vthemelis opened a new issue, #44650:
URL: https://github.com/apache/arrow/issues/44650
### Describe the bug, including details regarding any error messages,
version, and platform.
In the Schema class, there are three methods used to retrieve individual
fields:
```csharp
public class Schema
{
// ...
public Field GetFieldByName(string name) =>
FieldsLookup[name].FirstOrDefault();
public int GetFieldIndex(string name, StringComparer comparer)
{
IEqualityComparer<string> equalityComparer =
(IEqualityComparer<string>)comparer;
return GetFieldIndex(name, equalityComparer);
}
public int GetFieldIndex(string name, IEqualityComparer<string> comparer
= default)
{
// Implementation using the specified comparer
}
}
```
The first method (GetFieldByName) use the default string comparer, while the
latter two (GetFieldIndex overloads) allow specifying a custom StringComparer
or IEqualityComparer<string>. This inconsistency can be confusing, as it is
unclear when custom comparers are utilized.
### Component(s)
C#
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