January 2023 - hibernate-issues - Jboss List Archives

[JIRA] (HHH-16046) EventListenerGroupImpl to expose changes to registered listeners in a memory safe way

by Sanne Grinovero (JIRA)

Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMzk2ZWJjMmEw... ) / Task ( https://hibernate.atlassian.net/browse/HHH-16046?atlOrigin=eyJpIjoiMzk2ZW... ) HHH-16046 ( https://hibernate.atlassian.net/browse/HHH-16046?atlOrigin=eyJpIjoiMzk2ZW... ) EventListenerGroupImpl to expose changes to registered listeners in a memory safe way ( https://hibernate.atlassian.net/browse/HHH-16046?atlOrigin=eyJpIjoiMzk2ZW... ) Issue Type: Task Assignee: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Components: hibernate-core Created: 14/Jan/2023 15:08 PM Fix Versions: 6.2.0 Labels: memorysafety performance Priority: Major Reporter: Sanne Grinovero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) It turns out EventListenerGroupImpl allows to dynamically change the registered listeners at runtime, but when doing so it’s not using adequate memory barriers to ensure such changes are consistently applied across all threads. I’ll fix the memory requirements and, while at it, avoid for method listeners() to allocate a new List at each use; this method was deprecated but it appears it’s still being used in varies event processors, which is showing as a performance issue. As 6.2 is nearly ready I’ve refrained from a more consistent refactoring, proposing a plan for further actions here: https://github.com/hibernate/hibernate-orm/discussions/5956 ( https://github.com/hibernate/hibernate-orm/discussions/5956 ) ( https://hibernate.atlassian.net/browse/HHH-16046#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16046#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=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

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[JIRA] (HHH-16045) ambiguity in grammar of HQL datetime literals

by Gavin King (JIRA)

1 year, 11 months

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[JIRA] (HHH-16045) ambiguity in grammar of HQL datetime literals

by Gavin King (JIRA)

Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiYjkwOGQ4NTE2... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16045?atlOrigin=eyJpIjoiYjkwOG... ) HHH-16045 ( https://hibernate.atlassian.net/browse/HHH-16045?atlOrigin=eyJpIjoiYjkwOG... ) ambiguity in grammar of HQL datetime literals ( https://hibernate.atlassian.net/browse/HHH-16045?atlOrigin=eyJpIjoiYjkwOG... ) Issue Type: Bug Assignee: Unassigned Components: hibernate-core Created: 14/Jan/2023 09:40 AM Priority: Major Reporter: Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) I had made a really dumb mistake in the grammar, and was accepting literals of this form: datetime 1974-03-25 12:30:00+10 and of course this can’t be distinguished from: datetime 1974-03-25 12:30:00 + 10 I think I actually meant to make the minutes part of the offset required, and indeed the docs suggest that it is required. But I didn’t do it. Anyway, I’ve changed the grammar so that the minutes part of an offset is optional for the braced syntax but not for the ANSI-inspired syntax. ( https://hibernate.atlassian.net/browse/HHH-16045#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16045#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=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

1 year, 11 months

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[JIRA] (HHH-16044) date/time literal rendering on MySQL, DB2

by Gavin King (JIRA)

1 year, 11 months

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[JIRA] (HHH-16044) date/time literal rendering on MySQL, DB2

by Gavin King (JIRA)

Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiYjI3MGQ0YmNm... ) / Improvement ( https://hibernate.atlassian.net/browse/HHH-16044?atlOrigin=eyJpIjoiYjI3MG... ) HHH-16044 ( https://hibernate.atlassian.net/browse/HHH-16044?atlOrigin=eyJpIjoiYjI3MG... ) date/time literal rendering on MySQL, DB2 ( https://hibernate.atlassian.net/browse/HHH-16044?atlOrigin=eyJpIjoiYjI3MG... ) Issue Type: Improvement Assignee: Unassigned Components: hibernate-core Created: 14/Jan/2023 09:32 AM Priority: Minor Reporter: Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) I have modified the DB2 and MySQL dialects to render date/time literals using the ANSI-standard syntax, instead of using JDBC escapes. This fixed a bug on DB2. I left the Oracle dialect using JDBC escapes (because time literals would have been real ugly), except for the special case of a timestamp literal with an offset/zone, where the JDBC driver doesn’t support it, and so I use the ANSI syntax. ( https://hibernate.atlassian.net/browse/HHH-16044#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16044#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=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

1 year, 11 months

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[JIRA] (HHH-16043) Hibernate 6.x brakes collection batch fetching

by Aleksandr B. (JIRA)

1 year, 11 months

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[JIRA] (HHH-16043) Hibernate 6.x brakes collection batch fetching

by Aleksandr B. (JIRA)

Aleksandr B. ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-16043 ( https://hibernate.atlassian.net/browse/HHH-16043?atlOrigin=eyJpIjoiOWFiZG... ) Re: Hibernate 6.x brakes collection batch fetching ( https://hibernate.atlassian.net/browse/HHH-16043?atlOrigin=eyJpIjoiOWFiZG... ) Reproducer: https://github.com/belovaf/hibernate-bugs ( https://github.com/belovaf/hibernate-bugs ) ( https://hibernate.atlassian.net/browse/HHH-16043#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16043#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=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

1 year, 11 months

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[JIRA] (HHH-16043) Hibernate 6.x brakes collection batch fetching

by Aleksandr B. (JIRA)

Aleksandr B. ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiOTVlMmViN2I4... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16043?atlOrigin=eyJpIjoiOTVlMm... ) HHH-16043 ( https://hibernate.atlassian.net/browse/HHH-16043?atlOrigin=eyJpIjoiOTVlMm... ) Hibernate 6.x brakes collection batch fetching ( https://hibernate.atlassian.net/browse/HHH-16043?atlOrigin=eyJpIjoiOTVlMm... ) Issue Type: Bug Affects Versions: 6.2.0.CR1, 6.1.6 Assignee: Unassigned Components: hibernate-core Created: 14/Jan/2023 08:23 AM Environment: hibernate-core:6.1.6.FInal, All jdk (11, 17), MacOS, All platforms (verified on h2, oracle) Priority: Major Reporter: Aleksandr B. ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Hibernate brakes correct collection batch fetching in 2 ways. I set global hibernate.default_batch_fetch_size=16. * When I try to initialize a lazy collection and there are other 5 similar uninitialized collections I expect that hibernate will initialize all of them in one single query, something like select ... from ... where id in(?,?,?,?,?,?) But hibernate 6.x generates a lot of similar queries. All theese queries contain overlapping ids. * When I try to initialize a single lazy collection I expect that hibernate will initialize it with single bind parameter. But hibernate 6.x initialize it with in cluase with 16 binding parameters. I researched first issue and I think that the cause is incorrect empty persistence collection handling. If some parent entity doesn’t contain children entities BatchFetchQueue is incorrectly cleared. I think after CollectionLoaderBatchKey::batchLoad hibernate should delete all batchIds from BatchFetchQueue but in reality it deletes only one of them. This leads to fact that hibernate try to load same collections againg and againg. ( https://hibernate.atlassian.net/browse/HHH-16043#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16043#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=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

1 year, 11 months

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[JIRA] (HHH-16035) Duration literals and 'by' are almost completely broken

by Gavin King (JIRA)

Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-16035 ( https://hibernate.atlassian.net/browse/HHH-16035?atlOrigin=eyJpIjoiMTU0N2... ) Re: Duration literals and 'by' are almost completely broken ( https://hibernate.atlassian.net/browse/HHH-16035?atlOrigin=eyJpIjoiMTU0N2... ) This is now fixed and duration literals and arithmetic are working again. ( https://hibernate.atlassian.net/browse/HHH-16035#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16035#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=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

1 year, 11 months

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[JIRA] (HHH-16042) Deprecate session-level setting org.hibernate.flushMode

by Gavin King (JIRA)

Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-16042 ( https://hibernate.atlassian.net/browse/HHH-16042?atlOrigin=eyJpIjoiYWIzYm... ) Re: Deprecate session-level setting org.hibernate.flushMode ( https://hibernate.atlassian.net/browse/HHH-16042?atlOrigin=eyJpIjoiYWIzYm... ) Oh I get it: the original idea of this was that you could set a Hibernate-specific FlushMode via EntityManager.setProperty(). It was not originally supposed to be a configuration setting. ( https://hibernate.atlassian.net/browse/HHH-16042#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16042#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=EmailN... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100214- sha1:b03f6a4 )

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hibernate-issues January 2023