From 68afd1fc198af059f3d2e60a5ecb071463659c53 Mon Sep 17 00:00:00 2001
From: Andrew Nosenko <noseratio@gmail.com>
Date: Sat, 27 Dec 2025 21:41:37 +1100
Subject: [PATCH] support for MSSQL 2025 vector and json types

---
 src/Pingmint.CodeGen.Sql/Analyzer.cs            | 17 ++++++++++++++++-
 src/Pingmint.CodeGen.Sql/CodeFile.cs            |  1 +
 .../Pingmint.CodeGen.Sql.csproj                 |  2 +-
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/Pingmint.CodeGen.Sql/Analyzer.cs b/src/Pingmint.CodeGen.Sql/Analyzer.cs
index 77cdeb7..3331e7d 100644
--- a/src/Pingmint.CodeGen.Sql/Analyzer.cs
+++ b/src/Pingmint.CodeGen.Sql/Analyzer.cs
@@ -466,6 +466,8 @@ private async Task<List<GetTableTypeColumnsRow>> GetTableTypeColumnsAsync(SqlCon
                     "xml" => SqlDbType.Xml,
                     "uniqueidentifier" => SqlDbType.UniqueIdentifier,
                     "image" => SqlDbType.Image,
+                    "vector" => SqlDbType.Vector,
+                    "json" => SqlDbType.Json,
 
                     _ => (SqlDbType?)null,
                 } is not { } value)
@@ -502,7 +504,8 @@ SqlDbType.NText or
         SqlDbType.NVarChar or
         SqlDbType.Text or
         SqlDbType.VarChar or
-        SqlDbType.Xml
+        SqlDbType.Xml or
+        SqlDbType.Json
         => typeof(String),
 
         SqlDbType.DateTimeOffset => typeof(DateTimeOffset),
@@ -559,6 +562,18 @@ private async Task<CSharpTypeInfo> GetCSharpTypeInfoAsync(SqlConnection server,
             throw new InvalidOperationException("Could not find sys.types row for " + systemTypeId + ", " + userTypeId);
         }
 
+        if (foundSysType.Name == "vector")
+        {
+            _csharpTypeInfosById[(systemTypeId, userTypeId)] = cachedValue = new()
+            {
+                TypeRef = "SqlVector<float>",
+                TypeRefNullable = "SqlVector<float>?",
+                IsValueType = true,
+                SqlDbType = SqlDbType.Vector,
+            };
+            return cachedValue;
+        }
+
         if (!foundSysType.IsUserDefined)
         {
             if (await GetSqlDbTypeAsync(server, systemTypeId, userTypeId) is { } sqlDbType)
diff --git a/src/Pingmint.CodeGen.Sql/CodeFile.cs b/src/Pingmint.CodeGen.Sql/CodeFile.cs
index c969e72..5fca9b4 100644
--- a/src/Pingmint.CodeGen.Sql/CodeFile.cs
+++ b/src/Pingmint.CodeGen.Sql/CodeFile.cs
@@ -41,6 +41,7 @@ public String GenerateCode()
         code.UsingNamespace("System.Threading");
         code.UsingNamespace("System.Threading.Tasks");
         code.UsingNamespace("Microsoft.Data.SqlClient");
+        code.UsingNamespace("Microsoft.Data.SqlTypes");
         code.Line($"using static {Namespace}.FileMethods;");
         code.Line();
 
diff --git a/src/Pingmint.CodeGen.Sql/Pingmint.CodeGen.Sql.csproj b/src/Pingmint.CodeGen.Sql/Pingmint.CodeGen.Sql.csproj
index 29b6821..e65eae5 100644
--- a/src/Pingmint.CodeGen.Sql/Pingmint.CodeGen.Sql.csproj
+++ b/src/Pingmint.CodeGen.Sql/Pingmint.CodeGen.Sql.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <Version>0.48</Version>
+    <Version>0.49</Version>
     <OutputType>Exe</OutputType>
     <TargetFramework>net10.0</TargetFramework>
     <LangVersion>latest</LangVersion>