Infi.clickhouse-orm

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- 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()

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- 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)

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- 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

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- Support array fields
- Support enum fields

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- Python 3 support