Schema/Metadata API Reference: Query collections (Deprecated)

Deprecation

In versions v2.0.0 and above, the schema/metadata API is deprecated in favour of the schema API and the metadata API.

Though for backwards compatibility, the schema/metadata APIs will continue to function.

Introduction

Group queries using query collections.

Create/drop query collections and add/drop a query to a collection using the following query types.

create_query_collection

create_query_collection is used to define a collection.

POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin

{
    "type" : "create_query_collection",
    "args": {
         "name": "my_collection",
         "comment": "an optional comment",
         "definition": {
             "queries": [
                 {"name": "query_1", "query": "query { test {id name}}"}
              ]
         }
     }
}

Note

The queries in query collections are validated against the schema. So, adding an invalid query would result in inconsistent metadata error. As the query collection is used in allowlists and REST endpoints, they are validated as well.

Args Syntax

Key Required Schema Description
name true CollectionName Name of the query collection
definition true CollectionQuery array List of queries
comment false text Optional comment

drop_query_collection

drop_query_collection is used to drop a collection

POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin

{
    "type" : "drop_query_collection",
    "args": {
         "collection": "my_collection",
         "cascade": false
     }
}

Args syntax

Key Required Schema Description
collection true CollectionName Name of the query collection
cascade true boolean When set to true, the collection (if present) is removed from the allowlist

add_query_to_collection

add_query_to_collection is used to add a query to a given collection.

POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin

{
    "type" : "add_query_to_collection",
    "args": {
         "collection_name": "my_collection",
         "query_name": "query_2",
         "query": "query {test {name}}"
     }
}

Args Syntax

Key Required Schema Description
collection_name true CollectionName Name of the query collection
query_name true QueryName Name of the query
query true text The GraphQL query text

drop_query_from_collection

drop_query_from_collection is used to remove a query from a given collection.

POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin

{
    "type" : "drop_query_from_collection",
    "args": {
         "collection_name": "my_collection",
         "query_name": "query_2"
     }
}

Args Syntax

Key Required Schema Description
collection_name true CollectionName Name of the query collection
query_name true QueryName Name of the query

add_collection_to_allowlist

add_collection_to_allowlist is used to add a collection to the allow-list.

POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin

{
    "type" : "add_collection_to_allowlist",
    "args": {
         "collection": "my_collection"
     }
}

Args Syntax

Key Required Schema Description
collection true CollectionName Name of a query collection to be added to the allow-list

drop_collection_from_allowlist

drop_collection_from_allowlist is used to remove a collection from the allow-list.

POST /v1/query HTTP/1.1
Content-Type: application/json
X-Hasura-Role: admin

{
    "type" : "drop_collection_from_allowlist",
    "args": {
         "collection": "my_collection_1"
     }
}

Args Syntax

Key Required Schema Description
collection true CollectionName Name of a query collection to be removed from the allow-list
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