From 68d983ea5776c7daa863740039fa7cea77e8c34b Mon Sep 17 00:00:00 2001
From: Kylesoda <249518290+kylesoda@users.noreply.github.com>
Date: Sat, 9 May 2026 00:32:32 -0500
Subject: [PATCH] refactor: remove unused Extractor and Loader interfaces from
 types.go; streamline code structure

---
 internal/app/etl/types.go | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/internal/app/etl/types.go b/internal/app/etl/types.go
index 1322097..81724f6 100644
--- a/internal/app/etl/types.go
+++ b/internal/app/etl/types.go
@@ -9,18 +9,6 @@ import (
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/models"
 )
 
-type Extractor interface {
-	ProcessPartition(
-		ctx context.Context,
-		tableInfo config.SourceTableInfo,
-		columns []models.ColumnType,
-		batchSize int,
-		partition models.Partition,
-		indexPrimaryKey int,
-		chBatchesOut chan<- models.Batch,
-	) (int, error)
-}
-
 type TransformerFunc func(any) (any, error)
 
 type ColumnTransformPlan struct {
@@ -40,15 +28,6 @@ type Transformer interface {
 	)
 }
 
-type Loader interface {
-	ProcessBatch(
-		ctx context.Context,
-		tableInfo config.TargetTableInfo,
-		colNames []string,
-		batch models.Batch,
-	) (int64, error)
-}
-
 type TableAnalyzer interface {
 	QueryColumnTypes(
 		ctx context.Context,