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Select/Filter an idaifield_resources- or idaifield_docs-list

Source: R/select_idaifield.R
idf_select_by.Rd

Subset or filter the list of the docs or resources by the given parameters. You may want to consider querying the database directly using idf_query(), idf_index_query(), or idf_json_query().

Usage

idf_select_by(idaifield_docs, by = NULL, value = NULL)

Arguments

idaifield_docs

An idaifield_resources- or idaifield_docs-list as returned by get_idaifield_docs() or idf_query(), idf_index_query(), and idf_json_query().

by

Any name of a field that might by present in the resource lists, e.g. category, identifier, processor etc.

value

character. Should be the internal name of the value that will be selected for (e.g. "Layer", "Pottery"), can also be vector of multiple values.

Value

A list of class idaifield_resources containing the resources which contain the specified values.

See also

get_idaifield_docs(), idf_show_categories() idf_query(), idf_index_query(), idf_json_query()

Examples

if (FALSE) { # \dontrun{
connection <- connect_idaifield(serverip = "127.0.0.1",
user = "R", pwd = "hallo", project = "rtest")
idaifield_docs <- get_idaifield_docs(connection = connection)

idaifield_layers <- idf_select_by(idaifield_docs,
by = "category",
value = "Layer")

idaifield_anna <- idf_select_by(idaifield_docs,
by = "processor",
value = "Anna Allgemeinperson")
} # }