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While inside the context, you used cursor to execute a query and fetch the results. def row_to_dict(row): return dict(zip([t[0] for t in row.cursor_description], row)) An example usage is to get another cursor: ... (This is known as manifest typing which is also the way that Python works. SQLite3 Cursor. deselected), the "add" (resp. The following simple example retrieves the list of column names: ... A child class (“python_connector_example”) represents the custom portions of a particular client, for example, querying a table. (cursor.connect("add") can also be used as a decorator to register a callback, see below for an example.) The following example shows how to query data using a cursor created using the connection's cursor() method. The exact graphic may vary according to your operating system. To execute the SQLite3 statements, you should establish a connection at first and then create an object of the cursor using the connection object as follows: For situations where the cursor is not available - for example, when the rows have been returned by some function call or inner method, you can still create a dictionary representation by using row.cursor_description. The variable a could contain an integer, and then you could put a string in it. 2.2 Cursor Objects. GitHub Gist: instantly share code, notes, and snippets. description The DB-API 2.0 cursor description member.. A list of 7-item tuples. The data returned is formatted and printed on the console. The SQLite3 cursor is a method of the connection object. You can create it using the cursor() method. In this case, you issued a query to count the rows in the users table. Cursor.description ¶ Based on the DB ... Returns the Connection this cursor belongs to. Column metadata is stored in the Cursor object in the description attribute. The cursor description attribute provides metadata about the columns of the result set returned by the execute method.descriptions is a tuple of column tuples. Implements the DB-API 2.0 Cursor class.. Cursor objects have the following interface: . Whenever a point is selected (resp. The description is a list of 7-item tuples where each tuple consists of a column name, column type, display size, internal size, precision, scale and whether null is possible. To fetch the result from the query, you executed cursor.fetchone() and received a tuple. Cursor.description ¶ This read-only attribute is a sequence of 7-item sequences. Detailed information about data types is available through the description attribute of cursor objects. The values for each column tuple are: (column_name, type, None, None, None, None, null_ok, column_flags) (Obviously, only the first two and last two are of interest.) Python - Tkinter Cursors - Python Tkinter supports quite a number of different mouse cursors available. The task is to select all employees hired in the year 1999 and print their names and hire dates to the console. In the case of an unbuffered cursor, trying to close the cursor object or executing a new query before reading the result set from the old one will result in InternalError: Unread result found exception. Here are two examples which demonstrate these facts in action: Example 1: Closing cursor object before reading the result set Python curses example. ... See Fetch Methods for an example. The description Attribute . "remove") event is triggered and the registered callbacks are executed, with the Selection as only argument. To execute SQLite statements in Python, you need a cursor object. Here, the only callback updates the text of the annotation to a per-point label. 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