public MultiTableUpdateScript GetLinkedDataScript(NameWithSchema basetable)
{
var res = new MultiTableUpdateScript();
if (ResultFields == null || !ResultFields.IsMultiTable())
{
return(res);
}
var pks = new Dictionary <DmlfSource, List <DmlfColumnRef> >();
foreach (var row in Rows)
{
if (row.RowState != CdlRowState.Modified)
{
continue;
}
var changed = row.GetChangedColumnRefs();
if (changed.Length == 0)
{
continue;
}
var tbls = new List <DmlfSource>();
foreach (var ch in changed)
{
if (!tbls.Contains(ch.Source))
{
tbls.Add(ch.Source);
}
}
foreach (var src in tbls)
{
if (pks.ContainsKey(src))
{
continue;
}
pks[src] = ResultFields.GetPrimaryKey(src);
}
foreach (var src in tbls)
{
var cols = new List <DmlfColumnRef>();
foreach (var ch in changed)
{
if (ch.Source != src)
{
continue;
}
cols.Add(ch);
}
var pk = pks[src];
res.Update(src == DmlfSource.BaseTable ? basetable : src.TableOrView,
(from c in pk select c.ColumnName).ToArray(),
row.Original.GetValuesByCols(pk.ToArray(), ResultFields),
(from c in cols select c.ColumnName).ToArray(),
row.GetValuesByCols(cols.ToArray()));
}
}
return(res);
}
public DataScript()
{
MainChanges = new SingleTableDataScript();
LinkedChanges = new MultiTableUpdateScript();
}
public void UpdateData(MultiTableUpdateScript script, LinkedDatabaseInfo linkedInfo)
{
}
public DataScript()
{
MainChanges = new SingleTableDataScript();
LinkedChanges = new MultiTableUpdateScript();
}
public void UpdateData(MultiTableUpdateScript script, LinkedDatabaseInfo linkedInfo)
{
if (script == null) return;
string linkedInfoStr = linkedInfo != null ? linkedInfo.ToString() : "";
int updrows = 0, updflds = 0;
foreach (var upd in script.Updates)
{
Put("^update %s%f ^set ", linkedInfoStr, upd.Table);
for (int i = 0; i < upd.Columns.Length; i++)
{
if (i > 0) Put(", ");
Put("%i=%v", upd.Columns[i], upd.Values[i]);
}
Where(upd.Table, upd.CondCols, upd.CondValues);
Put(";&n");
updrows++;
updflds += upd.Values.Length;
}
}
