Class: Fluent::BigObjectOutput::TableElement

Inherits:
Object
  • Object
show all
Includes:
Configurable
Defined in:
lib/fluent/plugin/out_bigobject.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(log) ⇒ TableElement

Returns a new instance of TableElement.



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# File 'lib/fluent/plugin/out_bigobject.rb', line 28

def initialize(log)
  super()
  @log = log
end

Instance Attribute Details

#mpattern ⇒ Object (readonly)

Returns the value of attribute mpattern.



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# File 'lib/fluent/plugin/out_bigobject.rb', line 26

def mpattern
  @mpattern
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_bigobject.rb', line 33

def configure(conf)
  super
  @mpattern = Fluent::MatchPattern.create(pattern)
  @mapping = parse_column_mapping(@column_mapping)
  @log.info("column mapping for #{table} - #{@mapping}")
  @format_proc = Proc.new { |record|
    new_record = {}
    @mapping.each { |k, c|
      new_record[c] = record[k]
    }
    new_record
  }
end

#send(bourl, chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_bigobject.rb', line 47

def send(bourl, chunk)
  stmts = Array.new
  i=0
  columns = nil
  chunk.msgpack_each { |tag, time, data|
     keys = Array.new
     values = Array.new
     data = @format_proc.call(data)
     data.keys.sort.each do |key|
       keys << key
       values << data[key]
     end
     if columns.to_s.empty?
       columns = "(#{keys.join(",")})"
     end
     #single quote each column data
     stmts.push("('#{values.join("','")}')")
     i+=1
  }
  
  sendStmt = "INSERT INTO #{@table}  #{columns} VALUES" + stmts.join(",")
#      @log.debug("sendStmt=", sendStmt)
  @log.info("bigobject start insert #{i} rows")
  resp = sendBO(bourl, sendStmt)
  parsed = JSON.parse(resp)
  err = parsed['Err']
#      puts "Content=#{parsed['Content']}, Err=#{err}"
  if (err.to_s!='')
    @log.error("[BigObject] #{err}")
  end
  @log.info("bigobject end insert #{i} rows")
  
end

#to_s ⇒ Object 



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# File 'lib/fluent/plugin/out_bigobject.rb', line 81

def to_s
  "table:#{table}, column_mapping:#{column_mapping}, pattern:#{pattern}"
end