solr_stats: Get Solr stats.

In solr: General Purpose R Interface to Solr

Description

Get Solr stats.

Usage

solr_stats(q = "*:*", stats.field = NULL, stats.facet = NULL,
  wt = "json", start = 0, rows = 0, key = NULL, base = NULL,
  callopts = list(), raw = FALSE, parsetype = "df", verbose = TRUE)

Arguments

q	Query terms, defaults to '*:*', or everything.
stats.field	The number of similar documents to return for each result.
stats.facet	You can not facet on multi-valued fields.
wt	Data type returned, defaults to 'json'
start	Record to start at, default to beginning.
rows	Number of records to return. Defaults to 10.
key	API key, if needed.
base	URL endpoint.
callopts	Call options passed on to httr::GET
raw	(logical) If TRUE, returns raw data in format specified by wt param
parsetype	(character) One of 'list' or 'df'
verbose	If TRUE (default) the url call used printed to console.

Value

XML, JSON, a list, or data.frame

References

See http://wiki.apache.org/solr/StatsComponent for more information on Solr stats.

See Also

solr_highlight, solr_facet, solr_search, solr_mlt

Examples

## Not run: 
url <- 'http://api.plos.org/search'
solr_stats(q='science', stats.field='counter_total_all', base=url, raw=TRUE)
solr_stats(q='title:"ecology" AND body:"cell"',
   stats.field=c('counter_total_all','alm_twitterCount'), base=url)
solr_stats(q='ecology', stats.field=c('counter_total_all','alm_twitterCount'),
   stats.facet='journal', base=url)
solr_stats(q='ecology', stats.field=c('counter_total_all','alm_twitterCount'),
   stats.facet=c('journal','volume'), base=url)

# Get raw data, then parse later if you feel like it
## json
out <- solr_stats(q='ecology', stats.field=c('counter_total_all','alm_twitterCount'),
   stats.facet=c('journal','volume'), base=url, raw=TRUE)
library(rjson)
fromJSON(out)
solr_parse(out) # list
solr_parse(out, 'df') # data.frame

## xml
out <- solr_stats(q='ecology', stats.field=c('counter_total_all','alm_twitterCount'),
   stats.facet=c('journal','volume'), base=url, raw=TRUE, wt="xml")
library(XML)
xmlParse(out)
solr_parse(out) # list
solr_parse(out, 'df') # data.frame

# Get verbose http call information
library(httr)
solr_stats(q='ecology', stats.field='alm_twitterCount', base=url,
   callopts=verbose())

## End(Not run)

solr documentation built on May 29, 2017, 10:50 p.m.