public List <ListDataRow> sub(string table, Dictionary <string, string> pk)
{
SubTableSchema subSchema = DataSourceComm.getSubTableSchema(table, _schema);
List <ListDataRow> rows = getSubTableRows(pk, subSchema);
return(rows);
}
private List <ListDataRow> getSubTableRows(Dictionary <string, string> pks, SubTableSchema subSchema)
{
DatabaseAdmin dba = DatabaseAdmin.getInstance();
DataSource subDs = new DataSource(subSchema.Name);
DataSourceSchema dss = subDs.getSchema();
if (dss.SelectCommand.CommandType != CommandType.TableDirect)
{
throw new XException(string.Format(Lang.SubTableSelCommandTypeOnlyIsTable, subSchema.Name));
}
StringBuilder sb = new StringBuilder("select * from ");
sb.Append(dss.SelectCommand.CommandText);
sb.Append(" ");
sb.Append(" where ");
Hashtable ps = new Hashtable();
for (int i = 0; i < subSchema.Fks.Count; i++)
{
string fk = subSchema.Fks[i];
string pk = _schema.PrimaryKeys[i];
sb.Append(fk);
sb.Append("=@");
sb.Append(pk);
sb.Append(" and ");
ps.Add("@" + pk, pks[pk].ToString());
}
sb.Remove(sb.Length - 5, 5);
DbCommand cmd = dba.getSqlStringCommand(sb.ToString());
foreach (string key in ps.Keys)
{
dba.addInParameter(cmd, key, DbType.String, ps[key]);
}
DataTable tb = dba.executeTable(cmd);
List <ListDataRow> rows = new List <ListDataRow>();
foreach (DataRow row in tb.Rows)
{
rows.Add(DataSourceComm.readRow(tb, dss, row));
}
return(rows);
}
private void updateSubTables(ListDataRow row, List <SubTable> subTables)
{
if (subTables == null || subTables.Count < 1)
{
return;
}
for (int c = 0; c < subTables.Count; c++)
{
string subTable = subTables[c].Name;
DataSourceSchema ds = DataSourceSchemaContainer.Instance().GetItem(subTable);
if (ds.SelectCommand.CommandType != CommandType.TableDirect)
{
throw new XException(string.Format(Lang.SubTableSelCommandTypeOnlyIsTable, subTable));
}
SubTableSchema sds = DataSourceComm.getSubTableSchema(subTable, _schema);
Dictionary <string, string> parametes = new Dictionary <string, string>();
for (int i = 0; i < sds.Fks.Count; i++)
{
string fk = sds.Fks[i];
parametes.Add("@" + fk, row[_schema.PrimaryKeys[i]]);
}
DsAdapter dsa = new DsAdapterCustomer(ds);
List <ListDataRow> subRows = subTables[c].Rows;
for (int i = 0; i < subRows.Count; i++)
{
ListDataRow subRow = subRows[i];
if (DataSourceComm.isNewRow(subRow))
{
dsa.insert(subRow, parametes);
}
else
{
dsa.update(subRow, parametes);
}
}
}
}
