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Storr Fragments

Source: R/storr_fragments.R
storr_fragments.Rd

Functional interface that initialises a StorrFragments instance to work with TileDB Fragments.

Usage

storr_fragments(uri, context = NULL)

Arguments

uri

The URI path of storr.

context

Optional tiledb_ctx object.

Value

An object of class StorrFragments, R6.

Details

The class includes fragment consolidation and vacuuming methods but also provides access to TileDBFragments instances for keys and data arrays where you can further inspect and manage the fragments for the specify arrays.

Class Methods Summary

For full definitions see the Methods section in StorrFragments.

Active Fields

  • fob_keys - TileDBFragments instance for the keys array.

  • fob_data - TileDBFragments instance for the data array.

  • size - VFS directory size for the TileDB store.

Fragment Management

  • consolidate() - Consolidate fragments (options: all, keys, data); supports vacuum and sync/async modes.

  • vacuum() - Remove old consolidated fragments (options: all, keys, data); supports sync/async.

  • reload_finfo() - Refresh fragment-info caches for both arrays.

Inspection

  • frag_num() - Total number of fragments (keys + data).

  • to_vacuum_num() - Number of fragments pending vacuum.

See also

storr_consolidate() and storr_vacuum()

Examples

# URI path
uri <- tempfile()
sto <- storr_tiledb(uri, init = TRUE)

fosto <- storr_fragments(uri)

fosto$frag_num()
#> [1] 0