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Bug in sample(frac=) expression #1423

sandhujasmine opened this issue Feb 19, 2016 · 1 comment


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commented Feb 19, 2016

When randomly sampling a fraction of the results for an SQL backend, it always returns 1 row - tested against postgres. Will update test_postgres_compute() to include a failing test right after opening this issues so it can be referenced in the xfail.

The following expression always returns 1 row regardless of the number of rows contained in the nyc table (test in postgres backend): result2 = compute(t.sample(frac=0.5), nyc)

@sandhujasmine sandhujasmine changed the title Bug in `sample(frac=)` expression Bug in sample(frac=) expression Feb 19, 2016

@kwmsmith kwmsmith added the bug label Feb 19, 2016

@kwmsmith kwmsmith added this to the 0.10 milestone Feb 19, 2016

@kwmsmith kwmsmith self-assigned this Feb 19, 2016

@llllllllll llllllllll added the sql label Feb 19, 2016


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commented Feb 22, 2016

PR #1425 addresses this issue.

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