diff -r 7e08730da258 -r 4a1864c3e867 java/sql-dk/src/main/java/info/globalcode/sql/dk/formatting/ColumnDescriptor.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/sql-dk/src/main/java/info/globalcode/sql/dk/formatting/ColumnDescriptor.java	Mon Mar 04 20:15:24 2019 +0100
@@ -0,0 +1,122 @@
+/**
+ * SQL-DK
+ * Copyright © 2013 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.sql.dk.formatting;
+
+import java.sql.Types;
+
+/**
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public class ColumnDescriptor {
+
+	private String name;
+	private String label;
+	private int type;
+	private String typeName;
+	private boolean firstColumn;
+	private boolean lastColumn;
+	private int columnNumber;
+
+	/**
+	 * @return column name
+	 * @see #getLabel()
+	 */
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	/**
+	 * @return label specified by the SQL AS clause
+	 */
+	public String getLabel() {
+		return label;
+	}
+
+	public void setLabel(String label) {
+		this.label = label;
+	}
+
+	public int getType() {
+		return type;
+	}
+
+	public void setType(int type) {
+		this.type = type;
+	}
+
+	public String getTypeName() {
+		return typeName;
+	}
+
+	public void setTypeName(String typeName) {
+		this.typeName = typeName;
+	}
+
+	public boolean isFirstColumn() {
+		return firstColumn;
+	}
+
+	public void setFirstColumn(boolean firstColumn) {
+		this.firstColumn = firstColumn;
+	}
+
+	public boolean isLastColumn() {
+		return lastColumn;
+	}
+
+	public void setLastColumn(boolean lastColumn) {
+		this.lastColumn = lastColumn;
+	}
+
+	/**
+	 * @return number of this column, 1 = first
+	 */
+	public int getColumnNumber() {
+		return columnNumber;
+	}
+
+	public void setColumnNumber(int columnNumber) {
+		this.columnNumber = columnNumber;
+	}
+
+	public boolean isBoolean() {
+		return type == Types.BOOLEAN;
+	}
+
+	public boolean isNumeric() {
+		switch (type) {
+			case Types.BIGINT:
+			case Types.DECIMAL:
+			case Types.DOUBLE:
+			case Types.FLOAT:
+			case Types.INTEGER:
+			case Types.NUMERIC:
+			case Types.REAL:
+			case Types.SMALLINT:
+			case Types.TINYINT:
+				return true;
+			default:
+				return false;
+		}
+	}
+}