Sqlite module for node and backendjs

Usage

``javascript
var sqlite = require("bkjs-sqlite");

var db = new sqlite.Database("test.db", sqlite.SQLITE_OPEN_CREATE, function(err) {
if (err) console.log(err);

this.runSync("PRAGMA cache_size=5000");
this.runSync("CREATE TABLE test(a int, b text)")

this.query("SELECT name FROM sqlite_master WHERE type=?", ["table"], function(err, tables) {
console.log(err, tables);
});
});
`

Database class


- new Database(filename, options, callback) - create new database object,
the callback will be called with an Error if occured.
- Properties:
- open - return 1 if the db is open
- affected_rows - returns number of rows affected by the last operation
- inserted_oid - last auto generated ID
- Methods:
- exec(sql[, callback]) - execute the SQL statememt in a worker thread
- run(sql, [values], [callback]) - execute a DDL statement in a worker thread, supports
parameters in the statement
- runSync(sql, [values]) - execute a DDL statement synchronously
- query(sql, [values], [callback]) - execute any SQL statement in a worker thread, if a callback
is given it will be passed an array with result if exists, otherwise empty array
- querySync(sql, [values]) - execute a SQL statement synchronously, returns array with result
- close([callback]) - close the database in a worker thread
- closeSync() - close the database in the main thread
- copy(db2) - copy currently open database into another, db2 can be an open db object or a file name

Statement class

- new Statement(db, sql, callback) - create new SQL statement object for a database and SQL statement, a callback
will be called with an error if occured, otherwise prepared statement is ready for execution
- Methods:
- prepare(sql, [callback]) - prepare another SQL statement in the existing statement object
- run([callback]) - execute prepared DDL statement in a worker thread
- runSync() - execute prepared DDL statememnt in the main thread
- query([values], [callback]) - execute prepared statement with values for the parameters, if callback is given it will be passed the results
- querySync([values]) - execute prepared statement with values for the parameters in the main thread
- finalize()` - close and free the statement, it cannot be used anymore and will be deleted eventually

Author

Vlad Seryakov