infi.clickhouse_orm/CHANGELOG.md

Change Log

Unreleased

• Add support for compound filters with Q objects (desile)
• Add support for BETWEEN operator (desile)
• Distributed engine support (tsionyx)
• _fields and _writable_fields are OrderedDicts - note that this might break backwards compatibility (tsionyx)
• Improve error messages returned from the database with the ServerError class (tsionyx)
• Added support for custom partitioning (M1hacka)
• Added attribute server_version to Database class (M1hacka)
• Changed Engine.create_table_sql(), Engine.drop_table_sql(), Model.create_table_sql(), Model.drop_table_sql() parameter to db from db_name (M1hacka)
• Fix parsing of datetime column type when it includes a timezone (M1hacka)

v0.9.8

• Bug fix: add field names list explicitly to Database.insert method (anci)
• Added RunPython and RunSQL migrations (M1hacka)
• Allow ISO-formatted datetime values (tsionyx)
• Show field name in error message when invalid value assigned (tsionyx)
• Bug fix: select query fails when query contains '$' symbol (M1hacka)
• Prevent problems with AlterTable migrations related to field order (M1hacka)
• Added documentation about custom fields.

v0.9.7

• Add distinct method to querysets
• Add AlterTableWithBuffer migration operation
• Support Merge engine (M1hacka)

v0.9.6

• Fix python3 compatibility (TvoroG)
• Nullable arrays not supported in latest ClickHouse version
• system.parts table no longer includes "replicated" column in latest ClickHouse version

v0.9.5

• Added QuerySet.paginate()
• Support for basic aggregation in querysets

v0.9.4

• Migrations: when creating a table for a BufferModel, create the underlying table too if necessary

v0.9.3

• Changed license from PSF to BSD
• Nullable fields support (yamiou)
• Support for queryset slicing

v0.9.2

• Added ne and not_in queryset operators
• Querysets no longer have a default order unless order_by is called
• Added autocreate flag to database initializer
• Fix some Python 2/3 incompatibilities (TvoroG, tsionyx)
• To work around a JOIN bug in ClickHouse, $table now inserts only the table name, and the database name is sent in the query params instead

v0.9.0

• Major new feature: building model queries using QuerySets
• Refactor and expand the documentation
• Add support for FixedString fields
• Add support for more engine types: TinyLog, Log, Memory
• Bug fix: Do not send readonly=1 when connection is already in readonly mode

v0.8.2

• Fix broken Python 3 support (M1hacka)

v0.8.1

• Add support for ReplacingMergeTree (leenr)
• Fix problem with SELECT WITH TOTALS (pilosus)
• Update serialization format of DateTimeField to 10 digits, zero padded (nikepan)
• Greatly improve performance when inserting large strings (credit to M1hacka for identifying the problem)
• Reduce memory footprint of Database.insert()

v0.8.0

• Always keep datetime fields in UTC internally, and convert server timezone to UTC when parsing query results
• Support for ALIAS and MATERIALIZED fields (M1ha)
• Pagination: passing -1 as the page number now returns the last page
• Accept datetime values for date fields (Zloool)
• Support readonly mode in Database class (tswr)
• Added support for the Buffer table engine (emakarov)
• Added the SystemPart readonly model, which provides operations on partitions (M1ha)
• Added Model.to_dict() that converts a model instance to a dictionary (M1ha)
• Added Database.raw() to perform arbitrary queries (M1ha)

v0.7.1

• Accept '0000-00-00 00:00:00' as a datetime value (tsionyx)
• Bug fix: parse_array fails on int arrays
• Improve performance when inserting many rows

v0.7.0

• Support array fields
• Support enum fields

v0.6.3

• Python 3 support