mirror of
https://github.com/Infinidat/infi.clickhouse_orm.git
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191 lines
6.5 KiB
Markdown
191 lines
6.5 KiB
Markdown
Change Log
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==========
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Unreleased
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----------
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- Support for model constraints
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v2.0.1
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------
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- Remove unnecessary import of `six`
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v2.0.0
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------
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- Dropped support for Python 2.x
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- New flexible syntax for database expressions and functions
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- Expressions as default values for model fields
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- Support for IPv4 and IPv6 fields
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- Automatic generation of models by inspecting existing tables
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- Convenient ways to import ORM classes
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See [What's new in version 2](docs/whats_new_in_version_2.md) for details.
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v1.4.0
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------
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- Added primary_key parameter to MergeTree engines (M1hacka)
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- Support negative enum values (Romamo)
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v1.3.0
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------
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- Support LowCardinality columns in ad-hoc queries
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- Support for LIMIT BY in querysets (utapyngo)
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v1.2.0
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------
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- Add support for per-field compression codecs (rbelio, Chocorean)
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- Add support for low cardinality fields (rbelio)
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v1.1.0
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------
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- Add PREWHERE support to querysets (M1hacka)
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- Add WITH TOTALS support to querysets (M1hacka)
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- Extend date field range (trthhrtz)
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- Fix parsing of server errors in ClickHouse v19.3.3+
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- Fix pagination when asking for the last page on a query that matches no records
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- Use HTTP Basic Authentication instead of passing the credentials in the URL
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- Support default/alias/materialized for nullable fields
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- Add UUIDField (kpotehin)
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- Add `log_statements` parameter to database initializer
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- Fix test_merge which fails on ClickHouse v19.8.3
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- Fix querysets using the SystemPart model
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v1.0.4
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------
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- Added `timeout` parameter to database initializer (SUHAR1K)
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- Added `verify_ssl_cert` parameter to database initializer
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- Added `final()` method to querysets (M1hacka)
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- Fixed a migrations problem - cannot add a new materialized field after a regular field
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v1.0.3
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------
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- Bug fix: `QuerySet.count()` ignores slicing
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- Bug fix: wrong parentheses when building queries using Q objects
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- Support Decimal fields
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- Added `Database.add_setting` method
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v1.0.2
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----------
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- Include alias and materialized fields in queryset results
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- Check for database existence, to allow delayed creation
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- Added `Database.does_table_exist` method
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- Support for `IS NULL` and `IS NOT NULL` in querysets (kalombos)
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v1.0.1
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------
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- NullableField: take extra_null_values into account in `validate` and `to_python`
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- Added `Field.isinstance` method
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- Validate the inner field passed to `ArrayField`
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v1.0.0
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------
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- Add support for compound filters with Q objects (desile)
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- Add support for BETWEEN operator (desile)
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- Distributed engine support (tsionyx)
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- `_fields` and `_writable_fields` are OrderedDicts - note that this might break backwards compatibility (tsionyx)
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- Improve error messages returned from the database with the `ServerError` class (tsionyx)
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- Added support for custom partitioning (M1hacka)
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- Added attribute `server_version` to Database class (M1hacka)
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- Changed `Engine.create_table_sql()`, `Engine.drop_table_sql()`, `Model.create_table_sql()`, `Model.drop_table_sql()` parameter to db from db_name (M1hacka)
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- Fix parsing of datetime column type when it includes a timezone (M1hacka)
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- Rename `Model.system` to `Model._system` to prevent collision with a column that has the same name
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- Rename `Model.readonly` to `Model._readonly` to prevent collision with a column that has the same name
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- The `field_names` argument to `Model.to_tsv` is now mandatory
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- Improve creation time of model instances by keeping a dictionary of default values
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- Fix queryset bug when field name contains double underscores (YouCanKeepSilence)
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- Prevent exception when determining timezone of old ClickHouse versions (vv-p)
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v0.9.8
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------
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- Bug fix: add field names list explicitly to Database.insert method (anci)
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- Added RunPython and RunSQL migrations (M1hacka)
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- Allow ISO-formatted datetime values (tsionyx)
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- Show field name in error message when invalid value assigned (tsionyx)
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- Bug fix: select query fails when query contains '$' symbol (M1hacka)
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- Prevent problems with AlterTable migrations related to field order (M1hacka)
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- Added documentation about custom fields.
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v0.9.7
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------
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- Add `distinct` method to querysets
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- Add `AlterTableWithBuffer` migration operation
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- Support Merge engine (M1hacka)
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v0.9.6
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------
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- Fix python3 compatibility (TvoroG)
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- Nullable arrays not supported in latest ClickHouse version
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- system.parts table no longer includes "replicated" column in latest ClickHouse version
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v0.9.5
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------
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- Added `QuerySet.paginate()`
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- Support for basic aggregation in querysets
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v0.9.4
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------
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- Migrations: when creating a table for a `BufferModel`, create the underlying table too if necessary
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v0.9.3
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------
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- Changed license from PSF to BSD
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- Nullable fields support (yamiou)
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- Support for queryset slicing
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v0.9.2
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------
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- Added `ne` and `not_in` queryset operators
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- Querysets no longer have a default order unless `order_by` is called
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- Added `autocreate` flag to database initializer
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- Fix some Python 2/3 incompatibilities (TvoroG, tsionyx)
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- To work around a JOIN bug in ClickHouse, `$table` now inserts only the table name,
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and the database name is sent in the query params instead
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v0.9.0
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------
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- Major new feature: building model queries using QuerySets
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- Refactor and expand the documentation
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- Add support for FixedString fields
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- Add support for more engine types: TinyLog, Log, Memory
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- Bug fix: Do not send readonly=1 when connection is already in readonly mode
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v0.8.2
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------
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- Fix broken Python 3 support (M1hacka)
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v0.8.1
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------
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- Add support for ReplacingMergeTree (leenr)
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- Fix problem with SELECT WITH TOTALS (pilosus)
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- Update serialization format of DateTimeField to 10 digits, zero padded (nikepan)
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- Greatly improve performance when inserting large strings (credit to M1hacka for identifying the problem)
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- Reduce memory footprint of Database.insert()
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v0.8.0
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------
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- Always keep datetime fields in UTC internally, and convert server timezone to UTC when parsing query results
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- Support for ALIAS and MATERIALIZED fields (M1ha)
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- Pagination: passing -1 as the page number now returns the last page
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- Accept datetime values for date fields (Zloool)
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- Support readonly mode in Database class (tswr)
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- Added support for the Buffer table engine (emakarov)
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- Added the SystemPart readonly model, which provides operations on partitions (M1ha)
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- Added Model.to_dict() that converts a model instance to a dictionary (M1ha)
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- Added Database.raw() to perform arbitrary queries (M1ha)
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v0.7.1
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------
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- Accept '0000-00-00 00:00:00' as a datetime value (tsionyx)
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- Bug fix: parse_array fails on int arrays
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- Improve performance when inserting many rows
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v0.7.0
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------
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- Support array fields
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- Support enum fields
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v0.6.3
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------
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- Python 3 support
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