New default behaviour for back reference naming.

The new default is to take `@Table` annotations into account.

The behaviour can be configured by setting the `foreignKeyNaming` property on the `RelationalMappingContext`.

Closes #1162
See #1147

Author: schauder

spring-data-jdbc/src/test/java/org/springframework/data/jdbc/core/convert/SqlGeneratorFixedNamingStrategyUnitTests.java

@@ -134,7 +134,7 @@ public void cascadingDeleteAllSecondLevel() {
 
 		assertThat(sql)
 				.isEqualTo("DELETE FROM \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_SECONDLEVELREFERENCEDENTITY\" "
-						+ "WHERE \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_SECONDLEVELREFERENCEDENTITY\".\"REFERENCED_ENTITY\" IN "
+						+ "WHERE \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_SECONDLEVELREFERENCEDENTITY\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\" IN "
 						+ "(SELECT \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\".\"FIXEDCUSTOMPROPERTYPREFIX_L1ID\" "
 						+ "FROM \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\" "
 						+ "WHERE \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\".\"DUMMY_ENTITY\" = :rootId)");
@@ -170,7 +170,7 @@ public void cascadingDeleteSecondLevel() {
 
 		assertThat(sql)
 				.isEqualTo("DELETE FROM \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_SECONDLEVELREFERENCEDENTITY\" "
-						+ "WHERE \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_SECONDLEVELREFERENCEDENTITY\".\"REFERENCED_ENTITY\" IN "
+						+ "WHERE \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_SECONDLEVELREFERENCEDENTITY\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\" IN "
 						+ "(SELECT \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\".\"FIXEDCUSTOMPROPERTYPREFIX_L1ID\" "
 						+ "FROM \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\" "
 						+ "WHERE \"FIXEDCUSTOMSCHEMA\".\"FIXEDCUSTOMTABLEPREFIX_REFERENCEDENTITY\".\"DUMMY_ENTITY\" IS NOT NULL)");

spring-data-jdbc/src/test/java/org/springframework/data/jdbc/repository/query/PartTreeJdbcQueryUnitTests.java

@@ -67,7 +67,7 @@ public class PartTreeJdbcQueryUnitTests {
 
 	private static final String TABLE = "\"users\"";
 	private static final String ALL_FIELDS = "\"users\".\"ID\" AS \"ID\", \"users\".\"AGE\" AS \"AGE\", \"users\".\"ACTIVE\" AS \"ACTIVE\", \"users\".\"LAST_NAME\" AS \"LAST_NAME\", \"users\".\"FIRST_NAME\" AS \"FIRST_NAME\", \"users\".\"DATE_OF_BIRTH\" AS \"DATE_OF_BIRTH\", \"users\".\"HOBBY_REFERENCE\" AS \"HOBBY_REFERENCE\", \"hated\".\"NAME\" AS \"HATED_NAME\", \"users\".\"USER_CITY\" AS \"USER_CITY\", \"users\".\"USER_STREET\" AS \"USER_STREET\"";
-	private static final String JOIN_CLAUSE = "FROM \"users\" LEFT OUTER JOIN \"HOBBY\" \"hated\" ON \"hated\".\"USER\" = \"users\".\"ID\"";
+	private static final String JOIN_CLAUSE = "FROM \"users\" LEFT OUTER JOIN \"HOBBY\" \"hated\" ON \"hated\".\"USERS\" = \"users\".\"ID\"";
 	private static final String BASE_SELECT = "SELECT " + ALL_FIELDS + " " + JOIN_CLAUSE;
 
 	JdbcMappingContext mappingContext = new JdbcMappingContext();

spring-data-relational/src/main/java/org/springframework/data/relational/core/mapping/DefaultNamingStrategy.java

@@ -32,7 +32,7 @@ public class DefaultNamingStrategy implements NamingStrategy {
 	 */
 	public static NamingStrategy INSTANCE = new DefaultNamingStrategy();
 
-	private ForeignKeyNaming foreignKeyNaming = ForeignKeyNaming.IGNORE_RENAMING;
+	private ForeignKeyNaming foreignKeyNaming = ForeignKeyNaming.APPLY_RENAMING;
 
 	@Override
 	public void setForeignKeyNaming(ForeignKeyNaming foreignKeyNaming) {

spring-data-relational/src/main/java/org/springframework/data/relational/core/mapping/RelationalMappingContext.java

@@ -36,7 +36,7 @@ public class RelationalMappingContext
 
 	private final NamingStrategy namingStrategy;
 	private boolean forceQuote = true;
-	private ForeignKeyNaming foreignKeyNaming = ForeignKeyNaming.IGNORE_RENAMING;
+	private ForeignKeyNaming foreignKeyNaming = ForeignKeyNaming.APPLY_RENAMING;
 
 	/**
 	 * Creates a new {@link RelationalMappingContext}.

src/main/asciidoc/jdbc.adoc

@@ -249,10 +249,10 @@ Also, the type of that aggregate is encoded in a type parameter.
 ==== Back References
 
 All references in an aggregate result in a foreign key relationship in the opposite direction in the database.
-By default, the name of the foreign key column is the table name of the referencing entity, ignoring any table annotations.
+By default, the name of the foreign key column is the table name of the referencing entity.
 
-Alternatively you may choose to have them named by the actual table name of the referencing entity.
-You activate this behaviour by calling `setForeignKeyNaming(ForeignKeyNaming.APPLY_RENAMING)` on the `RelationalMappingContext`.
+Alternatively you may choose to have them named by the entity name of the referencing entity ignoreing `@Table` annotations.
+You activate this behaviour by calling `setForeignKeyNaming(ForeignKeyNaming.IGNORE_RENAMING)` on the `RelationalMappingContext`.
 
 For `List` and `Map` references an additional column is required for holding the list index or map key. It is based on the foreign key column with an additional `_KEY` suffix.