Last data update: 2014.03.03

 R: Read Meta Information from a Time Series Database
readMetaInformationR Documentation

Read Meta Information from a Time Series Database

Description

This function reads meta information from a timeseriesdb package PostgreSQL database and puts into a meta information environment.

Usage

readMetaInformation(series, con, locale = "de", tbl = "meta_data_localized",
  overwrite_objects = F, overwrite_elements = T, meta_env = NULL,
  schema = "timeseries")

Arguments

series

character name of a time series object.

con

PostgreSQL connection object

locale

character denoting the locale of the meta information that is queried. defaults to 'de' for German. At the KOF Swiss Economic Institute meta information should be available als in English 'en', French 'fr' and Italian 'it'. Set the locale to NULL to query unlocalized meta information.

tbl

character name of the table that contains meta information. Defaults to 'meta_data_localized'. Choose meta 'meta_data_unlocalized' when locale is set to NULL.

overwrite_objects

logical should the entire object for a key be overwritten. Defaults to FALSE.

overwrite_elements

logical should single elements inside the environment be overwritten. Defaults to TRUE.

meta_env

environment to which the meta information should be added. Defaults to NULL. In this case an environment will be returned. If you run this function in a loop best create an empty environment before the loop or apply call and pass the environment to this function. By doing so new elements will be added to the environment.

schema

SQL schema name. Defaults to timeseries.

Results


Created & Maintained by Osamu Ogasawara (osamu.ogasawara@gmail.com) and IMSBIO