diff --git a/manifest b/manifest
index 156b4edd50..3aa481e0f3 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\stest\sscript\sproblem\spreventing\sveryquick.test\sfrom\srunning.
-D 2023-08-16T13:55:38.215
+C Update\stestrunner.tcl\sto\suse\senvironment\svariable\s%NUMBER_OF_PROCESSES%\swhen\srunning\sunder\stclsh\son\swindows.\sAlso\smodify\sthe\sinternal\sdatabase\sschema\sused\sby\stestrunner.tcl\sto\sbe\scompatible\swith\sold\sversions\sof\sSQLite.
+D 2023-08-16T14:18:53.625
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -1602,7 +1602,7 @@ F test/temptable2.test 76821347810ecc88203e6ef0dd6897b6036ac788e9dd3e6b04fd4d163
 F test/temptable3.test d11a0974e52b347e45ee54ef1923c91ed91e4637
 F test/temptrigger.test 38f0ca479b1822d3117069e014daabcaacefffcc
 F test/tester.tcl 68454ef88508c196d19e8694daa27bff7107a91857799eaa12f417188ae53ede
-F test/testrunner.tcl d18b0480901b0d8db4016128935a52aba8618fb36ae99a6736461921d4a52eac
+F test/testrunner.tcl 56a744d4e6e516b2091c2ca6b7b27b9600e9ded136a2c860c350515511ebe20a
 F test/testrunner_data.tcl 0f167aa9e9a640f2f19e5d99bc99016c236526a6a8eb36432e445df1983a8548
 F test/thread001.test a0985c117eab62c0c65526e9fa5d1360dd1cac5b03bde223902763274ce21899
 F test/thread002.test c24c83408e35ba5a952a3638b7ac03ccdf1ce4409289c54a050ac4c5f1de7502
@@ -2091,8 +2091,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P e12d70f38c0ed5c0abf9a1e30ce4db59a4426e1e8cb1f8f07834fc1bedfcc65a
-R aad1c865033f092e6c13ef7485e12ba1
+P e73886574042108eb31641d0820c273c10b83fbf08ac6cb52d3e4c27830e2c23
+R 02f8906445af4d496aeb7df86dbf9411
 U dan
-Z 3ef211021d49ef1d76dc9c52896d0217
+Z 5346440cb243f66c6add836cfbeafff3
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index e8c90ba565..4bc8402667 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e73886574042108eb31641d0820c273c10b83fbf08ac6cb52d3e4c27830e2c23
\ No newline at end of file
+6542ed3b9e028c44aca504eadca843ee9b2ba08f5f650523238dd1253f7e221b
\ No newline at end of file
diff --git a/test/testrunner.tcl b/test/testrunner.tcl
index 822f032767..3b94182a9e 100644
--- a/test/testrunner.tcl
+++ b/test/testrunner.tcl
@@ -110,16 +110,20 @@ proc guess_number_of_cores {} {
   if {[catch {number_of_cores} ret]} {
     set ret 4
   
-    if {$::tcl_platform(os)=="Darwin"} {
-      set cmd "sysctl -n hw.logicalcpu"
+    if {$::tcl_platform(platform)=="windows"} {
+      catch { set ret $::env(NUMBER_OF_PROCESSORS) }
     } else {
-      set cmd "nproc"
-    }
-    catch {
-      set fd [open "|$cmd" r]
-      set ret [gets $fd]
-      close $fd
-      set ret [expr $ret]
+      if {$::tcl_platform(os)=="Darwin"} {
+        set cmd "sysctl -n hw.logicalcpu"
+      } else {
+        set cmd "nproc"
+      }
+      catch {
+        set fd [open "|$cmd" r]
+        set ret [gets $fd]
+        close $fd
+        set ret [expr $ret]
+      }
     }
   }
   return $ret
@@ -188,10 +192,8 @@ set TRG(schema) {
     state TEXT CHECK( state IN ('', 'ready', 'running', 'done', 'failed') ),
     time INTEGER,                 -- Time in ms
     output TEXT,                  -- full output of test script
-    priority AS (((config='make')*3) + (config='build') + (slow*2)),
-    jobtype AS (
-      CASE WHEN config IN ('build', 'make') THEN config ELSE 'script' END
-    ),
+    priority INTEGER,
+    jobtype TEXT CHECK( jobtype IN ('script', 'build', 'make') ),
     PRIMARY KEY(build, config, filename)
   );
 
@@ -697,9 +699,20 @@ proc make_new_testset {} {
         set state ""
       }
 
+      set priority [expr {$slow*2}]
+      if {$c=="make"} { incr priority 3 }
+      if {$c=="build"} { incr priority 1 }
+
+      if {$c=="make" || $c=="build"} {
+        set jobtype $c
+      } else {
+        set jobtype "script"
+      }
+
       trdb eval { 
-        INSERT INTO script(build, config, filename, slow, state) 
-            VALUES ($b, $c, $s, $slow, $state) 
+        INSERT INTO script
+                   (build, config, filename, slow, state, priority, jobtype) 
+            VALUES ($b, $c, $s, $slow, $state, $priority, $jobtype) 
       }
     }
   }