Fix estimate_expression_value to constant-fold SQLValueFunction nodes.
Oversight in my commit 0bb51aa96. Noted while poking at a recent
bug report --- HEAD's estimates for a query using CURRENT_DATE
were unexpectedly much worse than 9.6's.
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/4e20511d5b8ba427730e09be45f9458f667f9c1e
Modified Files
--------------
src/backend/optimizer/util/clauses.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)