From 8107857ee0aafc823df7cb5d00b2c87b7b2c3db6 Mon Sep 17 00:00:00 2001
From: Matt Beanland <beanland@live.com.au>
Date: Sat, 22 Aug 2026 00:02:56 +0930
Subject: [PATCH] fix: the length of an empty array is zero

---
 lib/expr.ex | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/expr.ex b/lib/expr.ex
index 4f86c90..3f4bff9 100644
--- a/lib/expr.ex
+++ b/lib/expr.ex
@@ -1293,9 +1293,11 @@ defmodule AshSql.Expr do
       %Fragment{
         embedded?: pred_embedded?,
         arguments: [
-          raw: "array_length((",
+          raw: "coalesce(array_length((",
           expr: list,
-          raw: "), 1)"
+          raw: "), 1), cardinality((",
+          expr: list,
+          raw: ")))"
         ]
       },
       bindings,