ARROW-16638: [Go][Parquet] Fix boolean column skip #13221
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| // buf is large enough to hold values, but not to hold def and rep lvls; use nil for them | ||
| vals, _, err := cr.ReadBatch(batch, | ||
| *(*[]bool)(unsafe.Pointer(&buf)), | ||
| arrow.Int16Traits.CastFromBytes(buf), | ||
| arrow.Int16Traits.CastFromBytes(buf)) | ||
| nil, | ||
| nil) |
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Please update the corresponding .tmpl file so that future calls to go generate don't clobber this. Otherwise this LGTM
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Thanks @mdepero! |
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Benchmark runs are scheduled for baseline = 7adda73 and contender = 5994fd8. 5994fd8 is a master commit associated with this PR. Results will be available as each benchmark for each run completes. |
Uses
nilfordefLvlsandrepLvlswhen skipping boolean values, since the scratch buffer allocated for n boolean values when skipping is not large enough to hold n def and rep levels, resulting in an out of bounds panic when skipping too many rows.