Rust: Make rust/summary/summary-statistics a metric query so that we can access data in the DCA job.

Author: geoffw0

rust/ql/src/queries/summary/SummaryStats.ql

@@ -1,7 +1,7 @@
 /**
  * @name Summary Statistics
  * @description A table of summary statistics about a database.
- * @kind diagnostic
+ * @kind metric
  * @id rust/summary/summary-statistics
  * @tags summary
  */
@@ -10,31 +10,30 @@ import rust
 import codeql.rust.Diagnostics
 import Stats
 
-from string key, string value
+from string key, int value
 where
-  key = "Elements extracted" and value = count(Element e | not e instanceof Unextracted).toString()
+  key = "Elements extracted" and value = count(Element e | not e instanceof Unextracted)
   or
-  key = "Elements unextracted" and value = count(Unextracted e).toString()
+  key = "Elements unextracted" and value = count(Unextracted e)
   or
-  key = "Extraction errors" and value = count(ExtractionError e).toString()
+  key = "Extraction errors" and value = count(ExtractionError e)
   or
-  key = "Extraction warnings" and value = count(ExtractionWarning w).toString()
+  key = "Extraction warnings" and value = count(ExtractionWarning w)
   or
-  key = "Files extracted - total" and value = count(File f | exists(f.getRelativePath())).toString()
+  key = "Files extracted - total" and value = count(File f | exists(f.getRelativePath()))
   or
   key = "Files extracted - with errors" and
   value =
     count(File f | exists(f.getRelativePath()) and not f instanceof SuccessfullyExtractedFile)
-        .toString()
   or
   key = "Files extracted - without errors" and
-  value = count(SuccessfullyExtractedFile f | exists(f.getRelativePath())).toString()
+  value = count(SuccessfullyExtractedFile f | exists(f.getRelativePath()))
   or
-  key = "Lines of code extracted" and value = getLinesOfCode().toString()
+  key = "Lines of code extracted" and value = getLinesOfCode()
   or
-  key = "Lines of user code extracted" and value = getLinesOfUserCode().toString()
+  key = "Lines of user code extracted" and value = getLinesOfUserCode()
   or
-  key = "Inconsistencies - AST" and value = getTotalAstInconsistencies().toString()
+  key = "Inconsistencies - AST" and value = getTotalAstInconsistencies()
   or
-  key = "Inconsistencies - CFG" and value = getTotalCfgInconsistencies().toString()
+  key = "Inconsistencies - CFG" and value = getTotalCfgInconsistencies()
 select key, value