readProvRels: Retrieve saved file metadata for one or more files

In NCEAS/recordr: R Provenance Tracking

Description

File metadata is retrived from the recordr database table filemeta based on search parameters.

Usage

readProvRels(recordr, ...)

## S4 method for signature 'Recordr'
readProvRels(recordr, executionId = as.character(NA),
  subject = as.character(NA), predicate = as.character(NA),
  object = as.character(NA), subjectType = as.character(NA),
  objectType = as.character(NA), dataTypeURI = as.character(NA),
  orderBy = as.character(NA), sortOrder = "ascending", delete = FALSE,
  ...)

Arguments

recordr	A recordr object
...	Additional parameters
executionId	A character value that specifies an execution identifier to search for.
subject	The subject of the provenance relationships to match
predicate	The predicate of the provenance relationships to match
object	The object of the provenance relationships to match
subjectType	A character value containing the subject type of the relationship to match
objectType	A character value containing the object type of the relationship to match
dataTypeURI	A character value containing the data type of the relationship to match
orderBy	The column to sort the result set by.
sortOrder	The sort type. Values include ("ascending", "descending")
delete	a "logical", if TRUE, the selected file entries are deleted (default: FALSE).

Details

This method is used internally by the recordr package.

Value

A dataframe containing file metadata objects

See Also

ProvRels class description

NCEAS/recordr documentation built on May 7, 2019, 5:59 p.m.