Files
supabase/apps/docs/spec/supabase_dart_v1.yml
Laurence Isla 08e9cdde5e docs: data api docs functions (#44412)
## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.

YES

## What kind of change does this PR introduce?

Replaces "stored procedures" with "functions" for everything related to
the Data API.

## Additional context

It's not accurate to call database functions "stored procedures". It may
have been that way before Postgres 11, but now it causes confusion
because PostgREST allows functions and not stored procedures.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Documentation**
* Standardized terminology across docs, SDK guides, CLI/config specs,
examples, UI, and config comments to use "database functions" instead of
"stored procedures".
* Updated API docs, CLI/config descriptions, Studio UI labels, help
text, empty-state and navigation copy, RPC documentation, and example
text for consistency.
* Adjusted explanatory text and error/help messages to reflect the
revised terminology.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-04-21 11:54:27 +10:00

2935 lines
100 KiB
YAML

openref: 0.1
info:
id: reference/dart
title: Supabase Dart Client
description: |
Supabase Dart.
definition: spec/enrichments/tsdoc_v2/combined.json
slugPrefix: '/'
specUrl: https://github.com/supabase/supabase/edit/master/apps/docs/spec/supabase_dart_v1.yml
libraries:
- name: 'Dart'
id: 'dart'
version: '0.0.1'
functions:
- id: initializing
title: 'Initializing'
$ref: '@supabase/supabase-js.index.SupabaseClient.constructor'
description: |
You can initialize Supabase with the static `initialize()` method of `Supabase` class.
The Supabase client is your entrypoint to the rest of the Supabase functionality
and is the easiest way to interact with everything we offer within the Supabase ecosystem.
examples:
- id: flutter-initialize
name: For Flutter
code: |
```dart
Future<void> main() async {
await Supabase.initialize(
url: 'https://xyzcompany.supabase.co',
anonKey: 'publishable-or-anon-key',
);
runApp(MyApp());
}
// Get a reference your Supabase client
final supabase = Supabase.instance.client;
```
- id: for-other-dart-projects
name: For other Dart projects
code: |
```dart
final supabase = SupabaseClient(
'https://xyzcompany.supabase.co',
'publishable-or-anon-key',
);
```
- id: sign-up
title: 'signUp()'
description: |
Creates a new user.
notes: |
- By default, the user needs to verify their email address before logging in. To turn this off, disable **Confirm email** in [your project](https://supabase.com/dashboard/project/_/auth/providers).
- **Confirm email** determines if users need to confirm their email address after signing up.
- If **Confirm email** is enabled, a `user` is returned but `session` is null.
- If **Confirm email** is disabled, both a `user` and a `session` are returned.
- When the user confirms their email address, they are redirected to the [`SITE_URL`](https://supabase.com/docs/guides/auth/redirect-urls) by default. You can modify your `SITE_URL` or add additional redirect URLs in [your project](https://supabase.com/dashboard/project/_/auth/url-configuration).
- If signUp() is called for an existing confirmed user:
- If **Confirm email** is enabled in [your project](https://supabase.com/dashboard/project/_/auth/providers), an obfuscated/fake user object is returned.
- If **Confirm email** is disabled, the error message, `User already registered` is returned.
examples:
- id: sign-up
name: Sign up.
isSpotlight: true
code: |
```dart
final AuthResponse res = await supabase.auth.signUp(
email: 'example@email.com',
password: 'example-password',
);
final Session? session = res.session;
final User? user = res.user;
```
- id: sign-up-with-metadata
name: Sign up with additional metadata
isSpotlight: true
code: |
```dart
final AuthResponse res = await supabase.auth.signUp(
email: 'example@email.com',
password: 'example-password',
data: {'username': 'my_user_name'},
);
final Session? session = res.session;
final User? user = res.user;
```
- id: sign-up-with-redirect-url
name: Sign up with redirect URL
isSpotlight: true
code: |
```dart
final AuthResponse res = await supabase.auth.signUp(
email: 'example@email.com',
password: 'example-password',
emailRedirectTo: 'com.supabase.myapp://callback',
);
final Session? session = res.session;
final User? user = res.user;
```
- id: sign-in-with-password
title: 'signInWithPassword()'
description: |
Log in an existing user using email or phone number with password.
notes: |
- Requires either an email and password or a phone number and password.
examples:
- id: sign-in-with-email-and-password
name: Sign in with email and password
isSpotlight: true
code: |
```dart
final AuthResponse res = await supabase.auth.signInWithPassword(
email: 'example@email.com',
password: 'example-password',
);
final Session? session = res.session;
final User? user = res.user;
```
- id: sign-in-with-phone-and-password
name: Sign in with phone and password
code: |
```dart
final AuthResponse res = await supabase.auth.signInWithPassword(
phone: '+13334445555',
password: 'example-password',
);
final Session? session = res.session;
final User? user = res.user;
```
- id: sign-in-with-otp
title: 'signInWithOtp()'
notes: |
- Requires either an email or phone number.
- This method is used for passwordless sign-ins where a OTP is sent to the user's email or phone number.
- If you're using an email, you can configure whether you want the user to receive a magiclink or a OTP.
- If you're using phone, you can configure whether you want the user to receive a OTP.
- The magic link's destination URL is determined by the [`SITE_URL`](https://supabase.com/docs/guides/auth/redirect-urls). You can modify the `SITE_URL` or add additional redirect urls in [your project](https://supabase.com/dashboard/project/_/auth/url-configuration).
examples:
- id: sign-in-with-email
name: Sign in with email.
isSpotlight: true
description: |
The user will be sent an email which contains either a magiclink or a OTP or both. By default, a given user can only request a OTP once every 60 seconds.
You can pass `emailRedirectTo` with dynamic link to bring the users back to your app after they click on the magic link.
code: |
```dart
await supabase.auth.signInWithOtp(
email: 'example@email.com',
emailRedirectTo: kIsWeb ? null : 'io.supabase.flutter://signin-callback/',
);
```
- id: sign-in-with-sms-otp
name: Sign in with SMS OTP.
description: The user will be sent a SMS which contains a OTP. By default, a given user can only request a OTP once every 60 seconds.
code: |
```dart
await supabase.auth.signInWithOtp(
phone: '+13334445555',
);
```
- id: sign-in-with-whatsapp-otp
name: Sign in with WhatsApp OTP
isSpotlight: false
description: The user will be sent a WhatsApp message which contains a OTP. By default, a given user can only request a OTP once every 60 seconds. Note that a user will need to have a valid WhatsApp account that is linked to Twilio in order to use this feature.
code: |
```dart
await supabase.auth.signInWithOtp(
phone: '+13334445555',
channel: OtpChannel.whatsapp,
);
```
- id: sign-in-with-apple
title: 'signInWithApple()'
description: |
Signs in a user using native Apple login.
notes: |
- You need to [register your bundle ID](https://developer.apple.com/help/account/manage-identifiers/register-an-app-id/) and add it to Supabase dashboard.
- This method is only available in iOS and macOS
- For other platforms, [signInWithOAuth()](https://supabase.com/docs/reference/dart/auth-signinwithoauth) should be used.
examples:
- id: sign-in-with-apple
name: Sign in with Apple
isSpotlight: true
code: |
```dart
final AuthResponse res = await supabase.auth.signInWithApple();
```
- id: sign-in-with-oauth
title: 'signInWithOAuth()'
description: |
Signs the user in using third party OAuth providers.
notes: |
- This method is used for signing in using a third-party provider.
- Supabase supports many different [third-party providers](https://supabase.com/docs/guides/auth#providers).
examples:
- id: sign-in-using-a-third-party-provider
name: Sign in using a third-party provider
isSpotlight: true
code: |
```dart
await supabase.auth.signInWithOAuth(Provider.github);
```
- id: sign-in-using-a-third-party-provider-with-redirect
name: With `redirectTo`
description: |
Specify the redirect link to bring back the user via deeplink.
Note that `redirectTo` should be null for Flutter Web.
code: |
```dart
await supabase.auth.signInWithOAuth(
Provider.github,
redirectTo: kIsWeb ? null : 'io.supabase.flutter://reset-callback/',
);
```
- id: sign-in-with-scopes
name: With scopes
description: |
If you need additional data from an OAuth provider, you can include a space-separated list of scopes in your request to get back an OAuth provider token.
You may also need to specify the scopes in the provider's OAuth app settings, depending on the provider.
code: |
```dart
await supabase.auth.signInWithOAuth(
Provider.github,
scopes: 'repo gist notifications'
);
...
// after user comes back from signin flow
final Session? session = supabase.auth.currentSession;
final String? oAuthToken = session?.providerToken;
```
- id: sign-out
title: 'signOut()'
description: |
Signs out the current user, if there is a logged in user.
notes: |
- In order to use the `signOut()` method, the user needs to be signed in first.
examples:
- id: sign-out
name: Sign out
isSpotlight: true
code: |
```dart
await supabase.auth.signOut();
```
- id: verify-otp
title: 'verifyOtp()'
notes: |
- The `verifyOtp` method takes in different verification types. If a phone number is used, the type can either be `sms` or `phone_change`. If an email address is used, the type can be one of the following: `signup`, `magiclink`, `recovery`, `invite` or `email_change`.
- The verification type used should be determined based on the corresponding auth method called before `verifyOtp` to sign up / sign-in a user.
examples:
- id: verify-sms-one-time-password(otp)
name: Verify Sms One-Time Password (OTP)
isSpotlight: true
code: |
```dart
final AuthResponse res = await supabase.auth.verifyOTP(
type: OtpType.sms,
token: '111111',
phone: '+13334445555',
);
final Session? session = res.session;
final User? user = res.user;
```
- id: verify-signup-one-time-password(otp)
name: Verify Signup One-Time Password (OTP)
isSpotlight: false
code: |
```dart
final AuthResponse res = await supabase.auth.verifyOTP(
type: OtpType.signup,
token: token,
phone: '+13334445555',
);
final Session? session = res.session;
final User? user = res.user;
```
- id: get-session
title: 'currentSession'
description: |
Returns the session data, if there is an active session.
examples:
- id: get-the-session-data
name: Get the session data
isSpotlight: true
code: |
```dart
final Session? session = supabase.auth.currentSession;
```
- id: get-user
title: 'currentUser'
description: |
Returns the user data, if there is a logged in user.
examples:
- name: Get the logged in user
isSpotlight: true
code: |
```dart
final User? user = supabase.auth.currentUser;
```
- id: update-user
title: 'updateUser()'
description: |
Updates user data for a logged in user.
notes: |
- In order to use the `updateUser()` method, the user needs to be signed in first.
- By Default, email updates sends a confirmation link to both the user's current and new email.
To only send a confirmation link to the user's new email, disable **Secure email change** in your project's [email auth provider settings](https://supabase.com/dashboard/project/_/auth/providers).
examples:
- id: update-the-email-for-an-authenticated-user
name: Update the email for an authenticated user
description: Sends a "Confirm Email Change" email to the new email address.
isSpotlight: true
code: |
```dart
final UserResponse res = await supabase.auth.updateUser(
UserAttributes(
email: 'example@email.com',
),
);
final User? updatedUser = res.user;
```
- id: update-the-password-for-an-authenticated-user
name: Update the password for an authenticated user
isSpotlight: false
code: |
```dart
final UserResponse res = await supabase.auth.updateUser(
UserAttributes(
password: 'new password',
),
);
final User? updatedUser = res.user;
```
- id: update-the-users-metadata
name: Update the user's metadata
isSpotlight: true
code: |
```dart
final UserResponse res = await supabase.auth.updateUser(
UserAttributes(
data: { 'hello': 'world' },
),
);
final User? updatedUser = res.user;
```
- id: update-password-with-reauthentication
name: Update the user's password with a nonce
description: If "Secure password change" is enabled, updating the user's password would require a nonce. The nonce is sent to the user's email or phone number.
isSpotlight: true
code: |
```dart
supabase.auth.updateUser(UserAttributes(
email: 'example@email.com',
nonce: '123456',
));
```
- id: send-password-reauthentication
title: 'reauthenticate()'
notes: |
- This method is used together with `updateUser()` when a user's password needs to be updated.
- This method will send a nonce to the user's email. If the user doesn't have a confirmed email address, the method will send the nonce to the user's confirmed phone number instead.
examples:
- id: send-reauthentication-nonce
name: Send reauthentication nonce
description: Sends a reauthentication nonce to the user's email or phone number.
isSpotlight: true
code: |
```dart
await supabase.auth.reauthenticate();
```
- id: resend-email-or-phone-otps
title: 'resend()'
notes: |
- Resends a signup confirmation, email change or phone change email to the user.
- Passwordless sign-ins can be resent by calling the `signInWithOtp()` method again.
- Password recovery emails can be resent by calling the `resetPasswordForEmail()` method again.
- This method will only resend an email or phone OTP to the user if there was an initial signup, email change or phone change request being made.
examples:
- id: resend-email-signup-confirmation
name: Resend an email signup confirmation
description: Resends the email signup confirmation to the user
isSpotlight: true
code: |
```dart
final ResendResponse res = await supabase.auth.resend(
type: OtpType.email,
email: 'email@example.com',
);
```
- id: on-auth-state-change
title: 'onAuthStateChange()'
description: |
Receive a notification every time an auth event happens.
notes: |
- Types of auth events: `AuthChangeEvent.passwordRecovery`, `AuthChangeEvent.signedIn`, `AuthChangeEvent.signedOut`, `AuthChangeEvent.tokenRefreshed`, `AuthChangeEvent.userUpdated`and `AuthChangeEvent.userDeleted`
examples:
- id: listen-to-auth-changes
name: Listen to auth changes
isSpotlight: true
code: |
```dart
final authSubscription = supabase.auth.onAuthStateChange.listen((data) {
final AuthChangeEvent event = data.event;
final Session? session = data.session;
});
```
- id: list-to-a-specific-event
name: Listen to a specific event
code: |
```dart
final authSubscription = supabase.auth.onAuthStateChange.listen((data) {
final AuthChangeEvent event = data.event;
if (event == AuthChangeEvent.signedIn) {
// handle signIn
}
});
```
- id: unsubscribe-from-auth-subscription
name: Unsubscribe from auth subscription
code: |
```dart
final authSubscription = supabase.auth.onAuthStateChange((event, session) {});
authSubscription.cancel();
```
- id: auth-reset-password-for-email
title: 'resetPasswordForEmail()'
description: |
Sends a reset request to an email address.
notes: |
Sends a password reset request to an email address. When the user clicks the reset link in the email they are redirected back to your application. Prompt the user for a new password and call auth.updateUser():
```dart
await supabase.auth.resetPasswordForEmail(
'sample@email.com',
redirectTo: kIsWeb ? null : 'io.supabase.flutter://reset-callback/',
);
```
examples:
- id: reset-password
name: Reset password for Flutter
isSpotlight: true
code: |
`redirectTo` is used to open the app via deeplink when user opens the password reset email.
```dart
await supabase.auth.resetPasswordForEmail(
'sample@email.com',
redirectTo: kIsWeb ? null : 'io.supabase.flutter://reset-callback/',
);
```
- id: auth-mfa-api
title: 'Overview'
notes: |
This section contains methods commonly used for Multi-Factor Authentication (MFA) and are invoked behind the `supabase.auth.mfa` namespace.
Currently, we only support time-based one-time password (TOTP) as the 2nd factor. We don't support recovery codes but we allow users to enroll more than 1 TOTP factor, with an upper limit of 10.
Having a 2nd TOTP factor for recovery frees the user of the burden of having to store their recovery codes somewhere. It also reduces the attack surface since multiple recovery codes are usually generated compared to just having 1 backup TOTP factor.
- id: mfa-enroll
title: 'mfa.enroll()'
notes: |
Starts the enrollment process for a new Multi-Factor Authentication (MFA) factor. This method creates a new `unverified` factor.
To verify a factor, present the QR code or secret to the user and ask them to add it to their authenticator app.
The user has to enter the code from their authenticator app to verify it.
- Currently, `totp` is the only supported `factorType`. The returned `id` should be used to create a challenge.
- To create a challenge, see [`mfa.challenge()`](/docs/reference/dart/auth-mfa-challenge).
- To verify a challenge, see [`mfa.verify()`](/docs/reference/dart/auth-mfa-verify).
- To create and verify a challenge in a single step, see [`mfa.challengeAndVerify()`](/docs/reference/dart/auth-mfa-challengeandverify).
examples:
- id: enroll-totp-factor
name: Enroll a time-based, one-time password (TOTP) factor
isSpotlight: true
code: |
```dart
final res = await supabase.auth.mfa.enroll(factorType: FactorType.totp);
final qrCodeUrl = res.totp.qrCode;
```
- id: mfa-challenge
title: 'mfa.challenge()'
notes: |
Prepares a challenge used to verify that a user has access to a MFA factor.
- An [enrolled factor](/docs/reference/dart/auth-mfa-enroll) is required before creating a challenge.
- To verify a challenge, see [`mfa.verify()`](/docs/reference/dart/auth-mfa-verify).
examples:
- id: create-mfa-challenge
name: Create a challenge for a factor
isSpotlight: true
code: |
```dart
final res = await supabase.auth.mfa.challenge(
factorId: '34e770dd-9ff9-416c-87fa-43b31d7ef225',
);
```
- id: mfa-verify
title: 'mfa.verify()'
notes: |
Verifies a code against a challenge. The verification code is provided by the user by entering a code seen in their authenticator app.
- To verify a challenge, please [create a challenge](/docs/reference/dart/auth-mfa-challenge) first.
examples:
- id: verify-challenge
name: Verify a challenge for a factor
isSpotlight: true
code: |
```dart
final res = await supabase.auth.mfa.verify(
factorId: '34e770dd-9ff9-416c-87fa-43b31d7ef225',
challengeId: '4034ae6f-a8ce-4fb5-8ee5-69a5863a7c15',
code: '123456',
);
```
- id: mfa-challenge-and-verify
title: 'mfa.challengeAndVerify()'
notes: |
Helper method which creates a challenge and immediately uses the given code to verify against it thereafter. The verification code is provided by the user by entering a code seen in their authenticator app.
- An [enrolled factor](/docs/reference/dart/auth-mfa-enroll) is required before invoking `challengeAndVerify()`.
- Executes [`mfa.challenge()`](/docs/reference/dart/auth-mfa-challenge) and [`mfa.verify()`](/docs/reference/dart/auth-mfa-verify) in a single step.
examples:
- id: challenge-and-verify
name: Create and verify a challenge for a factor
isSpotlight: true
code: |
```dart
final res = await supabase.auth.mfa.challengeAndVerify(
factorId: '34e770dd-9ff9-416c-87fa-43b31d7ef225',
code: '123456',
);
```
- id: mfa-unenroll
title: 'mfa.unenroll()'
notes: |
Unenroll removes a MFA factor. A user has to have an aal2 authenticator level in order to unenroll a verified factor.
examples:
- id: unenroll-a-factor
name: Unenroll a factor
isSpotlight: true
code: |
```dart
final res = await supabase.auth.mfa.unenroll(
'34e770dd-9ff9-416c-87fa-43b31d7ef225',
);
```
- id: mfa-get-authenticator-assurance-level
title: 'mfa.getAuthenticatorAssuranceLevel()'
notes: |
Returns the Authenticator Assurance Level (AAL) for the active session.
- Authenticator Assurance Level (AAL) is the measure of the strength of an authentication mechanism.
- In Supabase, having an AAL of `aal1` refers to having the 1st factor of authentication such as an email and password or OAuth sign-in while `aal2` refers to the 2nd factor of authentication such as a time-based, one-time-password (TOTP).
- If the user has a verified factor, the `nextLevel` field will return `aal2`, else, it will return `aal1`.
examples:
- id: get-aal
name: Get the AAL details of a session
isSpotlight: true
code: |
```dart
final res = supabase.auth.mfa.getAuthenticatorAssuranceLevel();
final currentLevel = res.currentLevel;
final nextLevel = res.nextLevel;
final currentAuthenticationMethods = res.currentAuthenticationMethods;
```
- id: admin-api
title: 'Overview'
notes: |
- Any method under the `supabase.auth.admin` namespace requires a `service_role` key.
- These methods are considered admin methods and should be called on a trusted server. Never expose your `service_role` key in the Flutter app.
examples:
- id: create-auth-admin-client
name: Create server-side auth client
isSpotlight: true
code: |
```dart
final supabase = SupabaseClient(supabaseUrl, serviceRoleKey);
```
- id: get-user-by-id
title: 'getUserById()'
notes: |
Get user by id.
- Fetches the user object from the database based on the user's id.
- The `getUserById()` method requires the user's id which maps to the `auth.users.id` column.
examples:
- id: fetch-the-user-object-using-the-access-token-jwt
name: Fetch the user object using the access_token jwt
isSpotlight: true
code: |
```dart
final res = await supabase.auth.admin.getUserById(userId);
final user = res.user;
```
- id: list-users
title: 'listUsers()'
notes: |
Get a list of users.
- Defaults to return 50 users per page.
examples:
- id: get-a-full-list-of-users
name: Get a page of users
isSpotlight: true
code: |
```dart
final List<User> users = await supabase.auth.admin.listUsers();
```
- id: get-paginated-list-of-users
name: Paginated list of users
isSpotlight: false
code: |
```dart
final List<User> res = await supabase.auth.admin.listUsers(
page: 1,
perPage: 100,
);
```
- id: create-user
title: 'createUser()'
notes: |
Creates a new user.
- To confirm the user's email address or phone number, set `email_confirm` or `phone_confirm` to true. Both arguments default to false.
- `createUser()` will not send a confirmation email to the user. You can use [`inviteUserByEmail()`](/docs/reference/dart/auth-admin-inviteuserbyemail) if you want to send them an email invite instead.
- If you are sure that the created user's email or phone number is legitimate and verified, you can set the `email_confirm` or `phone_confirm` param to `true`.
examples:
- id: create-a-new-user-with-custom-user-metadata
name: With custom user metadata
isSpotlight: true
code: |
```dart
final res = await supabase.auth.admin.createUser(AdminUserAttributes(
email: 'user@email.com',
password: 'password',
userMetadata: {'name': 'Yoda'},
));
```
- id: auto-confirm-the-users-email
name: Auto-confirm the user's email
code: |
```dart
final res = await supabase.auth.admin.createUser(AdminUserAttributes(
email: 'user@email.com',
emailConfirm: true,
));
```
- id: auto-confirm-the-users-phone-number
name: Auto-confirm the user's phone number
code: |
```dart
final res = await supabase.auth.admin.createUser(AdminUserAttributes(
phone: '1234567890',
phoneConfirm: true,
));
```
- id: delete-user
title: 'deleteUser()'
notes: |
Delete a user.
- The `deleteUser()` method requires the user's ID, which maps to the `auth.users.id` column.
examples:
- id: removes-a-user
name: Removes a user
isSpotlight: true
code: |
```dart
await supabase.auth.admin
.deleteUser('715ed5db-f090-4b8c-a067-640ecee36aa0');
```
- id: invite-user-by-email
title: 'inviteUserByEmail()'
notes: |
Sends an invite link to the user's email address.
examples:
- id: invite-a-user
name: Invite a user
isSpotlight: true
code: |
```dart
final UserResponse res = await supabase.auth.admin
.inviteUserByEmail('email@example.com');
final User? user = res.user;
```
- id: generate-link
title: 'generateLink()'
notes: |
Generates email links and OTPs. This will not send links or OTPs to the end user. This function is for custom admin functionality.
- The following types can be passed into `generateLink()`: `signup`, `magiclink`, `invite`, `recovery`, `emailChangeCurrent`, `emailChangeNew`, `phoneChange`.
- `generateLink()` only generates the email link for `email_change_email` if the "Secure email change" setting is enabled under the "Email" provider in your Supabase project.
- `generateLink()` handles the creation of the user for `signup`, `invite` and `magiclink`.
examples:
- id: generate-a-signup-link
name: Generate a signup link
isSpotlight: true
code: |
```dart
final res = await supabase.auth.admin.generateLink(
type: GenerateLinkType.signup,
email: 'email@example.com',
password: 'secret',
);
final actionLink = res.properties.actionLink;
```
- id: update-user-by-id
title: 'updateUserById()'
examples:
- id: updates-a-users-email
name: Updates a user's email
isSpotlight: false
code: |
```dart
final UserResponse res = await supabase.auth.admin.updateUserById(
'6aa5d0d4-2a9f-4483-b6c8-0cf4c6c98ac4',
attributes: AdminUserAttributes(
email: 'new@email.com',
),
);
```
- id: invoke
title: 'invoke()'
description: |
Invokes a Supabase Function. See the [guide](/docs/guides/functions) for details on writing Functions.
notes: |
- Requires an Authorization header.
- Invoke params generally match the [Fetch API](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) spec.
examples:
- id: basic-invocation
name: Basic invocation.
isSpotlight: true
code: |
```dart
final res = await supabase.functions.invoke('hello', body: {'foo': 'baa'});
final data = res.data;
```
- id: specifying-response-type
name: Specifying response type.
description: |
By default, `invoke()` will parse the response as JSON. You can parse the response in the following formats: `json`, `blob`, `text`, and `arrayBuffer`.
isSpotlight: true
code: |
```dart
final res = await supabase.functions.invoke(
'hello',
body: {'foo': 'baa'},
responseType: ResponseType.text,
);
final data = res.data;
```
- id: parsing-custom-headers
name: Parsing custom headers.
description: |
Any `headers` will be passed through to the function. A common pattern is to pass a logged-in user's JWT token as an Authorization header.
isSpotlight: true
code: |
```dart
final res = await supabase.functions.invoke(
'hello',
body: {'foo': 'baa'},
headers: {
'Authorization': 'Bearer ${supabase.auth.currentSession?.accessToken}'
},
);
```
- id: select
description: |
Perform a SELECT query on the table or view.
title: 'Fetch data: select()'
notes: |
- By default, Supabase projects will return a maximum of 1,000 rows. This setting can be changed in Project API Settings. It's recommended that you keep it low to limit the payload size of accidental or malicious requests. You can use `range()` queries to paginate through your data.
- `select()` can be combined with [Filters](/docs/reference/dart/using-filters)
- `select()` can be combined with [Modifiers](/docs/reference/dart/using-modifiers)
- `apikey` is a reserved keyword if you're using the [Supabase Platform](/docs/guides/platform) and [should be avoided as a column name](https://github.com/supabase/supabase/issues/5465).
examples:
- id: getting-your-data
name: Getting your data
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name');
```
- id: selecting-specific-columns
name: Selecting specific columns
description: You can select specific fields from your tables.
code: |
```dart
final data = await supabase
.from('countries')
.select('''
name,
cities (
name
)
''');
```
- id: query-foreign-tables
name: Query foreign tables
description: If your database has relationships, you can query related tables too.
code: |
```dart
final data = await supabase
.from('products')
.select('''
id,
supplier:supplier_id ( name ),
purchaser:purchaser_id ( name )
''');
```
- id: query-the-same-foreign-table-multiple-times
name: Query the same foreign table multiple times
description: |
Sometimes you will need to query the same foreign table twice.
In this case, you can use the name of the joined column to identify
which join you intend to use. For convenience, you can also give an
alias for each column.
code: |
```dart
final data = await supabase
.from('messages')
.select('*, users!inner(*)')
.eq('users.username', 'Jane');
```
- id: filtering-with-inner-joins
name: Filtering with inner joins
description: |
If you want to filter a table based on a child table's values you can use the `!inner()` function. For example, if you wanted
to select all rows in a `message` table which belong to a user with the `username` "Jane":
code: |
```dart
final data = await supabase
.from('messages')
.select('*, users!inner(*)')
.eq('users.username', 'Jane');
```
- id: querying-with-count-option
name: Querying with count option
description: |
You can get the number of rows by using the count option.
Allowed values for count option are [exact](https://postgrest.org/en/stable/api.html#exact-count), [planned](https://postgrest.org/en/stable/api.html#planned-count) and [estimated](https://postgrest.org/en/stable/api.html#estimated-count).
code: |
```dart
final res = await supabase.from('cities').select(
'name',
const FetchOptions(
count: CountOption.exact,
),
);
final count = res.count;
```
- id: querying-json-data
name: Querying JSON data
description: |
If you have data inside of a JSONB column, you can apply select
and query filters to the data values. Postgres offers a
[number of operators](https://www.postgresql.org/docs/current/functions-json.html)
for querying JSON data. Also see
[PostgREST docs](http://postgrest.org/en/v7.0.0/api.html#json-columns) for more details.
code: |
```dart
final data = await supabase
.from('users')
.select('''
id, name,
address->street
''')
.eq('address->postcode', 90210);
```
- id: return-data-as-csv
name: Return data as CSV
description: |
By default the data is returned in JSON format, however you can also request for it to be returned as Comma Separated Values.
code: |
```dart
final data = await supabase
.from('users')
.select()
.csv();
```
- id: switching-schemas-per-query
name: Switching schemas per query
description: |
You can perform queries on custom schemas.
Make sure you've set up your [database privileges and API settings](/docs/guides/api/using-custom-schemas).
code: |
```dart
final data = await supabase
.useSchema('myschema')
.from('users')
.select();
```
- id: insert
description: |
Perform an INSERT into the table or view.
title: 'Create data: insert()'
examples:
- id: create-a-record
name: Create a record
isSpotlight: true
code: |
```dart
await supabase
.from('cities')
.insert({'name': 'The Shire', 'country_id': 554});
```
- id: bulk-create
name: Bulk create
code: |
```dart
await supabase.from('cities').insert([
{'name': 'The Shire', 'country_id': 554},
{'name': 'Rohan', 'country_id': 555},
]);
```
- id: fetch-inserted-data
name: Fetch inserted record
code: |
```dart
final List<Map<String, dynamic>> data =
await supabase.from('cities').insert([
{'name': 'The Shire', 'country_id': 554},
{'name': 'Rohan', 'country_id': 555},
]).select();
```
- id: update
description: |
Perform an UPDATE on the table or view.
title: 'Modify data: update()'
notes: |
- `update()` should always be combined with [Filters](/docs/reference/dart/using-filters) to target the item(s) you wish to update.
examples:
- id: updating-your-data
name: Update your data
isSpotlight: true
code: |
```dart
await supabase
.from('cities')
.update({ 'name': 'Middle Earth' })
.match({ 'name': 'Auckland' });
```
- id: updating-json-data
name: Update JSON data
description: |
Postgres offers a
[number of operators](https://www.postgresql.org/docs/current/functions-json.html)
for working with JSON data. Right now it is only possible to update an entire JSON document,
but we are [working on ideas](https://github.com/PostgREST/postgrest/issues/465) for updating individual keys.
code: |
```dart
await supabase
.from('users')
.update({
'address': {
'street': 'Melrose Place',
'postcode': 90210
}
})
.eq('address->postcode', 90210);
```
- id: fetch-updated-rows
name: Fetch updated rows
code: |
```dart
final List<Map<String, dynamic>> data = await supabase
.from('users')
.update({
'address': {'street': 'Melrose Place', 'postcode': 90210}
})
.eq('address->postcode', 90210)
.select();
```
- id: upsert
description: |
Perform an UPSERT on the table or view. Depending on the column(s) passed to `onConflict`, `.upsert()` allows you to perform the equivalent of `.insert()` if a row with the corresponding `onConflict` columns doesn't exist, or if it does exist, perform an alternative action depending on `ignoreDuplicates`.
title: 'Upsert data: upsert()'
notes: |
- Primary keys must be included in `values` to use upsert.
examples:
- id: upsert-your-data
name: Upsert your data
isSpotlight: true
code: |
```dart
await supabase
.from('messages')
.upsert({ 'id': 3, 'message': 'foo', 'username': 'supabot' });
```
- id: upserting-into-tables-with-constraints
name: Upserting into tables with constraints
description: |
Running the following will cause supabase to upsert data into the `users` table.
If the username 'supabot' already exists, the `onConflict` argument tells supabase to overwrite that row
based on the column passed into `onConflict`.
isSpotlight: true
code: |
```dart
await supabase
.from('users')
.upsert({ 'username': 'supabot' }, onConflict: 'username');
```
- id: return-the-exact-number-of-rows
name: Return the exact number of rows
description: |
Allowed values for count option are `exact`, `planned` and `estimated`.
code: |
```dart
final res = await supabase.from('users').upsert(
{'id': 3, 'message': 'foo', 'username': 'supabot'},
options: const FetchOptions(count: CountOption.exact),
);
final data = res.data;
final count = res.count;
```
- id: delete
description: |
Perform a DELETE on the table or view.
title: 'Delete data: delete()'
notes: |
- `delete()` should always be combined with [Filters](/docs/reference/dart/using-filters) to target the item(s) you wish to delete.
- If you use `delete()` with filters and you have RLS enabled, only rows visible through `SELECT` policies are deleted. Note that by default no rows are visible, so you need at least one `SELECT`/`ALL` policy that makes the rows visible.
examples:
- id: delete-records
name: Delete records
isSpotlight: true
code: |
```dart
await supabase
.from('cities')
.delete()
.match({ 'id': 666 });
```
- id: fetch-delete-records
name: Fetch deleted records
code: |
```dart
final List<Map<String,dynamic>> data = await supabase
.from('cities')
.delete()
.match({ 'id': 666 })
.select();
```
- id: rpc
title: 'Database Functions: rpc()'
description: |
You can call functions as a "Remote Procedure Call".
That's a fancy way of saying that you can put some logic into your database then call it from anywhere.
It's especially useful when the logic rarely changes - like password resets and updates.
examples:
- id: call-a-database-function
name: Call a database function
isSpotlight: true
description: This is an example invoking a database function.
code: |
```dart
final data = await supabase
.rpc('hello_world');
```
- id: with-parameters
name: With Parameters
code: |
```dart
final data = await supabase
.rpc('echo_city', params: { 'name': 'The Shire' });
```
- id: subscribe
description: |
Subscribe to realtime changes in your database.
title: 'on().subscribe()'
notes: |
- Realtime is disabled by default for new tables. You can turn it on by [managing replication](/docs/guides/realtime/postgres-changes#replication-setup).
- If you want to receive the "previous" data for updates and deletes, you will need to set `REPLICA IDENTITY` to `FULL`, like this: `ALTER TABLE your_table REPLICA IDENTITY FULL;`
examples:
- id: listen-to-all-database-changes
name: Listen to all database changes
isSpotlight: true
code: |
```dart
supabase.channel('*').on(
RealtimeListenTypes.postgresChanges,
ChannelFilter(event: '*', schema: '*'),
(payload, [ref]) {
print('Change received: ${payload.toString()}');
},
).subscribe();
```
- id: listen-to-a-specific-table
name: Listen to a specific table
code: |
```dart
supabase.channel('public:countries').on(
RealtimeListenTypes.postgresChanges,
ChannelFilter(event: '*', schema: 'public', table: 'countries'),
(payload, [ref]) {
print('Change received: ${payload.toString()}');
},
).subscribe();
```
- id: listen-to-inserts
name: Listen to inserts
code: |
```dart
supabase.channel('public:countries').on(
RealtimeListenTypes.postgresChanges,
ChannelFilter(event: 'INSERT', schema: 'public', table: 'countries'),
(payload, [ref]) {
print('Change received: ${payload.toString()}');
},
).subscribe();
```
- id: listen-to-updates
name: Listen to updates
description: |
By default, Supabase will send only the updated record. If you want to receive the previous values as well you can
enable full replication for the table you are listening too:
```sql
alter table "your_table" replica identity full;
```
code: |
```dart
supabase.channel('public:countries').on(
RealtimeListenTypes.postgresChanges,
ChannelFilter(event: 'UPDATE', schema: 'public', table: 'countries'),
(payload, [ref]) {
print('Change received: ${payload.toString()}');
},
).subscribe();
```
- id: listen-to-deletes
name: Listen to deletes
description: |
By default, Supabase does not send deleted records. If you want to receive the deleted record you can
enable full replication for the table you are listening too:
```sql
alter table "your_table" replica identity full;
```
code: |
```dart
supabase.channel('public:countries').on(
RealtimeListenTypes.postgresChanges,
ChannelFilter(event: 'DELETE', schema: 'public', table: 'countries'),
(payload, [ref]) {
print('Change received: ${payload.toString()}');
},
).subscribe();
```
- id: listen-to-multiple-events
name: Listen to multiple events
description: You can chain listeners if you want to listen to multiple events for each table.
code: |
```dart
supabase.channel('public:countries').on(RealtimeListenTypes.postgresChanges,
ChannelFilter(event: 'INSERT', schema: 'public', table: 'countries'),
(payload, [ref]) {
print('Change received: ${payload.toString()}');
}).on(RealtimeListenTypes.postgresChanges,
ChannelFilter(event: 'DELETE', schema: 'public', table: 'countries'),
(payload, [ref]) {
print('Change received: ${payload.toString()}');
}).subscribe();
```
- id: listening-to-row-level-changes
name: Listen to row level changes
description: You can listen to individual rows using the format `{table}:{col}=eq.{val}` - where `{col}` is the column name, and `{val}` is the value which you want to match.
code: |
```dart
supabase.channel('public:countries:id=eq.200').on(
RealtimeListenTypes.postgresChanges,
ChannelFilter(
event: 'UPDATE',
schema: 'public',
table: 'countries',
filter: 'id=eq.200',
), (payload, [ref]) {
print('Change received: ${payload.toString()}');
}).subscribe();
```
- id: remove-channel
description: |
Unsubscribes and removes Realtime channel from Realtime client.
title: 'removeChannel()'
notes: |
- Removing a channel is a great way to maintain the performance of your project's Realtime service as well as your database if you're listening to Postgres changes. Supabase will automatically handle cleanup 30 seconds after a client is disconnected, but unused channels may cause degradation as more clients are simultaneously subscribed.
examples:
- id: removes-a-channel
name: Remove a channel
isSpotlight: true
code: |
```dart
final status = await supabase.removeChannel(channel);
```
- id: remove-all-channels
description: |
Unsubscribes and removes all Realtime channels from Realtime client.
title: 'removeAllChannels()'
notes: |
- Removing channels is a great way to maintain the performance of your project's Realtime service as well as your database if you're listening to Postgres changes. Supabase will automatically handle cleanup 30 seconds after a client is disconnected, but unused channels may cause degradation as more clients are simultaneously subscribed.
examples:
- id: remove-all-channels
name: Remove all channels
isSpotlight: true
code: |
```dart
final statuses = await supabase.removeAllChannels();
```
- id: get-channels
description: |
Returns all Realtime channels.
title: 'getChannels()'
examples:
- id: get-all-channels
name: Get all channels
isSpotlight: true
code: |
```dart
final channels = supabase.getChannels();
```
- id: stream
description: |
Returns real-time data from your table as a `Stream`.
title: 'stream()'
notes: |
- Realtime is disabled by default for new tables. You can turn it on by [managing replication](/docs/guides/realtime/postgres-changes#replication-setup).
- `stream()` will emit the initial data as well as any further change on the database as `Stream<List<Map<String, dynamic>>>` by combining Postgrest and Realtime.
- Takes a list of primary key column names that will be used to update and delete the proper records within the SDK.
- The following filters are available
- `.eq('column', value)` listens to rows where the column equals the value
- `.neq('column', value)` listens to rows where the column does not equal the value
- `.gt('column', value)` listens to rows where the column is greater than the value
- `.gte('column', value)` listens to rows where the column is greater than or equal to the value
- `.lt('column', value)` listens to rows where the column is less than the value
- `.lte('column', value)` listens to rows where the column is less than or equal to the value
- `.inFilter('column', [val1, val2, val3])` listens to rows where the column is one of the values
examples:
- id: listen-to-table
name: Listen to a table
isSpotlight: true
code: |
```dart
supabase.from('countries')
.stream(primaryKey: ['id'])
.listen((List<Map<String, dynamic>> data) {
// Do something awesome with the data
});
```
- id: with-filter-order-limit
name: With filter, order and limit
code: |
```dart
supabase.from('countries')
.stream(primaryKey: ['id'])
.eq('id', 120)
.order('name')
.limit(10);
```
- id: with-in-filter
name: With an IN filter
code: |
```dart
supabase.from('countries')
.stream(primaryKey: ['id'])
.inFilter('id', [1, 2, 3])
.order('name')
.limit(10);
```
- id: using-stream-with-stream-builder
name: Using `stream()` with `StreamBuilder`
description: |
When using `stream()` with a `StreamBuilder` within your Flutter application, make sure to store your stream in a variable to prevent refetching upon rebuilding.
code: |
```dart
final supabase = Supabase.instance.client;
class MyWidget extends StatefulWidget {
const MyWidget({Key? key}) : super(key: key);
@override
State<MyWidget> createState() => _MyWidgetState();
}
class _MyWidgetState extends State<MyWidget> {
// Persist the stream in a local variable to prevent refetching upon rebuilds
final _stream = supabase.from('countries').stream(primaryKey: ['id']);
@override
Widget build(BuildContext context) {
return StreamBuilder(
stream: _stream,
builder: (context, snapshot) {
// Return your widget with the data from the snapshot
},
);
}
}
```
- id: file-buckets
title: 'Overview'
notes: |
This section contains methods for working with File Buckets.
# - id: analytics-buckets
# title: 'Overview'
# notes: |
# This section contains methods for working with Analytics Buckets.
# - id: vector-buckets
# title: 'Overview'
# notes: |
# This section contains methods for working with Vector Buckets.
- id: list-buckets
description: |
Retrieves the details of all Storage buckets within an existing product.
title: 'listBuckets()'
$ref: '@supabase/storage-js.packages/StorageBucketApi.default.listBuckets'
notes: |
- Policy permissions required:
- `buckets` permissions: `select`
- `objects` permissions: none
examples:
- id: list-buckets
name: List buckets
isSpotlight: true
code: |
```dart
final List<Bucket> buckets = await supabase
.storage
.listBuckets();
```
- id: get-bucket
description: |
Retrieves the details of an existing Storage bucket.
title: 'getBucket()'
$ref: '@supabase/storage-js.packages/StorageBucketApi.default.getBucket'
notes: |
- Policy permissions required:
- `buckets` permissions: `select`
- `objects` permissions: none
examples:
- id: get-bucket
name: Get bucket
isSpotlight: true
code: |
```dart
final Bucket bucket = await supabase
.storage
.getBucket('avatars');
```
- id: create-bucket
description: |
Creates a new Storage bucket
title: 'createBucket()'
notes: |
- Policy permissions required:
- `buckets` permissions: `insert`
- `objects` permissions: none
examples:
- id: create-bucket
name: Create bucket
isSpotlight: true
code: |
```dart
final String bucketId = await supabase
.storage
.createBucket('avatars');
```
- id: empty-bucket
description: |
Removes all objects inside a single bucket.
title: 'emptyBucket()'
notes: |
- Policy permissions required:
- `buckets` permissions: `select`
- `objects` permissions: `select` and `delete`
examples:
- id: empty-bucket
name: Empty bucket
isSpotlight: true
code: |
```dart
final String result = await supabase
.storage
.emptyBucket('avatars');
```
- id: update-bucket
description: |
Updates a new Storage bucket
title: 'updateBucket()'
notes: |
- Policy permissions required:
- `buckets` permissions: `update`
- `objects` permissions: none
examples:
- id: update-bucket
name: Update bucket
isSpotlight: true
code: |
```dart
final res = await supabase
.storage
.updateBucket('avatars', const BucketOptions(public: false));
```
- id: delete-bucket
description: |
Deletes an existing bucket. A bucket can't be deleted with existing objects inside it. You must first `empty()` the bucket.
title: 'deleteBucket()'
notes: |
- Policy permissions required:
- `buckets` permissions: `select` and `delete`
- `objects` permissions: none
examples:
- id: delete-bucket
name: Delete bucket
isSpotlight: true
code: |
```dart
final String result = await supabase
.storage
.deleteBucket('avatars');
```
- id: from-upload
description: |
Uploads a file to an existing bucket.
title: 'from.upload()'
$ref: '@supabase/storage-js.packages/StorageFileApi.default.upload'
notes: |
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: `insert`
examples:
- id: upload-file
name: Upload file
isSpotlight: true
code: |
```dart
final avatarFile = File('path/to/file');
final String path = await supabase.storage.from('avatars').upload(
'public/avatar1.png',
avatarFile,
fileOptions: const FileOptions(cacheControl: '3600', upsert: false),
);
```
- id: upload-file-on-web
name: Upload file on web
code: |
```dart
final avatarFile = chosenFile.bytes;
final String path = await supabase.storage.from('avatars').uploadBinary(
'public/avatar1.png',
avatarFile,
fileOptions: const FileOptions(cacheControl: '3600', upsert: false),
);
```
- id: from-update
description: |
Replaces an existing file at the specified path with a new one.
title: 'from.update()'
notes: |
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: `update` and `select`
examples:
- id: update-file
name: Update file
isSpotlight: true
code: |
```dart
final avatarFile = File('path/to/local/file');
final String path = await supabase.storage.from('avatars').update(
'public/avatar1.png',
avatarFile,
fileOptions: const FileOptions(cacheControl: '3600', upsert: false),
);
```
- id: from-move
description: |
Moves an existing file, optionally renaming it at the same time.
title: 'from.move()'
notes: |
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: `update` and `select`
examples:
- id: move-file
name: Move file
isSpotlight: true
code: |
```dart
final String result = await supabase
.storage
.from('avatars')
.move('public/avatar1.png', 'private/avatar2.png');
```
- id: from-create-signed-url
description: |
Create signed url to download file without requiring permissions. This URL can be valid for a set number of seconds.
title: 'from.createSignedUrl()'
notes: |
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: `select`
examples:
- id: create-signed-url
name: Create Signed URL
isSpotlight: true
code: |
```dart
final String signedUrl = await supabase
.storage
.from('avatars')
.createSignedUrl('avatar1.png', 60);
```
- id: create-signed-url-with-transform
name: With transform
code: |
```dart
final String signedUrl = await supabase
.storage
.from('avatars')
.createSignedUrl(
'avatar1.png',
60,
transform: TransformOptions(
width: 200,
height: 200,
),
);
```
- id: from-get-public-url
description: |
Retrieve URLs for assets in public buckets
title: 'from.getPublicUrl()'
notes: |
- The bucket needs to be set to public, either via [updateBucket()](/docs/reference/dart/storage-updatebucket) or by going to Storage on [supabase.com/dashboard](https://supabase.com/dashboard), clicking the overflow menu on a bucket and choosing "Make public"
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: none
examples:
- id: returns-the-url-for-an-asset-in-a-public-bucket
name: Returns the URL for an asset in a public bucket
isSpotlight: true
code: |
```dart
final String publicUrl = supabase
.storage
.from('public-bucket')
.getPublicUrl('avatar1.png');
```
- id: returns-the-url-for-an-asset-in-a-public-bucket-with-transform
name: With transform
isSpotlight: true
code: |
```dart
final String publicUrl = await supabase
.storage
.from('public-bucket')
.getPublicUrl(
'avatar1.png',
transform: TransformOptions(
width: 200,
height: 200,
),
);
```
- id: from-download
description: |
Downloads a file.
title: 'from.download()'
notes: |
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: `select`
examples:
- id: download-file
name: Download file
isSpotlight: true
code: |
```dart
final Uint8List file = await supabase
.storage
.from('avatars')
.download('avatar1.png');
```
- id: download-file-with-transform
name: With transform
isSpotlight: true
code: |
```dart
final Uint8List file = await supabase
.storage
.from('avatars')
.download(
'avatar1.png',
transform: TransformOptions(
width: 200,
height: 200,
),
);
```
- id: from-remove
description: |
Deletes files within the same bucket
title: 'from.remove()'
notes: |
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: `delete` and `select`
examples:
- id: delete-file
name: Delete file
isSpotlight: true
code: |
```dart
final List<FileObject> objects = await supabase
.storage
.from('avatars')
.remove(['avatar1.png']);
```
- id: from-list
description: |
Lists all the files within a bucket.
title: 'from.list()'
notes: |
- Policy permissions required:
- `buckets` permissions: none
- `objects` permissions: `select`
examples:
- id: list-files-in-a-bucket
name: List files in a bucket
isSpotlight: true
code: |
```dart
final List<FileObject> objects = await supabase
.storage
.from('avatars')
.list();
```
- id: using-modifiers
title: Using Modifiers
description: |
Filters work on the row level—they allow you to return rows that
only match certain conditions without changing the shape of the rows.
Modifiers are everything that don't fit that definition—allowing you to
change the format of the response (e.g., returning a CSV string).
Modifiers must be specified after filters. Some modifiers only apply for
queries that return rows (e.g., `select()` or `rpc()` on a function that
returns a table response).
- id: limit
title: limit()
description: |
Limits the result with the specified count.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.limit(1);
```
- id: with-embedded-resources
name: With embedded resources
code: |
```dart
final data = await supabase
.from('countries')
.select('name, cities(name)')
.eq('name', 'Rohan')
.limit(1, foreignTable: 'cities' );
```
- id: order
title: order()
description: |
Orders the result with the specified column.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.order('id', ascending: true);
```
- id: with-embedded-resources
name: With embedded resources
code: |
```dart
final data = await supabase
.from('countries')
.select('name, cities(name)')
.eq('name', 'Rohan')
.order('name', foreignTable: 'cities');
```
- id: range
title: range()
description: |
Limits the result to rows within the specified range, inclusive.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.range(0,3);
```
- id: single
title: single()
description: |
Retrieves only one row from the result. Result must be one row (e.g. using limit), otherwise this will result in an error.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.single();
```
- id: using-filters
title: Using Filters
description: |
Filters allow you to only return rows that match certain conditions.
Filters can be used on `select()`, `update()`, and `delete()` queries.
If a Database function returns a table response, you can also apply filters.
examples:
- id: applying-filters
name: Applying Filters
description: |
Filters must be applied after any of `select()`, `update()`, `upsert()`,
`delete()`, and `rpc()` and before
[modifiers](/docs/reference/dart/using-modifiers).
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.eq('name', 'The Shire'); // Correct
final data = await supabase
.from('cities')
.eq('name', 'The Shire') // Incorrect
.select('name, country_id');
```
- id: chaining-filters
name: Chaining Filters
description: |
Filters must be applied after any of `select()`, `update()`, `upsert()`,
`delete()`, and `rpc()` and before
[modifiers](/docs/reference/dart/using-modifiers).
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.gte('population', 1000)
.lt('population', 10000)
```
- id: conditional-chaining
name: Conditional Chaining
description: |
Filters can be built up one step at a time and then executed as shown in the example code.
code: |
```dart
final filterByName = null;
final filterPopLow = 1000;
final filterPopHigh = 10000;
var query = supabase
.from('cities')
.select('name, country_id');
if (filterByName != null) { query = query.eq('name', filterByName); }
if (filterPopLow != null) { query = query.gte('population', filterPopLow); }
if (filterPopHigh != null) { query = query.lt('population', filterPopHigh); }
final data = await query;
```
- id: filter-by-value-within-json-column
name: Filter by values within a JSON column
description: |
Filters can be built up one step at a time and then executed. For example:
data:
sql: |
```sql
create table
users (
id int8 primary key,
name text,
address jsonb
);
insert into
users (id, name, address)
values
(1, 'Michael', '{ "postcode": 90210 }'),
(2, 'Jane', null);
```
response: |
```json
{
"data": [
{
"id": 1,
"name": "Michael",
"address": {
"postcode": 90210
}
}
],
"status": 200,
"statusText": "OK"
}
```
code: |
```dart
final data = await supabase
.from('users')
.select()
.eq('address->postcode', 90210);
```
- id: filter-foreign-tables
name: Filter Foreign Tables
code: |
```dart
final data = await supabase
.from('orchestral_sections')
.select('''
name,
instruments!inner (
name
)
''')
.eq('instruments.name', 'violin');
```
data:
sql: |
```sql
create table
orchestral_sections (id int8 primary key, name text);
create table
instruments (
id int8 primary key,
section_id int8 not null references orchestral_sections,
name text
);
insert into
orchestral_sections (id, name)
values
(1, 'strings'),
(2, 'woodwinds');
insert into
instruments (id, section_id, name)
values
(1, 2, 'flute'),
(2, 1, 'violin');
```
response: |
```json
{
"data": [
{
"name": "strings",
"characters": [
{
"name": "violin"
}
]
}
],
"status": 200,
"statusText": "OK"
}
```
- id: or
title: or()
description: |
Finds all rows satisfying at least one of the filters.
notes: |
- `.or()` expects you to use the raw [PostgREST syntax](https://postgrest.org/en/stable/api.html#horizontal-filtering-rows) for the filter names and values.
```dart
.or('id.in.(6,7),arraycol.cs.{"a","b"}') // Use Postgres list () and 'in' for in_ filter. Array {} and 'cs' for contains.
.or('id.in.(${mylist.join(',')}),arraycol.cs.{${mylistArray.join(',')}}') // You can insert a Dart list for list or array column.
.or('id.in.(${mylist.join(',')}),rangecol.cs.(${mylistRange.join(',')}]') // You can insert a Dart list for list or range column.
```
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.or('id.eq.20,id.eq.30');
```
- id: use-or-with-and
name: Use `or` with `and`
code: |
```dart
final data = await supabase
.from('instruments')
.select('name, section_id')
.or('id.gt.20,and(name.eq.violin,section_id.eq.3)');
```
- id: not
title: not()
description: |
Finds all rows which doesn't satisfy the filter.
notes: |
- `.not()` expects you to use the raw [PostgREST syntax](https://postgrest.org/en/stable/api.html#horizontal-filtering-rows) for the filter names and values.
```dart
.not('name','eq','violin')
.not('arraycol','cs','{"a","b"}') // Use Postgres array {} for array column and 'cs' for contains.
.not('rangecol','cs','(1,2]') // Use Postgres range syntax for range column.
.not('id','in','(6,7)') // Use Postgres list () and 'in' for in_ filter.
.not('id','in','(${mylist.join(',')})') // You can insert a Dart list array.
```
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('instruments')
.select('name, section_id')
.not('name', 'eq', 'violin');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('instruments')
.update({ 'name': 'piano' })
.not('name', 'eq', 'guitar');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('instruments')
.delete()
.not('name', 'eq', 'harp');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_instruments')
.not('name', 'eq', 'violin');
```
- id: match
title: match()
description: |
Finds all rows whose columns match the specified `query` object.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('instruments')
.select('name, section_id')
.match({'name': 'drums', 'section_id': 2});
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('instruments')
.update({ 'name': 'piano' })
.match({'name': 'harpsichord', 'section_id': 2});
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('instruments')
.delete()
.match({'name': 'harpsichord', 'country_id': 2});
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_instruments')
.match({'name': 'violin', 'country_id': 3});
```
- id: eq
title: eq()
description: |
Finds all rows whose value on the stated `column` exactly matches the specified `value`.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('instruments')
.select('name, section_id')
.eq('name', 'xylophone');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('instruments')
.update({ 'name': 'piano' })
.eq('name', 'harpsichord');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('instruments')
.delete()
.eq('name', 'tambourine');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_instruments')
.eq('name', 'guqin');
```
- id: neq
title: neq()
description: |
Finds all rows whose value on the stated `column` doesn't match the specified `value`.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('instruments')
.select('name, section_id')
.neq('name', 'violin');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('instruments')
.update({ 'name': 'piano' })
.neq('name', 'harp');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('instruments')
.delete()
.neq('name', 'cello');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_instruments')
.neq('name', 'violin');
```
- id: gt
title: gt()
description: |
Finds all rows whose value on the stated `column` is greater than the specified `value`.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.gt('country_id', 250);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Mordor' })
.gt('country_id', 250);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.gt('country_id', 250);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.gt('country_id', 250);
```
- id: gte
title: gte()
description: |
Finds all rows whose value on the stated `column` is greater than or equal to the specified `value`.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.gte('country_id', 250);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Mordor' })
.gte('country_id', 250);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.gte('country_id', 250);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.gte('country_id', 250);
```
- id: lt
title: lt()
description: |
Finds all rows whose value on the stated `column` is less than the specified `value`.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.lt('country_id', 250);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Mordor' })
.lt('country_id', 250);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.lt('country_id', 250);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.lt('country_id', 250);
```
- id: lte
title: lte()
description: |
Finds all rows whose value on the stated `column` is less than or equal to the specified `value`.
$ref: '@supabase/postgrest-js.PostgrestFilterBuilder.lte'
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.lte('country_id', 250);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Mordor' })
.lte('country_id', 250);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.lte('country_id', 250);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.lte('country_id', 250);
```
- id: like
title: like()
description: |
Finds all rows whose value in the stated `column` matches the supplied `pattern` (case sensitive).
$ref: '@supabase/postgrest-js.PostgrestFilterBuilder.lte'
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.like('name', '%la%');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Mordor' })
.like('name', '%la%');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.like('name', '%la%');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.like('name', '%la%');
```
- id: ilike
title: ilike()
description: |
Finds all rows whose value in the stated `column` matches the supplied `pattern` (case insensitive).
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.ilike('name', '%la%');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Mordor' })
.ilike('name', '%la%');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.ilike('name', '%la%');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.ilike('name', '%la%');
```
- id: is
title: is_()
description: |
A check for exact equality (null, true, false), finds all rows whose value on the stated `column` exactly match the specified `value`.
`is_` and `in_` filter methods are suffixed with `_` to avoid collisions with reserved keywords.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.is_('name', null);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Mordor' })
.is_('name', null);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.is_('name', null);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.is_('name', null);
```
- id: in
title: in_()
description: |
Finds all rows whose value on the stated `column` is found on the specified `values`.
`is_` and `in_` filter methods are suffixed with `_` to avoid collisions with reserved keywords.
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.in_('name', ['Minas Tirith', 'Minas Morgul']);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Minas Morgul' })
.in_('name', ['Minas Ithil', 'Minas Tirith']);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.in_('name', ['Minas Tirith', 'Minas Morgul']);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.in_('name', ['Minas Tirith', 'Minas Morgul']);
```
- id: contains
title: contains()
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, main_exports')
.contains('main_exports', ['oil']);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.contains('main_exports', ['oil']);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.contains('main_exports', ['oil']);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.contains('main_exports', ['oil']);
```
- id: contained-by
title: containedBy()
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, main_exports')
.containedBy('main_exports', ['cars', 'food', 'machine']);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.containedBy('main_exports', ['orks', 'surveillance', 'evil']);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.containedBy('main_exports', ['cars', 'food', 'machine']);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.containedBy('main_exports', ['cars', 'food', 'machine']);
```
- id: range-lt
title: rangeLt()
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, population_range_millions')
.rangeLt('population_range_millions', '[150, 250]');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.rangeLt('population_range_millions', '[150, 250]');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.rangeLt('population_range_millions', '[150, 250]');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.rangeLt('population_range_millions', '[150, 250]');
```
- id: range-gt
title: rangeGt()
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, population_range_millions')
.rangeGt('population_range_millions', '[150, 250]');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.rangeGt('population_range_millions', '[150, 250]');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.rangeGt('population_range_millions', '[150, 250]');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.rangeGt('population_range_millions', '[150, 250]');
```
- id: range-gte
title: rangeGte()
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, population_range_millions')
.rangeGte('population_range_millions', '[150, 250]');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.rangeGte('population_range_millions', '[150, 250]');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.rangeGte('population_range_millions', '[150, 250]');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.rangeGte('population_range_millions', '[150, 250]');
```
- id: range-lte
title: rangeLte()
$ref: '@supabase/postgrest-js.PostgrestFilterBuilder.rangeLte'
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, population_range_millions')
.rangeLte('population_range_millions', '[150, 250]');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.rangeLte('population_range_millions', '[150, 250]');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.rangeLte('population_range_millions', '[150, 250]');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.rangeLte('population_range_millions', [150, 250]);
```
- id: range-adjacent
title: rangeAdjacent()
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, population_range_millions')
.rangeAdjacent('population_range_millions', '[70, 185]');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.rangeAdjacent('population_range_millions', '[70, 185]');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.rangeAdjacent('population_range_millions', '[70, 185]');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.rangeAdjacent('population_range_millions', '[70, 185]');
```
- id: overlaps
title: overlaps()
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('countries')
.select('name, id, main_exports')
.overlaps('main_exports', ['computers', 'minerals']);
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('countries')
.update({ 'name': 'Mordor' })
.overlaps('main_exports', ['computers', 'minerals']);
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('countries')
.delete()
.overlaps('main_exports', ['computers', 'minerals']);
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_countries')
.overlaps('main_exports', ['computers', 'minerals']);
```
- id: text-search
title: textSearch()
description: |
Finds all rows whose tsvector value on the stated `column` matches to_tsquery(query).
examples:
- id: text-search
name: Text search
code: |
```dart
final data = await supabase
.from('quotes')
.select('catchphrase')
.textSearch('catchphrase', "'fat' & 'cat'",
config: 'english'
);
```
- id: basic-normalization
name: Basic normalization
description: Uses PostgreSQL's `plainto_tsquery` function.
code: |
```dart
final data = await supabase
.from('quotes')
.select('catchphrase')
.textSearch('catchphrase', "'fat' & 'cat'",
type: TextSearchType.plain,
config: 'english'
);
```
- id: full-normalization
name: Full normalization
description: Uses PostgreSQL's `phraseto_tsquery` function.
code: |
```dart
final data = await supabase
.from('quotes')
.select('catchphrase')
.textSearch('catchphrase', "'fat' & 'cat'",
type: TextSearchType.phrase,
config: 'english'
);
```
- id: web-search
name: Websearch
description: |
Uses PostgreSQL's `websearch_to_tsquery` function.
This function will never raise syntax errors, which makes it possible to use raw user-supplied input for search, and can be used
with advanced operators.
- `unquoted text`: text not inside quote marks will be converted to terms separated by & operators, as if processed by plainto_tsquery.
- `"quoted text"`: text inside quote marks will be converted to terms separated by `<->` operators, as if processed by phraseto_tsquery.
- `OR`: the word “or” will be converted to the | operator.
- `-`: a dash will be converted to the ! operator.
code: |
```dart
final data = await supabase
.from('quotes')
.select('catchphrase')
.textSearch('catchphrase', "'fat or cat'",
type: TextSearchType.websearch,
config: 'english'
);
```
- id: filter
title: filter()
description: |
Finds all rows whose `column` satisfies the filter.
notes: |
- `.filter()` expects you to use the raw [PostgREST syntax](https://postgrest.org/en/stable/api.html#horizontal-filtering-rows) for the filter names and values, so it should only be used as an escape hatch in case other filters don't work.
```dart
.filter('arraycol','cs','{"a","b"}') // Use Postgres array {} and 'cs' for contains.
.filter('rangecol','cs','(1,2]') // Use Postgres range syntax for range column.
.filter('id','in','(6,7)') // Use Postgres list () and 'in' for in_ filter.
.filter('id','cs','{${mylist.join(',')}}') // You can insert a Dart array list.
```
examples:
- id: with-select
name: With `select()`
isSpotlight: true
code: |
```dart
final data = await supabase
.from('cities')
.select('name, country_id')
.filter('name', 'in', '("Minas Tirith","Minas Morgul")');
```
- id: with-update
name: With `update()`
code: |
```dart
final data = await supabase
.from('cities')
.update({ 'name': 'Minas Morgul' })
.filter('name', 'in', '("Minas Ithil","Minas Tirith")');
```
- id: with-delete
name: With `delete()`
code: |
```dart
final data = await supabase
.from('cities')
.delete()
.filter('name', 'in', '("Minas Tirith","Minas Morgul")');
```
- id: with-rpc
name: With `rpc()`
code: |
```dart
// Only valid if the database function returns a table type.
final data = await supabase
.rpc('echo_all_cities')
.filter('name', 'in', '("Minas Tirith","Minas Morgul")');
```
- id: filter-embedded-resources
name: Filter embedded resources
code: |
```dart
final data = await supabase
.from('cities')
.select('name, countries ( name )')
.filter('countries.name', 'in', '("Rohan","Gondor")');
```