Exemplo n.º 1
0
        private static void CreateTables(sqlite3 handle, List <string> tableNames, LiteWriter writer)
        {
            foreach (var tableName in tableNames)
            {
                var stmt = SQLite3.Prepare2(handle, "pragma table_info(" + tableName + ")");
                try {
                    int           offset  = 0;
                    List <Column> columns = new List <Column>();
                    while (SQLite3.Step(stmt) == SQLite3.Result.Row)
                    {
                        string name    = SQLite3.ColumnString(stmt, 1);
                        string type    = SQLite3.ColumnString(stmt, 2);
                        int    notNull = SQLite3.ColumnInt(stmt, 3);

                        var ct     = GetType(type);
                        var column = new Column(name, ct, offset);
                        columns.Add(column);

                        offset += LiteData.GetLength(ct);
                    }

                    var columnArray = new Column[columns.Count];
                    columns.CopyTo(columnArray);

                    var table = writer.AddTable(tableName, columnArray, offset);

                    AddRows(handle, table);
                } finally {
                    SQLite3.Finalize(stmt);
                }
            }
        }
Exemplo n.º 2
0
            public void Write(int columnIndex, float value)
            {
                var column = table.Columns[columnIndex];

                if (column.Type != ColumnType.Single)
                {
                    throw new InvalidCastException();
                }

                LiteData.WriteSingle(data, column.Offset, value);
            }
Exemplo n.º 3
0
            public void Write(int columnIndex, string value)
            {
                var column = table.Columns[columnIndex];

                if (column.Type != ColumnType.String)
                {
                    throw new InvalidCastException();
                }

                int index = table.Writer.AddString(value);

                LiteData.WriteInt32(data, column.Offset, index);
            }