init

db_include/utils/spccache.h

@@ -0,0 +1,21 @@
+/*-------------------------------------------------------------------------
+ *
+ * spccache.h
+ *	  Tablespace cache.
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/spccache.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef SPCCACHE_H
+#define SPCCACHE_H
+
+void		get_tablespace_page_costs(Oid spcid, float8 *spc_random_page_cost,
+									  float8 *spc_seq_page_cost);
+int			get_tablespace_io_concurrency(Oid spcid);
+int			get_tablespace_maintenance_io_concurrency(Oid spcid);
+
+#endif							/* SPCCACHE_H */