Jens Schauder

Support read after write logic

2

In order to utilise triggers and default values a read-after-write logic should be supported. see also https://github.com/spring-projects/spring-data-commons/issues/2158

Handling of the JdbcType with conversions for derived queries seems to be wrong

1

When conversions get applied in the query mapper the JdbcType does not take that conversion into account. In many cases this does not cause a problem because JDBC drivers often...

Improve SelectBuilder to require less casting

2

Using the `SelectBuilder` often requires casting because type information is lost in the API. One example: https://github.com/spring-projects/spring-data-jdbc/blob/79923b66dc67f49a294a68eeab82a76b5dfaddc1/spring-data-jdbc/src/main/java/org/springframework/data/jdbc/repository/query/JdbcCountQueryCreator.java#L53 We should try to improve the API to require less casting.

Both UNION and UNION ALL should be supported. See https://www.w3schools.com/sql/sql_ref_union.asp

The purpose of JdbcValue objects is to contain a value as it is to be handed to the driver plus the `java.sql.Type` value to go with it. I think the...

Currently we only run our tests with a single database/driver version combination per supported database. We should improve that to run tests with * the oldest driver/database version combination we...