--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fschmidt/db/DbNull.java	Sun Oct 05 17:24:15 2025 -0600
@@ -0,0 +1,63 @@
+/*
+Copyright (c) 2008  Franklin Schmidt <fschmidt@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package fschmidt.db;
+
+import java.util.Date;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.sql.Types;
+
+
+public final class DbNull implements DbStorable {
+	public final int sqlType;
+
+	public DbNull(int sqlType) {
+		this.sqlType = sqlType;
+	}
+
+	public void setField(PreparedStatement stmt,int idx) throws SQLException {
+		stmt.setNull(idx,sqlType);
+	}
+
+	public static final DbNull BOOLEAN = new DbNull(Types.BOOLEAN);
+	public static final DbNull STRING = new DbNull(Types.VARCHAR);
+	public static final DbNull TIMESTAMP = new DbNull(Types.TIMESTAMP);
+	public static final DbNull INTEGER = new DbNull(Types.INTEGER);
+	public static final DbNull FLOAT = new DbNull(Types.FLOAT);
+
+	public static Object fix(boolean b) {
+		return b ? Boolean.TRUE : BOOLEAN;
+	}
+	public static Object fix(Boolean b) {
+		return b!=null ? b : BOOLEAN;
+	}
+	public static Object fix(String s) {
+		return s!=null ? s : STRING;
+	}
+	public static Object fix(Date date) {
+		return date!=null ? date : TIMESTAMP;
+	}
+	public static Object fix(int i) {
+		return i!=0 ? Integer.valueOf(i) : INTEGER;
+	}
+}