jorisvandenbossche opened a new pull request, #367:
URL: https://github.com/apache/arrow-nanoarrow/pull/367
Very draft PR, just putting here publicly what I experimented.
This is currently a minimal addition that just allows to inspect an array /
type:
```
In [1]: builder = pa.lib.StringViewBuilder()
...: builder.append("test")
...: builder.append("very long string that is not inlined")
...: builder.append(None)
...: builder.append("test")
...: arr = builder.finish()
In [2]: import nanoarrow as na
In [3]: na.c_schema(arr.type)
Out[3]:
<nanoarrow.c_lib.CSchema string_view>
- format: 'vu'
- name: ''
- flags: 2
- metadata: NULL
- dictionary: NULL
- children[0]:
In [4]: na.c_schema_view(arr.type)
Out[4]:
<nanoarrow.c_lib.CSchemaView>
- type: 'string_view'
- storage_type: 'string_view'
In [5]: na.c_array(arr)
Out[5]:
<nanoarrow.c_lib.CArray string_view>
- length: 4
- offset: 0
- null_count: 1
- buffers: (140250311598080, 140250311598144, 140250311598208,
94079215855408)
- dictionary: NULL
- children[0]:
In [4]: na.c_array_view(arr)
Out[4]:
<nanoarrow.c_lib.CArrayView>
- storage_type: 'string_view'
- length: 4
- offset: 0
- null_count: 1
- buffers[2]:
- <bool validity[1 b] 11010000>
- <string_view data[0 b] b''>
- dictionary: NULL
- children[0]:
```
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