spring_data_2 Add entity graph for child entities loading

spring_data_2 Add test checking 'LazyInitializationException' occurence

spring_data_2 Make test cases more independent

spring_data_2 Remove DDL generation and show SQL queries

spring_data_2 Add test cases for book repository

spring_data_2 Split JPA and JDBC repository interfaces

spring_data_2 Move interfaces into 'jdbc' package

spring_data_2 Add missing comma

spring_data_2 Move JDBC repository tests into appropriate package

spring_data_2 Change application repositor setting

spring_data_2 Add the JPA implementation of the book repository

spring_data_2 Add the JPA implementation of the author repository

spring_data_2 Add the JPA implementation of the address repository

spring_data_2 Add repository profile settings

spring_data_2 Add JPA annotations to all model classes

spring_data_2 Add dependency on Spring Data JPA

Pull request 'feature/spring_data_1' (#2) from feature/spring_data_1 into release/spring_data_1

Pull request 'feature/spring_data_1' (#1) from feature/spring_data_1 into release/spring_data_1

spring_data_1 Add dependency for Lombok and MapStruct integration

Pull request 'feature/spring_data_1' (#2) from feature/spring_data_1 into release/spring_data_1

spring_data_1 Добавить зависимость для взаимодействия Lombok и MapStruct

spring_data_1 Добавить зависимость для взаимодействия Lombok и MapStruct

Pull request 'feature/spring_data_1' (#1) from feature/spring_data_1 into release/spring_data_1

sprind_data_1 Add end-to-end test for the main test case

spring_data_1 Add tests for update() and delete() methods

spring_data_1 Add methods for search by category and language

spring_data_1 Implement selection both by category and language

sprind_data_1 Add end-to-end test for the main test case

spring_data_1 Add tests for update() and delete() methods

spring_data_1 Add methods for search by category and language

spring_data_1 Implement selection both by category and language

spring_data_1 Add the equals() and hashCode() methods for Author

spring_data_1 Add the `authors` field to the result of search method

spring_data_1 Add the 'Address' entity support

spring_data_1 Update database config to use lowercase table names

spring_data_1 Use specialized constructors instead of passing null

spring_data_1 Add infrastructure for the 'Author' entity

spring_data_1 Fix some unit tests

spring_data_1 Add a capability to create new categories

spring_data_1 Add the count() method to the book repository