#31839: Add additional database functions.
-------------------------------------+-------------------------------------
Reporter: Nick Pope | Owner: Nick Pope
Type: New feature | Status: assigned
Component: Database layer | Version: master
(models, ORM) |
Severity: Normal | Resolution:
Keywords: functions, random, | Triage Stage:
truncate, log2, log10, bit | Unreviewed
length, octet length, hyperbolic |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by Nick Pope:
Old description:
> I propose adding some additional database functions:
>
> - `Random` -- generate random numbers in the range `[0.0, 0.1)`.
> - `Truncate` -- round number towards zero. (SQL function is `TRUNC`, but
> `Trunc` is used for date truncation in Django.)
> - `Log2` and `Log10` -- simple logarithm functions without needing to
> provide the base.
> - `ACosh`, `ASinh`, `ATanh`, `Cosh`, `Sinh`, and `Tanh` -- hyperbolic
> functions.
> - `BitLength` and `OctetLength` -- length of string in bits and bytes,
> complement to `Length` which is character length.
New description:
I propose adding some additional database functions:
- `Random` -- generate random numbers in the range `[0.0, 0.1)`.
- `Truncate` -- round number towards zero. (SQL function is `TRUNC`, but
`Trunc` is used for date truncation in Django.)
- `Log2` and `Log10` -- simple logarithm functions without needing to
provide the base.
- `ACosh`, `ASinh`, `ATanh`, `Cosh`, `Sinh`, and `Tanh` -- hyperbolic
functions.
- `BitLength` and `ByteLength` -- length of string in bits and bytes,
complement to `Length` which is character length.
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Ticket URL: <https://code.djangoproject.com/ticket/31839#comment:3>
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