1 files changed, 49 insertions, 0 deletions
diff --git a/src/include/commands/cluster.h b/src/include/commands/cluster.h
new file mode 100644
index 0000000..a941f2a
--- /dev/null
+++ b/src/include/commands/cluster.h
@@ -0,0 +1,49 @@
+/*-------------------------------------------------------------------------
+ *
+ * cluster.h
+ *	  header file for postgres cluster command stuff
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994-5, Regents of the University of California
+ *
+ * src/include/commands/cluster.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef CLUSTER_H
+#define CLUSTER_H
+
+#include "nodes/parsenodes.h"
+#include "parser/parse_node.h"
+#include "storage/lock.h"
+#include "utils/relcache.h"
+
+
+/* flag bits for ClusterParams->flags */
+#define CLUOPT_RECHECK 0x01		/* recheck relation state */
+#define CLUOPT_VERBOSE 0x02		/* print progress info */
+
+/* options for CLUSTER */
+typedef struct ClusterParams
+{
+	bits32		options;		/* bitmask of CLUOPT_* */
+} ClusterParams;
+
+extern void cluster(ParseState *pstate, ClusterStmt *stmt, bool isTopLevel);
+extern void cluster_rel(Oid tableOid, Oid indexOid, ClusterParams *params);
+extern void check_index_is_clusterable(Relation OldHeap, Oid indexOid,
+									   bool recheck, LOCKMODE lockmode);
+extern void mark_index_clustered(Relation rel, Oid indexOid, bool is_internal);
+
+extern Oid	make_new_heap(Oid OIDOldHeap, Oid NewTableSpace, char relpersistence,
+						  LOCKMODE lockmode);
+extern void finish_heap_swap(Oid OIDOldHeap, Oid OIDNewHeap,
+							 bool is_system_catalog,
+							 bool swap_toast_by_content,
+							 bool check_constraints,
+							 bool is_internal,
+							 TransactionId frozenXid,
+							 MultiXactId minMulti,
+							 char newrelpersistence);
+
+#endif							/* CLUSTER_H */