diff --git a/crates/bindings-typescript/src/lib/type_builders.ts b/crates/bindings-typescript/src/lib/type_builders.ts
index 6bf8ae1ec99..4dbcc6febf8 100644
--- a/crates/bindings-typescript/src/lib/type_builders.ts
+++ b/crates/bindings-typescript/src/lib/type_builders.ts
@@ -1532,7 +1532,9 @@ class SumBuilderImpl<Variants extends VariantsObj>
   extends TypeBuilder<EnumType<Variants>, VariantsToSumType<Variants>>
   implements
     Defaultable<EnumType<Variants>, VariantsToSumType<Variants>>,
-    Nameable<EnumType<Variants>, VariantsToSumType<Variants>>
+    Nameable<EnumType<Variants>, VariantsToSumType<Variants>>,
+    Indexable<EnumType<Variants>, VariantsToSumType<Variants>>,
+    PrimaryKeyable<EnumType<Variants>, VariantsToSumType<Variants>>
 {
   readonly variants: Variants;
   readonly typeName: string | undefined;
@@ -1637,6 +1639,33 @@ class SumBuilderImpl<Variants extends VariantsObj>
   ): SumColumnBuilder<Variants, SetField<DefaultMetadata, 'name', Name>> {
     return new SumColumnBuilder(this, set(defaultMetadata, { name }));
   }
+  index(): SumColumnBuilder<
+    Variants,
+    SetField<DefaultMetadata, 'indexType', 'btree'>
+  >;
+  index<N extends NonNullable<IndexTypes>>(
+    algorithm: N
+  ): SumColumnBuilder<Variants, SetField<DefaultMetadata, 'indexType', N>>;
+  index(
+    algorithm: IndexTypes = 'btree'
+  ): SumColumnBuilder<
+    Variants,
+    SetField<DefaultMetadata, 'indexType', IndexTypes>
+  > {
+    return new SumColumnBuilder(
+      this,
+      set(defaultMetadata, { indexType: algorithm })
+    );
+  }
+  primaryKey(): SumColumnBuilder<
+    Variants,
+    SetField<DefaultMetadata, 'isPrimaryKey', true>
+  > {
+    return new SumColumnBuilder(
+      this,
+      set(defaultMetadata, { isPrimaryKey: true })
+    );
+  }
 }
 
 export const SumBuilder: {
@@ -3237,7 +3266,9 @@ export class SumColumnBuilder<
   extends ColumnBuilder<EnumType<Variants>, VariantsToSumType<Variants>, M>
   implements
     Defaultable<EnumType<Variants>, VariantsToSumType<Variants>>,
-    Nameable<EnumType<Variants>, VariantsToSumType<Variants>>
+    Nameable<EnumType<Variants>, VariantsToSumType<Variants>>,
+    Indexable<EnumType<Variants>, VariantsToSumType<Variants>>,
+    PrimaryKeyable<EnumType<Variants>, VariantsToSumType<Variants>>
 {
   default(
     value: EnumType<Variants>
@@ -3258,6 +3289,33 @@ export class SumColumnBuilder<
       set(this.columnMetadata, { name })
     );
   }
+  index(): SumColumnBuilder<
+    Variants,
+    SetField<DefaultMetadata, 'indexType', 'btree'>
+  >;
+  index<N extends NonNullable<IndexTypes>>(
+    algorithm: N
+  ): SumColumnBuilder<Variants, SetField<DefaultMetadata, 'indexType', N>>;
+  index(
+    algorithm: IndexTypes = 'btree'
+  ): SumColumnBuilder<
+    Variants,
+    SetField<DefaultMetadata, 'indexType', IndexTypes>
+  > {
+    return new SumColumnBuilder(
+      this.typeBuilder,
+      set(this.columnMetadata, { indexType: algorithm })
+    );
+  }
+  primaryKey(): SumColumnBuilder<
+    Variants,
+    SetField<DefaultMetadata, 'isPrimaryKey', true>
+  > {
+    return new SumColumnBuilder(
+      this.typeBuilder,
+      set(this.columnMetadata, { isPrimaryKey: true })
+    );
+  }
 }
 
 export class SimpleSumColumnBuilder<