refactoring

Author: chikamura

src/main/java/org/embulk/output/snowflake/SnowflakeCopyBatchInsert.java

@@ -40,15 +40,15 @@ public class SnowflakeCopyBatchInsert implements BatchInsert {
   private List<Future<Void>> uploadAndCopyFutures;
   private boolean emptyFieldAsNull;
 
-  private String[] insertColumnNames;
+  private String[] copyIntoTableColumnNames;
 
-  private int[] insertCSVColumnNums;
+  private int[] copyIntoCSVColumnNumbers;
 
   public SnowflakeCopyBatchInsert(
       JdbcOutputConnector connector,
       StageIdentifier stageIdentifier,
-      String[] insertColumnNames,
-      int[] insertCSVColumnNums,
+      String[] copyIntoTableColumnNames,
+      int[] copyIntoCSVColumnNumbers,
       boolean deleteStageFile,
       int maxUploadRetries,
       boolean emptyFieldAsNull)
@@ -57,8 +57,8 @@ public SnowflakeCopyBatchInsert(
     openNewFile();
     this.connector = connector;
     this.stageIdentifier = stageIdentifier;
-    this.insertColumnNames = insertColumnNames;
-    this.insertCSVColumnNums = insertCSVColumnNums;
+    this.copyIntoTableColumnNames = copyIntoTableColumnNames;
+    this.copyIntoCSVColumnNumbers = copyIntoCSVColumnNumbers;
     this.executorService = Executors.newCachedThreadPool();
     this.deleteStageFile = deleteStageFile;
     this.uploadAndCopyFutures = new ArrayList();
@@ -426,8 +426,8 @@ public Void call() throws SQLException, InterruptedException, ExecutionException
               tableIdentifier,
               stageIdentifier,
               snowflakeStageFileName,
-              insertColumnNames,
-              insertCSVColumnNums,
+              copyIntoTableColumnNames,
+              copyIntoCSVColumnNumbers,
               delimiterString,
               emptyFieldAsNull);