public virtual void Detects_duplicate_foreignKey_names_within_hierarchy_with_different_column_order()
{
var modelBuilder = CreateConventionalModelBuilder();
modelBuilder.Entity <Animal>();
modelBuilder.Entity <Cat>(
et =>
{
et.Property(c => c.Breed).HasColumnName("Breed");
et.HasOne <Person>().WithMany()
.HasForeignKey(
c => new { c.Name, c.Breed })
.HasPrincipalKey(
p => new { p.Name, p.FavoriteBreed })
.HasConstraintName("FK");
});
modelBuilder.Entity <Dog>(
et =>
{
et.Property(c => c.Breed).HasColumnName("Breed");
et.HasOne <Person>().WithMany()
.HasForeignKey(
d => new { d.Breed, d.Name })
.HasPrincipalKey(
p => new { p.FavoriteBreed, p.Name })
.HasConstraintName("FK");
});
VerifyError(
RelationalStrings.DuplicateForeignKeyColumnMismatch(
"{'" + nameof(Dog.Breed) + "', '" + nameof(Dog.Name) + "'}", nameof(Dog),
"{'" + nameof(Cat.Name) + "', '" + nameof(Cat.Breed) + "'}", nameof(Cat),
nameof(Animal), "FK",
"{'" + nameof(Dog.Breed) + "', '" + nameof(Dog.Name) + "'}",
"{'" + nameof(Cat.Name) + "', '" + nameof(Cat.Breed) + "'}"),
modelBuilder.Model);
}
private void ValidateState(IUpdateEntry mainEntry, IUpdateEntry entry)
{
var mainEntryState = mainEntry.SharedIdentityEntry == null
? mainEntry.EntityState
: EntityState.Modified;
if (mainEntryState == EntityState.Modified)
{
return;
}
var entryState = entry.SharedIdentityEntry == null
? entry.EntityState
: EntityState.Modified;
if (mainEntryState != entryState)
{
if (_sensitiveLoggingEnabled)
{
throw new InvalidOperationException(
RelationalStrings.ConflictingRowUpdateTypesSensitive(
entry.EntityType.DisplayName(),
entry.BuildCurrentValuesString(entry.EntityType.FindPrimaryKey().Properties),
entryState,
mainEntry.EntityType.DisplayName(),
mainEntry.BuildCurrentValuesString(mainEntry.EntityType.FindPrimaryKey().Properties),
mainEntryState));
}
throw new InvalidOperationException(
RelationalStrings.ConflictingRowUpdateTypes(
entry.EntityType.DisplayName(),
entryState,
mainEntry.EntityType.DisplayName(),
mainEntryState));
}
}
protected virtual bool CanSetDefaultValue([CanBeNull] object value)
{
if (GetDefaultValue(false) == value)
{
return(true);
}
if (!Annotations.CanSetAnnotation(
RelationalFullAnnotationNames.Instance.DefaultValue,
ProviderFullAnnotationNames?.DefaultValue,
value))
{
return(false);
}
if (ShouldThrowOnConflict)
{
if (GetDefaultValueSql(false) != null)
{
throw new InvalidOperationException(
RelationalStrings.ConflictingColumnServerGeneration(nameof(DefaultValue), Property.Name, nameof(DefaultValueSql)));
}
if (GetComputedColumnSql(false) != null)
{
throw new InvalidOperationException(
RelationalStrings.ConflictingColumnServerGeneration(nameof(DefaultValue), Property.Name, nameof(ComputedColumnSql)));
}
}
else if (value != null &&
(!CanSetDefaultValueSql(null) ||
!CanSetComputedColumnSql(null)))
{
return(false);
}
return(true);
}
private DbCommand CreateCommand(
IRelationalConnection connection,
IReadOnlyDictionary <string, object> parameterValues)
{
var command = connection.DbConnection.CreateCommand();
((OracleCommand)command).BindByName = true;
command.CommandText = CommandText;
if (connection.CurrentTransaction != null)
{
command.Transaction = connection.CurrentTransaction.GetDbTransaction();
}
if (connection.CommandTimeout != null)
{
command.CommandTimeout = (int)connection.CommandTimeout;
}
if (Parameters.Count > 0)
{
if (parameterValues == null)
{
throw new InvalidOperationException(
RelationalStrings.MissingParameterValue(
Parameters[0].InvariantName));
}
foreach (var parameter in Parameters)
{
parameter.AddDbParameter(command, parameterValues);
}
}
return(command);
}
public virtual void Detects_duplicate_index_names_within_hierarchy_with_different_column_order()
{
var modelBuilder = CreateConventionalModelBuilder();
modelBuilder.Entity <Animal>();
modelBuilder.Entity <Cat>(
et =>
{
et.Property(c => c.Breed).HasColumnName("Breed");
et.HasIndex(
c => new
{
c.Name,
c.Breed
}).HasName("IX");
});
modelBuilder.Entity <Dog>(
et =>
{
et.Property(c => c.Breed).HasColumnName("Breed");
et.HasIndex(
d => new
{
d.Breed,
d.Name
}).HasName("IX");
});
VerifyError(
RelationalStrings.DuplicateIndexColumnMismatch(
"{'" + nameof(Dog.Breed) + "', '" + nameof(Dog.Name) + "'}", nameof(Dog),
"{'" + nameof(Cat.Name) + "', '" + nameof(Cat.Breed) + "'}", nameof(Cat),
nameof(Animal), "IX",
"{'" + nameof(Dog.Breed) + "', '" + nameof(Dog.Name) + "'}",
"{'" + nameof(Cat.Name) + "', '" + nameof(Cat.Breed) + "'}"),
modelBuilder.Model);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
protected virtual DbCommand CreateCommand(
IRelationalConnection connection,
IReadOnlyDictionary <string, object> parameterValues)
{
var command = connection.DbConnection.CreateCommand();
command.CommandText = AdjustCommandText(CommandText);
ConfigureCommand(command);
if (connection.CurrentTransaction != null)
{
command.Transaction = connection.CurrentTransaction.GetDbTransaction();
}
if (connection.CommandTimeout != null)
{
command.CommandTimeout = (int)connection.CommandTimeout;
}
if (Parameters.Count > 0)
{
if (parameterValues == null)
{
throw new InvalidOperationException(
RelationalStrings.MissingParameterValue(
Parameters[0].InvariantName));
}
foreach (var parameter in Parameters)
{
parameter.AddDbParameter(command, parameterValues);
}
}
return(command);
}
public virtual EntityProjectionExpression UpdateEntityType([NotNull] IEntityType derivedType)
{
Check.NotNull(derivedType, nameof(derivedType));
if (!derivedType.GetAllBaseTypes().Contains(EntityType))
{
throw new InvalidOperationException(
RelationalStrings.InvalidDerivedTypeInEntityProjection(
derivedType.DisplayName(), EntityType.DisplayName()));
}
var propertyExpressionMap = new Dictionary <IProperty, ColumnExpression>();
foreach (var kvp in _propertyExpressionMap)
{
var property = kvp.Key;
if (derivedType.IsAssignableFrom(property.DeclaringEntityType) ||
property.DeclaringEntityType.IsAssignableFrom(derivedType))
{
propertyExpressionMap[property] = kvp.Value;
}
}
var discriminatorExpression = DiscriminatorExpression;
if (DiscriminatorExpression is CaseExpression caseExpression)
{
var entityTypesToSelect = derivedType.GetTptDiscriminatorValues();
var whenClauses = caseExpression.WhenClauses
.Where(wc => entityTypesToSelect.Contains((string)((SqlConstantExpression)wc.Result).Value !))
.ToList();
discriminatorExpression = caseExpression.Update(operand: null, whenClauses, elseResult: null);
}
return(new EntityProjectionExpression(derivedType, propertyExpressionMap, discriminatorExpression));
}
public void Inserts_are_batched_only_when_necessary(int minBatchSize)
{
var expectedBlogs = new List <Blog>();
TestHelpers.ExecuteWithStrategyInTransaction(
() => (BloggingContext)Fixture.CreateContext(minBatchSize),
UseTransaction,
context =>
{
var owner = new Owner();
context.Owners.Add(owner);
for (var i = 1; i < 4; i++)
{
var blog = new Blog
{
Id = Guid.NewGuid(),
Owner = owner
};
context.Set <Blog>().Add(blog);
expectedBlogs.Add(blog);
}
Fixture.TestSqlLoggerFactory.Clear();
context.SaveChanges();
Assert.Contains(
minBatchSize == 3
? RelationalStrings.LogBatchReadyForExecution(new TestLogger <SqlServerLoggingDefinitions>()).GenerateMessage(3)
: RelationalStrings.LogBatchSmallerThanMinBatchSize(new TestLogger <SqlServerLoggingDefinitions>()).GenerateMessage(3, 4),
Fixture.TestSqlLoggerFactory.Log.Select(l => l.Message));
Assert.Equal(minBatchSize <= 3 ? 2 : 4, Fixture.TestSqlLoggerFactory.SqlStatements.Count);
}, context => AssertDatabaseState(context, false, expectedBlogs));
}
/// <summary>
/// Asynchronously opens the connection to the database.
/// </summary>
/// <param name="cancellationToken">
/// A <see cref="CancellationToken" /> to observe while waiting for the task to complete.
/// </param>
/// <returns> A task that represents the asynchronous operation. </returns>
public virtual async Task OpenAsync(CancellationToken cancellationToken = default(CancellationToken))
{
CheckForAmbientTransactions();
if (_connection.Value.State == ConnectionState.Broken)
{
_connection.Value.Close();
}
if (_connection.Value.State != ConnectionState.Open)
{
_logger.LogDebug(
RelationalEventId.OpeningConnection,
new
{
_connection.Value.Database,
_connection.Value.DataSource
},
state =>
RelationalStrings.RelationalLoggerOpeningConnection(
state.Database,
state.DataSource));
await _connection.Value.OpenAsync(cancellationToken);
if (_openedCount == 0)
{
_openedInternally = true;
_openedCount++;
}
}
else
{
_openedCount++;
}
}
public async Task Throws_when_parameters_are_configured_and_value_is_missing(
Delegate commandDelegate,
string telemetryName,
bool async)
{
var fakeConnection = CreateConnection();
var relationalCommand = CreateRelationalCommand(
parameters: new[]
{
new TypeMappedRelationalParameter("FirstInvariant", "FirstParameter", new RelationalTypeMapping("int", typeof(int), DbType.Int32), false),
new TypeMappedRelationalParameter("SecondInvariant", "SecondParameter", new RelationalTypeMapping("long", typeof(long), DbType.Int64), true),
new TypeMappedRelationalParameter("ThirdInvariant", "ThirdParameter", RelationalTypeMapping.NullMapping, null)
});
var parameterValues = new Dictionary <string, object>
{
{ "FirstInvariant", 17 },
{ "SecondInvariant", 18L }
};
if (async)
{
Assert.Equal(
RelationalStrings.MissingParameterValue("ThirdInvariant"),
(await Assert.ThrowsAsync <InvalidOperationException>(async()
=> await((CommandFunc)commandDelegate)(fakeConnection, relationalCommand, parameterValues))).Message);
}
else
{
Assert.Equal(
RelationalStrings.MissingParameterValue("ThirdInvariant"),
Assert.Throws <InvalidOperationException>(()
=> ((CommandAction)commandDelegate)(fakeConnection, relationalCommand, parameterValues)).Message);
}
}
public virtual void AddEntry([NotNull] IUpdateEntry entry)
{
Check.NotNull(entry, nameof(entry));
if ((entry.EntityState != EntityState.Added) &&
(entry.EntityState != EntityState.Modified) &&
(entry.EntityState != EntityState.Deleted))
{
throw new ArgumentException(RelationalStrings.ModificationFunctionInvalidEntityState(entry.EntityState));
}
var firstEntry = _entries.FirstOrDefault();
if ((firstEntry != null) &&
(firstEntry.EntityState != entry.EntityState))
{
throw new InvalidOperationException(RelationalStrings.ConflictingRowUpdates);
// TODO: Check for any other conflicts between the two entries
}
_entries.Add(entry);
_columnModifications = null;
}
/// <summary>
/// Validates the mapping/configuration of functions in the model.
/// </summary>
/// <param name="model"> The model to validate. </param>
/// <param name="logger"> The logger to use. </param>
protected virtual void ValidateDbFunctions([NotNull] IModel model, [NotNull] IDiagnosticsLogger <DbLoggerCategory.Model.Validation> logger)
{
foreach (var dbFunction in model.GetDbFunctions())
{
var methodInfo = dbFunction.MethodInfo;
if (string.IsNullOrEmpty(dbFunction.FunctionName))
{
throw new InvalidOperationException(
RelationalStrings.DbFunctionNameEmpty(methodInfo.DisplayName()));
}
if (dbFunction.Translation == null)
{
if (RelationalDependencies.TypeMappingSource.FindMapping(methodInfo.ReturnType) == null)
{
throw new InvalidOperationException(
RelationalStrings.DbFunctionInvalidReturnType(
methodInfo.DisplayName(),
methodInfo.ReturnType.ShortDisplayName()));
}
foreach (var parameter in methodInfo.GetParameters())
{
if (RelationalDependencies.TypeMappingSource.FindMapping(parameter.ParameterType) == null)
{
throw new InvalidOperationException(
RelationalStrings.DbFunctionInvalidParameterType(
parameter.Name,
methodInfo.DisplayName(),
parameter.ParameterType.ShortDisplayName()));
}
}
}
}
}
public void DbFunction_Queryable_custom_translation()
{
var modelBuilder = GetModelBuilder();
var methodInfo = typeof(TestMethods).GetMethod(nameof(TestMethods.MethodJ));
var dbFunctionBuilder = modelBuilder.HasDbFunction(methodInfo);
Assert.False(dbFunctionBuilder.GetInfrastructure()
.CanSetTranslation(args => new SqlFragmentExpression("Empty"), fromDataAnnotation: true));
Assert.Null(dbFunctionBuilder.Metadata.Translation);
dbFunctionBuilder.GetInfrastructure().HasTranslation(args => new SqlFragmentExpression("Empty"));
Assert.Null(dbFunctionBuilder.Metadata.Translation);
dbFunctionBuilder.GetInfrastructure()
.HasTranslation(args => new SqlFragmentExpression("Empty"), fromDataAnnotation: true);
Assert.Null(dbFunctionBuilder.Metadata.Translation);
Assert.Equal(RelationalStrings.DbFunctionQueryableCustomTranslation(methodInfo.DisplayName()),
Assert.Throws <InvalidOperationException>(
() => dbFunctionBuilder.HasTranslation(args => new SqlFragmentExpression("Empty"))).Message);
var dbFunction = dbFunctionBuilder.Metadata;
Assert.Equal(RelationalStrings.DbFunctionQueryableCustomTranslation(methodInfo.DisplayName()),
Assert.Throws <InvalidOperationException>(
() => ((IConventionDbFunction)dbFunction).SetTranslation(args => new SqlFragmentExpression("Empty"))).Message);
Assert.Equal(RelationalStrings.DbFunctionQueryableCustomTranslation(methodInfo.DisplayName()),
Assert.Throws <InvalidOperationException>(
() => ((IConventionDbFunction)dbFunction)
.SetTranslation(args => new SqlFragmentExpression("Empty"), fromDataAnnotation: true)).Message);
Assert.Equal(RelationalStrings.DbFunctionQueryableCustomTranslation(methodInfo.DisplayName()),
Assert.Throws <InvalidOperationException>(
() => dbFunction.Translation = args => new SqlFragmentExpression("Empty")).Message);
}
public virtual void Detects_duplicate_foreignKey_names_within_hierarchy_with_different_uniqueness()
{
var modelBuilder = CreateConventionalModelBuilder();
modelBuilder.Entity <Animal>();
var fk1 = modelBuilder.Entity <Cat>().HasOne <Person>().WithMany().HasForeignKey(c => c.Name).HasPrincipalKey(p => p.Name)
.HasConstraintName("FK_Animal_Person_Name").Metadata;
var fk2 = modelBuilder.Entity <Dog>().HasOne <Person>().WithOne().HasForeignKey <Dog>(d => d.Name)
.HasPrincipalKey <Person>(p => p.Name)
.HasConstraintName("FK_Animal_Person_Name").Metadata;
VerifyError(
RelationalStrings.DuplicateForeignKeyUniquenessMismatch(
"{'" + nameof(Dog.Name) + "'}", nameof(Dog),
"{'" + nameof(Cat.Name) + "'}", nameof(Cat),
nameof(Animal), "FK_Animal_Person_Name"),
modelBuilder.Model);
var index1 = fk1.DeclaringEntityType.GetDeclaredIndexes().Single();
var index2 = fk2.DeclaringEntityType.GetDeclaredIndexes().Single();
Assert.NotSame(index1, index2);
Assert.NotEqual(index1.GetName(), index2.GetName());
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public override void AddDbParameter(DbCommand command, object value)
{
Check.NotNull(command, nameof(command));
Check.NotNull(value, nameof(value));
if (value is object[] innerValues)
{
if (innerValues.Length < RelationalParameters.Count)
{
throw new InvalidOperationException(
RelationalStrings.MissingParameterValue(
RelationalParameters[innerValues.Length].InvariantName));
}
for (var i = 0; i < RelationalParameters.Count; i++)
{
RelationalParameters[i].AddDbParameter(command, innerValues[i]);
}
}
else
{
throw new InvalidOperationException(RelationalStrings.ParameterNotObjectArray(InvariantName));
}
}
public void BatchCommands_throws_on_incomplete_updates_for_shared_table_no_middle_dependent(EntityState state, bool sensitiveLogging)
{
var currentDbContext = CreateContextServices(CreateSharedTableModel()).GetRequiredService <ICurrentDbContext>();
var stateManager = currentDbContext.GetDependencies().StateManager;
var first = new FakeEntity {
Id = 42
};
var firstEntry = stateManager.GetOrCreateEntry(first);
firstEntry.SetEntityState(state);
var second = new AnotherFakeEntity {
Id = 42
};
var secondEntry = stateManager.GetOrCreateEntry(second);
secondEntry.SetEntityState(state);
if (sensitiveLogging)
{
Assert.Equal(RelationalStrings.SharedRowEntryCountMismatchSensitive(
nameof(FakeEntity), nameof(FakeEntity), nameof(DerivedRelatedFakeEntity), "Id:42", state),
Assert.Throws <InvalidOperationException>(
() => CreateCommandBatchPreparer(currentDbContext: currentDbContext, sensitiveLogging: sensitiveLogging)
.BatchCommands(new[] { firstEntry, secondEntry }).ToArray()).Message);
}
else
{
Assert.Equal(RelationalStrings.SharedRowEntryCountMismatch(
nameof(FakeEntity), nameof(FakeEntity), nameof(DerivedRelatedFakeEntity), state),
Assert.Throws <InvalidOperationException>(
() => CreateCommandBatchPreparer(currentDbContext: currentDbContext, sensitiveLogging: sensitiveLogging)
.BatchCommands(new[] { firstEntry, secondEntry }).ToArray()).Message);
}
}
public virtual async Task Complex_query_with_groupBy_in_subquery4(bool async)
{
var message = (await Assert.ThrowsAsync <InvalidOperationException>(
() => AssertQuery(
async,
ss => ss.Set <Customer>()
.Select(
c => new
{
Key = c.CustomerID,
Subquery = c.Orders
.Select(o => new { First = o.OrderID, Second = o.Customer.City + o.CustomerID })
.GroupBy(x => x.Second)
.Select(g => new { Sum = g.Sum(x => x.First), Count = g.Count(x => x.Second.StartsWith("Lon")) }).ToList()
}),
elementSorter: e => e.Key,
elementAsserter: (e, a) =>
{
Assert.Equal(e.Key, a.Key);
AssertCollection(e.Subquery, a.Subquery);
}))).Message;
Assert.Equal(RelationalStrings.MissingIdentifyingProjectionInDistinctGroupBySubquery("o.OrderID"), message);
}
/// <summary>
/// Closes the connection to the database.
/// </summary>
public virtual void Close()
{
if (_openedCount > 0 &&
--_openedCount == 0 &&
_openedInternally)
{
if (_connection.Value.State != ConnectionState.Closed)
{
_logger.LogDebug(
RelationalEventId.ClosingConnection,
new
{
_connection.Value.Database,
_connection.Value.DataSource
},
state =>
RelationalStrings.RelationalLoggerClosingConnection(
state.Database,
state.DataSource));
_connection.Value.Close();
}
_openedInternally = false;
}
}
public async Task Exception_thrown_if_rows_returned_for_command_without_store_generated_values_is_not_1()
{
var entry = CreateEntry(EntityState.Added);
var command = new ModificationCommand("T1", null, new ParameterNameGenerator().GenerateNext, true, null);
command.AddEntry(entry);
var connection = CreateConnection(
CreateFakeDataReader(
new[] { "Col1" }, new List <object[]>
{
new object[] { 42 }
}));
var batch = new ModificationCommandBatchFake();
batch.AddCommand(command);
Assert.Equal(
RelationalStrings.UpdateConcurrencyException(1, 42),
(await Assert.ThrowsAsync <DbUpdateConcurrencyException>(
async() => await batch.ExecuteAsync(connection))).Message);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual string ResolveConnectionString(string connectionString)
{
var connectionName = TryGetConnectionName(connectionString);
if (connectionName == null)
{
return(connectionString);
}
var configuration = _options.FindExtension <CoreOptionsExtension>()
?.ApplicationServiceProvider
?.GetService <IConfiguration>();
var resolved = configuration?[connectionName]
?? configuration?[DefaultSection + connectionName];
if (resolved == null)
{
throw new InvalidOperationException(
RelationalStrings.NamedConnectionStringNotFound(connectionName));
}
return(resolved);
}
/// <summary>
/// Opens the connection to the database.
/// </summary>
public virtual void Open()
{
CheckForAmbientTransactions();
if (_connection.Value.State == ConnectionState.Broken)
{
_connection.Value.Close();
}
if (_connection.Value.State != ConnectionState.Open)
{
_logger.LogDebug(
RelationalEventId.OpeningConnection,
new
{
_connection.Value.Database,
_connection.Value.DataSource
},
state =>
RelationalStrings.RelationalLoggerOpeningConnection(
state.Database,
state.DataSource));
_connection.Value.Open();
if (_openedCount == 0)
{
_openedInternally = true;
_openedCount++;
}
}
else
{
_openedCount++;
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
protected virtual void ValidateDbFunctions([NotNull] IModel model)
{
foreach (var dbFunction in model.Relational().DbFunctions)
{
var methodInfo = dbFunction.MethodInfo;
if (string.IsNullOrEmpty(dbFunction.FunctionName))
{
throw new InvalidOperationException(
RelationalStrings.DbFunctionNameEmpty(methodInfo.DisplayName()));
}
if (dbFunction.Translation == null)
{
if (!RelationalDependencies.TypeMapper.IsTypeMapped(methodInfo.ReturnType))
{
throw new InvalidOperationException(
RelationalStrings.DbFunctionInvalidReturnType(
methodInfo.DisplayName(),
methodInfo.ReturnType.ShortDisplayName()));
}
foreach (var parameter in methodInfo.GetParameters())
{
if (!RelationalDependencies.TypeMapper.IsTypeMapped(parameter.ParameterType))
{
throw new InvalidOperationException(
RelationalStrings.DbFunctionInvalidParameterType(
parameter.Name,
methodInfo.DisplayName(),
parameter.ParameterType.ShortDisplayName()));
}
}
}
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual string GenerateScript(
string fromMigration = null,
string toMigration = null,
bool idempotent = false)
{
IEnumerable <string> appliedMigrations;
if (string.IsNullOrEmpty(fromMigration) ||
fromMigration == Migration.InitialDatabase)
{
appliedMigrations = Enumerable.Empty <string>();
}
else
{
var fromMigrationId = _migrationsAssembly.GetMigrationId(fromMigration);
appliedMigrations = _migrationsAssembly.Migrations
.Where(t => string.Compare(t.Key, fromMigrationId, StringComparison.OrdinalIgnoreCase) <= 0)
.Select(t => t.Key);
}
IReadOnlyList <Migration> migrationsToApply, migrationsToRevert;
PopulateMigrations(
appliedMigrations,
toMigration,
out migrationsToApply,
out migrationsToRevert);
var builder = new IndentedStringBuilder();
if (fromMigration == Migration.InitialDatabase ||
string.IsNullOrEmpty(fromMigration))
{
builder.AppendLine(_historyRepository.GetCreateIfNotExistsScript());
builder.Append(_sqlGenerationHelper.BatchTerminator);
}
for (var i = 0; i < migrationsToRevert.Count; i++)
{
var migration = migrationsToRevert[i];
var previousMigration = i != migrationsToRevert.Count - 1
? migrationsToRevert[i + 1]
: null;
_logger.LogDebug(
RelationalEventId.GeneratingMigrationDownScript,
() => RelationalStrings.GeneratingDown(migration.GetId()));
foreach (var command in GenerateDownSql(migration, previousMigration))
{
if (idempotent)
{
builder.AppendLine(_historyRepository.GetBeginIfExistsScript(migration.GetId()));
using (builder.Indent())
{
builder.AppendLines(command.CommandText);
}
builder.AppendLine(_historyRepository.GetEndIfScript());
}
else
{
builder.AppendLine(command.CommandText);
}
builder.Append(_sqlGenerationHelper.BatchTerminator);
}
}
foreach (var migration in migrationsToApply)
{
_logger.LogDebug(
RelationalEventId.GeneratingMigrationUpScript,
() => RelationalStrings.GeneratingUp(migration.GetId()));
foreach (var command in GenerateUpSql(migration))
{
if (idempotent)
{
builder.AppendLine(_historyRepository.GetBeginIfNotExistsScript(migration.GetId()));
using (builder.Indent())
{
builder.AppendLines(command.CommandText);
}
builder.AppendLine(_historyRepository.GetEndIfScript());
}
else
{
builder.AppendLine(command.CommandText);
}
builder.Append(_sqlGenerationHelper.BatchTerminator);
}
}
return(builder.ToString());
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
protected virtual void ValidateSharedColumnsCompatibility(
[NotNull] IReadOnlyList <IEntityType> mappedTypes, [NotNull] string tableName)
{
var propertyMappings = new Dictionary <string, IProperty>();
foreach (var property in mappedTypes.SelectMany(et => et.GetDeclaredProperties()))
{
var propertyAnnotations = property.Relational();
var columnName = propertyAnnotations.ColumnName;
if (propertyMappings.TryGetValue(columnName, out var duplicateProperty))
{
var previousAnnotations = duplicateProperty.Relational();
var currentTypeString = propertyAnnotations.ColumnType
?? TypeMapper.GetMapping(property).StoreType;
var previousTypeString = previousAnnotations.ColumnType
?? TypeMapper.GetMapping(duplicateProperty).StoreType;
if (!currentTypeString.Equals(previousTypeString, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(
RelationalStrings.DuplicateColumnNameDataTypeMismatch(
duplicateProperty.DeclaringEntityType.DisplayName(),
duplicateProperty.Name,
property.DeclaringEntityType.DisplayName(),
property.Name,
columnName,
tableName,
previousTypeString,
currentTypeString));
}
if (property.IsColumnNullable() != duplicateProperty.IsColumnNullable())
{
throw new InvalidOperationException(
RelationalStrings.DuplicateColumnNameNullabilityMismatch(
duplicateProperty.DeclaringEntityType.DisplayName(),
duplicateProperty.Name,
property.DeclaringEntityType.DisplayName(),
property.Name,
columnName,
tableName));
}
var currentComputedColumnSql = propertyAnnotations.ComputedColumnSql ?? "";
var previousComputedColumnSql = previousAnnotations.ComputedColumnSql ?? "";
if (!currentComputedColumnSql.Equals(previousComputedColumnSql, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(
RelationalStrings.DuplicateColumnNameComputedSqlMismatch(
duplicateProperty.DeclaringEntityType.DisplayName(),
duplicateProperty.Name,
property.DeclaringEntityType.DisplayName(),
property.Name,
columnName,
tableName,
previousComputedColumnSql,
currentComputedColumnSql));
}
var currentDefaultValue = propertyAnnotations.DefaultValue;
var previousDefaultValue = previousAnnotations.DefaultValue;
if (!Equals(currentDefaultValue, previousDefaultValue))
{
throw new InvalidOperationException(
RelationalStrings.DuplicateColumnNameDefaultSqlMismatch(
duplicateProperty.DeclaringEntityType.DisplayName(),
duplicateProperty.Name,
property.DeclaringEntityType.DisplayName(),
property.Name,
columnName,
tableName,
previousDefaultValue ?? "NULL",
currentDefaultValue ?? "NULL"));
}
var currentDefaultValueSql = propertyAnnotations.DefaultValueSql ?? "";
var previousDefaultValueSql = previousAnnotations.DefaultValueSql ?? "";
if (!currentDefaultValueSql.Equals(previousDefaultValueSql, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(
RelationalStrings.DuplicateColumnNameDefaultSqlMismatch(
duplicateProperty.DeclaringEntityType.DisplayName(),
duplicateProperty.Name,
property.DeclaringEntityType.DisplayName(),
property.Name,
columnName,
tableName,
previousDefaultValueSql,
currentDefaultValueSql));
}
}
else
{
propertyMappings[columnName] = property;
}
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
protected virtual void ValidateSharedForeignKeysCompatibility(
[NotNull] IReadOnlyList <IEntityType> mappedTypes, [NotNull] string tableName)
{
var foreignKeyMappings = new Dictionary <string, IForeignKey>();
foreach (var foreignKey in mappedTypes.SelectMany(et => et.GetDeclaredForeignKeys()))
{
var foreignKeyAnnotations = foreignKey.Relational();
var foreignKeyName = foreignKeyAnnotations.Name;
if (!foreignKeyMappings.TryGetValue(foreignKeyName, out var duplicateForeignKey))
{
foreignKeyMappings[foreignKeyName] = foreignKey;
continue;
}
var principalAnnotations = foreignKey.PrincipalEntityType.Relational();
var principalTable = Format(principalAnnotations.Schema, principalAnnotations.TableName);
var duplicateAnnotations = duplicateForeignKey.PrincipalEntityType.Relational();
var duplicatePrincipalTable = Format(duplicateAnnotations.Schema, duplicateAnnotations.TableName);
if (!string.Equals(principalTable, duplicatePrincipalTable, StringComparison.OrdinalIgnoreCase))
{
throw new InvalidOperationException(
RelationalStrings.DuplicateForeignKeyPrincipalTableMismatch(
Property.Format(foreignKey.Properties),
foreignKey.DeclaringEntityType.DisplayName(),
Property.Format(duplicateForeignKey.Properties),
duplicateForeignKey.DeclaringEntityType.DisplayName(),
tableName,
foreignKeyName,
principalTable,
duplicatePrincipalTable));
}
if (!foreignKey.Properties.Select(p => p.Relational().ColumnName)
.SequenceEqual(duplicateForeignKey.Properties.Select(p => p.Relational().ColumnName)))
{
throw new InvalidOperationException(
RelationalStrings.DuplicateForeignKeyColumnMismatch(
Property.Format(foreignKey.Properties),
foreignKey.DeclaringEntityType.DisplayName(),
Property.Format(duplicateForeignKey.Properties),
duplicateForeignKey.DeclaringEntityType.DisplayName(),
tableName,
foreignKeyName,
foreignKey.Properties.FormatColumns(),
duplicateForeignKey.Properties.FormatColumns()));
}
if (!foreignKey.PrincipalKey.Properties
.Select(p => p.Relational().ColumnName)
.SequenceEqual(
duplicateForeignKey.PrincipalKey.Properties
.Select(p => p.Relational().ColumnName)))
{
throw new InvalidOperationException(
RelationalStrings.DuplicateForeignKeyPrincipalColumnMismatch(
Property.Format(foreignKey.Properties),
foreignKey.DeclaringEntityType.DisplayName(),
Property.Format(duplicateForeignKey.Properties),
duplicateForeignKey.DeclaringEntityType.DisplayName(),
tableName,
foreignKeyName,
foreignKey.PrincipalKey.Properties.FormatColumns(),
duplicateForeignKey.PrincipalKey.Properties.FormatColumns()));
}
if (foreignKey.IsUnique != duplicateForeignKey.IsUnique)
{
throw new InvalidOperationException(
RelationalStrings.DuplicateForeignKeyUniquenessMismatch(
Property.Format(foreignKey.Properties),
foreignKey.DeclaringEntityType.DisplayName(),
Property.Format(duplicateForeignKey.Properties),
duplicateForeignKey.DeclaringEntityType.DisplayName(),
tableName,
foreignKeyName));
}
if (foreignKey.DeleteBehavior != duplicateForeignKey.DeleteBehavior)
{
throw new InvalidOperationException(
RelationalStrings.DuplicateForeignKeyDeleteBehaviorMismatch(
Property.Format(foreignKey.Properties),
foreignKey.DeclaringEntityType.DisplayName(),
Property.Format(duplicateForeignKey.Properties),
duplicateForeignKey.DeclaringEntityType.DisplayName(),
tableName,
foreignKeyName,
foreignKey.DeleteBehavior,
duplicateForeignKey.DeleteBehavior));
}
}
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
protected virtual void ValidateSharedTableCompatibility(
[NotNull] IReadOnlyList <IEntityType> mappedTypes, [NotNull] string tableName)
{
if (mappedTypes.Count == 1)
{
return;
}
var firstValidatedType = mappedTypes[0];
var typesToValidate = new Queue <IEntityType>();
typesToValidate.Enqueue(firstValidatedType);
var unvalidatedTypes = new HashSet <IEntityType>(mappedTypes.Skip(1));
while (typesToValidate.Count > 0)
{
var entityType = typesToValidate.Dequeue();
var typesToValidateLeft = typesToValidate.Count;
var nextTypeSet = unvalidatedTypes.Where(
unvalidatedType =>
entityType.RootType() == unvalidatedType.RootType() ||
IsIdentifyingPrincipal(entityType, unvalidatedType) ||
IsIdentifyingPrincipal(unvalidatedType, entityType));
foreach (var nextEntityType in nextTypeSet)
{
var key = entityType.FindPrimaryKey();
var otherKey = nextEntityType.FindPrimaryKey();
if (key.Relational().Name != otherKey.Relational().Name)
{
throw new InvalidOperationException(
RelationalStrings.IncompatibleTableKeyNameMismatch(
tableName,
entityType.DisplayName(),
nextEntityType.DisplayName(),
key.Relational().Name,
Property.Format(key.Properties),
otherKey.Relational().Name,
Property.Format(otherKey.Properties)));
}
typesToValidate.Enqueue(nextEntityType);
}
foreach (var typeToValidate in typesToValidate.Skip(typesToValidateLeft))
{
unvalidatedTypes.Remove(typeToValidate);
}
}
if (unvalidatedTypes.Count == 0)
{
return;
}
foreach (var invalidEntityType in unvalidatedTypes)
{
throw new InvalidOperationException(
RelationalStrings.IncompatibleTableNoRelationship(
tableName,
invalidEntityType.DisplayName(),
firstValidatedType.DisplayName(),
Property.Format(invalidEntityType.FindPrimaryKey().Properties),
Property.Format(firstValidatedType.FindPrimaryKey().Properties)));
}
}
protected override async Task ConsumeAsync(
RelationalDataReader relationalReader, CancellationToken cancellationToken = default)
{
var commandPosition = 0;
int rowsAffected;
try
{
do
{
while (commandPosition < CommandResultSet.Count &&
CommandResultSet[commandPosition] == ResultSetMapping.NoResultSet)
{
commandPosition++;
}
if (commandPosition < CommandResultSet.Count)
{
if (ModificationCommands[commandPosition].RequiresResultPropagation)
{
rowsAffected = 0;
do
{
var tableModification = ModificationCommands[commandPosition];
if (!await relationalReader.ReadAsync(cancellationToken))
{
throw new DbUpdateConcurrencyException(
RelationalStrings.UpdateConcurrencyException(
ModificationCommands.Count(m => m.RequiresResultPropagation), rowsAffected),
ModificationCommands[commandPosition].Entries);
}
var valueBufferFactory = CreateValueBufferFactory(tableModification.ColumnModifications);
tableModification.PropagateResults(valueBufferFactory.Create(relationalReader.DbDataReader));
rowsAffected++;
}while (++commandPosition < CommandResultSet.Count &&
CommandResultSet[commandPosition - 1] == ResultSetMapping.NotLastInResultSet);
}
else
{
var expectedRowsAffected = 1;
while (++commandPosition < CommandResultSet.Count &&
CommandResultSet[commandPosition - 1] == ResultSetMapping.NotLastInResultSet)
{
expectedRowsAffected++;
}
if (relationalReader.Read())
{
rowsAffected = relationalReader.DbDataReader.GetInt32(0);
if (rowsAffected != expectedRowsAffected)
{
throw new DbUpdateConcurrencyException(
RelationalStrings.UpdateConcurrencyException(expectedRowsAffected, rowsAffected),
ModificationCommands[commandPosition - 1].Entries);
}
}
else
{
throw new DbUpdateConcurrencyException(
RelationalStrings.UpdateConcurrencyException(1, 0),
ModificationCommands[commandPosition - 1].Entries);
}
}
}
}while (commandPosition < CommandResultSet.Count &&
await relationalReader.DbDataReader.NextResultAsync(cancellationToken));
}
catch (DbUpdateException)
{
throw;
}
catch (Exception ex)
{
throw new DbUpdateException(
RelationalStrings.UpdateStoreException,
ex, ModificationCommands[commandPosition].Entries);
}
}
public void Throws_for_unrecognized_types()
{
var ex = Assert.Throws <InvalidOperationException>(() => new SqlServerTypeMapper(new RelationalTypeMapperDependencies()).GetMapping("magic"));
Assert.Equal(RelationalStrings.UnsupportedType("magic"), ex.Message);
}
protected override void Consume(RelationalDataReader reader)
{
var npgsqlReader = (NpgsqlDataReader)reader.DbDataReader;
#pragma warning disable 618
Debug.Assert(npgsqlReader.Statements.Count == ModificationCommands.Count, $"Reader has {npgsqlReader.Statements.Count} statements, expected {ModificationCommands.Count}");
#pragma warning restore 618
var commandIndex = 0;
try
{
while (true)
{
// Find the next propagating command, if any
int nextPropagating;
for (nextPropagating = commandIndex;
nextPropagating < ModificationCommands.Count &&
!ModificationCommands[nextPropagating].RequiresResultPropagation;
nextPropagating++)
{
}
// Go over all non-propagating commands before the next propagating one,
// make sure they executed
for (; commandIndex < nextPropagating; commandIndex++)
{
#pragma warning disable 618
if (npgsqlReader.Statements[commandIndex].Rows == 0)
{
throw new DbUpdateConcurrencyException(
RelationalStrings.UpdateConcurrencyException(1, 0),
ModificationCommands[commandIndex].Entries
);
}
#pragma warning restore 618
}
if (nextPropagating == ModificationCommands.Count)
{
Debug.Assert(!npgsqlReader.NextResult(), "Expected less resultsets");
break;
}
// Propagate to results from the reader to the ModificationCommand
var modificationCommand = ModificationCommands[commandIndex++];
if (!reader.Read())
{
throw new DbUpdateConcurrencyException(
RelationalStrings.UpdateConcurrencyException(1, 0),
modificationCommand.Entries);
}
var valueBufferFactory = CreateValueBufferFactory(modificationCommand.ColumnModifications);
modificationCommand.PropagateResults(valueBufferFactory.Create(npgsqlReader));
npgsqlReader.NextResult();
}
}
catch (DbUpdateException)
{
throw;
}
catch (Exception ex)
{
throw new DbUpdateException(
RelationalStrings.UpdateStoreException,
ex,
ModificationCommands[commandIndex].Entries);
}
}
public override async Task Include_collection_with_last_no_orderby(bool async)
=> Assert.Equal(
RelationalStrings.LastUsedWithoutOrderBy(nameof(Enumerable.Last)),
(await Assert.ThrowsAsync <InvalidOperationException>(
() => base.Include_collection_with_last_no_orderby(async))).Message);
