public void UpdateData(TableInfo table, SingleTableDataScript script, LinkedDatabaseInfo linkedInfo)
{
}
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.ColumnByName(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.ColumnByName(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);
}
}