qoo
qoop
npm i qoop
qoo

qoop

An OOP style Mysql query builder.

by Chiyan Chen

0.1.0 (see all)TypeScript:Not FoundCategories:Vanilla JavaScript MySQL Query Builder
npm i qoop
Readme

qoop

A purely object oriented mysql query builder.

Install

npm install qoop

Use

var qoop = require('qoop');
var Query = qoop.Query;
var Table = qoop.Table;

APIs

Query

  • new Query
  • select
  • from
  • where
  • asc
  • desc
  • limit
  • offset
  • group
  • having
  • union

Table

  • new Table
  • col
  • as
  • where
  • all
  • join
  • leftJoin
  • rightJoin
  • leftOuterJoin
  • rightOuterJoin

Join

  • on

Column

  • as
  • isNull
  • isNotNull
  • isTrue
  • isFalse
  • is
  • isIn
  • count
  • distinct
  • min
  • max
  • sum

Condition

  • and
  • or
  • not

Example

var notDelete = function(table) {
    table.where(
        table.col('deleted').isNull()
            .or(table.col('deleted').isFalse())
    );
};

var s = new Table('students').as('s');
notDelete(s);
s.where(s.col('birth_date').is('>', new Date(1974, 11, 8)));

var c = new Table('courses').as('c');
notDelete(c);

var c2 = new Table('courses').as('c2');
notDelete(c2);

var r = new Table('registrations').as('r');
notDelete(r);

var q1 = new Query().select(
        s.all()
    ).from(
        s
            .join(r).on(r.col('student_id').is('=', s.col('id')))
            .join(c).on(c.col('id').is('=', r.col('course_id')))
    ).where(
        c.col('credits').is('>=', 4)
            .and(s.col('gender').is('=', 'male').not())
            .and(r.col('date_created').is('<', '2014-10-01'))
            .and(new Query().select(c2.col('id')).from(c2).where(c2.col('credits').is('>', c.col('credits'))).exists().not())
    ).group(s.col('id')).having(
        c.col('id').count().is('>', 2)
            .and(c.col('credits').sum().is('<=', 10))
    ).asc(
        s.col('last_name')
    ).desc(
        s.col('birth_date')
    ).limit(20).offset(10)
    ;

var q2 = new Query().select(
        s.all()
    ).from(
        s
    ).where(
        s.col('gender').is('=', 'mail')
    )
    ;


var q = q1.union(q2);

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LAST COMMIT

5yrs ago

MAINTAINERS

1

CONTRIBUTORS

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VersionTagPublished
0.1.0
latest
5yrs ago
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