1 files changed, 28 insertions, 0 deletions
diff --git a/contrib/pg_buffercache/pg_buffercache--1.3--1.4.sql b/contrib/pg_buffercache/pg_buffercache--1.3--1.4.sql
new file mode 100644
index 0000000..d5aebf3
--- /dev/null
+++ b/contrib/pg_buffercache/pg_buffercache--1.3--1.4.sql
@@ -0,0 +1,28 @@
+/* contrib/pg_buffercache/pg_buffercache--1.3--1.4.sql */
+
+-- complain if script is sourced in psql, rather than via ALTER EXTENSION
+\echo Use "ALTER EXTENSION pg_buffercache UPDATE TO '1.4'" to load this file. \quit
+
+CREATE FUNCTION pg_buffercache_summary(
+    OUT buffers_used int4,
+    OUT buffers_unused int4,
+    OUT buffers_dirty int4,
+    OUT buffers_pinned int4,
+    OUT usagecount_avg float8)
+AS 'MODULE_PATHNAME', 'pg_buffercache_summary'
+LANGUAGE C PARALLEL SAFE;
+
+CREATE FUNCTION pg_buffercache_usage_counts(
+    OUT usage_count int4,
+    OUT buffers int4,
+    OUT dirty int4,
+    OUT pinned int4)
+RETURNS SETOF record
+AS 'MODULE_PATHNAME', 'pg_buffercache_usage_counts'
+LANGUAGE C PARALLEL SAFE;
+
+-- Don't want these to be available to public.
+REVOKE ALL ON FUNCTION pg_buffercache_summary() FROM PUBLIC;
+GRANT EXECUTE ON FUNCTION pg_buffercache_summary() TO pg_monitor;
+REVOKE ALL ON FUNCTION pg_buffercache_usage_counts() FROM PUBLIC;
+GRANT EXECUTE ON FUNCTION pg_buffercache_usage_counts() TO pg_monitor;