On 11/22/2010 07:46 AM, Pavel Stehule wrote:
Hello this patch remove a multiple detoasting of varlena values in plpgsql. It is usable mainly for iteration over longer array directly loaded from relation. It's doesn't have a impact on semantic or behave - it's just eliminate some performance trap. sample: table 10000 rows one column with array with 1000 string fields: patched pl time: 6 sec unpatched pl time: 170 sec
Since you haven't told us exactly how you tested this it's hard to gauge the test results.
cheers andrew -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
