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Dgraph version:
  • Home
  • Dgraph Overview
  • GraphQL API
    • Quick Start
    • GraphQL Client
      • /graphql endpoint
        • POST Request
        • GET Request
        • HTTP Response
      • GraphQL IDEs
      • UI client libraries
    • Schema
      • Types
      • Relationships
      • Reserved Names
      • Directives
        • @auth
        • @deprecated
        • @dgraph
        • @id
        • Search and Filtering
        • @generate
      • Schema Migration
      • Documentation and Comments
      • Dgraph Schema Fragment
    • Security
      • Anonymous Access
      • Handle JWT Token
      • RBAC rules
      • ABAC rules
      • Mutations
      • Restrict origins
      • Authorization tips
    • Queries
      • Overview
      • Search and Filtering
      • Aggregate Queries
      • Persistent Queries
      • And, Or and Not
      • Cached Results
      • Order and Pagination
      • @cascade Directive
      • @skip and @include Directives
    • Mutations
      • Overview
      • Add
      • Upsert
      • Update
      • Delete
      • Deep
    • Subscriptions
    • Custom Resolvers
      • Overview
      • The @custom Directive
      • Custom Queries
      • Custom Mutations
      • Custom Fields
      • Custom DQL
    • Lambda Resolvers
      • Overview
      • field
      • Lambda Queries
      • Lambda Mutations
      • Lambda Webhooks
      • Lambda Server
    • Administrative API
    • Apollo Federation
  • Dgraph Query Language
    • Quick Start
    • DQL Syntax
      • DQL query
      • DQL mutation
      • RDF
      • JSON Mutation Format
    • Predicate types
    • Predicate indexing
    • Node types
    • Mutations
      • uid function in upsert
      • val function in upsert
      • External IDs and Upsert Block
    • Query Language
      • Running examples
      • Functions
      • Connecting Filters
      • Aliases
      • Pagination
      • Count
      • Sorting
      • Multiple Query Blocks
      • Query Variables
      • Value Variables
      • Aggregation
      • Math on Value Variables
      • GroupBy
      • Expand Predicates
      • Cascade Directive
      • @normalize Directive
      • @ignorereflex Directive
      • Debug
      • Facets and Edge attributes
      • Shortest Path Queries
      • Recurse Query
      • Fragments
      • GraphQL Variables
      • Indexing with Custom Tokenizers
      • Language Support
    • Client Libraries
      • Go
      • Python
      • JavaScript
        • gRPC Client
        • HTTP Client
      • C#
      • Java
      • Raw HTTP
      • Unofficial Dgraph Clients
    • DQL: Tips and Tricks
  • GraphQL - DQL interoperability
    • GraphQL and DQL schemas
    • Data loading
    • Use DQL in GraphQL
    • GraphQL data migration
    • GraphQL on Existing Dgraph
  • Ratel UI
    • Ratel Overview
    • Connection
    • Console
    • Schema
    • Cluster
    • Backups
  • Data migration
    • Data migration
    • CSV data
    • MySQL data
  • Dgraph Cloud
    • Dgraph Cloud Overview
    • Provision a backend
    • Dgraph Cloud Quick Start
    • Advanced Queries with DQL
    • Multi-tenancy in Dgraph Cloud
    • Migrating from Self-Managed Dgraph
    • Administering Your Backend
      • Overview
      • API keys
      • Fetching and Updating Your Schema
      • Importing and Exporting data from Dgraph Cloud
      • Dropping Data from your Backend
      • Switch Schema Modes
      • Cloning Backend
      • Monitoring with Prometheus
    • Dgraph Cloud API
      • Overview
      • Authentication
      • Schema
      • Backend
      • Backup
      • Lambda
  • Self-managed cluster
    • Installation
      • Download
      • Production checklist
      • Learning Environment
      • Production Environment
        • Cluster Types
        • Single Server Cluster Setup
        • Highly Available Cluster Setup
        • Monitoring the Cluster
    • Config
    • More about Dgraph Zero
    • More about Dgraph Alpha
    • Cluster Setup
    • Cluster Checklist
    • Administration
      • Dgraph Administration
      • Logging
      • Monitoring
      • Metrics
      • Tracing
      • Data compression on Disk
    • Security
      • Ports Usage
      • TLS Configuration
    • Data Decryption
    • Dgraph CLI Reference
    • Troubleshooting
  • Enterprise Features
    • Access Control Lists
    • Audit Logging
    • Backup List Tool
    • Binary Backups
    • Change Data Capture
    • Encryption at Rest
    • Learner Nodes
    • License
    • Multi-Tenancy
  • How To Guides
    • Command line
      • Command-line completion
      • Create a completion script
    • Export data
      • Export data
      • Export data from Dgraph Cloud
      • Export data from Dgraph
    • Import data
      • Import data
      • Live import
      • Initial import (Bulk Loader)
    • Using the Debug Tool
    • Shell Completion
    • Using the Dgraph Sentry Integration
    • Retrieving Debug Information
    • Using the Increment Tool
    • Giving Nodes a Type
    • A Simple Login System
    • Load Balancing Queries with NGINX
    • Upserts
    • Run Jepsen Tests
    • Concurrent mutations and conflicts
    • Query Dgraph types
    • Update Dgraph types
    • Drop all data
  • Design Concepts
    • ACLs
    • Badger
    • Consistency Model
    • Discovery
    • DQL
    • DQL and GraphQL
    • Facets
    • GraphQL
    • Group
    • High Availability Replication
    • Index and Tokenizer
    • Minimal Network Calls
    • Namespace and Tenant
    • Network Call Minimization
    • Posting List and Tablet
    • Protocol Buffers
    • Query Process
    • RAFT
    • Transaction and Mutation
    • ACID Transactions
    • WAL and Memtable
    • Workers
  • Releases
  • Dgraph Glossary
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Custom Resolvers

  • Custom Resolvers Overview
  • The @custom Directive
  • Custom Queries
  • Custom Mutations
  • Custom Fields
  • Custom DQL
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