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111 lines
2.7 KiB
Plaintext
111 lines
2.7 KiB
Plaintext
---
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id: insert
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title: 'Create data: insert()'
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slug: insert
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custom_edit_url: https://github.com/supabase/supabase/edit/master/spec/supabase_js_v1_legacy.yml
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---
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import Tabs from '@theme/Tabs'
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import TabItem from '@theme/TabItem'
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Performs an INSERT into the table.
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```js
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const { data, error } = await supabase
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.from('cities')
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.insert([{ name: 'The Shire', country_id: 554 }])
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```
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## Parameters
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<ul className="method-list-group">
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<li className="method-list-item">
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<h4 className="method-list-item-label">
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<span className="method-list-item-label-name">
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values
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</span>
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<span className="method-list-item-label-badge required">
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required
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</span>
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<span className="method-list-item-validation">
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<code>Partial</code> | <code>array</code>
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</span>
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</h4>
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<div class="method-list-item-description">
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The values to insert.
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</div>
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</li>
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<li className="method-list-item">
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<h4 className="method-list-item-label">
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<span className="method-list-item-label-name">
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options
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</span>
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<span className="method-list-item-label-badge false">
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optional
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</span>
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<span className="method-list-item-validation">
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<code>undefined</code> | <code>reflection</code>
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</span>
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</h4>
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<div class="method-list-item-description">
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No description provided.
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</div>
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</li>
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</ul>
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## Notes
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- By default, every time you run `insert()`, the client library will make a `select` to return the full record.
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This is convenient, but it can also cause problems if your Policies are not configured to allow the `select` operation.
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If you are using Row Level Security and you are encountering problems, try setting the `returning` param to `minimal`.
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## Examples
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### Create a record
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```js
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const { data, error } = await supabase
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.from('cities')
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.insert([{ name: 'The Shire', country_id: 554 }])
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```
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### Bulk create
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When running a bulk create, the operation is handled in a single transaction. If any of the inserts fail, all other operations are
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rolled back.
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```js
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const { data, error } = await supabase.from('cities').insert([
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{ name: 'The Shire', country_id: 554 },
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{ name: 'Rohan', country_id: 555 },
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])
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```
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### Upsert
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For upsert, if set to true, primary key columns would need to be included
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in the data parameter in order for an update to properly happen. Also, primary keys
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used must be natural, not surrogate. There are however,
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[workarounds](https://github.com/PostgREST/postgrest/issues/1118)
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for surrogate primary keys.
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```js
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const { data, error } = await supabase.from('cities').insert(
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[
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{ name: 'The Shire', country_id: 554 },
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{ name: 'Rohan', country_id: 555 },
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{ name: 'City by the Bay', country_id: 840 },
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],
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{ upsert: true }
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)
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```
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