polydbms / sheetreader-duckdb

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SheetReader produces duplicated row when multi-threading? #21

Closed freddie-freeloader closed 4 months ago

freddie-freeloader commented 5 months ago

I found with 4 threads and midbig.xlsx a location for row 464 in fsheet.mLocationInfos[0][118] and fsheet.mLocationInfos[3][116].

freddie-freeloader commented 5 months ago

When using fsheet.nextRow() the row is only returned once. :heavy_check_mark:

freddie-freeloader commented 4 months ago

Half of the columns are in the last thread and half of them in first thread

freddie-freeloader commented 4 months ago

Document this in Report. (for 50,000 we have ~400 “halved” rows)