Kopilov Aleksandr
Kopilov Aleksandr
``` else -> { this.setCellValue(any.toString()) } ``` [here](https://github.com/Kotlin/dataframe/blob/bdcee02e4a374423e363d28f615d58e022da5c51/dataframe-excel/src/main/kotlin/org/jetbrains/kotlinx/dataframe/io/xlsx.kt#L353) might be one of them. Or you are looking for something more specific? The same case I have in saving to Arrow...
> Sounds like AnyFrame.convertTo Does it sound good? Saving "as is" wold be default behavior but since Arrow supports explicit schemas, I want to use them also. Some another system...
> So you want to make some dataframe to match specific schema and then save it Actually, yes. > df.writeArrow("file.feather", arrowSchema, Mode.Warning) Like this. [Currently](https://github.com/Kopilov/dataframe/blob/9d4b17415794bba5ff4f69661a601af32f6c528e/dataframe-arrow/src/main/kotlin/org/jetbrains/kotlinx/dataframe/io/ArrowWriter.kt#L74) it looks like `df.arrowWriter(arrowSchema)...//some combinations...
Main internal logic is [here](https://github.com/Kopilov/dataframe/blob/9d4b17415794bba5ff4f69661a601af32f6c528e/dataframe-arrow/src/main/kotlin/org/jetbrains/kotlinx/dataframe/io/ArrowWriter.kt#L210) but flags are still not exposed
May be, thanks
Returning to the issue topic, what do you think about addition dataframe feedback generally?
I think using standard logging levels would be enough. Example of using loggers inside the library can be found in Apache Arrow: [injecting the logger](https://github.com/apache/arrow/blob/cc7599360133e07458aa7e07562ade5b8c419d8c/java/vector/src/main/java/org/apache/arrow/vector/ipc/ArrowFileReader.java#L49), [writing logs](https://github.com/apache/arrow/blob/cc7599360133e07458aa7e07562ade5b8c419d8c/java/vector/src/main/java/org/apache/arrow/vector/ipc/ArrowFileReader.java#L221). Here I have...
@koperagen but what do you think about using logging inside DataFrame? For example, to print warning on some data loss (such as converting specific values to string or the situation...
> Currently the project has only two active contributors, so any help will be very much appreciated! Hello @nikitinas, what do you think about my last PR-s? Also I have...
Hello again. I am working with more complex unit test for Arrow reading. Will make PR a little later. Just now, you can look at data example and code it...