|
private HaveValuesChanged ( |
||
| columns | ||
| return | bool | |
internal override void CheckConstraint(DataRow row, DataRowAction action)
{
if (Table.EnforceConstraints &&
(action == DataRowAction.Add ||
action == DataRowAction.Change ||
(action == DataRowAction.Rollback && row.tempRecord != -1)))
{
if (row.HaveValuesChanged(Columns))
{
Index index = Key.GetSortIndex();
object[] values = row.GetColumnValues(Columns);
if (index.IsKeyInIndex(values))
{
#if DEBUG
if (CompModSwitches.Data_Constraints.TraceVerbose)
{
Debug.WriteLine("UniqueConstraint violation...");
string valuesText = "";
for (int i = 0; i < values.Length; i++)
{
valuesText = Convert.ToString(values[i]) + (i < values.Length - 1 ? ", " : "");
}
Debug.WriteLine(" constraint: " + this.GetDebugString());
Debug.WriteLine(" key values: " + valuesText);
Range range = index.FindRecords(values);
int record = index.GetRecord(range.Min);
Debug.WriteLine(" conflicting record: " + record.ToString());
}
#endif
throw ExceptionBuilder.ConstraintViolation(Columns, values);
}
}
}
}
internal override void CheckConstraint(DataRow row, DataRowAction action)
{
if (Table.EnforceConstraints &&
(action == DataRowAction.Add ||
action == DataRowAction.Change ||
(action == DataRowAction.Rollback && row._tempRecord != -1)))
{
if (row.HaveValuesChanged(ColumnsReference))
{
if (ConstraintIndex.IsKeyRecordInIndex(row.GetDefaultRecord()))
{
object[] values = row.GetColumnValues(ColumnsReference);
throw ExceptionBuilder.ConstraintViolation(ColumnsReference, values);
}
}
}
}
internal override void CheckConstraint(DataRow row, DataRowAction action) {
if (Table.EnforceConstraints &&
(action == DataRowAction.Add ||
action == DataRowAction.Change ||
(action == DataRowAction.Rollback && row.tempRecord != -1))) {
if (row.HaveValuesChanged(ColumnsReference)) {
if (ConstraintIndex.IsKeyRecordInIndex(row.GetDefaultRecord())) {
object[] values = row.GetColumnValues(ColumnsReference);
throw ExceptionBuilder.ConstraintViolation(ColumnsReference, values);
}
}
}
}
internal override void CheckConstraint(DataRow row, DataRowAction action)
{
if ((this.Table.EnforceConstraints && (((action == DataRowAction.Add) || (action == DataRowAction.Change)) || ((action == DataRowAction.Rollback) && (row.tempRecord != -1)))) && (row.HaveValuesChanged(this.ColumnsReference) && this.ConstraintIndex.IsKeyRecordInIndex(row.GetDefaultRecord())))
{
object[] columnValues = row.GetColumnValues(this.ColumnsReference);
throw ExceptionBuilder.ConstraintViolation(this.ColumnsReference, columnValues);
}
}