52 lines
1.4 KiB
Ruby
52 lines
1.4 KiB
Ruby
module CouchRest
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class Upgrade
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attr_accessor :olddb, :newdb, :dbname
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def initialize dbname, old_couch, new_couch
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@dbname = dbname
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@olddb = old_couch.database dbname
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@newdb = new_couch.database!(dbname)
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@bulk_docs = []
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end
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def clone!
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puts "#{dbname} - #{olddb.info['doc_count']} docs"
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streamer = CouchRest::Streamer.new(olddb)
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streamer.view("_all_docs_by_seq") do |row|
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load_row_docs(row) if row
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maybe_flush_bulks
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end
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flush_bulks!
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end
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private
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def maybe_flush_bulks
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flush_bulks! if (@bulk_docs.length > 99)
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end
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def flush_bulks!
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url = CouchRest.paramify_url "#{@newdb.uri}/_bulk_docs", {:all_or_nothing => true}
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puts "posting #{@bulk_docs.length} bulk docs to #{url}"
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begin
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CouchRest.post url, {:docs => @bulk_docs}
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@bulk_docs = []
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rescue Exception => e
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puts e.response
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raise e
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end
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end
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def load_row_docs(row)
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results = @olddb.get(row["id"], {:open_revs => "all", :attachments => true})
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results.select{|r|r["ok"]}.each do |r|
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doc = r["ok"]
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if /^_/.match(doc["_id"]) && !/^_design/.match(doc["_id"])
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puts "invalid docid #{doc["_id"]} -- trimming"
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doc["_id"] = doc["_id"].sub('_','')
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end
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doc.delete('_rev')
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@bulk_docs << doc
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end
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end
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end
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end
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