Created
August 29, 2013 22:23
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How to best hydrate a relational sql dump? Ideally with unknown tables and unknown columns. Notice school_provider_program.id is even mapped to school.programs.id in the results...
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| /** | |
| * Module dependencies | |
| */ | |
| var express = require('express'); | |
| var app = module.exports = express(); | |
| var Knex = require('knex'); | |
| var _ = require('lodash'); | |
| if ('development' === app.get('env')) { | |
| var db = Knex.Initialize({ | |
| client: 'mysql', | |
| connection: { | |
| host: '33.33.33.10', | |
| user: 'root', | |
| database: 'cddirect_dev' | |
| } | |
| }); | |
| } | |
| // Fetch specific model from collection | |
| app.get('/api/top-available-schools', function(req, res) { | |
| var q = req.query; | |
| q.select = q.select && q.select.split(','); | |
| db('school') | |
| .select([ | |
| 'school.id AS id', | |
| 'school.name AS name', | |
| 'school_provider.name AS provider+name', | |
| 'school.slug AS slug', | |
| 'school_program.name AS programs+name', | |
| 'school_provider_program.id AS programs+id', | |
| 'school_provider.cpl AS provider+cpl' | |
| ]) | |
| .join('school_provider', 'school.active_provider_id', '=', 'school_provider.id') | |
| .join('school_program', 'school_program.school_id', '=', 'school.id') | |
| .join('school_provider_program', 'school_provider_program.school_program_id', '=', 'school_program.id') | |
| .andWhere('school.is_enabled', '=', 1) | |
| .orderBy('school.priority', 'desc') | |
| .limit(q.limit || 3) | |
| .then(function(results) { | |
| res.send(expand(results)); | |
| }) | |
| ; | |
| }); |
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