Bug 1375319

Summary:	In MiqExpression, leverage virtual columns w/ arel
Product:	Red Hat CloudForms Management Engine	Reporter:	Satoe Imaishi <simaishi>
Component:	Performance	Assignee:	Keenan Brock <kbrock>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Pradeep Kumar Surisetty <psuriset>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	5.7.0	CC:	arcsharm, cpelland, jhardy, obarenbo
Target Milestone:	GA
Target Release:	5.7.0
Hardware:	Unspecified
OS:	Unspecified
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Fixed In Version:	5.7.0.0	Doc Type:	If docs needed, set a value
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Clone Of:
Clones:	1375327 (view as bug list)		Environment:
Last Closed:	2016-12-21 14:57:46 UTC	Type:	Bug
Regression:	---	Mount Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1375327

Description Satoe Imaishi 2016-09-12 17:29:45 UTC

From PR: https://github.com/ManageIQ/manageiq/pull/8870

virtual columns can have corresponding sql, use these columns in the
database.  This is a big performance boost.