refactor: rename Extractor Exec method

internal/app/etl/extractors/main.go

@@ -3,12 +3,14 @@ package extractors
 import (
 	"context"
 	"errors"
+	"fmt"
 	"slices"
 	"strings"
 	"sync"
 	"sync/atomic"
 
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/config"
+	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/convert"
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/custom_errors"
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/etl"
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/models"
@@ -57,7 +59,7 @@ func Consume(
 				return
 			}
 
-			rowsReadResult, err := extractor.Exec(
+			rowsReadResult, err := extractor.ProcessPartition(
 				ctx,
 				tableInfo,
 				columns,
@@ -99,3 +101,30 @@ func Consume(
 		}
 	}
 }
+
+func errorFromLastRow(
+	lastRow models.UnknownRowValues,
+	indexPrimaryKey int,
+	partition models.Partition,
+	previousError error,
+) error {
+	lastIdRawValue := lastRow[indexPrimaryKey]
+
+	lastId, ok := convert.ToInt64(lastIdRawValue)
+	if !ok {
+		currentPartition := partition
+		currentPartition.RetryCounter = 3
+		return &custom_errors.ExtractorError{
+			Partition: currentPartition,
+			HasLastId: true,
+			Msg:       fmt.Sprintf("Couldn't cast last id value as int: %s", previousError.Error()),
+		}
+	}
+
+	return &custom_errors.ExtractorError{
+		Partition: partition,
+		HasLastId: true,
+		LastId:    lastId,
+		Msg:       previousError.Error(),
+	}
+}

internal/app/etl/extractors/mssql.go

@@ -8,7 +8,6 @@ import (
 	"strings"
 
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/config"
-	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/convert"
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/custom_errors"
 	dbwrapper "git.ksdemosapps.com/kylesoda/go-migrate/internal/app/db-wrapper"
 	"git.ksdemosapps.com/kylesoda/go-migrate/internal/app/etl"
@@ -88,35 +87,7 @@ func buildExtractQueryMssql(
 	return sbQuery.String()
 }
 
-func errorFromLastRow(
+func (mssqlEx *MssqlExtractor) ProcessPartition(
-	lastRow models.UnknownRowValues,
-	indexPrimaryKey int,
-	partition models.Partition,
-	previousError error,
-) *custom_errors.ExtractorError {
-	lastIdRawValue := lastRow[indexPrimaryKey]
-
-	lastId, ok := convert.ToInt64(lastIdRawValue)
-	if !ok {
-		currentPartition := partition
-		currentPartition.RetryCounter = 3
-		return &custom_errors.ExtractorError{
-			Partition: currentPartition,
-			HasLastId: true,
-			Msg:       fmt.Sprintf("Couldn't cast last id value as int: %s", previousError.Error()),
-		}
-
-	}
-
-	return &custom_errors.ExtractorError{
-		Partition: partition,
-		HasLastId: true,
-		LastId:    lastId,
-		Msg:       previousError.Error(),
-	}
-}
-
-func (mssqlEx *MssqlExtractor) Exec(
 	ctx context.Context,
 	tableInfo config.SourceTableInfo,
 	columns []models.ColumnType,

internal/app/etl/extractors/postgres.go

@@ -91,7 +91,7 @@ func buildExtractQueryPostgres(
 	return query
 }
 
-func (postgresEx *PostgresExtractor) Exec(
+func (postgresEx *PostgresExtractor) ProcessPartition(
 	ctx context.Context,
 	tableInfo config.SourceTableInfo,
 	columns []models.ColumnType,

internal/app/etl/types.go

@@ -10,7 +10,7 @@ import (
 )
 
 type Extractor interface {
-	Exec(
+	ProcessPartition(
 		ctx context.Context,
 		tableInfo config.SourceTableInfo,
 		columns []models.ColumnType,