The OP_Checkpoint opcode is now a no-op if invoked on a database that already
has an active checkpoint journal.  Ticket #333. (CVS 997)

FossilOrigin-Name: daf7b94017f03638da1ef65830f3762be030b93c
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 67d4669..e25145d 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -11,7 +11,7 @@
 *************************************************************************
 ** Internal interface definitions for SQLite.
 **
-** @(#) $Id: sqliteInt.h,v 1.189 2003/05/31 16:21:13 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.190 2003/06/02 23:14:13 drh Exp $
 */
 #include "config.h"
 #include "sqlite.h"
@@ -241,7 +241,7 @@
   Hash idxHash;        /* All (named) indices indexed by name */
   Hash trigHash;       /* All triggers indexed by name */
   Hash aFKey;          /* Foreign keys indexed by to-table */
-  u8 inTrans;          /* True if a transaction is underway for this backend */
+  u8 inTrans;          /* 0: not writable.  1: Transaction.  2: Checkpoint */
   u16 flags;           /* Flags associated with this database */
 };