Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMDgxNGNiM2Rl... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16252?atlOrigin=eyJpIjoiMDgxNG... ) HHH-16252 ( https://hibernate.atlassian.net/browse/HHH-16252?atlOrigin=eyJpIjoiMDgxNG... ) Syntax error on drop constraint ( https://hibernate.atlassian.net/browse/HHH-16252?atlOrigin=eyJpIjoiMDgxNG... ) Issue Type: Bug Assignee: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Components: hibernate-core Created: 04/Mar/2023 01:31 AM Fix Versions: 6.2.0 Priority: Major Reporter: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Having a constraint named “c” and a table named “t” the generated SQL to drop the contraint is currently, using the PostgreSQL dialect: alter table if exists public.t constraintif exists c Leading to ERROR: syntax error at or near "constraintif" at character [..] Investigating, it seems the problem is not specific to PostgreSQL but to any DB supporting “if exists” syntax. ( https://hibernate.atlassian.net/browse/HHH-16252#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16252#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#100217- sha1:65be9f2 )