/// <summary>
/// 构建获取前topNumber记录的SQL
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="topNumber"></param>
/// <param name="sql"></param>
/// <returns></returns>
protected string BuildTopSql <T>(int topNumber, string sql)
{
PocoData data = PocoData.ForType(typeof(T), DefaultMapper);
string primaryKey = data.TableInfo.TableName + "." + data.TableInfo.PrimaryKey;
if (this.EnableAutoSelect)
{
sql = AutoSelectHelperExt.AddSelectClause <T>(Provider, sql, DefaultMapper, primaryKey);
}
return(this.BuildTopSql(topNumber, sql));
}
/// <summary>
/// 创建分页的SQL语句
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="maxRecords"></param>
/// <param name="skip"></param>
/// <param name="take"></param>
/// <param name="sql"></param>
/// <param name="args"></param>
/// <param name="sqlCount"></param>
/// <param name="sqlPage"></param>
protected void BuildPagingPrimaryKeyQueries <T>(long maxRecords, long skip, long take, string sql, ref object[] args, out string sqlCount, out string sqlPage)
{
PocoData data = PocoData.ForType(typeof(T), DefaultMapper);
string primaryKey = string.Empty;
if (sql.Contains(data.TableInfo.TableName))
{
primaryKey = data.TableInfo.TableName + "." + data.TableInfo.PrimaryKey;
}
else
{
primaryKey = data.TableInfo.PrimaryKey;
}
if (this.EnableAutoSelect)
{
sql = AutoSelectHelperExt.AddSelectClause <T>(Provider, sql, DefaultMapper, primaryKey);
}
this.BuildPagingPrimaryKeyQueries(maxRecords, skip, take, primaryKey, sql, ref args, out sqlCount, out sqlPage);
}