django.db.models.functions

package documentation

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 ​Cos Undocumented
Class ​Cot Undocumented
Class ​Degrees Undocumented
Class ​Exp Undocumented
Class ​Extract Undocumented
Class ​Extract​Day Undocumented
Class ​Extract​Hour Undocumented
Class ​Extract​Iso​Week​Day Return Monday=1 through Sunday=7, based on ISO-8601.
Class ​Extract​Iso​Year Return the ISO-8601 week-numbering year.
Class ​Extract​Minute Undocumented
Class ​Extract​Month Undocumented
Class ​Extract​Quarter Undocumented
Class ​Extract​Second Undocumented
Class ​Extract​Week Return 1-52 or 53, based on ISO-8601, i.e., Monday is the first of the week.
Class ​Extract​Week​Day Return Sunday=1 through Saturday=7.
Class ​Extract​Year 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 ​Null​If 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 ​Str​Index 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 ​Trunc​Date Undocumented
Class ​Trunc​Day Undocumented
Class ​Trunc​Hour Undocumented
Class ​Trunc​Minute Undocumented
Class ​Trunc​Month Undocumented
Class ​Trunc​Quarter Undocumented
Class ​Trunc​Second Undocumented
Class ​Trunc​Time Undocumented
Class ​Trunc​Week Truncate to midnight on the Monday of the week.
Class ​Trunc​Year Undocumented
Class ​Upper Undocumented
Class ​Concat​Pair Concatenate two arguments together. This is used by Concat because not all backend databases support more than two arguments.