Create an index
Cassandra supports indexing any regular, non-primary key fields in an object type.
Any field designated as a partition key or clustering column cannot be indexed,
unless DataStax Enterprise is the defined database.
A field will be indexed if @cql_index is added to the field definition.
Indexed fields can be used as parameters in queries.
-
Reader type
type Reader @key @cql_entity(name: "reader") @cql_input {
name: String! @cql_column(partitionKey: true)
user_id: Uuid! @cql_column(clusteringOrder: ASC)
birthdate: Date @cql_index(name: "date_idx")
email: [String] @cql_column(typeHint: "set<varchar>")
reviews: [Review] @cql_index(name: "review_idx", target: FULL)
address: [Address]
}The directive @cql_index has the following optional arguments:
Argument |
Default |
Description |
name |
Generated |
Custom index name. |
class |
Secondary index |
Custom index class, such as SAI. |
target |
VALUES |
Specifies set and list index type. Options are FULL and VALUES. |
options |
N/A |
Any options to pass to the underlying index query. |