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2019-01-14Refs #28643 -- Extracted DurationField logic for Avg() and Sum() into mixin.Nick Pope
Also addresses Sum() not handling the filter option correctly.
2019-01-14Refs #28643 -- Changed Avg() to use NumericOutputFieldMixin.Nick Pope
Keeps precision instead of forcing DecimalField to FloatField.
2019-01-14Refs #28643 -- Moved db function mixins to a separate module.Nick Pope
2019-01-14Avoided calling as_oracle() for SQLite in Left database function.Nick Pope
2019-01-14Corrected comment in TruncTime database function.Nick Pope
2019-01-14Simplified overriding source expressions in some database functions.Nick Pope
2019-01-12Refs #28643 -- Added Reverse database function.Nick Pope
Thanks Mariusz Felisiak for Oracle advice and review.
2019-01-10Refs #28643 -- Added NullIf database function.Mads Jensen
Thanks Nick Pope, Mariusz Felisiak, and Tim Graham for reviews.
2019-01-08Simplified some imports for database functions.Nick Pope
Used more specific modules to reduce the risk of circular imports.
2018-11-30Refs #28643 -- Skipped ATan2() workaround on SpatiaLite 5+.Nick Pope
2018-10-01Fixed #29767 -- Made date-related casts work on SQLiteClaude Paroz
Thanks Rémy Hubscher for the report and Tim Graham and Simon Charette for the reviews.
2018-09-10Fixed #29500 -- Fixed SQLite function crashes on null values.Srinivas Reddy Thatiparthy
Co-authored-by: Srinivas Reddy Thatiparthy <thatiparthysreenivas@gmail.com> Co-authored-by: Nick Pope <nick.pope@flightdataservices.com>
2018-08-23Fixed #29048 -- Added **extra_context to database function as_vendor() methods.priyanshsaxena
2018-08-18Fixed #28649 -- Added ExtractIsoYear database function and iso_year lookup.Sigurd Ljødal
2018-08-07Fixed #29648 -- Fixed crash when using subqueries inside datetime truncation ↵Raphael Michel
functions.
2018-07-05Refs #26608 -- Removed unneeded name attribute in window functions.Mads Jensen
2018-07-05Refs #28643 -- Added math database functions.Junyi Jiao
Thanks Nick Pope for much review.
2018-04-03Refs #28643 -- Added Repeat database function.Mariusz Felisiak
Thanks Tim Graham and Nick Pope for reviews.
2018-04-03Fixed #29251 -- Added bytes to str conversion in LPad/RPad database ↵Mariusz Felisiak
functions on MySQL. Thanks Tim Graham for the review.
2018-03-19Refs #28643 -- Added LPad and RPad database functions.Mariusz Felisiak
Thanks Tim Graham for the review.
2018-03-15Refs #28643 -- Added LTrim, RTrim, and Trim database functions.Mariusz Felisiak
Thanks Tim Graham and Mads Jensen for reviews.
2018-02-23Refs #28643 -- Added Ord, Chr, Left, and Right database functions.bobort
2018-01-27Fixed #28650 -- Added TruncWeek database function.Sigurd Ljødal
2018-01-17Refs #28643 -- Added Replace database function.Mads Jensen
2018-01-17Fixed #28857 -- Fixed invalid SQL when using Cast with complex expressions ↵hayashi
on PostgreSQL.
2017-12-27Fixed #28967 -- Prevented Cast to FloatField from rounding to integer on MySQL.Sergey Fedoseev
2017-10-13Refs #28643 -- Reorganized database functions.Mariusz Felisiak
Thanks Tim Graham for the review.
2017-09-18Fixed #26608 -- Added support for window expressions (OVER clause).Mads Jensen
Thanks Josh Smeaton, Mariusz Felisiak, Sergey Fedoseev, Simon Charettes, Adam Chainz/Johnson and Tim Graham for comments and reviews and Jamie Cockburn for initial patch.
2017-09-11Fixed #28492 -- Defined default output_field of expressions at the class level.Simon Charette
This wasn't possible when settings were accessed during Field initialization time as our test suite setup script was triggering imports of expressions before settings were configured.
2017-09-07Removed unneeded __init__() methods.Sergey Fedoseev
2017-07-31Removed unneeded TruncBase.arity.Sergey Fedoseev
Uneeded since its introduction in 2a4af0ea43512370764303d35bc5309f8abce666.
2017-07-26Allowed database backends to specify data types for Cast().Mariusz Felisiak
A small refactor ahead of refs #28371.
2017-07-20Fixed #28370 -- Deprecated the context arg of Field.from_db_value() and ↵Tim Graham
Expression.convert_value(). Unused since a0d166306fbdc41f49e6fadf4ec84b17eb147daa.
2017-07-17Fixed #28391 -- Fixed Cast() with CharField and max_length on MySQL.Mariusz Felisiak
Thanks Tim Graham for the review.
2017-07-14Fixed #28394 -- Allowed setting BaseExpression.output_field (renamed from ↵Sergey Fedoseev
_output_field).
2017-06-28Fixed #27473 -- Added DurationField support to Extract.Daniel Hahler
2017-06-21Fixed #28329 -- Fixed Cast() with ↵Mariusz Felisiak
Big/Small/Positive/PositiveSmallIntegerField on MySQL.
2017-06-08Fixed #28103 -- Added quarter extract, truncation, and lookup.Mads Jensen
Thanks Mariusz Felisiak, Tim Graham, and Adam Johnson for review.
2017-04-03Refs #27834 -- Removed Value wrapping from StrIndex's substring param.Adam Johnson
2017-03-29Refs #18247 -- Fixed SQLite QuerySet filtering on decimal result of Least ↵Sergey Fedoseev
and Greatest.
2017-03-23Removed unneeded Value wraps in Substr.Sergey Fedoseev
Unneeded since e2d6e14662d780383e18066a3182155fb5b7747b.
2017-03-14Fixed #27834 -- Added StrIndex database function.Brad Melin
2017-02-28Refs #27656 -- Updated django.db docstring verbs according to PEP 257.Anton Samarchyan
2017-02-06Fixed #27802 -- Unified return value of db backend datetime SQL methods.Mariusz Felisiak
2017-02-01Refs #23919 -- Replaced kwargs.pop() with keyword-only arguments.Vytis Banaitis
2017-01-25Refs #23919 -- Replaced super(ClassName, self) with super().chillaranand
2017-01-19Refs #23919 -- Stopped inheriting from object to define new style classes.Simon Charette
2017-01-18Refs #23919 -- Removed encoding preambles and future importsClaude Paroz
2016-11-11Fixed #25240 -- Added ExtractWeek and exposed it through the __week lookup.Mads Jensen
Thanks to Mariusz Felisiak and Tim Graham for review.
2016-11-10Removed redundant DateTimeField.register_lookup()s.Tim Graham
DateTimeField inherits these lookups from DateField.
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