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Invalid concatenation for multiple parquet files with different columns structure #51

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ktrueda opened this issue Jan 2, 2024 · 0 comments

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ktrueda commented Jan 2, 2024

If users specify multiple parquet files which has different column structure, the outcome is concat with column direction (not row direction).

$ poetry run parquet-tools csv ./tests/test1.parquet ./tests/test0.parquet
one,two,three,a,b,c,d
-1.0,foo,True,,,,
,bar,False,,,,
2.5,baz,True,,,,

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