// IDataAdapter.MissingSchemaAction
internal static ArgumentOutOfRangeException InvalidMissingSchemaAction(MissingSchemaAction value)
{
#if DEBUG
switch (value)
{
case MissingSchemaAction.Add:
case MissingSchemaAction.Ignore:
case MissingSchemaAction.Error:
case MissingSchemaAction.AddWithKey:
Debug.Assert(false, "valid MissingSchemaAction " + value.ToString());
break;
}
#endif
return(InvalidEnumerationValue(typeof(MissingSchemaAction), (int)value));
}
private void MergeRelation(DataRelation relation)
{
Debug.Assert(_dataSet != null);
Debug.Assert(MissingSchemaAction.Error == _missingSchemaAction ||
MissingSchemaAction.Add == _missingSchemaAction,
"Unexpected value of MissingSchemaAction parameter : " + _missingSchemaAction.ToString());
DataRelation?destRelation = null;
// try to find given relation in this dataSet
int iDest = _dataSet.Relations.InternalIndexOf(relation.RelationName);
if (iDest >= 0)
{
// check the columns and Relation properties..
destRelation = _dataSet.Relations[iDest];
if (relation.ParentKey.ColumnsReference.Length != destRelation.ParentKey.ColumnsReference.Length)
{
_dataSet.RaiseMergeFailed(null,
SR.Format(SR.DataMerge_MissingDefinition, relation.RelationName),
_missingSchemaAction);
}
for (int i = 0; i < relation.ParentKey.ColumnsReference.Length; i++)
{
DataColumn dest = destRelation.ParentKey.ColumnsReference[i];
DataColumn src = relation.ParentKey.ColumnsReference[i];
if (0 != string.Compare(dest.ColumnName, src.ColumnName, false, dest.Table !.Locale))
{
_dataSet.RaiseMergeFailed(null,
SR.Format(SR.DataMerge_ReltionKeyColumnsMismatch, relation.RelationName),
_missingSchemaAction);
}
dest = destRelation.ChildKey.ColumnsReference[i];
src = relation.ChildKey.ColumnsReference[i];
if (0 != string.Compare(dest.ColumnName, src.ColumnName, false, dest.Table !.Locale))
{
_dataSet.RaiseMergeFailed(null,
SR.Format(SR.DataMerge_ReltionKeyColumnsMismatch, relation.RelationName),
_missingSchemaAction);
}
}
}
else
{
if (MissingSchemaAction.Add == _missingSchemaAction)
{
// create identical realtion in the current dataset
DataTable parent = _IgnoreNSforTableLookup ?
_dataSet.Tables[relation.ParentTable.TableName] ! :
_dataSet.Tables[relation.ParentTable.TableName, relation.ParentTable.Namespace] !;
DataTable child = _IgnoreNSforTableLookup ?
_dataSet.Tables[relation.ChildTable.TableName] ! :
_dataSet.Tables[relation.ChildTable.TableName, relation.ChildTable.Namespace] !;
DataColumn[] parentColumns = new DataColumn[relation.ParentKey.ColumnsReference.Length];
DataColumn[] childColumns = new DataColumn[relation.ParentKey.ColumnsReference.Length];
for (int i = 0; i < relation.ParentKey.ColumnsReference.Length; i++)
{
parentColumns[i] = parent.Columns[relation.ParentKey.ColumnsReference[i].ColumnName] !;
childColumns[i] = child.Columns[relation.ChildKey.ColumnsReference[i].ColumnName] !;
}
try
{
destRelation = new DataRelation(relation.RelationName, parentColumns, childColumns, relation._createConstraints);
destRelation.Nested = relation.Nested;
_dataSet.Relations.Add(destRelation);
}
catch (Exception e) when(Common.ADP.IsCatchableExceptionType(e))
{
ExceptionBuilder.TraceExceptionForCapture(e);
_dataSet.RaiseMergeFailed(null, e.Message, _missingSchemaAction);
// TODO: destRelation may be null, causing an NRE below
}
}
else
{
Debug.Assert(MissingSchemaAction.Error == _missingSchemaAction, "Unexpected value of MissingSchemaAction parameter : " + _missingSchemaAction.ToString());
throw ExceptionBuilder.MergeMissingDefinition(relation.RelationName);
}
}
// TODO: destRelation may be null, see comment above
MergeExtendedProperties(relation.ExtendedProperties, destRelation !.ExtendedProperties);
}