R/peekds_validators.R
ds.validate_trial_uniqueness_constraint.RdCheck if within aoi_timepoints table, there is no duplication in all the administration_ids associated with each individual trial_id
ds.validate_trial_uniqueness_constraint(df_aoi_timepoints)an empty string when all the administration_ids are unique within each trial_id; Otherwise, the error message will be returned.
if (FALSE) { # \dontrun{
is_valid <-ds.validate_trial_uniqueness_constraint(df_aoi_timepoints = aoi_timepoints)
} # }