Documentation.

h2/src/docsrc/html/changelog.html

@@ -18,7 +18,9 @@ Change Log
 <h1>Change Log</h1>
 
 <h2>Next Version (unreleased)</h2>
-<ul><li>A checkpoint is now done every MAX_LOG_SIZE / 2 instead of every
+<ul><li>The function "regexp_replace" threw the wrong kind of exception if the
+    replacement string was invalid.
+</li><li>A checkpoint is now done every MAX_LOG_SIZE / 2 instead of every
     MAX_LOG_SIZE, so that the transaction log doesn't grow as large.
 </li><li>MVStore table engine: new setting "retention_time" to configure the 
     time to retain old data. The default is 45 seconds.

h2/src/docsrc/html/performance.html

@@ -729,6 +729,7 @@ The data is stored in the database as follows:
 </table>
 <p>
 Access by row id is fast because the data is sorted by this key.
+Please note the row id is not available until after the row was added (that means, it can not be used in computed columns or constraints).
 If the query condition does not contain the row id (and if no other index can be used), then all rows of the table are scanned.
 A table scan iterates over all rows in the table, in the order of the row id.
 To find out what strategy the database uses to retrieve the data, use <code>EXPLAIN SELECT</code>: