private string UpdateSql()
{
StringBuilder sb = new StringBuilder();
UpdateTable BaseTable = this.BaseTable() as UpdateTable;
string declare = "";
string set = "";
string outputSelect = "";
SqlBuilder tb = this.TopBuilder;
foreach (ParameterField field in BaseTable.FieldList.OfType <ParameterField>())
{
tb.AddDeclaration(field.ParameterName, field.DeclareParameter());
set += field.SetParameter() + "\r\n";
}
if (BaseTable.Output != null && BaseTable.Output.ParameterTable.FieldList.Count > 0)
{
tb.AddDeclaration(BaseTable.Output.ParameterName, BaseTable.Output.DeclareParameter());
outputSelect += BaseTable.Output.SetParameter() + "\r\n";
}
sb.AppendLine(declare);
sb.AppendLine(set);
sb.AppendFormat("UPDATE {0}\r\n", BaseTable.Name);
sb.AppendFormat(" SET {0}\r\n", BaseTable.ToSql());
if (BaseTable.Output != null && BaseTable.Output.ParameterTable.FieldList.Count > 0)
{
sb.AppendFormat("OUTPUT {0}\r\n", BaseTable.Output.ToSql());
}
sb.AppendFormat(" FROM {0}\r\n", BaseTable.ReferenceName);
foreach (Join j in JoinConditions)
{
sb.AppendFormat("{0}\r\n", j.ToSql());
}
string where = WhereConditions.ToSql();
if (!string.IsNullOrEmpty(where))
{
sb.AppendFormat("WHERE {0}\r\n", where);
}
if (!string.IsNullOrEmpty(outputSelect))
{
sb.AppendLine(outputSelect);
}
return(sb.ToString());
}