Node ORM: SQL Agent 11

New version of SQL Agent brings some improvements and bug fixes.

• Update it via NPM $ npm install sqlagent
• Documentation: https://github.com/totaljs/node-sqlagent

Improved listing method

I have improved sql.listing() method for all databases. Now it returns an extended object with new properties: page, pages and limit.

sql.listing('users', 'tbl_user');
sql.exec(console.log);

Output:

{
    count: 300,
    items: [....].
    page: 1,
    pages: 10,
    limit: 10
}

Inline callback

Inline callback can be defined in SqlBuilder and it supports only the one callback function. The example below describes the functionality:

sql.listing('tbl_user').make(function(builder) {
    builder.where('age', '>', 18);
    builder.callback(function(err, response) {
        console.log(err, response);
    });
});

sql.update('tbl_user').make(function(builder) {
    builder.where('age', '>', 18);
    builder.inc('countview', 1);
    builder.callback(function(err, response) {
        console.log(err, response);
    });
});


sql.exec();

MongoDB problems

Each version of MongoDB is a bit different and this is a big problem for long term projects. Therefore I don't recommend to use MongoDB. This version of SQL Agent solves a problem with a new version of MongoDB driver and with storing static files in GridFS. Support Node PostgreSQL it's really good and helpful module.

PostgreSQL improvements

PostgreSQL Native C/C++ bindings

I have improved connection string for PostgreSQL by adding a native parameter for enabling PostgreSQL native C/C++ bindings which is much faster than classic pure JavaScript implementation.

First install pg-native:

$ npm install pg pg-native

Connection string:

postgresql://user:password@127.0.0.1/database_name?native=true

Usage is absolutely same than you're use with pure JavaScript implementation, so just change your connection string and everything will work like a charm.

Fixed storing files in older PG version

I have fixed storing files in older < 9.3 versions of PostgreSQL. This module stores files in pg_largeobject collection. Files are stored in chunks and reading/writing is built on Node.js streams.

Good to know

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