remove hibernate.query.omit_join_of_superclass_tables

documentation/src/main/asciidoc/userguide/appendices/Configurations.adoc

@@ -522,12 +522,6 @@ For this reason, we can expand the bind parameters to power-of-two: 4, 8, 16, 32
 This way, an IN clause with 5, 6, or 7 bind parameters will use the 8 IN clause,
 therefore reusing its execution plan.
 
-`*hibernate.query.omit_join_of_superclass_tables*` (e.g. `false` or `true` (default value))::
-When you use `jakarta.persistence.InheritanceType#JOINED` strategy for inheritance mapping and query
-a value from an entity, all superclass tables are joined in the query regardless you need them.
-+
-With this setting set to true only superclass tables which are really needed are joined.
-
 ==== Multi-table bulk HQL operations
 
 `*hibernate.hql.bulk_id_strategy*` (e.g. A fully-qualified class name, an instance, or a `Class` object reference)::

hibernate-core/src/main/java/org/hibernate/boot/internal/SessionFactoryOptionsBuilder.java

@@ -110,7 +110,6 @@ import static org.hibernate.cfg.AvailableSettings.JTA_TRACK_BY_THREAD;
 import static org.hibernate.cfg.AvailableSettings.LOG_SESSION_METRICS;
 import static org.hibernate.cfg.AvailableSettings.MAX_FETCH_DEPTH;
 import static org.hibernate.cfg.AvailableSettings.MULTI_TENANT_IDENTIFIER_RESOLVER;
-import static org.hibernate.cfg.AvailableSettings.OMIT_JOIN_OF_SUPERCLASS_TABLES;
 import static org.hibernate.cfg.AvailableSettings.ORDER_INSERTS;
 import static org.hibernate.cfg.AvailableSettings.ORDER_UPDATES;
 import static org.hibernate.cfg.AvailableSettings.PREFER_USER_TRANSACTION;
@@ -218,7 +217,6 @@ public class SessionFactoryOptionsBuilder implements SessionFactoryOptions {
 	private SqmTranslatorFactory sqmTranslatorFactory;
 	private Boolean useOfJdbcNamedParametersEnabled;
 	private boolean namedQueryStartupCheckingEnabled;
-	private final boolean omitJoinOfSuperclassTablesEnabled;
 	private final int preferredSqlTypeCodeForBoolean;
 	private final TimeZoneStorageStrategy defaultTimeZoneStorageStrategy;
 
@@ -425,7 +423,6 @@ public class SessionFactoryOptionsBuilder implements SessionFactoryOptions {
 		this.useOfJdbcNamedParametersEnabled = cfgService.getSetting( CALLABLE_NAMED_PARAMS_ENABLED, BOOLEAN, true );
 
 		this.namedQueryStartupCheckingEnabled = cfgService.getSetting( QUERY_STARTUP_CHECKING, BOOLEAN, true );
-		this.omitJoinOfSuperclassTablesEnabled = cfgService.getSetting( OMIT_JOIN_OF_SUPERCLASS_TABLES, BOOLEAN, true );
 		this.preferredSqlTypeCodeForBoolean = ConfigurationHelper.getPreferredSqlTypeCodeForBoolean( serviceRegistry );
 		this.defaultTimeZoneStorageStrategy = context.getMetadataBuildingOptions().getDefaultTimeZoneStorage();
 
@@ -1198,11 +1195,6 @@ public class SessionFactoryOptionsBuilder implements SessionFactoryOptions {
 		return collectionsInDefaultFetchGroupEnabled;
 	}
 
-	@Override
-	public boolean isOmitJoinOfSuperclassTablesEnabled() {
-		return omitJoinOfSuperclassTablesEnabled;
-	}
-
 	@Override
 	public int getPreferredSqlTypeCodeForBoolean() {
 		return preferredSqlTypeCodeForBoolean;

hibernate-core/src/main/java/org/hibernate/boot/spi/AbstractDelegatingSessionFactoryOptions.java

@@ -445,11 +445,6 @@ public class AbstractDelegatingSessionFactoryOptions implements SessionFactoryOp
 		return delegate().getCustomSqmFunctionRegistry();
 	}
 
-	@Override
-	public boolean isOmitJoinOfSuperclassTablesEnabled() {
-		return delegate.isOmitJoinOfSuperclassTablesEnabled();
-	}
-
 	@Override
 	public int getPreferredSqlTypeCodeForBoolean() {
 		return delegate.getPreferredSqlTypeCodeForBoolean();

hibernate-core/src/main/java/org/hibernate/boot/spi/SessionFactoryOptions.java

@@ -344,8 +344,6 @@ public interface SessionFactoryOptions extends QueryEngineOptions {
 		return false;
 	}
 
-	boolean isOmitJoinOfSuperclassTablesEnabled();
-
 	int getPreferredSqlTypeCodeForBoolean();
 
 	TimeZoneStorageStrategy getDefaultTimeZoneStorageStrategy();

hibernate-core/src/main/java/org/hibernate/cfg/AvailableSettings.java

@@ -2286,18 +2286,6 @@ public interface AvailableSettings {
 	 */
 	String SEQUENCE_INCREMENT_SIZE_MISMATCH_STRATEGY = "hibernate.id.sequence.increment_size_mismatch_strategy";
 
-	/**
-	 * When you use {@link jakarta.persistence.InheritanceType#JOINED} strategy for
-	 * inheritance mapping and query a value from an entity, all superclass tables
-	 * are joined in the query regardless you need them. With this setting set to
-	 * true only superclass tables which are really needed are joined.
-	 * <p>
-	 * The default value is true.
-	 *
-	 * @since 5.4
-	 */
-	String OMIT_JOIN_OF_SUPERCLASS_TABLES = "hibernate.query.omit_join_of_superclass_tables";
-
 	/**
 	 * Specifies the preferred JDBC type code for storing boolean values. When no
 	 * type code is explicitly specified, a sensible