public static void Merge <T>(DbContext context, IList <T> entities, TableInfo tableInfo, OperationType operationType, Action <decimal> progress) where T : class
{
tableInfo.InsertToTempTable = true;
tableInfo.CheckHasIdentity(context);
context.Database.CommandTimeout = 960;
context.Database.ExecuteSqlCommand(SqlQueryBuilder.CreateTableCopy(tableInfo.FullTableName, tableInfo.FullTempTableName));
if (tableInfo.BulkConfig.SetOutputIdentity)
{
context.Database.ExecuteSqlCommand(SqlQueryBuilder.CreateTableCopy(tableInfo.FullTableName, tableInfo.FullTempOutputTableName));
}
try
{
Insert(context, entities, tableInfo, progress);
context.Database.ExecuteSqlCommand(SqlQueryBuilder.MergeTable(tableInfo, operationType));
context.Database.ExecuteSqlCommand(SqlQueryBuilder.DropTable(tableInfo.FullTempTableName));
if (!tableInfo.BulkConfig.SetOutputIdentity || !tableInfo.HasSinglePrimaryKey)
{
return;
}
try
{
tableInfo.UpdateOutputIdentity(context, entities);
var dp = SqlQueryBuilder.DropTable(tableInfo.FullTempOutputTableName);
context.Database.ExecuteSqlCommand(dp);
}
catch (Exception)
{
context.Database.ExecuteSqlCommand(SqlQueryBuilder.DropTable(tableInfo.FullTempOutputTableName));
throw;
}
}
catch (Exception)
{
context.Database.ExecuteSqlCommand(SqlQueryBuilder.DropTable(tableInfo.FullTempTableName));
throw;
}
}
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 && tableInfo.HasIdentity)
{
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.CreateTableCopy(tableInfo.FullTableName, tableInfo.FullTempOutputTableName)).ConfigureAwait(false);
}
try
{
await InsertAsync(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.HasIdentity)
{
await tableInfo.UpdateOutputIdentityAsync(context, entities).ConfigureAwait(false);
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.DropTable(tableInfo.FullTempOutputTableName)).ConfigureAwait(false);
}
}
catch (Exception)
{
if (tableInfo.BulkConfig.SetOutputIdentity && tableInfo.HasIdentity)
{
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.DropTable(tableInfo.FullTempOutputTableName)).ConfigureAwait(false);
}
await context.Database.ExecuteSqlCommandAsync(SqlQueryBuilder.DropTable(tableInfo.FullTempTableName)).ConfigureAwait(false);
throw;
}
}
protected IQueryable <T> QueryOutputTable <T>(DbContext context) where T : class
{
var query = context.Set <T>().SqlQuery(SqlQueryBuilder.SelectFromTable(this.FullTempOutputTableName)).AsQueryable();
return(query.OrderBy(PrimaryKeys[0]));
}
