TransformedDatastore
Datastore to transform underlying datastore
Description
Use a TransformedDatastore
object to transform, or process,
data read from an underlying datastore.
Creation
You can create a TransformedDatastore
object using the transform
function. For example, dsnew =
transform(ds1_data,ds2_data,...dsN_data,@fcn)
creates a datastore that transforms
one or more datastores ds1_data,ds2_data,...dsN_data
using the
transformation function fcn
.
Properties
Object Functions
combine | Combine data from multiple datastores |
hasdata | Determine if data is available to read |
preview | Preview subset of data in datastore |
read | Read data in datastore |
readall | Read all data in datastore |
writeall | Write datastore to files |
reset | Reset datastore to initial state |
transform | Transform datastore |
numpartitions | Number of datastore partitions |
partition | Partition a datastore |
shuffle | Shuffle all data in datastore |
isPartitionable | Determine whether datastore is partitionable |
isSubsettable | Determine whether datastore is subsettable |
isShuffleable | Determine whether datastore is shuffleable |
Examples
Version History
Introduced in R2019a