using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data.Common; using Npgsql; using FLocal.Core.DB; namespace FLocal.MySQLConnector { public class PostgresDBTraits : IDBTraits { public static readonly PostgresDBTraits instance = new PostgresDBTraits(); public DbConnection createConnection(string connectionString) { return new Npgsql.NpgsqlConnection(connectionString); } public long LastInsertId(DbCommand command, ITableSpec table) { string sequenceName = table.name + "_" + table.idName + "_seq"; using(DbCommand newCommand = command.Connection.CreateCommand()) { if(command.Transaction != null) { newCommand.Transaction = command.Transaction; } newCommand.CommandType = System.Data.CommandType.Text; newCommand.CommandText = "SELECT CURRVAL(" + this.escapeIdentifier(sequenceName) + ")"; return (long)newCommand.ExecuteScalar(); } } public string escapeIdentifier(string identifier) { return "\"" + identifier.Replace("\"", "") + "\""; } public string markParam(string param) { return ":" + param; } public bool supportsIsolationLevel() { return true; } } }