fix Valgrind startup & config

Author: funbringer

.travis.yml

@@ -21,6 +21,7 @@ env:
     - PG_VERSION=10 LEVEL=nightmare
     - PG_VERSION=10 LEVEL=hardcore
     - PG_VERSION=10
+    - PG_VERSION=9.6 LEVEL=nightmare
     - PG_VERSION=9.6 LEVEL=hardcore
     - PG_VERSION=9.6
     - PG_VERSION=9.5 LEVEL=hardcore
@@ -29,3 +30,4 @@ env:
 matrix:
     allow_failures:
         - env: PG_VERSION=10 LEVEL=nightmare
+        - env: PG_VERSION=9.6 LEVEL=nightmare

run_tests.sh

@@ -106,7 +106,6 @@ if [ "$LEVEL" = "nightmare" ]; then
 		--trace-children=yes \
 		--gen-suppressions=all \
 		--suppressions=$CUSTOM_PG_SRC/src/tools/valgrind.supp \
-		--suppressions=$PWD/valgrind.supp \
 		--log-file=/tmp/valgrind-%p.log \
 		pg_ctl start -l /tmp/postgres.log -w || status=$?
 else

src/hooks.c

@@ -826,6 +826,8 @@ pathman_relcache_hook(Datum arg, Oid relid)
 	if (relid == InvalidOid)
 	{
 		invalidate_pathman_status_info_cache();
+
+		/* FIXME: reset other caches as well */
 	}
 
 	/* Invalidation event for PATHMAN_CONFIG table (probably DROP) */