From 35a8712eefe9265d1d301b54576597968e6c4ea6 Mon Sep 17 00:00:00 2001
From: Fabrice Lecomte <fabrice.lecomte.be@gmail.com>
Date: Sat, 27 Feb 2021 01:29:21 +0100
Subject: [PATCH] fix select on query with no result

---
 src/main/kotlin/fr/postgresjson/connexion/Connection.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
index a486098..a09ec1e 100644
--- a/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
+++ b/src/main/kotlin/fr/postgresjson/connexion/Connection.kt
@@ -59,7 +59,7 @@ class Connection(
             it is EntityI && typeReference.type.typeName == it::class.java.name
         } as R?
         val result = exec(sql, compileArgs(values))
-        val json = result.rows[0].getString(0)
+        val json = result.rows.firstOrNull()?.getString(0)
         return if (json === null) {
             null
         } else {