Generate a SchemaKeys Object

An R6 class that represents the 'keys' schema for CAS storage and provides active fields to get/set filter lists for each dimension/attribute.

This class should not be used directly, but it can be accessed via driver_schemas().

Value

A SchemaKeys, R6 object.

Super class

SchemaBase -> SchemaKeys

Active bindings

dim_namespace

Get or set a filter list.

dim_key

Get or set a filter list.

attr_hash

Get or set a filter list.

attr_expires_at

Get or set a filter list.

attr_notes

Get or set a filter list.

Methods

Public methods

• SchemaKeys$new()

• SchemaKeys$clone()

Inherited methods

• SchemaBase$print()
• SchemaBase$schema()

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SchemaKeys$new()

Create a new SchemaKeys object.

Usage

SchemaKeys$new(uri = NULL, ctx = NULL, none_filter = FALSE)

Arguments

uri

Optional URI path to array for extracting its schema from. If not given, the default schema will be loaded.

ctx

Optional tiledb_ctx object.

none_filter

TRUE for no filters, FALSE for default filters. Applied on default schemas and not on schemas extracted from a URI path.

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SchemaKeys$clone()

The objects of this class are cloneable with this method.

Usage

SchemaKeys$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.