/// <summary>执行SQL查询，返回总记录数</summary>
/// <param name="builder">查询生成器</param>
/// <returns>总记录数</returns>
public override Int64 QueryCount(SelectBuilder builder)
{
var ds = Query(builder.SelectCount().ToString(), builder.Parameters.ToArray());
if (ds == null || ds.Rows == null || ds.Rows.Count == 0)
{
return(-1);
}
return(ds.Rows[0][0].ToLong());
}
/// <summary>执行SQL查询，返回总记录数</summary> /// <param name="builder">查询生成器</param> /// <returns>总记录数</returns> public virtual Int64 QueryCount(SelectBuilder builder) => ExecuteScalar <Int64>(builder.SelectCount().ToString(), CommandType.Text, builder.Parameters.ToArray());
