Merge pull request #17590 from NickLaMuro/faster_saved_report_methods

Add faster MiqReportResult helper methods for viewing saved report results
(cherry picked from commit dbf6596)

https://bugzilla.redhat.com/show_bug.cgi?id=1594387

app/models/miq_report_result.rb

@@ -53,6 +53,20 @@ def status_message
     miq_task.nil? ? _("The task associated with this report is no longer available") : miq_task.message
   end
 
+  # Use this method over `report_results` if you don't plan on using the
+  # `binary_blob` associated with the MiqReportResult (chances are you don't
+  # need it).
+  def valid_report_column?
+    report.kind_of?(MiqReport)
+  end
+
+  # Use this over `report_results.contains_records?` if you don't need to
+  # access the binary_blob associated with the MiqReportResult (chances are you
+  # don't need it)
+  def contains_records?
+    (report && (report.extras || {})[:total_html_rows].to_i.positive?) || html_details.exists?
+  end
+
   def report_results
     if binary_blob
       data = binary_blob.data