diff -r a3ec71fa8e17 -r 7e08730da258 java/jdbc-loopback-driver/src/info/globalcode/jdbc/loopback/PreparedStatement.java
--- a/java/jdbc-loopback-driver/src/info/globalcode/jdbc/loopback/PreparedStatement.java	Tue Feb 26 18:19:49 2019 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-/**
- * SQL-DK
- * Copyright © 2014 František Kučera (frantovo.cz)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package info.globalcode.jdbc.loopback;
-
-import java.sql.SQLException;
-import java.sql.SQLWarning;
-import java.sql.Types;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-/**
- *
- * @author Ing. František Kučera (frantovo.cz)
- */
-public class PreparedStatement extends AbstractPreparedStatement {
-
-	private final Map<Integer, ObjectParameter> parameters = new HashMap<>();
-	private List<Object[]> table;
-	private final ResultSetMetaData metadata = new ResultSetMetaData();
-
-	@Override
-	public void setObject(int parameterNumber, Object data, int targetSqlType) throws SQLException {
-		parameters.put(parameterNumber, new ObjectParameter(data, targetSqlType));
-	}
-
-	@Override
-	public boolean execute() throws SQLException {
-
-		if (parameters.size() < 1) {
-			throw new SQLException("Missing first parameter (column count)");
-		} else {
-			int columnCount = Integer.valueOf(String.valueOf(parameters.get(1).getData()));
-
-			for (int i = 0; i < columnCount; i++) {
-				String label = parameters.get(1 + i + 1).getData().toString();
-				metadata.addColumn(new ResultSetMetaData.ColumnDescriptor(Types.VARCHAR, "VARCHAR", label, label));
-			}
-
-			int cellIndex = 0;
-
-			table = new ArrayList<>();
-			Object[] currentRow = null;
-
-			for (int parameterNumber = (1 + columnCount + 1); true; parameterNumber++) {
-				ObjectParameter data = parameters.get(parameterNumber);
-				if (data == null) {
-					break;
-				} else {
-					int columnIndex = cellIndex % columnCount;
-					cellIndex++;
-					if (columnIndex == 0) {
-						currentRow = new Object[columnCount];
-						table.add(currentRow);
-					}
-					currentRow[columnIndex] = data.getData();
-				}
-			}
-
-			return true;
-		}
-	}
-
-	@Override
-	public java.sql.ResultSet getResultSet() throws SQLException {
-		return new ResultSet(metadata, table);
-	}
-
-	@Override
-	public int getUpdateCount() throws SQLException {
-		return -1;
-	}
-
-	@Override
-	public boolean getMoreResults() throws SQLException {
-		return false;
-	}
-
-	@Override
-	public void close() throws SQLException {
-	}
-
-	@Override
-	public SQLWarning getWarnings() throws SQLException {
-		return null;
-	}
-
-	@Override
-	public void clearWarnings() throws SQLException {
-	}
-}