/// <summary>
/// 删除一条或一组记录
/// </summary>
/// <param name="table">数据表名称</param>
/// <param name="filter">过滤条件</param>
/// <param name="dataArray">需要更新的记录</param>
/// <returns>返回更新条数</returns>
public int Delete <T>(string table, object filter, params T[] dataArray)
{
var filterEntities = JsonParser.ConvertEntities(filter);
if (filterEntities.Count <= 0)
{
throw new Exception("未传入筛选条件,未防止错误,该执行已停止.");
}
var filterSql = new FilterParser().Parse(table, filterEntities[0]);
if (string.IsNullOrEmpty(filterSql))
{
throw new Exception("未能解析出需要筛选sql语句,未防止错误,该执行已停止.");
}
var entities = dataArray == null ? null : JsonParser.ConvertEntities(dataArray);
var sql = new DeleteParser().Parse(table, entities == null || entities.Count <= 0 ? null : entities[0], null);
if (string.IsNullOrEmpty(sql))
{
throw new Exception("未能解析出需要执行的sql语句.");
}
return(this.Execute(sql + " WHERE " + filterSql,
entities == null || entities.Count <= 0 ? null :
entities.Select((source) =>
{
return new DeleteModel(source, filterEntities[0]);
}).ToArray()));
}
public DeleteParserTests()
{
_storage = Substitute.For <IStorage>();
_parser = new DeleteParser(_storage);
}
