From 51c8083b48ff3d80cc0edef6132e1cd0059d67f1 Mon Sep 17 00:00:00 2001
From: Shay Rojansky <roji@roji.org>
Date: Mon, 20 Oct 2025 22:34:46 +0200
Subject: [PATCH] Fix store type name base for JSON-nested scalar collections

Fixes #3642
---
 src/EFCore.PG/Storage/Internal/NpgsqlTypeMappingSource.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/EFCore.PG/Storage/Internal/NpgsqlTypeMappingSource.cs b/src/EFCore.PG/Storage/Internal/NpgsqlTypeMappingSource.cs
index ca7140f19..c2d7adcb8 100644
--- a/src/EFCore.PG/Storage/Internal/NpgsqlTypeMappingSource.cs
+++ b/src/EFCore.PG/Storage/Internal/NpgsqlTypeMappingSource.cs
@@ -742,7 +742,8 @@ public NpgsqlTypeMappingSource(
             // In addition, at least in theory users may decide to map to JSON instead of array even outside JSON documents.
             case "jsonb" or "json" when modelClrType is not null:
                 return base.FindCollectionMapping(
-                    new RelationalTypeMappingInfo(modelClrType, (RelationalTypeMapping?)elementMapping, storeType),
+                    new RelationalTypeMappingInfo(
+                        modelClrType, (RelationalTypeMapping?)elementMapping, storeTypeName: storeType, storeTypeNameBase: storeType),
                     modelClrType,
                     providerClrType,
                     elementMapping);