public void CreateSimpleTableAsAdmin()
{
var tableName = ObjectName.Parse("APP.test_table");
var tableInfo = new TableInfo(tableName);
tableInfo.AddColumn("a", PrimitiveTypes.Integer(), true);
tableInfo.AddColumn("b", PrimitiveTypes.String());
using (var session = Database.CreateUserSession(AdminUserName, AdminPassword)) {
using (var context = new SessionQueryContext(session)) {
Assert.DoesNotThrow(() => {
context.CreateTable(tableInfo);
});
}
Assert.DoesNotThrow(() => session.Commit());
}
using (var session = Database.CreateUserSession(AdminUserName, AdminPassword)) {
using (var context = new SessionQueryContext(session)) {
bool exists = false;
Assert.DoesNotThrow(() => exists = context.TableExists(tableName));
Assert.IsTrue(exists);
}
}
}
public static User Authenticate(this IDatabase database, string username, string password, ConnectionEndPoint endPoint)
{
// Create a temporary connection for authentication only...
using (var session = database.CreateSystemSession()) {
session.CurrentSchema(SystemSchema.Name);
session.ExclusiveLock();
using (var queryContext = new SessionQueryContext(session)) {
return queryContext.Authenticate(username, password, endPoint);
}
}
}
protected override IQueryContext CreateQueryContext(IDatabase database)
{
// We first create the table in another context...
using (var session = database.CreateUserSession(AdminUserName, AdminPassword)) {
using (var context = new SessionQueryContext(session)) {
var tableInfo = new TableInfo(ObjectName.Parse("APP.test_table"));
tableInfo.AddColumn("a", PrimitiveTypes.Integer());
tableInfo.AddColumn("b", PrimitiveTypes.String(), false);
context.CreateTable(tableInfo, false, false);
}
session.Commit();
}
return base.CreateQueryContext(database);
}
protected virtual IQueryContext OnAuthenticate(string defaultSchema, string username, string password)
{
var user = Database.Authenticate(username, password, RemoteEndPoint);
if (user == null)
return null;
var connection = Database.CreateUserSession(user);
// Put the connection in exclusive mode
connection.ExclusiveLock();
var context = new SessionQueryContext(connection);
try {
// By default, connections are auto-commit
connection.AutoCommit(true);
// Set the default schema for this connection if it exists
if (context.SchemaExists(defaultSchema)) {
context.CurrentSchema(defaultSchema);
} else {
// TODO: Log the warning..
// If we can't change to the schema then change to the APP schema
connection.CurrentSchema(Database.DatabaseContext.DefaultSchema());
}
} finally {
try {
connection.Commit();
} catch (TransactionException e) {
// TODO: Log the warning
}
}
return context;
}
public void Create(string adminName, string adminPassword)
{
if (DatabaseContext.ReadOnly())
throw new DatabaseSystemException("Can not create database in Read only mode.");
if (String.IsNullOrEmpty(adminName))
throw new ArgumentNullException("adminName");
if (String.IsNullOrEmpty(adminPassword))
throw new ArgumentNullException("adminPassword");
try {
// Create the conglomerate
TableComposite.Create();
using (var session = this.CreateInitialSystemSession()) {
session.AutoCommit(false);
using (var context = new SessionQueryContext(session)) {
session.ExclusiveLock();
session.CurrentSchema(SystemSchema.Name);
// Create the schema information tables
CreateSchemata(context);
// The system tables that are present in every conglomerate.
SystemSchema.CreateTables(context);
// Create the system views
// TODO: InformationSchema.CreateSystemViews(session);
this.CreateAdminUser(context, adminName, adminPassword);
SetCurrentDataVersion(context);
// Set all default system procedures.
// TODO: SystemSchema.SetupSystemFunctions(session, username);
try {
// Close and commit this transaction.
session.Commit();
} catch (TransactionException e) {
throw new DatabaseSystemException("Could not commit the initial information", e);
}
}
}
// Close the conglomerate.
TableComposite.Close();
} catch (DatabaseSystemException e) {
throw;
} catch (Exception e) {
throw new DatabaseSystemException("An error occurred while creating the database.", e);
}
}
