX " + tableEntry.getIndexName() + " ON " + tableEntry.getTableName() + " USING GIST(\"GEOMETRY\")");
 	}
 
 	public static boolean dropTablesByRegexp(final Connection connection, final String regex) {
@@ -130,24 +129,20 @@ public final class DbUtility {
 	}
 
 	public static void createVertexAnnotationTable(final Connection connection, final String tableName) {
-		executeStatement(connection, "CREATE TABLE " + tableName
-				+ " (\"ID\" integer NOT NULL, \"ROUTE_ID\" smallint,\"TIME_A\" integer,\"TIME_D\" integer)");
+		executeStatement(connection, "CREATE TABLE " + tableName + " (\"ID\" integer NOT NULL, \"ROUTE_ID\" smallint,\"TIME_A\" integer,\"TIME_D\" integer)");
 	}
 
 	public static void createTargetVertexTable(final Connection connection, final String tableName) {
-		executeStatement(connection, "CREATE TABLE " + tableName
-				+ " (\"ID\" integer NOT NULL, \"DISTANCE\" double precision, \"ROUTE_ID\" smallint, \"STATE\" VARCHAR(7), \"T_TYPE\" smallint)");
+		executeStatement(connection, "CREATE TABLE " + tableName + " (\"ID\" integer NOT NULL, \"DISTANCE\" double precision, \"ROUTE_ID\" smallint, \"STATE\" VARCHAR(7), \"T_TYPE\" smallint)");
 	}
 
 	public static void createTargetBufferTable(final Connection connection, final String tableName) {
-		executeStatement(connection, "CREATE TABLE " + tableName
-				+ " (\"ID\" integer NOT NULL, CONSTRAINT pkey_" + tableName
-				+ " PRIMARY KEY (\"ID\"))");
+		executeStatement(connection, "CREATE TABLE " + tableName + " (\"ID\" integer NOT NULL, CONSTRAINT pkey_" + tableName + " PRIMARY KEY (\"ID\"))");
 	}
 
 	public static ResponsePoiFeature getPoiFeatures(final String sqlExpr, final ConfigDataset config) {
 		final ResponsePoiFeature result = new ResponsePoiFeature();
-		if (sqlExpr.equals("noResult")) {
+		if ("noResult".equals(sqlExpr)) {
 			result.setType("invalid");
 			return result;
 		}
@@ -180,7 +175,6 @@ public final class DbUtility {
 	}
 
 	public static ResponseWps spatialIntersection2JSON(final String sqlExpr, final SqlQuery query, final ConfigDataset config) {
-		final boolean isSum = query.getQueryType().equals(QueryType.SUM);
 		final ResponseWps result = new ResponseWps(query.getQueryType().toString().toLowerCase());
 		if (sqlExpr.equals("noResult")) {
 			result.setType("invalid");
@@ -205,6 +199,7 @@ public final class DbUtility {
 				}
 			}
 
+			final boolean isSum = query.getQueryType().equals(QueryType.SUM);
 			double sum = isSum ? 0 : -1;
 			while (rSet.next()) {
 				final WpsFeature feature = new WpsFeature();