public static Task ExecuteAsync <T>(DbContext context, IList <T> entities, OperationType operationType, BulkConfig bulkConfig, Action <decimal> progress, CancellationToken cancellationToken) where T : class
{
if (operationType != OperationType.Truncate && entities.Count == 0)
{
return(Task.CompletedTask);
}
TableInfo tableInfo = TableInfo.CreateInstance(context, entities, operationType, bulkConfig);
if (operationType == OperationType.Insert && !tableInfo.BulkConfig.SetOutputIdentity)
{
return(SqlBulkOperation.InsertAsync(context, entities, tableInfo, progress, cancellationToken));
}
else if (operationType == OperationType.Read)
{
return(SqlBulkOperation.ReadAsync(context, entities, tableInfo, progress, cancellationToken));
}
else if (operationType == OperationType.Truncate)
{
return(SqlBulkOperation.TruncateAsync(context, tableInfo));
}
else
{
return(SqlBulkOperation.MergeAsync(context, entities, tableInfo, operationType, progress, cancellationToken));
}
}
public static Task ExecuteAsync(DbContext context, Type type, IList <object> entities, OperationType operationType, BulkConfig bulkConfig, Action <decimal> progress, CancellationToken cancellationToken)
{
using (ActivitySources.StartExecuteActivity(operationType, entities.Count))
{
if (operationType != OperationType.Truncate && entities.Count == 0)
{
return(Task.CompletedTask);
}
TableInfo tableInfo = TableInfo.CreateInstance(context, type, entities, operationType, bulkConfig);
if (operationType == OperationType.Insert && !tableInfo.BulkConfig.SetOutputIdentity)
{
return(SqlBulkOperation.InsertAsync(context, type, entities, tableInfo, progress, cancellationToken));
}
else if (operationType == OperationType.Read)
{
return(SqlBulkOperation.ReadAsync(context, type, entities, tableInfo, progress, cancellationToken));
}
else if (operationType == OperationType.Truncate)
{
return(SqlBulkOperation.TruncateAsync(context, tableInfo, cancellationToken));
}
else
{
return(SqlBulkOperation.MergeAsync(context, type, entities, tableInfo, operationType, progress, cancellationToken));
}
}
}
public static Task ExecuteAsync <T>(DbContext context, IList <T> entities, OperationType operationType, BulkConfig bulkConfig, Action <decimal> progress) where T : class
{
TableInfo tableInfo = TableInfo.CreateInstance(context, entities, operationType, bulkConfig);
if (operationType == OperationType.Insert && !tableInfo.BulkConfig.SetOutputIdentity)
{
return(SqlBulkOperation.InsertAsync <T>(context, entities, tableInfo, progress));
}
else
{
return(SqlBulkOperation.MergeAsync <T>(context, entities, tableInfo, operationType, progress));
}
}
public static async Task ExecuteAsync <T>(DbContext context, Type type, IList <T> entities, OperationType operationType, BulkConfig bulkConfig, Action <decimal> progress, CancellationToken cancellationToken = default) where T : class
{
type ??= typeof(T);
using (ActivitySources.StartExecuteActivity(operationType, entities.Count))
{
if (entities.Count == 0 && operationType != OperationType.InsertOrUpdateOrDelete && operationType != OperationType.Truncate && operationType != OperationType.SaveChanges)
{
return;
}
if (operationType == OperationType.SaveChanges)
{
await DbContextBulkTransactionSaveChanges.SaveChangesAsync(context, bulkConfig, progress, cancellationToken);
}
else if (bulkConfig?.IncludeGraph == true)
{
await DbContextBulkTransactionGraphUtil.ExecuteWithGraphAsync(context, entities, operationType, bulkConfig, progress, cancellationToken);
}
else
{
TableInfo tableInfo = TableInfo.CreateInstance(context, type, entities, operationType, bulkConfig);
if (operationType == OperationType.Insert && !tableInfo.BulkConfig.SetOutputIdentity)
{
await SqlBulkOperation.InsertAsync(context, type, entities, tableInfo, progress, cancellationToken);
}
else if (operationType == OperationType.Read)
{
await SqlBulkOperation.ReadAsync(context, type, entities, tableInfo, progress, cancellationToken);
}
else if (operationType == OperationType.Truncate)
{
await SqlBulkOperation.TruncateAsync(context, tableInfo, cancellationToken);
}
else
{
await SqlBulkOperation.MergeAsync(context, type, entities, tableInfo, operationType, progress, cancellationToken);
}
}
}
}
public static async Task MergeAsync <T>(DbContext context, IList <T> entities, TableInfo tableInfo, OperationType operationType, Action <decimal> progress) where T : class
{
tableInfo.InsertToTempTable = true;
await tableInfo.CheckHasIdentityAsync(context).ConfigureAwait(false);
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.CreateTableCopy(tableInfo.FullTableName, tableInfo.FullTempTableName)).ConfigureAwait(false);
if (tableInfo.BulkConfig.SetOutputIdentity)
{
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.CreateTableCopy(tableInfo.FullTableName, tableInfo.FullTempOutputTableName)).ConfigureAwait(false);
}
try
{
await SqlBulkOperation.InsertAsync <T>(context, entities, tableInfo, progress).ConfigureAwait(false);
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.MergeTable(tableInfo, operationType)).ConfigureAwait(false);
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.DropTable(tableInfo.FullTempTableName)).ConfigureAwait(false);
if (tableInfo.BulkConfig.SetOutputIdentity)
{
tableInfo.UpdateOutputIdentity(context, entities);
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.DropTable(tableInfo.FullTempOutputTableName)).ConfigureAwait(false);
}
}
catch (Exception ex)
{
if (tableInfo.BulkConfig.SetOutputIdentity)
{
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.DropTable(tableInfo.FullTempOutputTableName)).ConfigureAwait(false);
}
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.DropTable(tableInfo.FullTempTableName)).ConfigureAwait(false);
throw ex;
}
}
public static async Task ExecuteAsync(DbContext context, Type type, IList <object> entities, OperationType operationType, BulkConfig bulkConfig, Action <decimal> progress, CancellationToken cancellationToken)
{
using (ActivitySources.StartExecuteActivity(operationType, entities.Count))
{
if (operationType != OperationType.Truncate && entities.Count == 0)
{
return;
}
if (bulkConfig?.IncludeGraph == true)
{
await DbContextBulkTransactionGraphUtil.ExecuteWithGraphAsync(context, entities, operationType, bulkConfig, progress, cancellationToken);
}
else
{
TableInfo tableInfo = TableInfo.CreateInstance(context, type, entities, operationType, bulkConfig);
if (operationType == OperationType.Insert && !tableInfo.BulkConfig.SetOutputIdentity)
{
await SqlBulkOperation.InsertAsync(context, type, entities, tableInfo, progress, cancellationToken);
}
else if (operationType == OperationType.Read)
{
await SqlBulkOperation.ReadAsync(context, type, entities, tableInfo, progress, cancellationToken);
}
else if (operationType == OperationType.Truncate)
{
await SqlBulkOperation.TruncateAsync(context, tableInfo, cancellationToken);
}
else
{
await SqlBulkOperation.MergeAsync(context, type, entities, tableInfo, operationType, progress, cancellationToken);
}
}
}
}