public static RowDataCompareResult Compare(TableDefinition tableDefinition, SnapshotRowKey snapshotRowKey,
SnapshotRow beforeRow, SnapshotRow afterRow)
{
var result = true;
var nonKeyFieldNames = beforeRow.GetFieldNames()
.Concat(afterRow.GetFieldNames())
.Distinct()
.Except(snapshotRowKey.GetFieldNames().Concat(tableDefinition.ExcludedColumns))
.ToList();
var diffs = new List <FieldDifference>();
foreach (var fieldName in nonKeyFieldNames)
{
var before = beforeRow.GetField(fieldName);
var after = afterRow.GetField(fieldName);
var compareResult = ValueComparer.Compare(before, after);
if (compareResult != 0)
{
diffs.Add(new FieldDifference(fieldName, before, after));
result = false;
}
}
return(new RowDataCompareResult(result, diffs, beforeRow, afterRow));
}
public SnapshotRow GetRow(SnapshotRowKey key, string tableName)
{
if (!_tables.TryGetValue(tableName, out var snapshotTable))
{
return(null);
}
return(snapshotTable.Rows.SingleOrDefault(r => Equals(new SnapshotRowKey(r, snapshotTable.TableDefinition), key)));
}