reproducible (version 1.1.1)

CacheDBFile: A collection of low level tools for Cache

Description

These are not intended for normal use.

Usage

CacheDBFile(
  cachePath,
  drv = getOption("reproducible.drv", RSQLite::SQLite()),
  conn = getOption("reproducible.conn", NULL)
)
CacheStorageDir(cachePath)
CacheStoredFile(
  cachePath,
  hash,
  format = getOption("reproducible.cacheSaveFormat", "rds")
)
CacheDBTableName(
  cachePath,
  drv = getOption("reproducible.drv", RSQLite::SQLite())
)
CacheIsACache(
  cachePath,
  create = FALSE,
  drv = getOption("reproducible.drv", RSQLite::SQLite()),
  conn = getOption("reproducible.conn", NULL)
)

Arguments

cachePath

A path describing the directory in which to create the database file(s)

drv

an object that inherits from '>DBIDriver, or an existing '>DBIConnection object (in order to clone an existing connection).

conn

A '>DBIConnection object, as returned by dbConnect().

hash

The cacheId or otherwise digested hash value, as character string.

format

The text string representing the file extension used normally by different save formats; currently only "rds" or "qs". Defaults to getOption("reproducible.cacheSaveFormat", "rds")

create

Logical. Currently only affects non RQSLite default drivers. If this is TRUE and there is no Cache database, the function will create one.

Details

CacheStoredFile returns the file path to the file with the specified hash value.

CacheStoredFile returns the file path to the file with the specified hash value.

CacheIsACache returns a logical of whether the specified cachePath is actually a functioning cache.