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Fix reading of single-row unterminated CSV files #17305
Merged
rapids-bot
merged 9 commits into
rapidsai:branch-24.12
from
vuule:bug-read_csv-single-row
Nov 14, 2024
Merged
Fix reading of single-row unterminated CSV files #17305
rapids-bot
merged 9 commits into
rapidsai:branch-24.12
from
vuule:bug-read_csv-single-row
Nov 14, 2024
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…bug-read_csv-single-row
…bug-read_csv-single-row
…bug-read_csv-single-row
3 tasks
vuule
commented
Nov 14, 2024
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std::vector<char> first_row = header; | ||
// Empty row, return empty column names vector | ||
if (row.empty()) { return {}; } |
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Turns out, the line terminator is cropped when it's the only character(s) on the line, so we don't need to account for that case. The only empty row is an actually empty line (zero characters).
Added tests for this assumption.
bdice
approved these changes
Nov 14, 2024
davidwendt
approved these changes
Nov 14, 2024
/merge |
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Labels
bug
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libcudf
Affects libcudf (C++/CUDA) code.
non-breaking
Non-breaking change
Python
Affects Python cuDF API.
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Description
Fixed the logic in the CSV reader that led to empty output instead of producing a table with a single column and one row.
Added tests to make sure the new logic does not cause regressions.
Also did some small clean up around the fix.
Checklist