HHH-15097 Report VARCHAR as recommended type for UUID to fix issues with AttributeConverters

Author: beikov

hibernate-core/src/main/java/org/hibernate/type/descriptor/java/UUIDTypeDescriptor.java

@@ -7,10 +7,13 @@
 package org.hibernate.type.descriptor.java;
 
 import java.io.Serializable;
+import java.sql.Types;
 import java.util.UUID;
 
 import org.hibernate.internal.util.BytesHelper;
 import org.hibernate.type.descriptor.WrapperOptions;
+import org.hibernate.type.descriptor.spi.JdbcRecommendedSqlTypeMappingContext;
+import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
 
 /**
  * Descriptor for {@link UUID} handling.
@@ -32,6 +35,11 @@ public UUID fromString(String string) {
 		return ToStringTransformer.INSTANCE.parse( string );
 	}
 
+	@Override
+	public SqlTypeDescriptor getJdbcRecommendedSqlType(JdbcRecommendedSqlTypeMappingContext context) {
+		return context.getTypeConfiguration().getSqlTypeDescriptorRegistry().getDescriptor( Types.VARCHAR );
+	}
+
 	@SuppressWarnings({ "unchecked" })
 	public <X> X unwrap(UUID value, Class<X> type, WrapperOptions options) {
 		if ( value == null ) {