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Rico Sta. Cruz 2016-10-12 18:00:21 +08:00
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---
title: Postgresql JSON
category: Development
---
```
SELECT * FROM users WHERE data->>'name' = 'John'
SELECT data->>'name' AS name FROM users
```
| Postgres | JavaScript pseudocode |
| ---- | ---- |
| WHERE `data->>'name'` = 'John' | `data.name` |
| WHERE `data ? 'name'` | `data.hasOwnProperty('name')` |
| `jsonb_array_elements_text(data->'tags')` | `data.map(d => d.tags).flatten.uniq` |