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Improve performance of casting StringView/BinaryView to DictionaryArray #5872

Merged
merged 10 commits into from
Jun 13, 2024
Merged

Improve performance of casting StringView/BinaryView to DictionaryArray #5872

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63db275
zero-copy dict to view
XiangpengHao Jun 11, 2024
bc626fe
view to dict
XiangpengHao Jun 11, 2024
0308dd4
refactor to use try_append_view
XiangpengHao Jun 11, 2024
c27d548
unchecked view
XiangpengHao Jun 11, 2024
8978134
Merge branch 'view-to-dict' into dict-to-view
XiangpengHao Jun 11, 2024
fdebc0e
make fmt happy
XiangpengHao Jun 11, 2024
c951711
Merge branch 'view-to-dict' into dict-to-view
XiangpengHao Jun 11, 2024
cd8457e
update test
XiangpengHao Jun 11, 2024
9331077
add comments
XiangpengHao Jun 11, 2024
89d0b98
Merge remote-tracking branch 'apache/master' into dict-to-view
alamb Jun 13, 2024
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make fmt happy
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@XiangpengHao
XiangpengHao committed Jun 11, 2024
commit fdebc0e27dac82b2f2781afe43478d67a0da280f
2 changes: 1 addition & 1 deletion arrow-cast/src/cast/dictionary.rs
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Expand Up @@ -132,7 +132,7 @@ fn view_from_dict_values<K: ArrowDictionaryKeyType, T: ByteViewType, V: ByteArra

// Safety
// (1) The index is within bounds as they are offsets
// (2) The append_view is safe
// (2) The append_view is safe
unsafe {
let offset = value_offsets.get_unchecked(idx).as_usize();
let end = value_offsets.get_unchecked(idx + 1).as_usize();
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