/// <summary>
/// 获取选择语句内容
/// </summary>
/// <param name="baseCommand">源选择语句</param>
/// <param name="orderReverse">是否反转排序</param>
/// <returns>选择语句内容</returns>
internal static String InternalGetPagerCommand(SelectCommand baseCommand, Boolean orderReverse)
{
SqlCommandBuilder sb = new SqlCommandBuilder(baseCommand.Database);
sb.AppendSelectPrefix();
sb.AppendSelectDistinct(baseCommand.UseDistinct).AppendAllColumnNames(baseCommand.UseDistinct, baseCommand.InternalGetQueryFieldList());
sb.AppendSelectFromAndJoins(baseCommand.TableName, baseCommand.IsFromSql, baseCommand.InternalGetJoinList());
sb.AppendWhere(baseCommand.WhereCondition);
sb.AppendSelectGroupBys(baseCommand.InternalGetGroupByFieldList());
sb.AppendHaving(baseCommand.InternalGetHavingCondition());
sb.AppendSelectOrderBys(baseCommand.InternalGetOrderList(), orderReverse);
if (baseCommand.PageSize > 0 && baseCommand.RecordStart <= 0)
{
sb.AppendSelectLimit(baseCommand.PageSize);
}
else if (baseCommand.PageSize > 0 && baseCommand.RecordStart > 0)
{
sb.AppendSelectLimit(baseCommand.RecordStart, baseCommand.PageSize);
}
return(sb.ToString());
}
/// <summary>
/// 获取选择语句内容
/// </summary>
/// <param name="cmd">选择语句类</param>
/// <param name="realPageIndex">实际页索引</param>
/// <param name="realPageCount">实际页数量</param>
/// <param name="orderReverse">是否反转排序</param>
/// <returns>选择语句内容</returns>
internal static String InternalGetSelectCommand(SelectCommand cmd, Int32 realPageIndex, Int32 realPageCount, Boolean orderReverse)
{
SqlCommandBuilder sb = new SqlCommandBuilder(cmd.DatabaseType);
sb.AppendSelectPrefix();
sb.AppendSelectDistinct(cmd.UseDistinct).AppendAllColumnNames(cmd.QueryFields);
sb.AppendSelectFromAndJoins(cmd.TableName, cmd.IsFromSql, cmd.SqlJoins);
sb.AppendWhere(cmd.SqlWhere);
sb.AppendSelectGroupBys(cmd.GroupByColumns);
sb.AppendHaving(cmd.SqlHaving);
sb.AppendSelectOrderBys(cmd.SqlOrders, orderReverse);
if (cmd.PageSize > 0 && cmd.PageIndex == 1)
{
sb.AppendSelectLimit(cmd.PageSize);
}
else if (cmd.PageSize > 0 && cmd.PageIndex > 1)
{
sb.AppendSelectLimit(cmd.PageSize * (realPageIndex - 1), cmd.PageSize);
}
return(sb.ToString());
}
/// <summary>
/// 获取选择语句内容
/// </summary>
/// <param name="cmd">选择语句类</param>
/// <param name="realPageIndex">实际页索引</param>
/// <param name="realPageCount">实际页数量</param>
/// <param name="orderReverse">是否反转排序</param>
/// <returns>选择语句内容</returns>
internal static String InternalGetSelectCommand(SelectCommand cmd, Int32 realPageIndex, Int32 realPageCount, Boolean orderReverse)
{
SqlCommandBuilder sb = new SqlCommandBuilder(cmd.DatabaseType);
sb.AppendSelectPrefix();
sb.AppendSelectDistinct(cmd.UseDistinct).AppendAllColumnNames(cmd.QueryFields);
sb.AppendSelectFromAndJoins(cmd.TableName, cmd.IsFromSql, cmd.SqlJoins);
sb.AppendWhere(cmd.SqlWhere);
sb.AppendSelectGroupBys(cmd.GroupByColumns);
sb.AppendHaving(cmd.SqlHaving);
sb.AppendSelectOrderBys(cmd.SqlOrders, orderReverse);
if (cmd.PageSize > 0 && cmd.PageIndex == 1)
{
sb.AppendSelectLimit(cmd.PageSize);
}
else if (cmd.PageSize > 0 && cmd.PageIndex > 1)
{
sb.AppendSelectLimit(cmd.PageSize * (realPageIndex - 1), cmd.PageSize);
}
return sb.ToString();
}
/// <summary>
/// 获取选择语句内容
/// </summary>
/// <param name="baseCommand">源选择语句</param>
/// <param name="orderReverse">是否反转排序</param>
/// <returns>选择语句内容</returns>
internal static String InternalGetPagerCommand(SelectCommand baseCommand, Boolean orderReverse)
{
SqlCommandBuilder sb = new SqlCommandBuilder(baseCommand.Database);
sb.AppendSelectPrefix();
sb.AppendSelectDistinct(baseCommand.UseDistinct).AppendAllColumnNames(baseCommand.QueryFields);
sb.AppendSelectFromAndJoins(baseCommand.TableName, baseCommand.IsFromSql, baseCommand.SqlJoins);
sb.AppendWhere(baseCommand.SqlWhere);
sb.AppendSelectGroupBys(baseCommand.GroupByColumns);
sb.AppendHaving(baseCommand.SqlHaving);
sb.AppendSelectOrderBys(baseCommand.SqlOrders, orderReverse);
if (baseCommand.PageSize > 0 && baseCommand.RecordStart <= 0)
{
sb.AppendSelectLimit(baseCommand.PageSize);
}
else if (baseCommand.PageSize > 0 && baseCommand.RecordStart > 0)
{
sb.AppendSelectLimit(baseCommand.RecordStart, baseCommand.PageSize);
}
return sb.ToString();
}
