diff --git a/database/build/build_test.go b/database/build/build_test.go
index 383c0573c..e97a06faf 100644
--- a/database/build/build_test.go
+++ b/database/build/build_test.go
@@ -28,8 +28,8 @@ func TestBuild_New(t *testing.T) {
 
 	_mock.ExpectExec(CreatePostgresTable).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateCreatedIndex).WillReturnResult(sqlmock.NewResult(1, 1))
+	_mock.ExpectExec(CreateEventIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateRepoIDIndex).WillReturnResult(sqlmock.NewResult(1, 1))
-	_mock.ExpectExec(CreateSourceIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateStatusIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 
 	_config := &gorm.Config{SkipDefaultTransaction: true}
@@ -152,8 +152,8 @@ func testPostgres(t *testing.T) (*engine, sqlmock.Sqlmock) {
 
 	_mock.ExpectExec(CreatePostgresTable).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateCreatedIndex).WillReturnResult(sqlmock.NewResult(1, 1))
+	_mock.ExpectExec(CreateEventIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateRepoIDIndex).WillReturnResult(sqlmock.NewResult(1, 1))
-	_mock.ExpectExec(CreateSourceIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateStatusIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 
 	// create the new mock Postgres database client
diff --git a/database/build/index.go b/database/build/index.go
index f224ccacc..4765ba534 100644
--- a/database/build/index.go
+++ b/database/build/index.go
@@ -12,6 +12,15 @@ CREATE INDEX
 IF NOT EXISTS
 builds_created
 ON builds (created);
+`
+
+	// CreateEventIndex represents a query to create an
+	// index on the builds table for the event column.
+	CreateEventIndex = `
+CREATE INDEX
+IF NOT EXISTS
+builds_event
+ON builds (event);
 `
 
 	// CreateRepoIDIndex represents a query to create an
@@ -21,15 +30,6 @@ CREATE INDEX
 IF NOT EXISTS
 builds_repo_id
 ON builds (repo_id);
-`
-
-	// CreateSourceIndex represents a query to create an
-	// index on the builds table for the source column.
-	CreateSourceIndex = `
-CREATE INDEX
-IF NOT EXISTS
-builds_source
-ON builds (source);
 `
 
 	// CreateStatusIndex represents a query to create an
@@ -54,18 +54,18 @@ func (e *engine) CreateBuildIndexes(ctx context.Context) error {
 		return err
 	}
 
-	// create the repo_id column index for the builds table
+	// create the event column index for the builds table
 	err = e.client.
 		WithContext(ctx).
-		Exec(CreateRepoIDIndex).Error
+		Exec(CreateEventIndex).Error
 	if err != nil {
 		return err
 	}
 
-	// create the source column index for the builds table
+	// create the repo_id column index for the builds table
 	err = e.client.
 		WithContext(ctx).
-		Exec(CreateSourceIndex).Error
+		Exec(CreateRepoIDIndex).Error
 	if err != nil {
 		return err
 	}
diff --git a/database/build/index_test.go b/database/build/index_test.go
index 03d02fc8d..1a0a00099 100644
--- a/database/build/index_test.go
+++ b/database/build/index_test.go
@@ -15,8 +15,8 @@ func TestBuild_Engine_CreateBuildIndexes(t *testing.T) {
 	defer func() { _sql, _ := _postgres.client.DB(); _sql.Close() }()
 
 	_mock.ExpectExec(CreateCreatedIndex).WillReturnResult(sqlmock.NewResult(1, 1))
+	_mock.ExpectExec(CreateEventIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateRepoIDIndex).WillReturnResult(sqlmock.NewResult(1, 1))
-	_mock.ExpectExec(CreateSourceIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(CreateStatusIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 
 	_sqlite := testSqlite(t)
diff --git a/database/resource_test.go b/database/resource_test.go
index cdc5dbaa3..794ed980e 100644
--- a/database/resource_test.go
+++ b/database/resource_test.go
@@ -35,8 +35,8 @@ func TestDatabase_Engine_NewResources(t *testing.T) {
 	// ensure the mock expects the build queries
 	_mock.ExpectExec(build.CreatePostgresTable).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(build.CreateCreatedIndex).WillReturnResult(sqlmock.NewResult(1, 1))
+	_mock.ExpectExec(build.CreateEventIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(build.CreateRepoIDIndex).WillReturnResult(sqlmock.NewResult(1, 1))
-	_mock.ExpectExec(build.CreateSourceIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	_mock.ExpectExec(build.CreateStatusIndex).WillReturnResult(sqlmock.NewResult(1, 1))
 	// ensure the mock expects the dashboard queries
 	_mock.ExpectExec(dashboard.CreatePostgresTable).WillReturnResult(sqlmock.NewResult(1, 1))