30 lines
761 B
Ruby
30 lines
761 B
Ruby
require 'rubygems'
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require 'couchrest'
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# subset.rb replicates a percentage of a database to a fresh database.
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# use it to create a smaller dataset on which to prototype views.
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# specify the source database
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source = CouchRest.new("http://127.0.0.1:5984").database('source-db')
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# specify the target database
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target = CouchRest.new("http://127.0.0.1:5984").database('target-db')
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# pager efficiently yields all view rows
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pager = CouchRest::Pager.new(source)
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pager.all_docs(1000) do |rows|
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docs = rows.collect do |r|
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# the percentage of docs to clone
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next if rand > 0.1
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doc = source.get(r['id'])
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doc.delete('_rev')
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doc
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end.compact
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puts docs.length
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next if docs.empty?
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puts docs.first['_id']
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target.bulk_save(docs)
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end
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