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executemany bad benchmark results #556

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hivemall opened this issue Apr 14, 2020 · 1 comment
Open

executemany bad benchmark results #556

hivemall opened this issue Apr 14, 2020 · 1 comment

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@hivemall
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@hivemall hivemall commented Apr 14, 2020 •
edited

inserting via for loop await conn.execute(sql, arg1,..) is twice as fast vs one conn.executemany(sql, argslist) on a prebuilt argument list on repeating tests.
What is wrong with executemany, just curious.

execute 6.573141098022461 +- 0.05
executemany 9.750076532363892

fyi: conn.copy_records_to_table: 0.1228935718536377
@hivemall hivemall changed the title executemany bad benchmark executemany bad benchmark results Apr 14, 2020
@elprans
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@elprans elprans commented Apr 14, 2020

See #295
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@elprans @hivemall
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