LOB: in server mode, if the feature "LOBs in database" is disabled, the…

LOB: in server mode, if the feature "LOBs in database" is disabled, the temporary files are now created in the temp directory (the same as when "LOBs in database" is enabled).

h2/src/docsrc/html/changelog.html

@@ -30,6 +30,9 @@ Change Log
     using a database URL that doesn't start with "jdbc:h2:".
 </li><li>Using the java.sql.Blob or java.sql.Clob interfaces could throw the wrong
     exception after the object was closed.
+</li><li>LOB: in server mode, if the feature "LOBs in database" is disabled,
+the temporary files are now created in the temp directory (the same as
+when "LOBs in database" is enabled).
 </li></ul>
 
 <h2>Version 1.2.147 (2010-11-21)</h2>

h2/src/main/org/h2/value/ValueLob.java

@@ -241,6 +241,9 @@ public class ValueLob extends Value {
 
     private int getNewObjectId(DataHandler h) {
         String path = h.getDatabasePath();
+        if ((path != null) && (path.length() == 0)) {
+            path = new File(System.getProperty("java.io.tmpdir"), SysProperties.PREFIX_TEMP_FILE).getAbsolutePath();
+        }
         int newId = 0;
         int lobsPerDir = SysProperties.LOB_FILES_PER_DIRECTORY;
         while (true) {
@@ -381,8 +384,12 @@ public class ValueLob extends Value {
         String compressionAlgorithm = h.getLobCompressionAlgorithm(type);
         this.compression = compressionAlgorithm != null;
         synchronized (h) {
+            String path = h.getDatabasePath();
+            if ((path != null) && (path.length() == 0)) {
+                path = new File(System.getProperty("java.io.tmpdir"), SysProperties.PREFIX_TEMP_FILE).getAbsolutePath();
+            }
             objectId = getNewObjectId(h);
-            fileName = getFileNamePrefix(h.getDatabasePath(), objectId) + Constants.SUFFIX_TEMP_FILE;
+            fileName = getFileNamePrefix(path, objectId) + Constants.SUFFIX_TEMP_FILE;
             tempFile = h.openFile(fileName, "rw", false);
             tempFile.autoDelete();
         }