private IReadOnlyList <ColumnModification> GenerateColumnModifications()
{
var adding = EntityState == EntityState.Added;
var columnModifications = new List <ColumnModification>();
if (_comparer != null)
{
_entries.Sort(_comparer);
}
var columnMap = _entries.Count == 1
? null
: new Dictionary <string, ColumnModification>();
Dictionary <IUpdateEntry, List <ColumnModification> > conflictingColumnValues = null;
Dictionary <IUpdateEntry, List <ColumnModification> > conflictingOriginalColumnValues = null;
foreach (var entry in _entries)
{
var entityType = entry.EntityType;
foreach (var property in entityType.GetProperties())
{
var isKey = property.IsPrimaryKey();
var isConcurrencyToken = property.IsConcurrencyToken;
var isCondition = !adding && (isKey || isConcurrencyToken);
var readValue = entry.IsStoreGenerated(property);
var writeValue = !readValue &&
(adding &&
property.BeforeSaveBehavior == PropertySaveBehavior.Save ||
!adding &&
property.AfterSaveBehavior == PropertySaveBehavior.Save &&
entry.IsModified(property));
if (readValue ||
writeValue ||
isCondition)
{
if (readValue)
{
_requiresResultPropagation = true;
}
var columnModification = new ColumnModification(
entry,
property,
property.Relational(),
_generateParameterName,
readValue,
writeValue,
isKey,
isCondition,
isConcurrencyToken);
if (columnMap != null)
{
if (columnMap.TryGetValue(columnModification.ColumnName, out var existingColumn))
{
if (columnModification.UseCurrentValueParameter &&
!Equals(columnModification.Value, existingColumn.Value))
{
conflictingColumnValues = AddConflictingColumnValues(
conflictingColumnValues, columnModification, existingColumn);
}
else if (columnModification.UseOriginalValueParameter &&
!Equals(columnModification.OriginalValue, existingColumn.OriginalValue))
{
conflictingOriginalColumnValues = AddConflictingColumnValues(
conflictingOriginalColumnValues, columnModification, existingColumn);
}
continue;
}
columnMap.Add(columnModification.ColumnName, columnModification);
}
columnModifications.Add(columnModification);
}
}
}
if (conflictingColumnValues != null)
{
var firstPair = conflictingColumnValues.First();
var firstEntry = firstPair.Key;
var firstProperties = firstPair.Value.Select(c => c.Property).ToList();
var lastPair = conflictingColumnValues.Last();
var lastEntry = lastPair.Key;
var lastProperties = lastPair.Value.Select(c => c.Property);
if (_sensitiveLoggingEnabled)
{
throw new InvalidOperationException(
RelationalStrings.ConflictingRowValuesSensitive(
firstEntry.EntityType.DisplayName(),
lastEntry.EntityType.DisplayName(),
firstEntry.BuildCurrentValuesString(firstEntry.EntityType.FindPrimaryKey().Properties),
firstEntry.BuildCurrentValuesString(firstProperties),
lastEntry.BuildCurrentValuesString(lastProperties),
firstProperties.FormatColumns()));
}
throw new InvalidOperationException(
RelationalStrings.ConflictingRowValues(
firstEntry.EntityType.DisplayName(),
lastEntry.EntityType.DisplayName(),
Property.Format(firstProperties),
Property.Format(lastProperties),
firstProperties.FormatColumns()));
}
if (conflictingOriginalColumnValues != null)
{
var firstPair = conflictingOriginalColumnValues.First();
var firstEntry = firstPair.Key;
var firstProperties = firstPair.Value.Select(c => c.Property).ToList();
var lastPair = conflictingOriginalColumnValues.Last();
var lastEntry = lastPair.Key;
var lastProperties = lastPair.Value.Select(c => c.Property);
if (_sensitiveLoggingEnabled)
{
throw new InvalidOperationException(
RelationalStrings.ConflictingOriginalRowValuesSensitive(
firstEntry.EntityType.DisplayName(),
lastEntry.EntityType.DisplayName(),
firstEntry.BuildCurrentValuesString(firstEntry.EntityType.FindPrimaryKey().Properties),
firstEntry.BuildOriginalValuesString(firstProperties),
lastEntry.BuildOriginalValuesString(lastProperties),
firstProperties.FormatColumns()));
}
throw new InvalidOperationException(
RelationalStrings.ConflictingOriginalRowValues(
firstEntry.EntityType.DisplayName(),
lastEntry.EntityType.DisplayName(),
Property.Format(firstProperties),
Property.Format(lastProperties),
firstProperties.FormatColumns()));
}
return(columnModifications);
}
public void BatchCommands_throws_on_conflicting_values_for_shared_table_added_entities(bool useCurrentValues, bool sensitiveLogging)
{
var currentDbContext = CreateContextServices(CreateSharedTableModel()).GetRequiredService <ICurrentDbContext>();
var stateManager = currentDbContext.GetDependencies().StateManager;
var first = new FakeEntity {
Id = 42, Value = "Test"
};
var firstEntry = stateManager.GetOrCreateEntry(first);
firstEntry.SetEntityState(EntityState.Modified);
firstEntry.SetPropertyModified(firstEntry.EntityType.FindPrimaryKey().Properties.Single(), isModified: false);
var second = new RelatedFakeEntity {
Id = 42
};
var secondEntry = stateManager.GetOrCreateEntry(second);
secondEntry.SetEntityState(EntityState.Modified);
secondEntry.SetPropertyModified(secondEntry.EntityType.FindPrimaryKey().Properties.Single(), isModified: false);
if (useCurrentValues)
{
first.RelatedId = 1;
second.RelatedId = 2;
}
else
{
new EntityEntry <FakeEntity>(firstEntry).Property(e => e.RelatedId).OriginalValue = 1;
new EntityEntry <RelatedFakeEntity>(secondEntry).Property(e => e.RelatedId).OriginalValue = 2;
}
if (useCurrentValues)
{
if (sensitiveLogging)
{
Assert.Equal(
RelationalStrings.ConflictingRowValuesSensitive(
nameof(RelatedFakeEntity), nameof(FakeEntity), "{Id: 42}",
"{RelatedId: 2}", "{RelatedId: 1}", "{'RelatedId'}"),
Assert.Throws <InvalidOperationException>(
() => CreateCommandBatchPreparer(stateManager: stateManager, sensitiveLogging: true)
.BatchCommands(new[] { firstEntry, secondEntry }).ToArray()).Message);
}
else
{
Assert.Equal(
RelationalStrings.ConflictingRowValues(
nameof(RelatedFakeEntity), nameof(FakeEntity),
"{'RelatedId'}", "{'RelatedId'}", "{'RelatedId'}"),
Assert.Throws <InvalidOperationException>(
() => CreateCommandBatchPreparer(stateManager: stateManager, sensitiveLogging: false)
.BatchCommands(new[] { firstEntry, secondEntry }).ToArray()).Message);
}
}
else
{
if (sensitiveLogging)
{
Assert.Equal(
RelationalStrings.ConflictingOriginalRowValuesSensitive(
nameof(RelatedFakeEntity), nameof(FakeEntity), "{Id: 42}",
"{RelatedId: 2}", "{RelatedId: 1}", "{'RelatedId'}"),
Assert.Throws <InvalidOperationException>(
() => CreateCommandBatchPreparer(stateManager: stateManager, sensitiveLogging: true)
.BatchCommands(new[] { firstEntry, secondEntry }).ToArray()).Message);
}
else
{
Assert.Equal(
RelationalStrings.ConflictingOriginalRowValues(
nameof(RelatedFakeEntity), nameof(FakeEntity),
"{'RelatedId'}", "{'RelatedId'}", "{'RelatedId'}"),
Assert.Throws <InvalidOperationException>(
() => CreateCommandBatchPreparer(stateManager: stateManager, sensitiveLogging: false)
.BatchCommands(new[] { firstEntry, secondEntry }).ToArray()).Message);
}
}
}
