Cache size limit could be exceeded for certain queries, leading to an…

Cache size limit could be exceeded for certain queries, leading to an OutOfMemoryError in some cases.

h2/src/docsrc/html/changelog.html

@@ -21,6 +21,8 @@ Change Log
 <ul><li>Server: CLOB data with unicode characters between character code 0xd800 and 0xdfff
     were not transferred correctly. In many cases, the thread was stuck afterwards.
 </li><li>Issue 264: the Hibernate dialect in src/tools was removed because it is outdated.
+</li><li>Cache size limit could be exceeded for certain queries, leading to an OutOfMemoryError
+    in some cases. Fixed.
 </li></ul>
 
 <h2>Version 1.3.148 Beta (2010-12-12)</h2>

h2/src/main/org/h2/index/PageBtreeIndex.java

@@ -69,6 +69,7 @@ public class PageBtreeIndex extends PageIndex {
         if (trace.isDebugEnabled()) {
             trace.debug("opened {0} rows: {1}", getName() , rowCount);
         }
+        memoryPerPage = (Constants.MEMORY_PAGE_DATA + store.getPageSize()) >> 2;
     }
 
     public void add(Session session, Row row) {