Added an example to the Query#query() function.

Author: franz-see

doc/DatabaseLibrary.html

@@ -148,13 +148,13 @@ <h2>Keywords</h2>
   <td class="arg">selectStatement</td>
   <td class="doc">Uses the input <span class="name">selectStatement</span> to query for the values that will be returned as a list of tuples.<br />
 <br />
-Tip: try specifying the column names in your select statements much as possible to prevent any unnecessary surprises with schema changes and to easily see what your [] indexing is trying to retrieve.</td>
+Tip: try specifying the column names in your select statements as much as possible to prevent any unnecessary surprises with schema changes and to easily see what your [] indexing is trying to retrieve (i.e. instead of <span class="name">"select * from my_table"</span>, try <span class="name">"select id, col_1, col_2 from my_table"</span>).</td>
 </tr>
 </table>
 <p id="footer">
 Altogether 4 keywords.<br />
 Generated by <a href="http://code.google.com/p/robotframework/wiki/LibraryDocumentationTool">libdoc.py</a>
-on 2010-11-28 12:05:37.
+on 2010-11-28 12:08:28.
 </p>
 </body>
 </html>

src/DatabaseLibrary/query.py

@@ -22,8 +22,10 @@ def query(self, selectStatement):
         will be returned as a list of tuples.
         
         Tip: try specifying the column names in your select statements 
-        much as possible to prevent any unnecessary surprises with schema
-        changes and to easily see what your [] indexing is trying to retrieve.
+        as much as possible to prevent any unnecessary surprises with schema
+        changes and to easily see what your [] indexing is trying to retrieve 
+        (i.e. instead of `"select * from my_table"`, try 
+        `"select id, col_1, col_2 from my_table"`).
         """
         cur = self._dbconnection.cursor()
         cur.execute (selectStatement);