Merge pull request #186 from src-d/bzz-add-example

Add one more query example

Author: bzz

frontend/src/App.js

@@ -140,6 +140,21 @@ FROM ( SELECT MONTH(committer_when) as month,
         ON YEAR(c.committer_when) = 2018 AND r.commit_hash = c.commit_hash
     WHERE r.ref_name = 'HEAD'
 ) as t GROUP BY committer_email, committer_name, month, repository_id`
+      },
+      {
+        name: 'Number of functions per file for Go',
+        sql: ` /* Number of funtions per file for Golang at HEAD */
+SELECT files.repository_id, files.file_path,
+ ARRAY_LENGTH(UAST(
+   files.blob_content,
+   LANGUAGE(files.file_path, files.blob_content),
+   '//*[@roleFunction and @roleDeclaration]'
+ )) as functions
+FROM files
+NATURAL JOIN refs
+WHERE 
+LANGUAGE(files.file_path,files.blob_content) = 'Go'
+AND refs.ref_name = 'HEAD'`
       }
     ];
   }