it is always delete temp table will slow down the postmaster?

From: Chun Yit(Chronos)
Subject: it is always delete temp table will slow down the postmaster?
Date: ,
Msg-id: 002001c59e26$11bc5bf0$a279640a@Beh
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List: pgsql-performance

>
>hi, i got one situation here, i create one pl/pgsql function that using temp table to store temporary data.
>wherever i execute my function, i need to delete all the data inside the temp table, but this will slow down the
>searching function if i conitnue to run the server because old tuples are not really clear if just using delete command.
>so i use drop table command and recreate the table. my question is, would it slow down the postmaster speed if i continue to
>run this searching function more than 300 time per day?, cause the speed for execute searching function will graduatelly increase
>after i test it for few day? anyway to test it is causing by the drop temp table and create temp table command?
>
>regards
>ivan

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