From 1eed57310a93f8f5a6fdc80e70d576dca898cb48 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Wed, 9 Jun 2021 03:31:41 -0700
Subject: [PATCH] Use DBL_MAX for cost

---
 src/ivfflat.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/ivfflat.c b/src/ivfflat.c
index 29b8248..40442f9 100644
--- a/src/ivfflat.c
+++ b/src/ivfflat.c
@@ -1,5 +1,7 @@
 #include "postgres.h"
 
+#include <float.h>
+
 #include "access/amapi.h"
 #include "commands/vacuum.h"
 #include "ivfflat.h"
@@ -54,8 +56,8 @@ ivfflatcostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
 	/* Never use index without order */
 	if (path->indexorderbys == NULL)
 	{
-		*indexStartupCost = 1.0e10;
-		*indexTotalCost = 1.0e10;
+		*indexStartupCost = DBL_MAX;
+		*indexTotalCost = DBL_MAX;
 		*indexSelectivity = 0;
 		*indexCorrelation = 0;
 #if PG_VERSION_NUM >= 100000