Christian Beikov
4b48dd31f6
Get rid of MVCC JDBC connection parameter
2022-03-24 09:15:11 +01:00
CHAPEL Guillaume
c57d394445
HHH-15118 Fix duplicate ids with PooledOptimizer when sequence value is initialValue
2022-03-18 10:27:06 +01:00
Steve Ebersole
6ab1cd3434
fix problem with release.gradle
2022-03-16 11:36:11 -05:00
Steve Ebersole
f82d381fe3
Gradle build clean-ups
...
- re-organize release task definitions to avoid use of subproject iteration
2022-03-15 12:15:56 -05:00
Steve Ebersole
741b6b71f1
logging report
2022-03-11 14:45:43 -06:00
Steve Ebersole
7a1d6f13dd
doc fix-ups
2022-03-09 13:45:11 -06:00
Steve Ebersole
e16fbb6c31
report-tasks
2022-03-09 12:28:13 -06:00
Steve Ebersole
415b28f116
HHH-15114 - Clean up deprecations
2022-03-08 20:24:14 -06:00
Steve Ebersole
b8c416744d
not-found and fk() docs
2022-03-08 18:11:07 -06:00
Christian Beikov
af9edd50d6
Add SqlTypes.TIMESTAMP_UTC to as jdbc type for java.time.Instant
2022-03-08 23:05:09 +01:00
Christian Beikov
964e72f536
Implement support for TimeZoneStorageType.COLUMN
2022-03-08 23:05:09 +01:00
Christian Beikov
2c80250b0e
Replace typeNames in Dialect with SqlType and SqlTypeRegistry that dialects contribute into
2022-03-08 21:59:49 +01:00
Steve Ebersole
ac4a792f84
render migration guide using asciidoctor and publish with docs
2022-03-08 11:26:55 -06:00
Steve Ebersole
d52ebfb41d
HHH-15099 - Improve handling of associations marked with @NotFound
...
- Keep track of NotFoundAction into mapping model
- Fix tests with erroneous assertions about `@NotFound` associations allowed to be lazy
2022-03-05 08:59:31 -06:00
Christian Beikov
bdf8b2fc2e
Fully generify and simplify UserType contract
2022-03-04 11:14:17 +01:00
Christian Beikov
8183901cfe
Add documentation notes about LIST semantics for mappedBy mappings
2022-03-02 17:02:53 +01:00
Christian Beikov
7aaeebe3af
Switch back to bag by default for list semantics
2022-03-02 17:02:53 +01:00
Christian Beikov
8e6fb5636b
Adapt EmbeddableInstantiator and CompositeUserType to accept a ValueAccess instead of a Supplier
2022-02-25 19:15:38 +01:00
Christian Beikov
c520b48487
Implement support for CompositeUserType and re-enable tests that make use of it
2022-02-25 15:36:16 +01:00
Andrea Boriero
dc3b3db512
Re-enable additional tests
2022-02-15 17:45:39 +01:00
Christian Beikov
5bfbc466eb
Rename JPA copy compliance setting to `hibernate.criteria.copy_tree`
2022-02-10 18:24:23 +01:00
Gavin King
4d024fde8b
update documentation to explain implicit collection joins
2022-02-09 22:05:21 +01:00
Gavin King
9ebac67737
change the new syntax for HQL collection-aggregates
...
this feels more consistent to me, and avoids introducing "new" syntax
2022-02-09 22:05:21 +01:00
Gavin King
65e282766c
test showing 'join treat' broken for @OneToMany
2022-02-08 12:23:43 +01:00
Gavin King
a25758f519
don't write @SuppressWarnings({ "unchecked" })
2022-02-05 20:03:50 +01:00
Steve Ebersole
86cdf67016
HHH-15055 - Document SelectionQuery and MutationQuery
2022-02-05 10:50:13 -06:00
Gavin King
798f9b0518
disable test on Sybase
...
oops, I missed that this failed in CI!
2022-02-02 20:41:52 +01:00
Gavin King
f9392406b7
mention ordered set functions in documentation
2022-02-02 20:00:58 +01:00
Jan Schatteman
d2b740ce5b
Jrenaat 6.0 deprecation removals ( #4718 )
...
* Removed deprecated org.hibernate.boot.jaxb.internal.stax.LocalSchema
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove some deprecations from org.hibernate.engine.jdbc
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove deprecated misspelled method in PostActionEventListener
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove deprecated getSource() from AbstractPreDatabaseOperationEvent
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Privatize deprecated buildOptimizer method in OptimizerFactory
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove deprecated ServiceContributingIntegrator
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove some more deprecated features
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
2022-01-31 19:14:48 +01:00
Christian Beikov
0ad5796ffd
Implement SQM copying for JPA Criteria API uses
2022-01-31 19:04:37 +01:00
Gavin King
ef391bf644
get rid of warnings about use of deprecated PersisterCreationContext
2022-01-31 14:10:04 +01:00
Gavin King
6f3592ac25
Streams are no longer closed by terminal operations
...
This is no longer true, according to H6 migration guide, so undocument it
2022-01-30 18:35:08 +01:00
Gavin King
99e43537c1
fix a couple of minor errors in doc
2022-01-30 06:21:53 +01:00
Gavin King
1188c6e628
Use a table instead of a list
2022-01-29 20:01:20 +01:00
Gavin King
b2a929a46e
fix quoting
2022-01-29 19:42:59 +01:00
Gavin King
475d028981
remove @TimeZoneColumn for now because it's unimplemented
...
and there's no plan to implement it for 6.0
(we can put it back later if someone gets around to implementing it)
2022-01-28 16:01:58 +01:00
Gavin King
e80892b77f
fix typo
2022-01-27 20:31:05 +01:00
Steve Ebersole
5436f441ae
move remaining tests from o.h.test to o.h.orm.test
2022-01-26 17:06:53 -06:00
Steve Ebersole
7b00d3ce78
Migrate internal uses of `MetamodelImplementor` (deprecated) to instead use `MappingMetamodel`
2022-01-25 20:22:29 -06:00
Gavin King
e51c210d78
squash lots of warnings in services
...
change the raw Map representation of config properties to Map<String,Object>
2022-01-25 21:04:50 +01:00
Steve Ebersole
3f879dc3db
User Guide - collection mapping docs
2022-01-24 19:52:41 -06:00
Steve Ebersole
a332d9191e
Work on the User Guide section on @NotFound
2022-01-24 13:28:07 -06:00
Steve Ebersole
d6c4f90f4c
Change `@ParamDef#type` associated with a `@FilterDef` from `String` to `Class` in keeping with the general move away from String-based type usage in annotations
2022-01-24 08:27:11 -06:00
Gavin King
766483e46d
remove hibernate.query.omit_join_of_superclass_tables
2022-01-22 20:01:17 +01:00
Steve Ebersole
8cda382ef9
api, spi, internal, deprecation
...
org.hibernate.query package
2022-01-21 13:34:06 -06:00
Gavin King
2df71bb7ab
remove some more deprecated stuff from Environment
...
and refresh its Javadoc
2022-01-21 16:52:09 +01:00
Gavin King
329b2fc9c4
remove hibernate.jdbc.use_streams_for_binary config property
...
this should be handled by the Dialects
2022-01-21 16:52:09 +01:00
Steve Ebersole
5761e7801b
api, spi, internal, deprecation
...
org.hibernate.jpa
2022-01-20 22:19:13 -06:00
Gavin King
d385cc8825
remove hibernate.query.validate_parameters
...
in H6 we're going to always validate them
2022-01-20 23:20:16 +01:00
Gavin King
a59bf70ccf
remove hibernate.query.conventional_java_constants
...
this was apparently a sorta nasty bandaid to a performance problem in query compilation
and it caused problems for some users, breaking interpretation of enum values
2022-01-20 23:20:16 +01:00
Gavin King
846af92b54
remove JACC and JMX stuff from docs
...
it got left over somehow
2022-01-20 18:03:51 +01:00
Gavin King
e7acffef15
remove some legacy config properties
...
the following are gone:
hibernate.ejb.resource_scanner
hibernate.query.substitutions
hibernate.jdbc.sql_exception_converter
hibernate.native_exception_handling_51_compliance
hibernate.legacy_limit_handler
hibernate.jdbc.wrap_result_sets
2022-01-20 18:03:51 +01:00
Christian Beikov
445cedfec7
Cleanup the naming of JavaDescriptor and JavaTypeDescriptor to align with the new naming JavaType
2022-01-20 16:01:02 +01:00
Christian Beikov
fb749b6b32
Adapt tests and skips for H2 2.0.202+
2022-01-18 15:18:01 +01:00
Steve Ebersole
7de0e79cad
Clean up usages of ``@NotImplementedYet`
2022-01-14 15:56:59 -06:00
Steve Ebersole
9fe3c861ca
HHH-15023 - Move Query and NativeQuery back to org.hibernate.query
2022-01-14 14:49:17 -06:00
Steve Ebersole
fda6e96c5e
HHH-15023 - Move Query and NativeQuery back to org.hibernate
2022-01-11 21:01:56 -06:00
Steve Ebersole
d2584730f3
Document @IdGeneratorType;
...
Some work to clean up User Guide sections on id-generators
2022-01-10 09:54:06 -06:00
Gavin King
64d25f16d1
make 'element' and 'value' synonyms in doc
2022-01-10 15:48:34 +01:00
Gavin King
e6128551b3
document new collection aggregate function syntax
...
and fix some other problems I found in the examples
2022-01-10 15:48:34 +01:00
Gavin King
4b5e6e1969
introduce new syntax for aggregate functions applying to collections
...
max(element x.y), min(index x.y), sum(element x.y)
and rationalize the node types here
2022-01-10 15:48:34 +01:00
Gavin King
596debed4d
make @Check work when applied at the field level
...
This was a bug!
Also add checkConstraint member to @Table to allow check constraints on secondary tables
Also clean up some Javadoc of some related annotations
2022-01-10 00:01:24 +01:00
Gavin King
60ad64b2a6
update explanation of limit/fetch join problem for H6
2022-01-08 11:58:44 +01:00
Gavin King
3103d84949
fix an incorrect statement about case sensitivity
2022-01-08 02:31:20 +01:00
Steve Ebersole
448d678fb5
Drop `@CollectionClassificationType`;
...
Drop `@CollectionSemantics`;
Drop `@CollectionSemanticsRegistration(s)`;
Add `@CollectionTypeRegistration(s)`;
Rename `@CustomType` to `@Type`;
User Guide and Migration Guide changes
2022-01-06 21:46:48 -06:00
Gavin King
a1ea84a3ac
two very minor doc fixes
2022-01-06 23:26:21 +01:00
Gavin King
aef951f279
move some function arg typechecking up to the SQM phase
...
this is where it needs to be for checking of named queries at startup
and for any checks that happen in an IDE or at build time
2022-01-06 18:10:00 +01:00
Steve Ebersole
773f3429c6
hibernate.mapping.default_list_semantics (`AvailableSettings#DEFAULT_LIST_SEMANTICS`)
...
make LIST the default classification for List attributes with no `@OrderColumn`, etc.
2022-01-06 08:53:00 -06:00
Gavin King
c96f22dfe0
remove hibernate.dialect.show_hql_functions and just make it a log category
...
really unclear why I didn't do it that way in the first place
2022-01-06 15:24:35 +01:00
Steve Ebersole
1131292fa9
- fix apparently illegal Oracle identifier
2022-01-05 20:51:41 -06:00
Steve Ebersole
a71ba9e385
Initial work to re-organize the Collections chapter in the UserGuide;
...
Docs for @CollectionType, @CollectionClassificationType and @CollectionSemantics;
Some api/spi/internal work;
Migration Guide;
2022-01-05 16:26:58 -06:00
Christian Beikov
2666f3f6e0
Add feature requirement for multi-insert test
2022-01-05 14:37:50 +01:00
Christian Beikov
6e8f344a9f
Implement handling of top level limit/offset/fetch clause when collection fetches are involved
2022-01-05 14:37:50 +01:00
Christian Beikov
2e0a2eea43
Fix issues with multi table values inserts and add optimization for simple values inserts
2022-01-05 14:37:50 +01:00
Gavin King
bddbb4d287
examples for native functions
2022-01-05 13:16:52 +01:00
Gavin King
31a795b8c7
quotes not needed for enum values in doc example
2022-01-05 00:42:05 +01:00
Gavin King
e1d1d21a30
move a passage to a place it's easier to find
2022-01-05 00:42:05 +01:00
Gavin King
2d55d9a3a8
document id(), version(), naturalid() functions
2022-01-04 23:07:39 +01:00
Gavin King
4ae977a41e
disable a test on Sybase
...
(missed this failure)
2022-01-04 18:06:43 +01:00
Gavin King
b1aea5f993
document the existence of quoted identifiers
2022-01-04 16:18:55 +01:00
Gavin King
1934236314
document that you can insert multiple rows with 'values'
2022-01-04 15:05:42 +01:00
Gavin King
ef53b2a2de
make the BNFs more readable
...
and add one for grouped item
2022-01-04 15:05:42 +01:00
Gavin King
ae2b19cbb0
finally rewrite a sentence I wrote close to 20 years ago
...
I almost feel like I shouldn't push this...
2022-01-04 02:39:18 +01:00
Gavin King
59e36c46c4
better documentation for limit and friends
...
with code example
2022-01-04 00:22:57 +01:00
Gavin King
b9a040effb
switch to inconsolata for monospace font
2022-01-03 21:26:03 +01:00
Gavin King
b72e2620c6
remove a strange statement that was simply wrong from the docs
2022-01-03 21:25:50 +01:00
Gavin King
0e55930c75
use more standard whitespace in example code in docs
2022-01-03 21:25:16 +01:00
Gavin King
0f9faf85e5
minor improvements to the beginning part of HQL chapter
2022-01-03 19:39:14 +01:00
Gavin
b55ccabba1
slightly nicer css
2022-01-03 18:39:58 +01:00
Gavin
49d9155f4e
do a much better job of explaining query language concepts
...
and add an example of a union query
2022-01-03 18:39:58 +01:00
Gavin
cf4d2d4338
undocument a fixed limitation
2022-01-03 17:09:18 +01:00
Gavin King
948eaf7210
more comments on 'fetch join'
...
- and improve a table
- and add BNF for limit/offset and order by
2022-01-02 18:56:07 +01:00
Gavin King
6c28a133dd
enum + Java constant examples
...
+ minor fixes
2022-01-02 16:51:50 +01:00
Gavin King
72889fe861
add some missing functions to docs
2022-01-02 16:10:33 +01:00
Gavin King
c48be75d3b
add an examples with treat() ( #4552 )
...
and slightly reorg doc
2022-01-02 15:45:48 +01:00
Gavin King
5ae55d7bfb
redesign 'collate' and add tests
...
* and add tests and documentation for 'collate'
* much better and less-ambiguous syntax for collate(), consistent with cast() and treat()
* reimplement collate() using the function infrastructure
* implement collate() for HSQLDB
This feature was previously untested and at least partially broken, and was making a mess
of the HQL grammar.
2022-01-02 13:39:33 +01:00
Gavin King
4509cad315
at least *mention* treat()
2022-01-02 03:33:08 +01:00
Gavin King
648dac628f
minor fixes to docs
2022-01-02 03:33:08 +01:00
Gavin King
de7aaa88dc
clean up sample BNFs
2022-01-01 23:52:27 +01:00
Gavin King
9edcf6b0c0
moar tables
2022-01-01 23:52:27 +01:00
Gavin King
cb787e87a8
mention OffsetDateTime in lterals
2022-01-01 23:52:27 +01:00
Gavin King
ec6540ea56
get rid of useless headings on sample code fragments
2022-01-01 23:52:27 +01:00
Gavin King
0966c7be1d
more HQL doc rewriting
...
much better documentation for HQL statement types
rewrite section on predicates and logical operators
rewrite from/join section
stop shouting so much
document that H6 auto-removes non-distinct entity results
document limit/offset
document set operators and 'cross join'
slight reorg of Query API chapter, and new title
use "ordinal" instead of "positional" for parameters
2022-01-01 23:52:27 +01:00
Steve Ebersole
7599d3b2dd
Re-write of `Collections` domain model section
...
preliminary work
2021-12-31 16:37:55 -06:00
Steve Ebersole
7c475c8ac0
migration-guide
2021-12-31 16:21:32 -06:00
Fabio Massimo Ercoli
f5fdb653a8
Remove not used examples from documentation
2021-12-31 11:46:10 -06:00
Gavin King
3f8a0b6776
HQL doc rewrite/restructure
...
- document new features of HQL (literals, functions, filter, rollup)
- rewrite parts of the section dealing with the Query API + execution
- split out a new chapter about the query language, and reorder sections
- remove material about deprecated/removed features
- get rid of use of java.sql.Timestamp from the code!
- make use of repeatable annotations in code examples
2021-12-31 18:35:14 +01:00
Steve Ebersole
9beab38716
Re-write of `Collections` domain model section
...
preliminary work
2021-12-31 11:32:44 -06:00
Steve Ebersole
4ea949d93d
Re-write of `Collections` domain model section
...
preliminary work
2021-12-31 11:08:25 -06:00
Gavin King
5bcf691d2b
mention @GeneratedColumn in the docs
2021-12-31 16:01:32 +01:00
Christian Beikov
1184a5963b
Re-add AvailableSettings.JPA_METAMODEL_GENERATION and re-enable metamodel tests
2021-12-23 10:01:07 +01:00
Christian Beikov
29bfb799aa
Fix some test issues with HANA and emulate derived table column naming on HANA
2021-12-21 18:59:08 +01:00
Chris Cranford
99c13e5965
HHH-11595 Introduce `CollectionAuditTable` support
2021-12-18 22:53:42 -05:00
Steve Ebersole
fe5a7466cf
slightly expand the documentation for Boolean - minor fix-ups
2021-12-18 07:22:13 -06:00
Gavin King
7a81ec78ff
slightly expand the documentation for Boolean
2021-12-18 07:22:13 -06:00
Gavin King
a2272be61c
documentation surrounding @Lob and Length
2021-12-18 05:05:55 -06:00
Chris Cranford
b384b37f39
HHH-8051 Gracefully handle not-found to-one associations
2021-12-16 01:05:27 -05:00
Steve Ebersole
76c329f919
More work on ``@AttributeBinderType`
2021-12-09 12:54:20 -06:00
Steve Ebersole
1e33836632
to test pushing
2021-12-09 07:03:28 -06:00
Steve Ebersole
7a6cef5838
Miscellaneous
...
- Finished DialectVersion
- User Guide tidying
- User Guide section on AttributeBinder
2021-12-09 00:51:40 -06:00
Gavin King
365aa58254
add two new annotations to the list in Annotations.adoc
2021-12-08 08:44:09 -05:00
Gavin King
6f0676cf96
HHH-6054 add docs for @TenantId
2021-12-08 08:44:09 -05:00
gavin
b2e6965577
remove MultiTenancyStrategy
...
Use the existence of a MultiTenantConnectionProvider to infer that multitenancy is enabled.
2021-12-08 08:44:09 -05:00
Steve Ebersole
915da5228d
HHH-14497 - Drop legacy id-generator settings;
...
HHH-14718 - Drop deprecated generator implementations
2021-12-07 11:12:44 -06:00
Andrea Boriero
07155b7993
Merge remote-tracking branch 'upstream/main' into wip/6.0
2021-12-06 17:56:17 +01:00
Neon Ngo
fa8b78d345
HHH-14956 Fix link to MetadataBuilderContributor javadocs
...
- Under Appendix > Configurations > Bootstrap properties
- hibernate.metadata_builder_contributor
2021-12-06 16:33:09 +00:00
Steve Ebersole
ae25b651ca
HHH-14885 - New composite user-type
...
HHH-14951 - Add @EmbeddableRepresentationStrategy
Prep work for `@EmbeddableRepresentationStrategy` - mostly move things from spi package to api, generally all marked `@Incubating`
2021-12-02 14:49:23 -06:00
Christian Beikov
47416b9e24
Fixup review comments
2021-12-02 13:17:53 +01:00
Steve Ebersole
5e0b98dd61
HHH-14928 - Document CDI integration
2021-12-01 22:11:56 -06:00
Steve Ebersole
9137b9e79a
HHH-14885 - New composite user-type
...
`@EmbeddableInstantiatorRegistration`
2021-12-01 20:47:14 -06:00
Steve Ebersole
61d178ef1b
HHH-14885 - New composite user-type
...
`@EmbeddableInstantiatorRegistration`
2021-12-01 18:16:29 -06:00
Steve Ebersole
924c2b29c3
HHH-14885 - New composite user-type
...
Working support for `@EmbeddableInstantiator` on either the embedded site or on the embeddable class.
2021-12-01 17:35:43 -06:00
Sanne Grinovero
334aeb1349
HHH-14946 Upgrading base requirements to Java 11
2021-12-01 17:34:28 +00:00
Chris Dennis
55db51894f
HHH-14837 : Re-enable hibernate-jcache module.
2021-11-29 11:44:16 -05:00
Chris Cranford
dbecdc41ac
HHH-9062 Allow validity audit strategy to store revision end timestamps on joined subclass audit tables.
2021-11-27 04:41:52 -05:00
Chris Cranford
205f0ce9bf
HHH-6210 Added config option to allow revend timestamp fields to be long data types
2021-11-26 02:20:28 -05:00
Andrea Boriero
b971d76bf6
Merge remote-tracking branch 'upstream/main' into wip/6.0
2021-11-18 12:45:25 +01:00
Jan Schatteman
69d2c65880
Removal @Deprecated from availablesettings ( #4369 )
...
* Remove deprecated *_CLASSLOADER from AvailableSettings
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove deprecated HBM2DLL_CREATE_NAMESPACES and DEPRECATED_EXTRA_PHYSICAL_TABLE_TYPES from AvailableSettings
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove deprecated and duplicated HBM2DDL_DB_NAME, HBM2DDL_DB_VERSION, HBM2DDL_DB_MAJOR_VERSION, HBM2DDL_DB_MINOR_VERSION from AvailableSettings
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
2021-11-17 14:52:52 +01:00
nathan.xu
c3631970a5
HHH-14927 fix other obvious defects in user guide
2021-11-17 10:52:56 +01:00
nathan.xu
f54f6bdf4e
HHH-14927 bump current hibernate version from 5.5 to 5.6 in user guide
2021-11-17 10:52:56 +01:00
Andrea Boriero
2e74d026f2
Merge branch 'wip/6.0_merge_main' into wip/6.0
2021-11-16 09:28:40 +01:00
Andrea Boriero
0c0fab9cef
Merge remote-tracking branch 'upstream/main' into wip/6.0_merge_main
2021-11-16 09:27:42 +01:00
Maciej Walkowiak
3845d2f97f
Refer correct entity in "Composite identifiers with associations" section
...
Code sample uses `Book` entity instead of `PersonAddress`.
2021-11-16 08:47:03 +01:00
Björn Kautler
fa3a364b79
Fix dead link in documentation
2021-11-16 08:46:07 +01:00
Jan Schatteman
37703e2e4c
Remove deprecated properties from AvailableSettings ( #4362 )
...
* Remove deprecated ACQUIRE_CONNECTIONS and RELEASE_CONNECTIONS from AvailableSettings
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
* Remove deprecated PROXOOL_PREFIX and PREFER_POOLED_VALUES_LO from AvailableSettings
Signed-off-by: Jan Schatteman <jschatte@redhat.com>
2021-11-15 23:03:16 +01:00
Karel Maesen
8a96c4e7c7
HHH-4925 Minor fixes
2021-11-15 16:17:11 +01:00
Karel Maesen
64331aada6
Fix documentation issues
2021-11-15 16:17:11 +01:00
Karel Maesen
0300e54fef
HHH-14925 Remove deprecated BasicType implementations
2021-11-15 16:17:11 +01:00
Karel Maesen
e48da8d52c
HHH-14925 Switch for Postgis to javatype/jdbctype
...
Also some documentation improvements and dead code removal.
2021-11-15 16:17:11 +01:00
Karel Maesen
022d2c0a13
HHH-14906 Fix naming inconsistencies
...
Also fixes some minor checkstyle violations and
removes dead code
2021-11-15 16:17:11 +01:00