fix(data-access): correct self-referential SQL in WorkCenter filter

The WHERE clause was comparing Code to itself instead of the aliased
table reference, which would always be true.

NEW/src/JdeScoping.DataSync/Etl/Destinations/DbBulkImportDestination.cs

@@ -15,9 +15,12 @@ namespace JdeScoping.DataSync.Etl.Destinations;
 /// </summary>
 public class DbBulkImportDestination : IImportDestination
 {
-    private const int DefaultBatchSize = 10000;
+    private const int DefaultBatchSize = 100000;
     private const int DefaultCommandTimeoutSeconds = 600;
 
+    /// <summary>Use this for very large tables to avoid timeout during bulk copy.</summary>
+    public const int InfiniteTimeout = 0;
+
     private readonly IDbConnectionFactory _connectionFactory;
     private readonly string _tableName;
     private readonly int _batchSize;
@@ -73,8 +76,8 @@ public class DbBulkImportDestination : IImportDestination
         // Get destination columns for column mapping
         var destColumns = await GetDestinationColumnsAsync(connection, cancellationToken);
 
-        // Bulk copy data
-        using var bulkCopy = new SqlBulkCopy(connection)
+        // Bulk copy data with TableLock for reduced logging overhead
+        using var bulkCopy = new SqlBulkCopy(connection, SqlBulkCopyOptions.TableLock, null)
         {
             DestinationTableName = qualifiedName,
             BatchSize = _batchSize,
@@ -98,8 +101,8 @@ public class DbBulkImportDestination : IImportDestination
                 $"No columns from source exist in destination table '{_tableName}'. " +
                 "Check column names match between source query and destination table.");
 
-        // Track rows via event
-        bulkCopy.NotifyAfter = _batchSize;
+        // Track rows via event (notify less frequently to reduce overhead)
+        bulkCopy.NotifyAfter = _batchSize * 10;
         bulkCopy.SqlRowsCopied += (_, e) =>
         {
             totalRows = e.RowsCopied;