Branch: refs/heads/master Home: https://github.com/hibernate/hibernate-orm Commit: d1119d320a96695341d102480648752a7208525b https://github.com/hibernate/hibernate-orm/commit/d1119d320a96695341d1024... Author: Gavin King <gavin(a)hibernate.org&gt; Date: 2020-08-27 (Thu, 27 Aug 2020) Changed paths: M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/HqlSqlWalker.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/QueryTranslatorImpl.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/BasicExecutor.java Log Message: ----------- HHH-14153 optimize away temp table for single-table HQL update When a HQL bulk update query only touches a single table, use BasicExecutor instead of MultiTableUpdateExecutor. This is an alternate implementation to the one proposed by @NathanQingyangXu in #3508 and loosely based on that work. Commit: 264e71a916ff27a97bfefea144a20895f7fc75e7 https://github.com/hibernate/hibernate-orm/commit/264e71a916ff27a97bfefea... Author: Gavin King <gavin(a)hibernate.org&gt; Date: 2020-08-27 (Thu, 27 Aug 2020) Changed paths: M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/QueryTranslatorImpl.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/BasicExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/DeleteExecutor.java A hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/InsertExecutor.java A hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/UpdateExecutor.java Log Message: ----------- HHH-14153 clean up BasicExecutor and friends introduces InsertExecutor and UpdateExecutor since we're going to be introducing specific optimizations relating to single-table updates relates to HHH-14153 Commit: 423697026de10ed24c8d425b661425072926bfa0 https://github.com/hibernate/hibernate-orm/commit/423697026de10ed24c8d425... Author: Gavin King <gavin(a)hibernate.org&gt; Date: 2020-08-27 (Thu, 27 Aug 2020) Changed paths: M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/QueryTranslatorImpl.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/BasicExecutor.java A hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/IdSubselectUpdateExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/InsertExecutor.java A hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/SimpleUpdateExecutor.java R hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/UpdateExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/spi/id/TableBasedUpdateHandlerImpl.java Log Message: ----------- HHH-14153 further optimization for single-table HQL update This extends the optimization for single-table HQL bulk updates to the case where the where clause touches multiple tables and we can use a subselect to collect the ids that we need to update. Commit: 51730713222a088a960de3296b5053880b0bb0b9 https://github.com/hibernate/hibernate-orm/commit/51730713222a088a960de32... Author: Gavin King <gavin(a)hibernate.org&gt; Date: 2020-08-27 (Thu, 27 Aug 2020) Changed paths: A hibernate-core/src/test/java/org/hibernate/test/joinedsubclass/SingleTableUpdateQueryTest.java Log Message: ----------- HHH-14153 add test By NathanQingyangXu See https://github.com/hibernate/hibernate-orm/pull/3508 Commit: 5daf440a6cd8e0ed115f33d0594cc19c88ccfa04 https://github.com/hibernate/hibernate-orm/commit/5daf440a6cd8e0ed115f33d... Author: Gavin King <gavin(a)hibernate.org&gt; Date: 2020-08-27 (Thu, 27 Aug 2020) Changed paths: M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/QueryTranslatorImpl.java Log Message: ----------- HHH-14153 Make buildAppropriateStatementExecutor() protected Hibernate Reactive might ultimately need to override this method, though it doesn't right now. Relates to HHH-14153. Commit: 5b9ec29ecb689c7fddaeec42afeb72398aeb9a0a https://github.com/hibernate/hibernate-orm/commit/5b9ec29ecb689c7fddaeec4... Author: Gavin King <gavin(a)hibernate.org&gt; Date: 2020-08-27 (Thu, 27 Aug 2020) Changed paths: M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/BasicExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/DeleteExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/IdSubselectUpdateExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/InsertExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/SimpleUpdateExecutor.java M hibernate-core/src/main/java/org/hibernate/hql/spi/id/AbstractTableBasedBulkIdHandler.java Log Message: ----------- HHH-14153 refactoring after HHH-14153 - avoid use package-scoped instance felds - remove copy/pasted code Note: I don't hate package-scoped final fields, but I know other folks tend to. So let's go with template methods instead. Compare: https://github.com/hibernate/hibernate-orm/compare/59d40c3bf5bc...5b9ec29...