From 65e04acab6151e00f5ceabe3c783745d3e30553f Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Fri, 1 Sep 2023 00:07:38 -0700
Subject: [PATCH] Added missing headers for Postgres < 14

---
 src/hnsw.h      | 4 ++++
 src/hnswbuild.c | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/hnsw.h b/src/hnsw.h
index af39852..1ced9f6 100644
--- a/src/hnsw.h
+++ b/src/hnsw.h
@@ -15,6 +15,10 @@
 #error "Requires PostgreSQL 11+"
 #endif
 
+#if PG_VERSION_NUM < 120000
+#include "access/relscan.h"
+#endif
+
 #define HNSW_MAX_DIM 2000
 
 /* Support functions */
diff --git a/src/hnswbuild.c b/src/hnswbuild.c
index f298611..29fc9b9 100644
--- a/src/hnswbuild.c
+++ b/src/hnswbuild.c
@@ -3,6 +3,7 @@
 #include <math.h>
 
 #include "access/parallel.h"
+#include "access/xact.h"
 #include "catalog/index.h"
 #include "hnsw.h"
 #include "miscadmin.h"