The constant in backend/utils/misc/trace.c, line 32 limits the length of

logged queries to 1024, truncating longer queries.  That is about half of
the size I need (I have a union that is 2K long).  Can someone consider
bumping it to 4K or so?  Patch attached...

Regards,
Ed Loehr

src/backend/utils/misc/trace.c

@@ -29,7 +29,7 @@
  * but it's probably not worth the trouble.  Instead limit trace message
  * length to this.
  */
-#define TRACEMSG_MAXLEN		1024
+#define TRACEMSG_MAXLEN		4096
 
 #ifdef USE_SYSLOG
 /*