diff -r 37fe883f8410 -r d8faf91519a5 java/sql-dk/src/info/globalcode/sql/dk/formatting/ColumnsHeader.java
--- a/java/sql-dk/src/info/globalcode/sql/dk/formatting/ColumnsHeader.java	Fri Dec 20 22:01:06 2013 +0100
+++ b/java/sql-dk/src/info/globalcode/sql/dk/formatting/ColumnsHeader.java	Fri Dec 20 22:19:10 2013 +0100
@@ -17,19 +17,49 @@
  */
 package info.globalcode.sql.dk.formatting;
 
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  *
  * @author Ing. František Kučera (frantovo.cz)
  */
 public class ColumnsHeader {
 
+	ResultSetMetaData metaData;
+
+	public ColumnsHeader(ResultSetMetaData metaData) {
+		this.metaData = metaData;
+	}
+
 	public int getColumnCount() {
-		/**
-		 * TODO: getColumnCount
-		 */
-		throw new RuntimeException("Not yet implemented");
+		try {
+			return metaData.getColumnCount();
+		} catch (SQLException e) {
+			throw new IllegalStateException("Error during getting column count.", e);
+		}
 	}
-	/**
-	 * TODO: columns descriptor
-	 */
+
+	public List<ColumnDescriptor> getColumnDescriptors() {
+		try {
+			int count = metaData.getColumnCount();
+			List<ColumnDescriptor> list = new ArrayList<>(count);
+
+			for (int i = 1; i <= count; i++) {
+				ColumnDescriptor cd = new ColumnDescriptor();
+				cd.setLabel(metaData.getColumnLabel(i));
+				cd.setName(metaData.getColumnName(i));
+				cd.setType(metaData.getColumnType(i));
+				cd.setTypeName(metaData.getColumnTypeName(i));
+				/** TODO: more properties */
+				list.add(cd);
+			}
+
+			return list;
+		} catch (SQLException e) {
+			throw new IllegalStateException("Error during building column descriptors.", e);
+		}
+	}
 }