concrete5/concrete5 — pull request #1378 by mlocati (2013-09-19 15:44:35+00:00)
Title: Include in the survey results the anonymous responses

The query included a `Users.uID = btSurveyResults.uID` in the WHERE clause.
This leads to skipping anonymous results (for which we have an empty `btSurveyResults.uID`)

Using a `LEFT JOIN` allows including also the anonymous results.