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Using the Tables.jl interface is slow #61

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aviks opened this issue Dec 26, 2021 · 0 comments

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aviks commented Dec 26, 2021 •

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Using the sqlite driver and the sample toursdb database, flights table (see package tests for details)

@time DataFrame(collect(JDBCRowIterator(rs)))
  0.100710 seconds (451.67 k allocations: 20.420 MiB)

@time JDBC.load(DataFrame, rs)
  0.770983 seconds (713.62 k allocations: 31.410 MiB, 2.18% gc time)

Some investigation has been reported upstream: JuliaData/Tables.jl#265

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