public string BuildGroupSql(string[] groupField, string[] sumField, FilterBuilder fb, string order)
{
//ȷ����Ҫ��ӵı�,����ʾ��Ŀ�Ͳ�ѯ�����б���
List<Table> tablelist = new List<Table>();
foreach (string s in groupField)
{
AddField2Table(s, tablelist);
}
foreach (string s in sumField)
{
AddField2Table(s, tablelist);
}
foreach (Filter filter in fb.FilterList)
{
AddTable(filter.FieldFullName, tablelist);
}
//��select �ֶ�
StringBuilder fie = new StringBuilder();
foreach (string s in groupField)
{
Field f = GetFieldByFullName(s);
if (f != null)
{
AddField2Sql(fie, f);//group�ֶβ�����depend on
}
}
foreach (string s in sumField)
{
Field f = GetFieldByFullName(s);
if (f != null)
{
if (f.DependOnField != null)
{
foreach (string df in f.DependOnField)
{
Field f2 = GetFieldByFullName(df);
if (f2 != null)
{
AddSumField2Sql(fie, f2);
}
}
}
else
{
AddField2Sql(fie, f);
}
}
}
// �� groupby
StringBuilder groupStr = new StringBuilder();
foreach (string s in groupField)
{
Field f = GetFieldByFullName(s);
if (f != null)
{
AddGroup2Sql(groupStr, f);
}
}
StringBuilder tab = new StringBuilder(" from ");
AddTable2Sql(tab, MainTable, true);
foreach (Table table in tablelist)
{
AddTable2Sql(tab, table, false);
}
StringBuilder fullsb = new StringBuilder();
fullsb.Append(fie.ToString());
fullsb.Append(tab.ToString());
fullsb.Append(fb.BuildWhere());
fullsb.Append(groupStr.ToString());
if (order.Length > 0)
{
fullsb.Append(" order by ");
fullsb.Append(order);
}
return fullsb.ToString();
}
/// <summary>
/// showField ʹ�� tableAlias.fieldName ����ʽ
/// </summary>
/// <param name="showField"></param>
/// <returns></returns>
public string BuildSql(string[] showField, FilterBuilder fb, string order)
{
//ȷ����Ҫ��ӵı�,����ʾ��Ŀ�Ͳ�ѯ�����б���
List<Table> tablelist = new List<Table>();
foreach (Table t in TableList)
{
if (t.IsDefault)
{
AddTable(t.Alias, tablelist);//���ﲻֱ�� list.add(t),����Ҫͬʱ���dependOn��
}
}
foreach (string s in showField)
{
AddField2Table(s, tablelist);
}
foreach (Filter filter in fb.FilterList)
{
AddField2Table(filter.FieldFullName, tablelist);
}
StringBuilder fie = new StringBuilder();
foreach (string s in showField)
{
Field f = GetFieldByFullName(s);
if (f != null)
{
if (f.DependOnField != null)
{
foreach (string df in f.DependOnField)
{
Field f2 = GetFieldByFullName(df);
if (f2 != null)
{
AddField2Sql(fie, f2);
}
}
}
else
{
AddField2Sql(fie, f);
}
}
}
StringBuilder tab = new StringBuilder(" from ");
AddTable2Sql(tab, MainTable, true);
foreach (Table table in tablelist)
{
AddTable2Sql(tab, table, false);
}
StringBuilder fullsb = new StringBuilder();
fullsb.Append(fie.ToString());
fullsb.Append(tab.ToString());
fullsb.Append(fb.BuildWhere());
if (order.Length > 0)
{
fullsb.Append(" order by ");
fullsb.Append(order);
}
return fullsb.ToString();
}
public static FilterBuilder GetBuilder(Query query, SqlParameterCollection parameterlist)
{
FilterBuilder fb = new FilterBuilder();
fb.query = query;
fb.parameterList = parameterlist;
return fb;
}