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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.
### Reprodu…
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@09012000-tosca
In the [logsheet_schema_extended.csv](https://github.com/emo-bon/observatory-profile/blob/main/logsheet_schema_extended.csv)
change the definitions of size_frac_low and size_frac_up.…
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Current: https://github.com/FasterXML/jackson-dataformats-text/tree/master/csv
```
File csvFile = new File(fileName);
CsvMapper mapper = new CsvMapper();
CsvSchema schema =...
MappingIterator i…
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This section currently looks something like this:
```json
"inputs": {
"dataset": {
"name": "India.DataFile.csv",
"format": "csv",
"delimiter": ",",
"encodi…
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### Describe the bug, including details regarding any error messages, version, and platform.
**Directory partitioning breaks pyarrow.dataset.dataset when a list of files are passed in instead of a …
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Although I'm not aware (yet) of a tool that would use CSVW metadata as validation schema, CSVW enables ways to define what the content of the columns should be.
### Datatypes
Datatypes enable to type…
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when importing csv data with dates in the format `"%d-%b-%y"` or `"%d-%b-%Y"` an error is given in conversion:
example:
```python
import pyarrow as pa
from pyarrow import csv
data = b"a,b\n…
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I am trying to load in a csv input and have put following json schema but i can't see anyway for metorikku to interpret the timestamp format (ie yyyy-mm-dd hh: ..etc) of the csv column in order to c…
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It would be useful to have a general function that saves model output as a CSV or parquet file with the correct hub first formatting, with the following proposed formatting:
```
save_model_out_tbl…
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Add the schema matching competition dataset to ORE datasets:
- [ ] Clean up and standardize filenames and exact matches (no spaces in column and filenames, comma as separator, quotes for strings cont…