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### Description of the requested feature
Add the following string case related functions to the expression language:
- `lower(string) -> string`
- `upper(string) -> string`
I don't other convers…
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### Checks
- [X] I have checked that this issue has not already been reported.
- [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars.
### Re…
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Hi, i noticed this difference while testing things:
```ksy
meta:
id: substring_diff
instances:
a:
value: '"hello".substring(4,1)'
```
ksdump (ruby):
```console
$ docker run -v "$…
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Hi,
Here is my json schema:
"image": {
"type": "string",
"pattern": "^((http://|https://)?(www)?)+(\.?([\w/]))+\.?([\w])+?$"
},
but when I input data like:
{
"i…
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_From @ansis on January 15, 2015 20:32_
We've talked about this before but it was never implemented. How would it be specified?
Carto uses `=~`. We could also use `regex`.
_Copied from original is…
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Basically the idea is to print text conditionnaly, for example :
`${if(n300+n200+n100+n50+nmiss,'X','')}`
Prints X when still having full marvelous and nothing when you hit something else.
If th…
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# Bug report
### Bug description:
We noticed a behavior change between 3.11 and 3.12. The following code calls `Foo.__bool__` once in 3.11 and twice in 3.12. Consequently for this contrived example,…
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### Current Behavior
When creating EventBridge Schedule with the `CreateSchedule` operation, passing an invalid `S…
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In polars converting from string to integer (say) and vice versa is accomplished in an expression by `cast`ing between types. For example `pl.col("a").cast(pl.String)`.
In libcudf, this is possible…
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**Assemblies affected**
ASP.NET Core OData 8.2.5
Microsoft.EntityFrameworkCore 8.0.6
[EDIT] SqlServer 8.0.6
**Describe the bug**
In combination with EF and SplitToTable I get an error "Syst…