mirror of
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148 lines
2.0 KiB
Plaintext
148 lines
2.0 KiB
Plaintext
---
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id: is_
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title: ".is_()"
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slug: is_
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custom_edit_url: https://github.com/supabase/supabase/edit/master/web/spec/dart.yml
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---
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import Tabs from '@theme/Tabs';
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import TabsPanel from '@theme/TabsPanel';
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A check for exact equality (null, true, false), finds all rows whose value on the stated `column` exactly match the specified `value`.
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`is_` and `in_` filter methods are suffixed with `_` to avoid collisions with reserved keywords.
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<Tabs
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defaultActiveId="dart"
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groupId="reference/dart"
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values={[{ label: 'Dart', value: 'dart' }]}>
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<TabsPanel id="dart" label="dart">
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```dart
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final res = await supabase
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.from('cities')
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.select('name, country_id')
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.is_('name', null)
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.execute();
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```
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</TabsPanel>
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</Tabs>
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## Examples
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### With `select()`
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<Tabs
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defaultActiveId="dart"
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groupId="reference/dart"
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values={[{ label: 'Dart', value: 'dart' }]}>
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<TabsPanel id="dart" label="dart">
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```dart
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final res = await supabase
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.from('cities')
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.select('name, country_id')
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.is_('name', null)
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.execute();
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```
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</TabsPanel>
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</Tabs>
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### With `update()`
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<Tabs
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defaultActiveId="dart"
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groupId="reference/dart"
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values={[{ label: 'Dart', value: 'dart' }]}>
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<TabsPanel id="dart" label="dart">
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```dart
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final res = await supabase
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.from('cities')
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.update({ 'name': 'Mordor' })
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.is_('name', null)
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.execute();
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```
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</TabsPanel>
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</Tabs>
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### With `delete()`
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<Tabs
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defaultActiveId="dart"
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groupId="reference/dart"
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values={[{ label: 'Dart', value: 'dart' }]}>
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<TabsPanel id="dart" label="dart">
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```dart
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final res = await supabase
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.from('cities')
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.delete()
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.is_('name', null)
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.execute();
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```
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</TabsPanel>
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</Tabs>
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### With `rpc()`
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<Tabs
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defaultActiveId="dart"
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groupId="reference/dart"
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values={[{ label: 'Dart', value: 'dart' }]}>
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<TabsPanel id="dart" label="dart">
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```dart
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// Only valid if the Stored Procedure returns a table type.
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final res = await supabase
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.rpc('echo_all_cities')
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.is_('name', null)
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.execute();
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```
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</TabsPanel>
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</Tabs> |