Example #1
0
        private string CreateCopySql(StaticDB.Table table)
        {
            var sb        = new StringBuilder();
            var tableName = FauFau.SDBrowser.SDBrowser.GetTableOrFieldName(table.Id);

            sb.Append($"COPY {Schema}.\"{tableName}\" (");

            for (var i = 0; i < table.Columns.Count; i++)
            {
                var col  = table.Columns[i];
                var name = FauFau.SDBrowser.SDBrowser.GetTableOrFieldName(col.Id);
                sb.Append($"\"{name}\"");

                if (table.Columns.Count - 1 != i)
                {
                    sb.Append(", ");
                }
            }

            sb.Append(") FROM STDIN (FORMAT BINARY)");
            return(sb.ToString());
        }
Example #2
0
        public static void ImportDataToTable(SdbTableMapping.TableMapping tableMapping, StaticDB.Table table, NpgsqlConnection conn = null)
        {
            if (conn == null)
            {
                conn = Conn;
            }
            var copySql = CreateCoprySql(tableMapping);

            using (var writer = conn.BeginBinaryImport(copySql)) {
                for (var i = 0; i < table.Rows.Count; i++)
                {
                    var row = table.Rows[i];
                    writer.StartRow();
                    for (var index = 0; index < row.Fields.Count; index++)
                    {
                        var field     = row.Fields[index];
                        var fieldinfo = tableMapping.Colums[index];

                        if (field == null)
                        {
                            writer.WriteNull();
                        }
                        else if (IsBasicType(fieldinfo.SdbType))
                        {
                            if (fieldinfo.SdbType == StaticDB.DBType.UShort)
                            {
                                writer.Write(Convert.ToInt32(field));
                            }
                            else if (fieldinfo.SdbType == StaticDB.DBType.UInt)
                            {
                                writer.Write(Convert.ToInt64(field));
                            }
                            else if (fieldinfo.SdbType == StaticDB.DBType.ULong)
                            {
                                var val = (long)(ulong)field;
                                writer.Write(val);
                            }
                            else if (fieldinfo.SdbType == StaticDB.DBType.Half)
                            {
                                writer.Write(Convert.ToSingle(field));
                            }
                            else if (field is string fieldStr)   // clean nulls from the end of strings
                            {
                                var val = fieldStr.Replace("\0", "");
                                writer.Write(val);
                            }
                            else if (field is char fieldChar)
                            {
                                if (fieldChar == '\0')   // feels abit eh, TODO: check incase of char trouble
                                {
                                    Console.WriteLine($"Got an invalid char {fieldChar} in table {tableMapping.Name} ({tableMapping.Idx}) on colum {fieldinfo.Name} row {i}");
                                    writer.Write(' ');
                                }
                                else
                                {
                                    writer.Write(fieldChar);
                                }
                            }
                            else
                            {
                                writer.Write(field);
                            }
                        }
                        else if (IsCustomType(fieldinfo.SdbType))
                        {
                            writer.Write(field);
                        }
                        else if (IsArrayType(fieldinfo.SdbType))
                        {
                            if (field is List <ushort> shortsList)
                            {
                                var val = shortsList.Select(x => Convert.ToInt32(x)).ToList();
                                writer.Write(val);
                            }
                            else if (field is List <uint> intsList)
                            {
                                var val = intsList.Select(x => Convert.ToInt64(x)).ToList();
                                writer.Write(val);
                            }
                            else
                            {
                                writer.Write(field);
                            }
                        }
                        else
                        {
                            Console.WriteLine("Unhandled type");
                            writer.WriteNull();
                        }
                    }
                }

                writer.Complete();
            }

            Console.WriteLine($"Imported data to table {tableMapping.Name} ({tableMapping.Idx})");
        }