django.db.models.functions

package documentation
(source)

Undocumented

Module comparison Database functions that do comparisons or type conversions.
Module datetime Undocumented
Module math Undocumented
Module mixins Undocumented
Module text Undocumented
Module window Undocumented

From __init__.py:

Class Abs Undocumented
Class ACos Undocumented
Class ASin Undocumented
Class ATan Undocumented
Class ATan2 Undocumented
Class Cast Coerce an expression to a new field type.
Class Ceil Undocumented
Class Chr Undocumented
Class Coalesce Return, from left to right, the first non-null expression.
Class Collate Undocumented
Class Concat Concatenate text fields together. Backends that result in an entire null expression when any arguments are null will wrap each argument in coalesce functions to ensure a non-null result.
Class ConcatPair Concatenate two arguments together. This is used by `Concat` because not all backend databases support more than two arguments.
Class Cos Undocumented
Class Cot Undocumented
Class Degrees Undocumented
Class Exp Undocumented
Class Extract Undocumented
Class ExtractDay Undocumented
Class ExtractHour Undocumented
Class ExtractIsoWeekDay Return Monday=1 through Sunday=7, based on ISO-8601.
Class ExtractIsoYear Return the ISO-8601 week-numbering year.
Class ExtractMinute Undocumented
Class ExtractMonth Undocumented
Class ExtractQuarter Undocumented
Class ExtractSecond Undocumented
Class ExtractWeek Return 1-52 or 53, based on ISO-8601, i.e., Monday is the first of the week.
Class ExtractWeekDay Return Sunday=1 through Saturday=7.
Class ExtractYear Undocumented
Class Floor Undocumented
Class Greatest Return the maximum expression.
Class JSONObject Undocumented
Class Least Return the minimum expression.
Class Left No class docstring; 0/3 class variable, 1/4 method documented
Class Length Return the number of characters in the expression.
Class Ln Undocumented
Class Log Undocumented
Class Lower Undocumented
Class LPad Undocumented
Class LTrim Undocumented
Class MD5 Undocumented
Class Mod Undocumented
Class Now Undocumented
Class NullIf Undocumented
Class Ord Undocumented
Class Pi Undocumented
Class Power Undocumented
Class Radians Undocumented
Class Random Undocumented
Class Repeat Undocumented
Class Replace Undocumented
Class Reverse Undocumented
Class Right Undocumented
Class Round Undocumented
Class RPad Undocumented
Class RTrim Undocumented
Class SHA1 Undocumented
Class SHA224 Undocumented
Class SHA256 Undocumented
Class SHA384 Undocumented
Class SHA512 Undocumented
Class Sign Undocumented
Class Sin Undocumented
Class Sqrt Undocumented
Class StrIndex Return a positive integer corresponding to the 1-indexed position of the first occurrence of a substring inside another string, or 0 if the substring is not found.
Class Substr No class docstring; 0/2 class variable, 1/3 method documented
Class Tan Undocumented
Class Trim Undocumented
Class Trunc Undocumented
Class TruncDate Undocumented
Class TruncDay Undocumented
Class TruncHour Undocumented
Class TruncMinute Undocumented
Class TruncMonth Undocumented
Class TruncQuarter Undocumented
Class TruncSecond Undocumented
Class TruncTime Undocumented
Class TruncWeek Truncate to midnight on the Monday of the week.
Class TruncYear Undocumented
Class Upper Undocumented