Index: trunk/dbconfig/cam.md
===================================================================
--- trunk/dbconfig/cam.md	(revision 28043)
+++ trunk/dbconfig/cam.md	(revision 28056)
@@ -15,5 +15,5 @@
     magicked    S64         0
     software_ver    STR         16
-    maskfrac_npix S32       0
+    maskfrac_npix F32       0.0
     maskfrac_static F32	    0.0
     maskfrac_dynamic F32    0.0
Index: trunk/dbconfig/changes.txt
===================================================================
--- trunk/dbconfig/changes.txt	(revision 28043)
+++ trunk/dbconfig/changes.txt	(revision 28056)
@@ -1680,2 +1680,6 @@
 ALTER TABLE diffSkyfile ADD COLUMN maskfrac_advisory FLOAT after maskfrac_magic;
 
+ALTER TABLE chipRun CHANGE maskfrac_npix  maskfrac_npix FLOAT;
+ALTER TABLE camRun CHANGE maskfrac_npix  maskfrac_npix FLOAT;
+ALTER TABLE warpRun CHANGE maskfrac_npix maskfrac_npix FLOAT; 
+ALTER TABLE diffRun CHANGE maskfrac_npix maskfrac_npix FLOAT;
Index: trunk/dbconfig/chip.md
===================================================================
--- trunk/dbconfig/chip.md	(revision 28043)
+++ trunk/dbconfig/chip.md	(revision 28056)
@@ -15,5 +15,5 @@
     magicked    S64         0
     software_ver    STR         16
-    maskfrac_npix S32       0
+    maskfrac_npix F32       0.0
     maskfrac_static F32	    0.0
     maskfrac_dynamic F32    0.0
Index: trunk/dbconfig/diff.md
===================================================================
--- trunk/dbconfig/diff.md	(revision 28043)
+++ trunk/dbconfig/diff.md	(revision 28056)
@@ -16,5 +16,5 @@
     magicked    S64         0
     software_ver    STR         16
-    maskfrac_npix S32       0
+    maskfrac_npix F32       0.0
     maskfrac_static F32	    0.0
     maskfrac_dynamic F32    0.0
Index: trunk/dbconfig/warp.md
===================================================================
--- trunk/dbconfig/warp.md	(revision 28043)
+++ trunk/dbconfig/warp.md	(revision 28056)
@@ -26,5 +26,5 @@
     magicked    S64         0
     software_ver    STR         16
-    maskfrac_npix S32       0
+    maskfrac_npix F32       0.0
     maskfrac_static F32	    0.0
     maskfrac_dynamic F32    0.0