Avoid allocating unnecessary zero-sized array. If there are no aggregates, there is no need to allocate an array of zero AggStatePerGroupData elements.
Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/3649133b147638f25933c93e3d4f6b920da50332 Modified Files -------------- src/backend/executor/nodeAgg.c | 29 ++++++++++++++++++++++------- 1 file changed, 22 insertions(+), 7 deletions(-)
