Allow ShowBufferUsage() to report the number of reads/writes that have
commit48a6cae4cf4b4c737fe5844b91b11d4e4c77875f
authortgl <tgl>
Wed, 17 Sep 2008 13:15:55 +0000 (17 13:15 +0000)
committertgl <tgl>
Wed, 17 Sep 2008 13:15:55 +0000 (17 13:15 +0000)
tree7ee4ac3624136e800594cd0f6dc46084f92e62cd
parent4e5461586cec64be2755343471eb0f5228c416f2
Allow ShowBufferUsage() to report the number of reads/writes that have
occurred to temporary files.  This replaces the unused
NDirectFileRead/NDirectFileWrite counters.

Itagaki Takahiro
src/backend/storage/buffer/buf_init.c
src/backend/storage/buffer/bufmgr.c
src/backend/storage/file/buffile.c
src/include/executor/execdebug.h
src/include/storage/buf_internals.h