4 files changed, 33 insertions, 0 deletions
diff --git a/src/include/commands/wait.h b/src/include/commands/wait.h
new file mode 100644
index 00000000000..ce332134fb3
--- /dev/null
+++ b/src/include/commands/wait.h
@@ -0,0 +1,22 @@
+/*-------------------------------------------------------------------------
+ *
+ * wait.h
+ *	  prototypes for commands/wait.c
+ *
+ * Portions Copyright (c) 2025, PostgreSQL Global Development Group
+ *
+ * src/include/commands/wait.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef WAIT_H
+#define WAIT_H
+
+#include "nodes/parsenodes.h"
+#include "parser/parse_node.h"
+#include "tcop/dest.h"
+
+extern void ExecWaitStmt(ParseState *pstate, WaitStmt *stmt, DestReceiver *dest);
+extern TupleDesc WaitStmtResultDesc(WaitStmt *stmt);
+
+#endif							/* WAIT_H */
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h
index ecbddd12e1b..d14294a4ece 100644
--- a/src/include/nodes/parsenodes.h
+++ b/src/include/nodes/parsenodes.h
@@ -4385,4 +4385,12 @@ typedef struct DropSubscriptionStmt
 	DropBehavior behavior;		/* RESTRICT or CASCADE behavior */
 } DropSubscriptionStmt;
 
+typedef struct WaitStmt
+{
+	NodeTag		type;
+	char	   *lsn_literal;	/* LSN string from grammar */
+	List	   *options;		/* List of DefElem nodes */
+} WaitStmt;
+
+
 #endif							/* PARSENODES_H */
diff --git a/src/include/parser/kwlist.h b/src/include/parser/kwlist.h
index 84182eaaae2..5d4fe27ef96 100644
--- a/src/include/parser/kwlist.h
+++ b/src/include/parser/kwlist.h
@@ -270,6 +270,7 @@ PG_KEYWORD("location", LOCATION, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("lock", LOCK_P, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("locked", LOCKED, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("logged", LOGGED, UNRESERVED_KEYWORD, BARE_LABEL)
+PG_KEYWORD("lsn", LSN_P, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("mapping", MAPPING, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("match", MATCH, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("matched", MATCHED, UNRESERVED_KEYWORD, BARE_LABEL)
@@ -496,6 +497,7 @@ PG_KEYWORD("view", VIEW, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("views", VIEWS, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("virtual", VIRTUAL, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("volatile", VOLATILE, UNRESERVED_KEYWORD, BARE_LABEL)
+PG_KEYWORD("wait", WAIT, UNRESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("when", WHEN, RESERVED_KEYWORD, BARE_LABEL)
 PG_KEYWORD("where", WHERE, RESERVED_KEYWORD, AS_LABEL)
 PG_KEYWORD("whitespace", WHITESPACE_P, UNRESERVED_KEYWORD, BARE_LABEL)
diff --git a/src/include/tcop/cmdtaglist.h b/src/include/tcop/cmdtaglist.h
index d250a714d59..c4606d65043 100644
--- a/src/include/tcop/cmdtaglist.h
+++ b/src/include/tcop/cmdtaglist.h
@@ -217,3 +217,4 @@ PG_CMDTAG(CMDTAG_TRUNCATE_TABLE, "TRUNCATE TABLE", false, false, false)
 PG_CMDTAG(CMDTAG_UNLISTEN, "UNLISTEN", false, false, false)
 PG_CMDTAG(CMDTAG_UPDATE, "UPDATE", false, false, true)
 PG_CMDTAG(CMDTAG_VACUUM, "VACUUM", false, false, false)
+PG_CMDTAG(CMDTAG_WAIT, "WAIT", false, false, false)