feat(ai): pgvector embedding infrastructure (#19)

2026-07-02 03:00:06 +02:00
parent d78fe601ff
commit 2056548702
10 changed files with 854 additions and 5 deletions
@@ -0,0 +1,50 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Pgvector;
+
+#nullable disable
+
+namespace InboxIntel.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddEmbeddingColumn : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterDatabase()
+                .Annotation("Npgsql:PostgresExtension:pg_trgm", ",,")
+                .Annotation("Npgsql:PostgresExtension:vector", ",,")
+                .OldAnnotation("Npgsql:PostgresExtension:pg_trgm", ",,");
+
+            migrationBuilder.AddColumn<Vector>(
+                name: "Embedding",
+                table: "emails",
+                type: "vector(768)",
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_emails_Embedding",
+                table: "emails",
+                column: "Embedding")
+                .Annotation("Npgsql:IndexMethod", "hnsw")
+                .Annotation("Npgsql:IndexOperators", new[] { "vector_cosine_ops" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_emails_Embedding",
+                table: "emails");
+
+            migrationBuilder.DropColumn(
+                name: "Embedding",
+                table: "emails");
+
+            migrationBuilder.AlterDatabase()
+                .Annotation("Npgsql:PostgresExtension:pg_trgm", ",,")
+                .OldAnnotation("Npgsql:PostgresExtension:pg_trgm", ",,")
+                .OldAnnotation("Npgsql:PostgresExtension:vector", ",,");
+        }
+    }
+}