Some tests fails on oracle when entity has no columns except identity one
[MapKeyAttributeConverterTest.java#L239|https://github.com/hibernate/hibernate-orm/blob/master/hibernate-core/src/test/java/org/hibernate/test/converter/map/MapKeyAttributeConverterTest.java#L239]
{code:java}
@Entity
@Table(name = "map_entity")
public static class MapEntity {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "implicitType")
private Map<ColorType, MapValue> implicitType = new HashMap<ColorType, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "explicitType")
private Map<ColorType, MapValue> explicitType = new HashMap<ColorType, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumDefault")
private Map<EnumMapKey, MapValue> enumDefaultType = new HashMap<EnumMapKey, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumExplicitOrdinal")
private Map<EnumMapKey, MapValue> enumExplicitOrdinalType = new HashMap<EnumMapKey, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumExplicitString")
private Map<EnumMapKey, MapValue> enumExplicitStringType = new HashMap<EnumMapKey, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumExplicit")
private Map<EnumMapKey, MapValue> enumExplicitType = new HashMap<EnumMapKey, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumImplicit")
private Map<ImplicitEnumMapKey, MapValue> enumImplicitType = new HashMap<ImplicitEnumMapKey, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumImplicitOverrideOrdinal")
private Map<ImplicitEnumMapKey, MapValue> enumImplicitOverrideOrdinalType = new HashMap<ImplicitEnumMapKey, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumImplicitOverrideString")
private Map<ImplicitEnumMapKey, MapValue> enumImplicitOverrideStringType = new HashMap<ImplicitEnumMapKey, MapValue>();
@OneToMany(mappedBy = "mapEntity", cascade = CascadeType.ALL)
@MapKey(name = "enumImplicitOverrided")
private Map<ImplicitEnumMapKey, MapValue> enumImplicitOverridedType = new HashMap<ImplicitEnumMapKey, MapValue>();
}
{code}
generates INSERT statement
{noformat}
insert into map_entity values ( )
{noformat}
which fails on Oracle12c with {{ORA-00936: missing expression}}. The same SQL passes on Sybase. MS SQL Server has different SQL {{insert into map_entity default values}}.
At least these tests are affected:
org.hibernate.test.converter.map.MapKeyAttributeConverterTest
* could be changed to use {{GenerationType.AUTO}}
* or added column to entity (the @RequiresDialectFeature should be added)
rg
org .hibernate.id.FlushIdGenTest
Workaround is to add some column to entity
{code:java}
@Column
private String foo = "bar";
{code}
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