protected override SqlExpression GetInsertIdentityExpression(MetaDataMember member)
{
var exp = new SqlVariable(member.Type, typeProvider.From(member.Type),
"NEXT VALUE FOR " + FirebirdSqlBuilder.GetSequenceName(member), dominatingExpression);
return(exp);
}
protected override SqlExpression GetReturnIdentityExpression(MetaDataMember idMember, bool isOutputFromInsert)
{
var name = string.Format("GEN_ID({0},0)", FirebirdSqlBuilder.GetSequenceName(idMember));
return(new SqlVariable(typeof(int), typeProvider.From(typeof(int)), name, dominatingExpression));
//var selection = new SqlVariable(typeof(int), typeProvider.From(typeof(int)), name, dominatingExpression);
//var from = new SqlVariable(typeof(int), typeProvider.From(typeof(int)), "$$FFF", dominatingExpression);
//return new SqlSelect(selection, new SqlSource(SqlNodeType.Variable, from), dominatingExpression);
}
private string GetDropSquenceCommand(MetaTable metaTable)
{
if (metaTable.RowType.DBGeneratedIdentityMember == null)
{
return(null);
}
var commandText = "DROP SEQUENCE " + FirebirdSqlBuilder.GetSequenceName(metaTable.RowType.DBGeneratedIdentityMember);
return(commandText);
}
void IProviderExtend.CreateForeignKeys(MetaTable metaTable)
{
//var metaTable = services.Model.GetTable(metaTable);
var sqlBuilder = new FirebirdSqlBuilder(this);
var commands = sqlBuilder.GetCreateForeignKeyCommands(metaTable);
foreach (var command in commands)
{
services.Context.ExecuteCommand(command);
}
}
void IProviderExtend.DeleteTable(MetaTable metaTable)
{
//var metaTable = services.Model.GetTable(metaTable);
//var sql = "DROP TABLE {0}";
//sql = string.Format(sql, metaTable.TableName);
//services.Context.ExecuteCommand(sql);
var commands = new FirebirdSqlBuilder(this).GetDropTableCommands(metaTable);
foreach (var command in commands)
{
Debug.Assert(!string.IsNullOrEmpty(command));
services.Context.ExecuteCommand(command);
}
}
void IProviderExtend.CreateTable(MetaTable metaTable)
{
//var metaTable = services.Model.GetTable(metaTable);
//var sqlBuilder = new FirebirdSqlBuilder(this);
//var command = sqlBuilder.GetCreateTableCommand(metaTable);
//services.Context.ExecuteCommand(command);
var sqlBuilder = new FirebirdSqlBuilder(this);
var commands = sqlBuilder.GetCreateTableCommands(metaTable);
foreach (var command in commands)
{
Debug.Assert(command != null);
services.Context.ExecuteCommand(command);
}
}
void IProvider.CreateDatabase()
{
var connection = ((FbConnection)Connection);
var builder = new FbConnectionStringBuilder(connection.ConnectionString);
if (File.Exists(builder.Database))
{
throw SqlClient.Error.CreateDatabaseFailedBecauseSqlCEDatabaseAlreadyExists(services.Model.DatabaseName);
}
FbConnection.CreateDatabase(connection.ConnectionString);
connection.Open();
var transaction = connection.BeginTransaction();
var sqlBuilder = FirebirdSqlBuilder.CreateInstance(this);
try
{
if (services.Model.GetTables().Count() == 0)
{
throw SqlClient.Error.CreateDatabaseFailedBecauseOfContextWithNoTables(services.Model.DatabaseName);
}
var model = services.Model;
//foreach (var table in model.GetTables())
//{
// string createTableCommand = sqlBuilder.GetCreateTableCommand(table);
// if (!string.IsNullOrEmpty(createTableCommand))
// Execute(connection, transaction, createTableCommand);
//}
//Create Generator
//foreach (var table in model.GetTables())
//{
// if (table.RowType.DBGeneratedIdentityMember != null)
// {
// var commandText = "CREATE SEQUENCE " + FirebirdSqlBuilder.GetSequenceName(table.RowType.DBGeneratedIdentityMember);
// Execute(connection, transaction, commandText);
// }
//}
//foreach (var table in model.GetTables())
//{
// var commandText = sqlBuilder.GetCreatePrimaryKeyCommand(table);
// if (!string.IsNullOrEmpty(commandText))
// Execute(connection, transaction, commandText);
//}
foreach (var table in model.GetTables())
{
var commands = sqlBuilder.GetCreateTableCommands(table);
foreach (var command in commands)
{
Execute(connection, transaction, command);
}
}
foreach (MetaTable table in model.GetTables())
{
foreach (string commandText in sqlBuilder.GetCreateForeignKeyCommands(table))
{
if (!string.IsNullOrEmpty(commandText))
{
Execute(connection, transaction, commandText);
}
}
}
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
finally
{
connection.Close();
}
}
