GraphQL

GraphQL query language commands and examples

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18 commands available
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Learn GraphQL

Master GraphQL query language

graphql

Introspection Query

Fetch GraphQL schema details

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ __schema { types { name } } }"}'
graphql
schema
introspection
graphql

Fetch All Users

Retrieve a list of all users

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ users { id name email } }"}'
graphql
users
query
graphql

Get User By ID

Retrieve a single user by ID

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ user(id: 1) { id name email } }"}'
graphql
user
query
graphql

Add New User

Create a new user via mutation

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"mutation { addUser(name: \"Alice\", email: \"alice@example.com\") { id name email } }"}'
graphql
user
mutation
graphql

Update User

Update an existing user's details

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"mutation { updateUser(id: 1, name: \"Alice Updated\") { id name email } }"}'
graphql
user
mutation
graphql

Delete User

Remove a user by ID

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"mutation { deleteUser(id: 1) { id } }"}'
graphql
user
mutation
graphql

Fetch All Posts

Retrieve all posts with fields

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ posts { id title content author { id name } } }"}'
graphql
posts
query
graphql

Get Post By ID

Retrieve a single post by ID

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ post(id: 1) { id title content author { name } } }"}'
graphql
post
query
graphql

Add Post

Create a new post via mutation

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"mutation { addPost(title: \"New Post\", content: \"Content here\", authorId: 1) { id title } }"}'
graphql
post
mutation
graphql

Update Post

Update an existing post

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"mutation { updatePost(id: 1, title: \"Updated Title\") { id title } }"}'
graphql
post
mutation
graphql

Delete Post

Remove a post by ID

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"mutation { deletePost(id: 1) { id } }"}'
graphql
post
mutation
graphql

Search Users by Name

Search for users matching a name

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ users(search: \"Alice\") { id name email } }"}'
graphql
search
users
graphql

Search Posts by Keyword

Search posts containing a keyword

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ posts(search: \"GraphQL\") { id title content } }"}'
graphql
search
posts
graphql

Nested Query Example

Query users with nested posts

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ users { id name posts { id title } } }"}'
graphql
nested
query
graphql

Pagination Example

Fetch paginated posts

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ posts(limit: 5, offset: 10) { id title } }"}'
graphql
pagination
query
graphql

Use Fragments

Query with reusable fragments

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"fragment userFields on User { id name email } query { users { ...userFields } }"}'
graphql
fragments
query
graphql

Aliases Example

Rename query results using aliases

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"{ admin: user(id:1) { name } guest: user(id:2) { name } }"}'
graphql
aliases
query
graphql

Using Directives

Use @include and @skip directives

curl -X POST http://localhost:4000/graphql -H 'Content-Type: application/json' -d '{"query":"query($showEmail:Boolean!) { users { name email @include(if:$showEmail) } }","variables":"{\"showEmail\":true}"}'
graphql
directives
query

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