feat: add row count mismatch error handling in processMigrationJob and update SQL query to exclude additional graph-related columns

cmd/go_migrate/process.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -233,5 +234,9 @@ func processMigrationJob(
 	result.RowsLoaded = atomic.LoadInt64(&rowsLoaded)
 	result.RowsFailed = atomic.LoadInt64(&rowsFailed)
 
+	if result.RowsRead != result.RowsLoaded {
+		result.Error = fmt.Errorf("Row count mismatch: extracted %d rows but loaded %d rows (failed: %d)", result.RowsRead, result.RowsLoaded, result.RowsFailed)
+	}
+
 	return result
 }

internal/app/etl/table_analyzers/mssql.go

@@ -36,7 +36,7 @@ JOIN sys.types t ON c.user_type_id = t.user_type_id
 LEFT JOIN sys.types bt ON t.is_user_defined = 1 AND bt.user_type_id = t.system_type_id
 JOIN sys.tables st ON c.object_id = st.object_id
 JOIN sys.schemas s ON st.schema_id = s.schema_id
-WHERE s.name = @schema AND st.name = @table AND c.name NOT LIKE 'graph_id%'
+WHERE s.name = @schema AND st.name = @table AND c.name NOT LIKE 'graph_id%' AND c.name NOT LIKE 'node_id%' AND c.name NOT LIKE 'edge_id%'
 ORDER BY c.column_id;`
 
 type rawColumnMssql struct {