On 2023-07-23 06:09:03 -0400, Gus Spier wrote: > Ah! Truncating a table does not entail all of WAL processes. From the > documentation, "TRUNCATE quickly removes all rows from a set of tables. It has > the same effect as an unqualified DELETE on each table, but since it does not > actually scan the tables it is faster. Furthermore, it reclaims disk space > immediately, rather than requiring a subsequent VACUUM operation. This is most > useful on large tables." https://www.postgresql.org/docs/14/sql-truncate.html I assumed that by "deleting the now empty table" you meant DROPing it. (Performing a «DELETE FROM t» just after a «TRUNCATE t» would obviously be pointless). So let me rephrase the question: What's the advantage of TRUNCATE t DROP t over just DROP t hp -- _ | Peter J. Holzer | Story must make more sense than reality. |_|_) | | | | | hjp@xxxxxx | -- Charles Stross, "Creative writing __/ | http://www.hjp.at/ | challenge!"
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