public void RunScript(SingleTableDataScript script)
{
foreach (var del in script.Deletes)
{
CdlRow row = this.FindRow(del.CondCols, del.CondValues);
if (row != null)
{
Rows.Remove(row);
}
}
foreach (var upd in script.Updates)
{
CdlRow row = this.FindRow(upd.CondCols, upd.CondValues);
if (row != null)
{
row[upd.Columns] = upd.Values;
}
}
foreach (var ins in script.Inserts)
{
CdlRow row = NewRow();
row[ins.Columns] = ins.Values;
Rows.Add(row);
}
}
public InMemoryTable(InMemoryTable oldTable, SingleTableDataScript script)
{
Initialize();
m_structure = oldTable.Structure.CloneTable();
CdlTable bt = new CdlTable(oldTable);
bt.RunScript(script);
foreach (ICdlRecord rec in bt.Rows)
{
m_rows.Add(new ArrayDataRecord(rec));
}
}
public SingleTableDataScript GetBaseModifyScript()
{
SingleTableDataScript res = new SingleTableDataScript();
DmlfColumnRef[] wherecols = GetBaseWhereCols();
foreach (var row in Rows)
{
if (row.RowState == CdlRowState.Unchanged)
{
continue;
}
// modified rows in multitable views are solved in GetLinkedDataScript()
if (row.RowState == CdlRowState.Modified && ResultFields != null && ResultFields.IsMultiTable())
{
continue;
}
string[] changed = row.GetChangedColumns(false);
string[] changedNotNull = row.GetChangedColumns(true);
if (changed.Length == 0 && row.RowState != CdlRowState.Deleted)
{
continue;
}
switch (row.RowState)
{
case CdlRowState.Added:
res.Insert(changedNotNull, row.GetValuesByCols(changedNotNull));
break;
case CdlRowState.Modified:
res.Update(wherecols.GetNames(), row.Original.GetValuesByCols(wherecols, ResultFields), changed, row[changed]);
break;
case CdlRowState.Deleted:
res.Delete(wherecols.GetNames(), row.Original.GetValuesByCols(wherecols, ResultFields));
break;
}
}
return(res);
}
public DataScript()
{
MainChanges = new SingleTableDataScript();
LinkedChanges = new MultiTableUpdateScript();
}
public void UpdateData(TableInfo table, SingleTableDataScript script, LinkedDatabaseInfo linkedInfo)
{
}
public DataScript()
{
MainChanges = new SingleTableDataScript();
LinkedChanges = new MultiTableUpdateScript();
}
public void UpdateData(TableInfo table, SingleTableDataScript script, LinkedDatabaseInfo linkedInfo)
{
if (script == null) return;
int delcnt = 0, inscnt = 0, updrows = 0, updflds = 0;
string linkedInfoStr = linkedInfo != null ? linkedInfo.ToString() : "";
foreach (var del in script.Deletes)
{
Put("^delete ^from %s%f", linkedInfoStr, table.FullName);
Where(table.FullName, del.CondCols, del.CondValues);
Put(";&n");
delcnt++;
}
foreach (var upd in script.Updates)
{
Put("^update %s%f ^set ", linkedInfoStr, table.FullName);
for (int i = 0; i < upd.Columns.Length; i++)
{
if (i > 0) Put(", ");
Put("%i=%v", upd.Columns[i], new ValueTypeHolder(upd.Values[i], table.Columns[upd.Columns[i]].CommonType));
}
Where(table.FullName, upd.CondCols, upd.CondValues);
Put(";&n");
updrows++;
updflds += upd.Values.Length;
}
ColumnInfo autoinc = null;
if (table != null) autoinc = table.FindAutoIncrementColumn();
bool isIdentityInsert = false;
foreach (var ins in script.Inserts)
{
if (autoinc != null)
{
if (Array.IndexOf(ins.Columns, autoinc.Name) >= 0)
{
if (!isIdentityInsert) AllowIdentityInsert(table.FullName, true);
isIdentityInsert = true;
}
else
{
if (isIdentityInsert) AllowIdentityInsert(table.FullName, false);
isIdentityInsert = false;
}
}
var vals = new List<ValueTypeHolder>();
var insColumns = new List<string>();
for (int i = 0; i < ins.Columns.Length; i++)
{
var col = table.Columns[ins.Columns[i]];
if (col != null)
{
insColumns.Add(ins.Columns[i]);
vals.Add(new ValueTypeHolder(ins.Values[i], col.CommonType));
}
}
if (insColumns.Count > 0)
{
Put("^insert ^into %s%f (%,i) ^values (%,v);&n", linkedInfoStr, table.FullName, insColumns, vals);
}
inscnt++;
}
if (isIdentityInsert) AllowIdentityInsert(table.FullName, false);
}
