public virtual IReadOnlyList <MigrationOperation> CreateSchema([NotNull] IModel model)
{
Check.NotNull(model, "model");
_operations = new MigrationOperationCollection();
_operations.AddRange(GetSequences(model)
.Select(s => OperationFactory.CreateSequenceOperation(s)));
_operations.AddRange(model.EntityTypes
.Select(t => OperationFactory.CreateTableOperation(t)));
// TODO: GitHub#1107
_operations.AddRange(_operations.Get <CreateTableOperation>()
.SelectMany(o => o.ForeignKeys));
_operations.AddRange(_operations.Get <CreateTableOperation>()
.SelectMany(o => o.Indexes));
return(OperationProcessor.Process(_operations, new Metadata.Model(), model));
}
private void HandleTransitiveRenames()
{
const string temporaryNamePrefix = "__mig_tmp__";
var temporaryNameIndex = 0;
_operations.Set(HandleTransitiveRenames(
_operations.Get <RenameSequenceOperation>(),
op => null,
op => op.SequenceName,
op => new SchemaQualifiedName(op.NewSequenceName, op.SequenceName.Schema),
op => new SchemaQualifiedName(temporaryNamePrefix + temporaryNameIndex++, op.SequenceName.Schema),
(parentName, name, newName) => new RenameSequenceOperation(name, SchemaQualifiedName.Parse(newName).Name)));
_operations.Set(HandleTransitiveRenames(
_operations.Get <RenameTableOperation>(),
op => null,
op => op.TableName,
op => new SchemaQualifiedName(op.NewTableName, op.TableName.Schema),
op => new SchemaQualifiedName(temporaryNamePrefix + temporaryNameIndex++, op.TableName.Schema),
(parentName, name, newName) => new RenameTableOperation(name, SchemaQualifiedName.Parse(newName).Name)));
_operations.Set(HandleTransitiveRenames(
_operations.Get <RenameColumnOperation>(),
op => op.TableName,
op => op.ColumnName,
op => op.NewColumnName,
op => temporaryNamePrefix + temporaryNameIndex++,
(parentName, name, newName) => new RenameColumnOperation(parentName, name, newName)));
_operations.Set(HandleTransitiveRenames(
_operations.Get <RenameIndexOperation>(),
op => op.TableName,
op => op.IndexName,
op => op.NewIndexName,
op => temporaryNamePrefix + temporaryNameIndex++,
(parentName, name, newName) => new RenameIndexOperation(parentName, name, newName)));
}
public virtual IReadOnlyList <MigrationOperation> Diff([NotNull] IModel sourceModel, [NotNull] IModel targetModel)
{
Check.NotNull(sourceModel, "sourceModel");
Check.NotNull(targetModel, "targetModel");
_sourceMapping = _databaseBuilder.GetMapping(sourceModel);
_targetMapping = _databaseBuilder.GetMapping(targetModel);
_operations = new MigrationOperationCollection();
DiffSequences();
DiffTables();
// TODO: Add more unit tests for the operation order.
HandleTransitiveRenames();
return
(((IEnumerable <MigrationOperation>)_operations.Get <DropIndexOperation>())
.Concat(_operations.Get <DropForeignKeyOperation>())
.Concat(_operations.Get <DropPrimaryKeyOperation>())
.Concat(_operations.Get <DropColumnOperation>())
.Concat(_operations.Get <DropTableOperation>())
.Concat(_operations.Get <MoveTableOperation>())
.Concat(_operations.Get <RenameTableOperation>())
.Concat(_operations.Get <RenameColumnOperation>())
.Concat(_operations.Get <RenameIndexOperation>())
.Concat(_operations.Get <AlterColumnOperation>())
.Concat(_operations.Get <CreateTableOperation>())
.Concat(_operations.Get <AddColumnOperation>())
.Concat(_operations.Get <AddPrimaryKeyOperation>())
.Concat(_operations.Get <AddForeignKeyOperation>())
.Concat(_operations.Get <CreateIndexOperation>())
.ToArray());
}
public virtual IReadOnlyList <MigrationOperation> Diff([NotNull] IModel sourceModel, [NotNull] IModel targetModel)
{
Check.NotNull(sourceModel, "sourceModel");
Check.NotNull(targetModel, "targetModel");
_sourceMapping = _databaseBuilder.GetMapping(sourceModel);
_targetMapping = _databaseBuilder.GetMapping(targetModel);
_operations = new MigrationOperationCollection();
DiffSequences();
DiffTables();
// TODO: Needs to handle name reuse between renames and circular renames.
// TODO: Add unit tests for rename column conflict and operation order.
HandleRenameConflicts();
return
(((IEnumerable <MigrationOperation>)_operations.Get <DropIndexOperation>())
.Concat(_operations.Get <DropForeignKeyOperation>())
.Concat(_operations.Get <DropPrimaryKeyOperation>())
.Concat(_operations.Get <DropDefaultConstraintOperation>())
.Concat(_operations.Get <MoveTableOperation>())
.Concat(_operations.Get <RenameTableOperation>())
.Concat(_operations.Get <RenameColumnOperation>())
.Concat(_operations.Get <RenameIndexOperation>())
.Concat(_operations.Get <CreateTableOperation>())
.Concat(_operations.Get <AddColumnOperation>())
.Concat(_operations.Get <AlterColumnOperation>())
.Concat(_operations.Get <AddDefaultConstraintOperation>())
.Concat(_operations.Get <AddPrimaryKeyOperation>())
.Concat(_operations.Get <AddForeignKeyOperation>())
.Concat(_operations.Get <CreateIndexOperation>())
.Concat(_operations.Get <DropColumnOperation>())
.Concat(_operations.Get <DropTableOperation>())
.ToArray());
}
