* Merge code from 18x.

module/metric/calc/product/scale/case_coverage_of_projected_story_in_product.php

@@ -26,9 +26,14 @@ class case_coverage_of_projected_story_in_product extends baseCalc
 
     public function getStatement()
     {
-        return $this->dao->select('t1.product, COUNT(t1.id) as total, SUM(IF(t3.id IS NULL, 0, 1)) as hasCase')->from(TABLE_STORY)->alias('t1')
+        $caseQuery = $this->dao->select('story, count(DISTINCT id) as case_count')->from(TABLE_CASE)
+            ->groupBy('story')
+            ->get();
+
+        return $this->dao->select('t1.product, COUNT(t1.id) as total, SUM(CASE WHEN t3.case_count > 0 THEN 1 ELSE 0 END) as hasCase')->from(TABLE_STORY)->alias('t1')
             ->leftJoin(TABLE_PRODUCT)->alias('t2')->on('t1.product=t2.id')
             ->leftJoin(TABLE_CASE)->alias('t3')->on('t1.id=t3.story')
+            ->leftJoin("($caseQuery)")->alias('t3')->on('t1.id=t3.story')
             ->where('t1.stage')->eq('projected')
             ->andWhere('t1.deleted')->eq(0)
             ->andWhere('t2.deleted')->eq(0)