Merge branch 'master' into custom_scan
Merge branch 'custom_scan' into ctidscan
Merge branch 'master' into postgres_fdw
Merge branch 'postgres_fdw' into cache_scan
Merge branch 'master' into custom_scan
Merge branch 'custom_scan' into ctidscan
Merge branch 'ctidscan' into postgres_fdw
Merge branch 'postgres_fdw' into cache_scan
Merge branch 'cache_scan' of github.com:kaigai/sepgsql into cache_scan
Merge branch 'cache_scan' of github.com:kaigai/sepgsql into cache_scan
fix memmove logic on do_insert_tuple()
change behavior around refcnt. (not sure whether it works fine)