Ejemplo n.º 1
0
        public List <T> ReadTableData <T>(string tablename) where T : AbstractSqliteDataClass, new()
        {
            List <T>      lst = new List <T>();
            DataBaseTable dt  = GetTable(tablename);

            for (int i = 0; i < dt.Rows.Count; i++)
            {
                DataRow row = dt.Rows[i];
                lst.Add(JsonMapper.ToObject <T>(JsonMapper.ToJson(row)));
            }
            return(lst);
        }
Ejemplo n.º 2
0
        public void UpdateData(string tablename, int index)
        {
            if (string.IsNullOrEmpty(tablename))
            {
                Debug.LogError("tablename is error");
                return;
            }
            //"_rowid_"
            string        sql  = string.Format("SELECT 1 FROM " + tablename);
            DataBaseTable data = m_sqlDB.ExecuteQuery(sql);
            //Debug.LogError(data.Rows.Count);

            //INSERT OR REPLACE INTO Employee ("id", "name", "role") VALUES (1, "John Foo", "CEO")
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Executes a query that requires a response (SELECT, etc).
        /// </summary>
        /// <returns>
        /// Dictionary with the response data
        /// </returns>
        /// <param name='query'>
        /// Query.
        /// </param>
        /// <exception cref='SqliteException'>
        /// Is thrown when the sqlite exception.
        /// </exception>
        public DataBaseTable ExecuteQuery(string query)
        {
            if (!CanExQuery)
            {
                Debug.Log("ERROR: Can't execute the query, verify DB origin file");
                return(null);
            }

            this.Open();
            if (!IsConnectionOpen)
            {
                throw new SqliteException("SQLite database is not open.");
            }

            IntPtr stmHandle = Prepare(query);

            int columnCount = sqlite3_column_count(stmHandle);

            var dataTable = new DataBaseTable();

            for (int i = 0; i < columnCount; i++)
            {
                string columnName = Marshal.PtrToStringAnsi(sqlite3_column_name(stmHandle, i));
                dataTable.Columns.Add(columnName);
            }


            //populate datatable
            while (sqlite3_step(stmHandle) == SQLITE_ROW)
            {
                object[] row = new object[columnCount];
                for (int i = 0; i < columnCount; i++)
                {
                    switch (sqlite3_column_type(stmHandle, i))
                    {
                    case SQLITE_INTEGER:
                        row[i] = sqlite3_column_int(stmHandle, i);
                        break;

                    case SQLITE_TEXT:
                        IntPtr text = sqlite3_column_text(stmHandle, i);
                        row[i] = Marshal.PtrToStringAnsi(text);
                        break;

                    case SQLITE_FLOAT:
                        row[i] = sqlite3_column_double(stmHandle, i);
                        break;

                    case SQLITE_BLOB:
                        IntPtr blob = sqlite3_column_blob(stmHandle, i);
                        int    size = sqlite3_column_bytes(stmHandle, i);
                        byte[] data = new byte[size];
                        Marshal.Copy(blob, data, 0, size);
                        row[i] = data;
                        break;

                    case SQLITE_NULL:
                        row[i] = null;
                        break;
                    }
                }

                dataTable.AddRow(row);
            }

            Finalize(stmHandle);
            this.Close();
            return(dataTable);
        }
Ejemplo n.º 4
0
        private DataBaseTable GetTable(string tablename)
        {
            DataBaseTable dt = m_sqlDB.ExecuteQuery("SELECT * FROM " + tablename);

            return(dt);
        }