solrium (version 1.2.0)

collection_migrate: Migrate documents to another collection

Description

Migrate documents to another collection

Usage

collection_migrate(
  conn,
  name,
  target.collection,
  split.key,
  forward.timeout = NULL,
  async = NULL,
  raw = FALSE,
  callopts = list()
)

Arguments

conn

A solrium connection object, see SolrClient

name

(character) The name of the core to be created. Required

target.collection

(character) Required. The name of the target collection to which documents will be migrated

split.key

(character) Required. The routing key prefix. For example, if uniqueKey is a!123, then you would use split.key=a!

forward.timeout

(integer) The timeout (seconds), until which write requests made to the source collection for the given split.key will be forwarded to the target shard. Default: 60

async

(character) Request ID to track this action which will be processed asynchronously

raw

(logical) If TRUE, returns raw data

callopts

curl options passed on to crul::HttpClient

Examples

# NOT RUN {
(conn <- SolrClient$new())

# create collection
if (!conn$collection_exists("migrate_from")) {
  conn$collection_create(name = "migrate_from")
  # OR: bin/solr create -c migrate_from
}

# create another collection
if (!conn$collection_exists("migrate_to")) {
  conn$collection_create(name = "migrate_to")
  # OR bin/solr create -c migrate_to
}

# add some documents
file <- system.file("examples", "books.csv", package = "solrium")
x <- read.csv(file, stringsAsFactors = FALSE)
conn$add(x, "migrate_from")

# migrate some documents from one collection to the other
## FIXME - not sure if this is actually working....
# conn$collection_migrate("migrate_from", "migrate_to", split.key = "05535")
# }