4.0.0-M4

📗 Links

• Spring Data Relational 4.0 Reference documentation
• Spring Data Relational 4.0 Javadoc

⭐ New Features

• Propagated the SqlType to the parameter source during Spel ex… #2079
• Allow Table and Column name expressions to return SqlIdentifier #2077
• Refine dependency lookup in JdbcRepositoryFactoryBean.afterPropertiesSet() #2070
• Use quoted identifiers by default using R2DBC #2066
• Incorrect MapParameterSource construction in @Query methods with SPEL #2007
• Use force-quoting in R2dbcMappingContext by default #1993
• Add support for composite ids #1957
• Allow Table and Column name expressions to return SqlIdentifier #1524
• Support for Composite Keys using @Embeded and @Id #574

🐞 Bug Fixes

• Spring Data Jdbc: instability in custom reading/writing converter appliance #2083
• Handle custom conversions for collections #2081
• Custom converters not working for collecton-like properties #2078
• Fixing Typo in JdbcAggregateChangeExecutionContext Exception Message #2074
• Fixing Typo in SqlSort Exception Message #2073
• GH-2064 BeforeConvertCallback should be applied after the RootAggrega… #2065
• spring data jdbc: saveAll on null id's entities calls update statement #2064
• Supported nested conversions for AggregateReference #2062
• JdbcAggregateTemplate honors columns specified in query #1967
• AggregateReference with custom datatypes can not be converted to simple type #1828
• JdbcAggregateOperations does not use columns parameter of Query #1803

📔 Documentation

• Fix typos in DbAction class documentation #2080

🔨 Dependency Upgrades

• Upgrade to Maven Wrapper 3.9.11 #2089
• Upgrade to Netty 4.2.2.Final #2086
• Upgrade JDBC and R2DBC drivers #2085

❤️ Contributors

We'd like to thank all the contributors who worked on this release!

• @ghgh415263
• @serezakorotaev
• @mipo256