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elasticsearch
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Simple Elasticsearch client for R
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Download README
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README.md
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elasticsearch
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#elasticsearch.R #(This project is no longer maintained, if you would like to take over feel free to send me an email) ##Features (WIP) ###Document APIs - [x] Index - [x] Get - [x] Delete - [x] Update - [x] Multi-get - [x] Bulk ###Search APIs - [x] Search ###Indices APIs - [x] Create index - [x] Delete index - [x] Indices Exists - [x] Open / Close Index API ##Installation You will need the devtools package in order to install this package ````R install.packages("devtools") library(devtools) install_github("tomesch/elasticsearch") library(elasticsearch) ```` ##Examples For the following series of examples we will be using a simplifed version of the Unicode Character Database. The data is formated so that it can be directly indexed in Elasticsearch via a bulk query. You can download the database [here](https://gist.github.com/Tomesch/dc7e565e81cf74e9d473/download). ###Importing the data ````R # Read the database requests = paste(readLines("/Users/tom/ucd.json"), collapse="\n") # Create the client es = ElasticsearchClient("http://localhost:9200") # Index the data bulk(es, requests) ```` ###CRUD operations ````R # Index a new document index(es, "ucd", "characters", 1, body='{"cp": "9999", "na": "My new character", "age": "23", "blk": "ASCII"}') # Get it get(es, "ucd", "characters", 1) # Update it update(es, "ucd", "characters", 1, '{"doc" : { "age" : 24}}') # Delete it delete(es, "ucd", "characters", 1) ```` ###Search ````R # Search a character search(es, body='{"query": {"match": {"na": "pile of poo"}}}') # Run an aggregation res = search(es, body='{"aggs" : {"blocks" : {"terms" : { "field" : "blk", "size": 0}}}}') # And plot it barplot(res$aggregations$blocks$buckets$doc_count) ````
