![]() ![]() Example: Our database has a table named pet with data in the following columns: id, eID (electronic identifier), and name. It will help you to understand the normal workflow for database operations. SQLite Operators: COUNT Problem: You’d like to determine how many rows a table has. You should really read and absorb the introduction. And, since the value of that column is an integer, we use the sqlite3_column_int() function, which returns the value as a 32-bit integer.įor most ordinary database operations, you only need to use a few of the functions in the SQLite C API. DISTINCT COUNT () will return a row for each unique count. SELECT COUNT (DISTINCT programname) AS Count, programtype AS Type FROM cmproduction WHERE pushnumberpushnumber GROUP BY programtype. rowcount This read-only attribute specifies the number of rows that the last. Count all the DISTINCT program names by program type and push number. Cursor Objects should respond to the following methods and attributes. Since there is only one column in this query, the index of 0 is used for the left-most, or only, column in the result. From PEP 249, which is usually implemented by Python database APIs. ![]() ![]() To get the values for the current row in the result set, you have to access them by column index, using the prepared statement that is executing the query. error handling -> no rows returned, or an error occurred error handling -> statement not prepared Rc = sqlite3_prepare_v2(db, sqlQuery, -1, &stmt, NULL) sqlQuery = "select count(*) from company " It also returns an error code if something bad happened. It returns SQLITE_ROW if there is another row in the result set, or SQLITE_DONE if there isn't. The sqlite3_step() function does not return the results of the query. ![]()
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