Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -388,11 +388,11 @@
 	  $(PREFIX)/share/docs/megatest_manual.html $(PREFIX)/bin/remrun $(PREFIX)/bin/mtutil \
 	  $(PREFIX)/share/db/mt-pg.sql \
           $(PREFIX)/share/js/jquery-3.1.0.slim.min.js \
           $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so \
           $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so.0 \
-          $(PREFIX)/bin/.$(ARCHSTR)/lib/libxcb-xlib.so.0
+          $(PREFIX)/bin/.$(ARCHSTR)/lib/libxcb-xlib.so.0 $(PREFIX)/bin/serialize-env
 
 #         $(PREFIX)/bin/.$(ARCHSTR)/ndboard $(PREFIX)/bin/tcmt 
 #         $(PREFIX)/bin/.$(ARCHSTR)/mtexec $(PREFIX)/bin/mtexec $(PREFIX)/bin/serialize-env \
 # $(PREFIX)/bin/newdashboard
 

Index: db.scm
==================================================================
--- db.scm
+++ db.scm
@@ -711,13 +711,23 @@
       ;; exn
       ;; (begin
       ;;   (debug:print 0 "ERROR: Failed to create tables. Look at your [fields] section, should be: fieldname TEXT DEFAULT 'yourdefault'")
       ;;   (exit))
 	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS keys (id INTEGER PRIMARY KEY, fieldname TEXT, fieldtype TEXT, CONSTRAINT keyconstraint UNIQUE (fieldname));")
-	(for-each (lambda (key)
-		    (sqlite3:execute db "INSERT OR REPLACE INTO keys (fieldname,fieldtype) VALUES (?,?);" key "TEXT"))
-		  keys)
+	(for-each
+	 (lambda (key)
+	   (let* ((fieldname #f)
+		  (fieldtype #f))
+	     (sqlite3:for-each-row
+	      (lambda (fn ft)
+		(set! fieldname fn)
+		(set! fieldtype ft))
+	      db
+	      "SELECT fieldname,fieldtype FROM keys WHERE fieldname=?" key)
+	     (if (not fieldname)
+		 (sqlite3:execute db "INSERT INTO keys (fieldname,fieldtype) VALUES (?,?);" key "TEXT"))))
+	 keys)
 	(sqlite3:execute db (conc 
 			     "CREATE TABLE IF NOT EXISTS runs (id INTEGER PRIMARY KEY, \n			 " 
 			     fieldstr (if havekeys "," "") "
 			 runname    TEXT DEFAULT 'norun',
                          contour    TEXT DEFAULT '',
@@ -808,11 +818,21 @@
 	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS metadat (id INTEGER PRIMARY KEY, var TEXT, val TEXT,
                                   CONSTRAINT metadat_constraint UNIQUE (var));")
 	(sqlite3:execute db "CREATE TABLE IF NOT EXISTS access_log (id INTEGER PRIMARY KEY, user TEXT, accessed TIMESTAMP, args TEXT);")
 	;; Must do this *after* running patch db !! No more. 
 	;; cannot use db:set-var since it will deadlock, hardwire the code here
-	(sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" "MEGATEST_VERSION" (common:version-signature))
+	(let* ((prev-version #f)
+	       (curr-version (common:version-signature)))
+	  (sqlite3:for-each-row
+	   (lambda (ver)
+	     (set! prev-version ver))
+	   db
+	   "SELECT val FROM metadat WHERE var='MEGATEST_VERSION';")
+	  (if prev-version
+	      (if (not (equal? prev-version curr-version))
+		  (sqlite3:execute db "UPDATE metadat SET val=? WHERE var=?;" curr-version "MEGATEST_VERSION"))
+	      (sqlite3:execute db "INSERT OR REPLACE INTO metadat (var,val) VALUES (?,?);" "MEGATEST_VERSION" curr-version) ))
 	(debug:print-info 11 *default-log-port* "db:initialize END") ;; ))))
 
 	;;======================================================================
 	;; R U N   S P E C I F I C   D B 
 	;;======================================================================

Index: dbmod.scm
==================================================================
--- dbmod.scm
+++ dbmod.scm
@@ -103,11 +103,10 @@
 	  (begin
 	    (sync-proc last-update)
 
 	    ;; MOVE THIS CALL TO INSIDE THE sync-proc CALL
 	    (dbr:dbstruct-last-update-set! dbstruct curr-secs)
-
 	    )))
     (assert (sqlite3:database? dbh) "FATAL: bad db handle in dbmod:with-db") 
     (if use-mutex (mutex-lock! *db-with-db-mutex*))
     (let* ((res (apply proc dbdat dbh params)))
       (if use-mutex (mutex-unlock! *db-with-db-mutex*))
@@ -295,10 +294,11 @@
 ;;    IFF field-name exists
 ;;
 ;; Use (db:sync-all-tables-list keys) to get the tbls input
 ;;
 (define (dbmod:sync-tables tbls last-update keys fromdb todb)
+  (debug:print-info 0 *default-log-port* "dbmod:sync-tables called, from: "fromdb", to: "todb)
   (assert (sqlite3:database? fromdb) "FATAL: dbmod:sync-tables called with fromdb not a database" fromdb)
   (assert (sqlite3:database? todb) "FATAL: dbmod:sync-tables called with fromdb not a database" todb)
   (let ((specials    `(("keys" "fieldname")
 		       ("metadat" "var")
 		       ,(cons "runs" (cons "runname" keys))
@@ -430,11 +430,11 @@
 				    (qry-proc))
 				  (qry-proc))
 				(set! num-updates (+ num-updates 1))))))
 		      fields-sans-lu)
 		     (let ((row (get-row from-db from-id))) ;; need to insert the row
-		       ;; (debug:print 0 *default-log-port* "row="row)
+		       (debug:print 0 *default-log-port* "from-id="from-id", to-ids="to-ids", row="row)
 		       (set! num-inserts (+ num-inserts 1))
 		       (ins-row to-db from-id row))))
 	       from-ids)))))
     (+ num-inserts num-updates)))