Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-15725 ( https://hibernate.atlassian.net/browse/HHH-15725?atlOrigin=eyJpIjoiMjM0MG... ) Re: Criteria API Expression.as adds cast to sql string negatively affecting performance ( https://hibernate.atlassian.net/browse/HHH-15725?atlOrigin=eyJpIjoiMjM0MG... ) Hi Hernan ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=62fba63... ) , thanks for reporting the issue. In my opinion here the spec is a little confusing, it never explicitly says that casting should never happen. I opened a PR to avoid the cast when casting type is the same of the expression type. I’m going to rename the Jira too. ( https://hibernate.atlassian.net/browse/HHH-15725#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15725#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100210- sha1:4037f92 )