Datastore - search or get a dataset from CKAN datastore
Usage
ds_search(
resource_id = NULL,
filters = NULL,
q = NULL,
plain = NULL,
language = NULL,
fields = NULL,
offset = NULL,
limit = NULL,
sort = NULL,
url = get_default_url(),
key = get_default_key(),
as = "list",
...
)
Arguments
- resource_id
(character) id or alias of the resource to be searched against
- filters
(character) matching conditions to select, e.g
{"key1": "a", "key2": "b"}
(optional)- q
(character) full text query (optional)
- plain
(character) treat as plain text query (optional, default:
TRUE
)- language
(character) language of the full text query (optional, default: english)
- fields
(character) fields to return (optional, default: all fields in original order)
- offset
(numeric) Where to start getting activity items from (optional, default: 0)
- limit
(numeric) The maximum number of activities to return (optional, default: 100)
- sort
Field to sort on. You can specify ascending (e.g., score desc) or descending (e.g., score asc), sort by two fields (e.g., score desc, price asc), or sort by a function (e.g., sum(x_f, y_f) desc, which sorts by the sum of x_f and y_f in a descending order). (optional)
- url
Base url to use. Default: https://data.ontario.ca/ See also
ckanr_setup
andget_default_url
.- key
A privileged CKAN API key, Default: your key set with
ckanr_setup
- as
(character) One of list (default), table, or json. Parsing with table option uses
jsonlite::fromJSON(..., simplifyDataFrame = TRUE)
, which attempts to parse data to data.frame's when possible, so the result can vary from a vector, list or data.frame. (required)- ...
Curl args passed on to
verb-POST
(optional)
Details
From the help for this method "The datastore_search action allows you to search data in a resource. DataStore resources that belong to private CKAN resource can only be read by you if you have access to the CKAN resource and send the appropriate authorization."
Setting plain=FALSE
enables the entire PostgreSQL full text search query
language. A listing of all available resources can be found at the alias
table_metadata full text search query language:
http://www.postgresql.org/docs/9.1/static/datatype-textsearch.html#DATATYPE-TSQUERY
Examples
if (FALSE) { # \dontrun{
ckanr_setup(url = 'https://data.nhm.ac.uk/')
ds_search(resource_id = '8f0784a6-82dd-44e7-b105-6194e046eb8d')
ds_search(resource_id = '8f0784a6-82dd-44e7-b105-6194e046eb8d',
as = "table")
ds_search(resource_id = '8f0784a6-82dd-44e7-b105-6194e046eb8d',
as = "json")
ds_search(resource_id = '8f0784a6-82dd-44e7-b105-6194e046eb8d', limit = 1,
as = "table")
ds_search(resource_id = '8f0784a6-82dd-44e7-b105-6194e046eb8d', q = "a*")
} # }