Re: Query Performance with Indexes on Integer type vs. Date type.
От
Tom Lane
Тема
Re: Query Performance with Indexes on Integer type vs. Date type.
Дата
Msg-id
17017.1303920717@sss.pgh.pa.us
Ответ на
Query Performance with Indexes on Integer type vs. Date type. (Dhimant Patel)
Список
Дерево обсуждения
Query Performance with Indexes on Integer type vs. Date type. Dhimant Patel <drp4kri@gmail.com>
Re: Query Performance with Indexes on Integer type vs. Date type. Tom Lane <tgl@sss.pgh.pa.us>
Re: Query Performance with Indexes on Integer type
vs. Date type. "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Re: Query Performance with Indexes on Integer type vs. Date type. Phoenix Kiula <phoenix.kiula@gmail.com>
Re: Query Performance with Indexes on Integer type vs. Date type. Dhimant Patel <drp4kri@gmail.com>
Re: Query Performance with Indexes on Integer type vs. Date type. Maciek Sakrejda <msakrejda@truviso.com>
Dhimant Patel writes: > From my initial read on documentation I believe internally a date type is > represented by integer type of data. This makes me wonder would it make any > good to create additional column of Integer type and update it as data gets > added and use this integer column for all ordering purposes for my sqls - or > should I not hasitate using Date type straight into my sql for ordering? Don't overcomplicate things. Comparison of dates is just about as fast as comparison of integers, anyway. regards, tom lane
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