Update obsolete comment in index_drop(). When the comment was written,
commitaf23b3a89d72a3b5c115d1ca86923c310bf242bd
authortgl <tgl>
Sun, 31 May 2009 20:55:37 +0000 (31 20:55 +0000)
committertgl <tgl>
Sun, 31 May 2009 20:55:37 +0000 (31 20:55 +0000)
tree76f6a12bcfc17948c4f24a0bb57de8c271f4f5aa
parentebe23d302470c7972e71ffb72119258fa8611b90
Update obsolete comment in index_drop().  When the comment was written,
queries frequently took no lock at all on individual indexes.  That's not
true any more, but we still need lock on the parent table to make it safe
to use cached lists of index OIDs.
src/backend/catalog/index.c