Read a fileMDB from a path

Usage

read_fileMDB(
  path,
  dbInfo = NULL,
  dataModel = NULL,
  collectionMembers = NULL,
  check = TRUE,
  n_max = 10,
  verbose = TRUE
)

Arguments

path

the path to a folder with data or with the following structure:

data: a folder with the data
DESCRIPTION.json: a file with db information
model: a folder with the data model json file with the same name as the one given in the DESCRIPTION.json file

dbInfo

a list or a json file with DB information: "name" (only mandatory field), "title", "description", "url" (or "reference URL"), "version", "maintainer". If NULL (default), the DESCRIPTION.json file found in path. This file should also contains relevant parameters for the readr::read_delim() function. For example:

delim delimiter (default: '\\t')
quoted_na: Should missing values inside quotes be treated as missing values or as strings or strings. WARNING: THIS PARAMETER IS NOT TAKEN INTO ACCOUNT WITH readr>=2.0.0.
na: String used for missing values. The default value for reading a fileMDB is "NA". But the default value for writing a fileMDB is "<NA>". This value is written in the DESCRIPTION.json file to avoid ambiguity when reading the fileMDB.

dataModel

a ReDaMoR::RelDataModel object or json file. If NULL (default), the model json file found in path/model.

collectionMembers

the members of collections as provided to the collection_members<- function. If NULL (default), the members are taken from json files found in path/model/Collections

check

logical: if TRUE (default) the data are confronted to the data model

n_max

maximum number of records to read for checks purpose (default: 10). See also ReDaMoR::confront_data().

verbose

if TRUE (default) display the data confrontation report

Value

A fileMDB object