Perf: Add composite database indexes for common queries

Add indexes for:
- (AccountId, Category) - account spending by category
- (AccountId, Date) - account transaction timelines
- (MerchantId, Date) - merchant spending trends
- (CardId, Date) - card activity analysis
- FileHashSha256 on Receipts - duplicate detection
- (TransactionId, ReceiptDate) on Receipts - receipt lookups

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

MoneyMap/Data/MoneyMapContext.cs

@@ -195,6 +195,16 @@ namespace MoneyMap.Data
             modelBuilder.Entity<Transaction>().HasIndex(x => x.Amount);
             modelBuilder.Entity<Transaction>().HasIndex(x => x.Category);
             modelBuilder.Entity<Transaction>().HasIndex(x => x.MerchantId);
+
+            // Composite indexes for common query patterns
+            modelBuilder.Entity<Transaction>().HasIndex(x => new { x.AccountId, x.Category });
+            modelBuilder.Entity<Transaction>().HasIndex(x => new { x.AccountId, x.Date });
+            modelBuilder.Entity<Transaction>().HasIndex(x => new { x.MerchantId, x.Date });
+            modelBuilder.Entity<Transaction>().HasIndex(x => new { x.CardId, x.Date });
+
+            // Receipt duplicate detection and lookup
+            modelBuilder.Entity<Receipt>().HasIndex(x => x.FileHashSha256);
+            modelBuilder.Entity<Receipt>().HasIndex(x => new { x.TransactionId, x.ReceiptDate });
         }
     }
 }

MoneyMap/Migrations/20251124231350_AddCompositeIndexes.Designer.cs

@@ -0,0 +1,620 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using MoneyMap.Data;
+
+#nullable disable
+
+namespace MoneyMap.Migrations
+{
+    [DbContext(typeof(MoneyMapContext))]
+    [Migration("20251124231350_AddCompositeIndexes")]
+    partial class AddCompositeIndexes
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.9")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("MoneyMap.Models.Account", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("AccountType")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Institution")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Last4")
+                        .IsRequired()
+                        .HasMaxLength(4)
+                        .HasColumnType("nvarchar(4)");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("Owner")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Institution", "Last4", "Owner");
+
+                    b.ToTable("Accounts");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Card", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("AccountId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Issuer")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Last4")
+                        .IsRequired()
+                        .HasMaxLength(4)
+                        .HasColumnType("nvarchar(4)");
+
+                    b.Property<string>("Nickname")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("Owner")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AccountId");
+
+                    b.HasIndex("Issuer", "Last4", "Owner");
+
+                    b.ToTable("Cards");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Merchant", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.ToTable("Merchants");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Receipt", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)")
+                        .HasDefaultValue("application/octet-stream");
+
+                    b.Property<string>("Currency")
+                        .HasMaxLength(8)
+                        .HasColumnType("nvarchar(8)");
+
+                    b.Property<DateTime?>("DueDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("FileHashSha256")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(260)
+                        .HasColumnType("nvarchar(260)");
+
+                    b.Property<long>("FileSizeBytes")
+                        .HasColumnType("bigint");
+
+                    b.Property<string>("Merchant")
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<DateTime?>("ReceiptDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("StoragePath")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("nvarchar(1024)");
+
+                    b.Property<decimal?>("Subtotal")
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<decimal?>("Tax")
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<decimal?>("Total")
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<long?>("TransactionId")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTime>("UploadedAtUtc")
+                        .HasColumnType("datetime2");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FileHashSha256");
+
+                    b.HasIndex("TransactionId", "FileHashSha256")
+                        .IsUnique()
+                        .HasFilter("[TransactionId] IS NOT NULL");
+
+                    b.HasIndex("TransactionId", "ReceiptDate");
+
+                    b.ToTable("Receipts");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.ReceiptLineItem", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("Category")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasMaxLength(300)
+                        .HasColumnType("nvarchar(300)");
+
+                    b.Property<int>("LineNumber")
+                        .HasColumnType("int");
+
+                    b.Property<decimal?>("LineTotal")
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<decimal?>("Quantity")
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<long>("ReceiptId")
+                        .HasColumnType("bigint");
+
+                    b.Property<string>("Sku")
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("Unit")
+                        .HasMaxLength(16)
+                        .HasColumnType("nvarchar(16)");
+
+                    b.Property<decimal?>("UnitPrice")
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<bool>("Voided")
+                        .HasColumnType("bit");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ReceiptId", "LineNumber");
+
+                    b.ToTable("ReceiptLineItems");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.ReceiptParseLog", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<DateTime?>("CompletedAtUtc")
+                        .HasColumnType("datetime2");
+
+                    b.Property<decimal?>("Confidence")
+                        .HasColumnType("decimal(5,4)");
+
+                    b.Property<string>("Error")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("ExtractedTextPath")
+                        .HasMaxLength(1024)
+                        .HasColumnType("nvarchar(1024)");
+
+                    b.Property<string>("Model")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("Provider")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<string>("ProviderJobId")
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<string>("RawProviderPayloadJson")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<long>("ReceiptId")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTime>("StartedAtUtc")
+                        .HasColumnType("datetime2");
+
+                    b.Property<bool>("Success")
+                        .HasColumnType("bit");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ReceiptId", "StartedAtUtc");
+
+                    b.ToTable("ReceiptParseLogs");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Transaction", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<int>("AccountId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("Amount")
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<int?>("CardId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Last4")
+                        .HasMaxLength(4)
+                        .HasColumnType("nvarchar(4)");
+
+                    b.Property<string>("Memo")
+                        .IsRequired()
+                        .ValueGeneratedOnAdd()
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)")
+                        .HasDefaultValue("");
+
+                    b.Property<int?>("MerchantId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<string>("Notes")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("TransactionType")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("nvarchar(20)");
+
+                    b.Property<int?>("TransferToAccountId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Amount");
+
+                    b.HasIndex("Category");
+
+                    b.HasIndex("Date");
+
+                    b.HasIndex("MerchantId");
+
+                    b.HasIndex("TransferToAccountId");
+
+                    b.HasIndex("AccountId", "Category");
+
+                    b.HasIndex("AccountId", "Date");
+
+                    b.HasIndex("CardId", "Date");
+
+                    b.HasIndex("MerchantId", "Date");
+
+                    b.HasIndex("Date", "Amount", "Name", "Memo", "AccountId", "CardId")
+                        .IsUnique()
+                        .HasFilter("[CardId] IS NOT NULL");
+
+                    b.ToTable("Transactions");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Transfer", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasColumnType("decimal(18,2)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasMaxLength(500)
+                        .HasColumnType("nvarchar(500)");
+
+                    b.Property<int?>("DestinationAccountId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Notes")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<long?>("OriginalTransactionId")
+                        .HasColumnType("bigint");
+
+                    b.Property<int?>("SourceAccountId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Date");
+
+                    b.HasIndex("DestinationAccountId");
+
+                    b.HasIndex("OriginalTransactionId");
+
+                    b.HasIndex("SourceAccountId");
+
+                    b.ToTable("Transfers");
+                });
+
+            modelBuilder.Entity("MoneyMap.Services.CategoryMapping", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<decimal?>("Confidence")
+                        .HasColumnType("decimal(5,4)");
+
+                    b.Property<DateTime?>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("CreatedBy")
+                        .HasMaxLength(50)
+                        .HasColumnType("nvarchar(50)");
+
+                    b.Property<int?>("MerchantId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Pattern")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MerchantId");
+
+                    b.ToTable("CategoryMappings");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Card", b =>
+                {
+                    b.HasOne("MoneyMap.Models.Account", "Account")
+                        .WithMany("Cards")
+                        .HasForeignKey("AccountId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("Account");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Receipt", b =>
+                {
+                    b.HasOne("MoneyMap.Models.Transaction", "Transaction")
+                        .WithMany("Receipts")
+                        .HasForeignKey("TransactionId")
+                        .OnDelete(DeleteBehavior.Cascade);
+
+                    b.Navigation("Transaction");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.ReceiptLineItem", b =>
+                {
+                    b.HasOne("MoneyMap.Models.Receipt", "Receipt")
+                        .WithMany("LineItems")
+                        .HasForeignKey("ReceiptId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Receipt");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.ReceiptParseLog", b =>
+                {
+                    b.HasOne("MoneyMap.Models.Receipt", "Receipt")
+                        .WithMany("ParseLogs")
+                        .HasForeignKey("ReceiptId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Receipt");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Transaction", b =>
+                {
+                    b.HasOne("MoneyMap.Models.Account", "Account")
+                        .WithMany("Transactions")
+                        .HasForeignKey("AccountId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.HasOne("MoneyMap.Models.Card", "Card")
+                        .WithMany("Transactions")
+                        .HasForeignKey("CardId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.HasOne("MoneyMap.Models.Merchant", "Merchant")
+                        .WithMany("Transactions")
+                        .HasForeignKey("MerchantId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("MoneyMap.Models.Account", "TransferToAccount")
+                        .WithMany()
+                        .HasForeignKey("TransferToAccountId");
+
+                    b.Navigation("Account");
+
+                    b.Navigation("Card");
+
+                    b.Navigation("Merchant");
+
+                    b.Navigation("TransferToAccount");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Transfer", b =>
+                {
+                    b.HasOne("MoneyMap.Models.Account", "DestinationAccount")
+                        .WithMany("DestinationTransfers")
+                        .HasForeignKey("DestinationAccountId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.HasOne("MoneyMap.Models.Transaction", "OriginalTransaction")
+                        .WithMany()
+                        .HasForeignKey("OriginalTransactionId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("MoneyMap.Models.Account", "SourceAccount")
+                        .WithMany("SourceTransfers")
+                        .HasForeignKey("SourceAccountId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.Navigation("DestinationAccount");
+
+                    b.Navigation("OriginalTransaction");
+
+                    b.Navigation("SourceAccount");
+                });
+
+            modelBuilder.Entity("MoneyMap.Services.CategoryMapping", b =>
+                {
+                    b.HasOne("MoneyMap.Models.Merchant", "Merchant")
+                        .WithMany("CategoryMappings")
+                        .HasForeignKey("MerchantId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("Merchant");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Account", b =>
+                {
+                    b.Navigation("Cards");
+
+                    b.Navigation("DestinationTransfers");
+
+                    b.Navigation("SourceTransfers");
+
+                    b.Navigation("Transactions");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Card", b =>
+                {
+                    b.Navigation("Transactions");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Merchant", b =>
+                {
+                    b.Navigation("CategoryMappings");
+
+                    b.Navigation("Transactions");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Receipt", b =>
+                {
+                    b.Navigation("LineItems");
+
+                    b.Navigation("ParseLogs");
+                });
+
+            modelBuilder.Entity("MoneyMap.Models.Transaction", b =>
+                {
+                    b.Navigation("Receipts");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

MoneyMap/Migrations/20251124231350_AddCompositeIndexes.cs

@@ -0,0 +1,90 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace MoneyMap.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddCompositeIndexes : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Transactions_AccountId",
+                table: "Transactions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Transactions_CardId",
+                table: "Transactions");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Transactions_AccountId_Category",
+                table: "Transactions",
+                columns: new[] { "AccountId", "Category" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Transactions_AccountId_Date",
+                table: "Transactions",
+                columns: new[] { "AccountId", "Date" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Transactions_CardId_Date",
+                table: "Transactions",
+                columns: new[] { "CardId", "Date" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Transactions_MerchantId_Date",
+                table: "Transactions",
+                columns: new[] { "MerchantId", "Date" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Receipts_FileHashSha256",
+                table: "Receipts",
+                column: "FileHashSha256");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Receipts_TransactionId_ReceiptDate",
+                table: "Receipts",
+                columns: new[] { "TransactionId", "ReceiptDate" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Transactions_AccountId_Category",
+                table: "Transactions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Transactions_AccountId_Date",
+                table: "Transactions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Transactions_CardId_Date",
+                table: "Transactions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Transactions_MerchantId_Date",
+                table: "Transactions");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Receipts_FileHashSha256",
+                table: "Receipts");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Receipts_TransactionId_ReceiptDate",
+                table: "Receipts");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Transactions_AccountId",
+                table: "Transactions",
+                column: "AccountId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Transactions_CardId",
+                table: "Transactions",
+                column: "CardId");
+        }
+    }
+}

MoneyMap/Migrations/MoneyMapContextModelSnapshot.cs

@@ -183,10 +183,14 @@ namespace MoneyMap.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("FileHashSha256");
+
                     b.HasIndex("TransactionId", "FileHashSha256")
                         .IsUnique()
                         .HasFilter("[TransactionId] IS NOT NULL");
 
+                    b.HasIndex("TransactionId", "ReceiptDate");
+
                     b.ToTable("Receipts");
                 });
 
@@ -353,12 +357,8 @@ namespace MoneyMap.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasIndex("AccountId");
-
                     b.HasIndex("Amount");
 
-                    b.HasIndex("CardId");
-
                     b.HasIndex("Category");
 
                     b.HasIndex("Date");
@@ -367,6 +367,14 @@ namespace MoneyMap.Migrations
 
                     b.HasIndex("TransferToAccountId");
 
+                    b.HasIndex("AccountId", "Category");
+
+                    b.HasIndex("AccountId", "Date");
+
+                    b.HasIndex("CardId", "Date");
+
+                    b.HasIndex("MerchantId", "Date");
+
                     b.HasIndex("Date", "Amount", "Name", "Memo", "AccountId", "CardId")
                         .IsUnique()
                         .HasFilter("[CardId] IS NOT NULL");