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.count()
Get the total number of records matching the specified criteria.
var numRecords = await Model.count(criteria);
Usage
| # | Argument | Type | Details |
|---|---|---|---|
| 1 | criteria | The Waterline criteria to use for matching records in the database. Note that count queries do not support pagination using skip and limit or projections using select. |
Result
| Type | Description |
|---|---|
| The number of records from your database which match the given criteria. |
Errors
| Name | Type | When? |
|---|---|---|
| UsageError | Thrown if something invalid was passed in. | |
| AdapterError | Thrown if something went wrong in the database adapter. | |
| Error | Thrown if anything else unexpected happens. |
See Concepts > Models and ORM > Errors for examples of negotiating errors in Sails and Waterline.
Example
var total = await User.count({name:'Flynn'});
sails.log(`There ${total===1?'is':'are'} ${total} user${total===1?'':'s'} named "Flynn".`);
return res.json(total);
Notes
- This method can be used with
await, promise chaining, or traditional Node callbacks.
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Reference
- Application
- Blueprint API
- Command-line interface
-
Configuration
- sails.config.*
- sails.config.blueprints
- sails.config.bootstrap()
- sails.config.custom
- sails.config.datastores
- sails.config.globals
- sails.config.http
- sails.config.i18n
- sails.config.log
- sails.config.models
- sails.config.policies
- sails.config.routes
- sails.config.security
- sails.config.session
- sails.config.sockets
- sails.config.views
-
Request (`req`)
- req._startTime
- req.body
- req.cookies
- req.fresh
- req.headers
- req.hostname
- req.ip
- req.ips
- req.isSocket
- req.method
- req.options
- req.originalUrl
- req.params
- req.path
- req.protocol
- req.query
- req.secure
- req.signedCookies
- req.socket
- req.subdomains
- req.url
- req.wantsJSON
- req.xhr
- req.accepts()
- req.acceptsCharsets()
- req.acceptsLanguages()
- req.allParams()
- req.file()
- req.get()
- req.is()
- req.param()
- req.setLocale()
- req.setTimeout()
- req.host
- Response (`res`)
- Waterline (ORM)
- WebSockets
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