HotFix: GetMessagesでtimeをtruncateする #1430
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MariaDB optimizer does not use temporal index if nanosecond is included in query, for some reason: this lead to almost full scan of the message table in timeline queries
logica0419
approved these changes
Apr 24, 2022
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nanosecond精度だとMariaDBがindexをなぜか使ってくれないため