From ac8b5b6ef88fe54cbdb5bbf6923e7a4dcfb6d66f Mon Sep 17 00:00:00 2001
From: "Jeremy D. Miller" <jeremydmiller@yahoo.com>
Date: Tue, 28 Apr 2026 18:58:36 -0500
Subject: [PATCH] Bump JasperFx 1.28.1 -> 1.28.2 to fix List<T> duplicate-field
 codegen (#3702)
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JasperFx 1.28.2 includes a fix to CodeFormatter.Write that emits
safe C# for any enum value — including bit-OR'd combinations on
non-[Flags] enums like Npgsql.NpgsqlDbType. Previously a member
declared as

    [DuplicateField(DbType = NpgsqlDbType.Array | NpgsqlDbType.Text,
                    PgType = "text[]", IndexMethod = IndexMethod.gin)]
    public List<string> ListOfStrings { get; set; }

would generate uncompilable source like

    parameter0.NpgsqlDbType = NpgsqlTypes.NpgsqlDbType.-2147483629;

because Enum.ToString returns the integer literal as a string for
undefined enum values. The JasperFx fix emits a checked cast for
those values: `((NpgsqlDbType)(-2147483629))`.

The reproduction test from elexisvenator's #3702 is preserved here
verbatim; the JasperFx-side fix lets it pass with no Marten code
change. Closes #3702.

Co-Authored-By: Ben Edwards <elexisvenator@users.noreply.github.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 Directory.Packages.props                      |  2 +-
 .../Bug_PR_3702_list_index_compile_error.cs   | 46 +++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 src/DocumentDbTests/Bugs/Bug_PR_3702_list_index_compile_error.cs

diff --git a/Directory.Packages.props b/Directory.Packages.props
index 5dff0ccc19..2b4419d268 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -13,7 +13,7 @@
     <PackageVersion Include="FluentAssertions" Version="6.12.0" />
     <PackageVersion Include="FSharp.Core" Version="9.0.100" />
     <PackageVersion Include="FSharp.SystemTextJson" Version="1.3.13" />
-    <PackageVersion Include="JasperFx" Version="1.28.1" />
+    <PackageVersion Include="JasperFx" Version="1.28.2" />
     <PackageVersion Include="JasperFx.Events" Version="1.31.0" />
     <PackageVersion Include="JasperFx.Events.SourceGenerator" Version="1.5.0">
       <PrivateAssets>all</PrivateAssets>
diff --git a/src/DocumentDbTests/Bugs/Bug_PR_3702_list_index_compile_error.cs b/src/DocumentDbTests/Bugs/Bug_PR_3702_list_index_compile_error.cs
new file mode 100644
index 0000000000..4ba32416f9
--- /dev/null
+++ b/src/DocumentDbTests/Bugs/Bug_PR_3702_list_index_compile_error.cs
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Marten;
+using Marten.Linq.MatchesSql;
+using Marten.Schema;
+using Marten.Testing.Harness;
+using NpgsqlTypes;
+using Weasel.Postgresql.Tables;
+using Xunit;
+
+namespace DocumentDbTests.Bugs;
+
+public class Bug_PR_3702_list_index_compile_error : BugIntegrationContext
+{
+    [Fact]
+    public async Task can_create_array_duplicate_column_on_a_list_field()
+    {
+        StoreOptions(opts =>
+        {
+            opts.RegisterDocumentType<DocWithIndexOnList>();
+        });
+
+        await theStore.Storage.ApplyAllConfiguredChangesToDatabaseAsync();
+
+        var newDoc = new DocWithIndexOnList { Id = Guid.NewGuid(), ListOfStrings = ["foo", "bar", "baz"] };
+        theSession.Store(newDoc);
+        await theSession.SaveChangesAsync();
+
+        List<string> arrayFilter = ["foo", "baz"];
+        var queriedDoc = await theSession.Query<DocWithIndexOnList>()
+            .Where(x => x.MatchesSql("d.list_of_strings @> ?", arrayFilter))
+            .FirstOrDefaultAsync();
+
+        Assert.Equal(newDoc.Id, queriedDoc.Id);
+    }
+
+    public class DocWithIndexOnList
+    {
+        public Guid Id { get; set; }
+
+        [DuplicateField(DbType = NpgsqlDbType.Array | NpgsqlDbType.Text, PgType = "text[]", IndexMethod = IndexMethod.gin)]
+        public List<string> ListOfStrings { get; set; }
+    }
+}