/// <summary>
/// Adds a new SQL generator to be used for a given database provider.
/// </summary>
/// <param name="providerInvariantName"> Name of the database provider to set the SQL generator for. </param>
/// <param name="migrationSqlGenerator"> The SQL generator to be used. </param>
public void SetSqlGenerator(string providerInvariantName, MigrationSqlGenerator migrationSqlGenerator)
{
Check.NotEmpty(providerInvariantName, "providerInvariantName");
Check.NotNull(migrationSqlGenerator, "migrationSqlGenerator");
_sqlGenerators[providerInvariantName] = migrationSqlGenerator;
}
/// <summary>
/// Adds a new SQL generator to be used for a given database provider.
/// </summary>
/// <param name="providerInvariantName"> Name of the database provider to set the SQL generator for. </param>
/// <param name="migrationSqlGenerator"> The SQL generator to be used. </param>
public void SetSqlGenerator(
string providerInvariantName,
MigrationSqlGenerator migrationSqlGenerator)
{
Check.NotEmpty(providerInvariantName, nameof(providerInvariantName));
Check.NotNull <MigrationSqlGenerator>(migrationSqlGenerator, nameof(migrationSqlGenerator));
this._sqlGenerators[providerInvariantName] = migrationSqlGenerator;
}
public static void RunMigration(this DbContext context, DbMigration migration)
{
var prop = migration.GetType().GetProperty("Operations", BindingFlags.NonPublic | BindingFlags.Instance);
if (prop != null)
{
IEnumerable <MigrationOperation> operations = prop.GetValue(migration) as IEnumerable <MigrationOperation>;
MigrationSqlGenerator generator = (new DbMigrationsConfiguration()).GetSqlGenerator("JetEntityFrameworkProvider");
var statements = generator.Generate(operations, "Jet");
foreach (MigrationStatement item in statements)
{
context.Database.ExecuteSqlCommand(item.Sql);
}
}
}
internal static IEnumerable <MigrationStatement> GenerateMigrationStatements(
TransactionContext context)
{
if (DbConfiguration.DependencyResolver.GetService <Func <MigrationSqlGenerator> >((object)context.InternalContext.ProviderName) != null)
{
MigrationSqlGenerator sqlGenerator = context.InternalContext.MigrationsConfiguration.GetSqlGenerator(context.InternalContext.ProviderName);
DbConnection connection = context.Database.Connection;
CreateTableOperation createTableOperation = (CreateTableOperation) new EdmModelDiffer().Diff(new DbModelBuilder().Build(connection).GetModel(), context.GetModel(), (Lazy <ModificationCommandTreeGenerator>)null, (MigrationSqlGenerator)null, (string)null, (string)null).Single <MigrationOperation>();
string providerManifestToken = context.InternalContext.ModelProviderInfo != null ? context.InternalContext.ModelProviderInfo.ProviderManifestToken : DbConfiguration.DependencyResolver.GetService <IManifestTokenResolver>().ResolveManifestToken(connection);
return(sqlGenerator.Generate((IEnumerable <MigrationOperation>) new CreateTableOperation[1]
{
createTableOperation
}, providerManifestToken));
}
return((IEnumerable <MigrationStatement>) new MigrationStatement[1]
{
new MigrationStatement()
{
Sql = ((IObjectContextAdapter)context).ObjectContext.CreateDatabaseScript(),
SuppressTransaction = true
}
});
}
public CustomOracleSqlCodeGen(MigrationSqlGenerator innerSqlGenerator)
{
_innerSqlGenerator = innerSqlGenerator;
}
public WrappingSqlGenerator(MigrationSqlGenerator baseGenerator)
{
_baseGenerator = baseGenerator;
}
/// <summary />
/// <param name="migrationSqlGenerator">
/// SQL Generator que será decorado.
/// </param>
public MigrationSqlGeneratorWithDiscriminatorIndexSupport(MigrationSqlGenerator migrationSqlGenerator)
{
_migrationSqlGenerator = migrationSqlGenerator;
}