31 lines
857 B
JavaScript
31 lines
857 B
JavaScript
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var knex = require('knex'),
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config = require('../../config'),
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dbConfig = config.database,
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knexInstance;
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function configureDriver(client) {
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var pg;
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if (client === 'pg' || client === 'postgres' || client === 'postgresql') {
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try {
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pg = require('pg');
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} catch (e) {
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pg = require('pg.js');
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}
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// By default PostgreSQL returns data as strings along with an OID that identifies
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// its type. We're setting the parser to convert OID 20 (int8) into a javascript
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// integer.
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pg.types.setTypeParser(20, function (val) {
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return val === null ? null : parseInt(val, 10);
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});
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}
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}
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if (!knexInstance && dbConfig && dbConfig.client) {
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configureDriver(dbConfig.client);
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knexInstance = knex(dbConfig);
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}
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module.exports = knexInstance;
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