Class: Dbmanager::Adapters::Mysql::Dumper

Inherits:
Object
  • Object
show all
Includes:
Connectable
Defined in:
lib/dbmanager/adapters/mysql.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Connectable

#params

Constructor Details

#initialize(source, filename) ⇒ Dumper

Returns a new instance of Dumper.



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# File 'lib/dbmanager/adapters/mysql.rb', line 22

def initialize(source, filename)
  @source   = source
  @filename = filename
end

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/dbmanager/adapters/mysql.rb', line 19

def filename
  @filename
end

#mysqldump_version ⇒ Object 



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# File 'lib/dbmanager/adapters/mysql.rb', line 31

def mysqldump_version
  @mysqldump_version ||= extract_version Dbmanager.execute('mysqldump --version')
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/dbmanager/adapters/mysql.rb', line 19

def source
  @source
end

Instance Method Details

#dump_command ⇒ Object 



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# File 'lib/dbmanager/adapters/mysql.rb', line 40

def dump_command
  "mysqldump #{ignoretables} #{set_gtid_purged_off} #{params(source)} > '#{filename}'"
end

#dump_command_ssh ⇒ Object 



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# File 'lib/dbmanager/adapters/mysql.rb', line 44

def dump_command_ssh
  "mysqldump #{ignoretables} #{set_gtid_purged_off} #{params(source)}"
end

#extract_version(version) ⇒ Object 



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# File 'lib/dbmanager/adapters/mysql.rb', line 35

def extract_version(version)
  version =~ /Distrib\s+(\d+\.\d+)/
  $1.to_f
end

#ignoretables ⇒ Object 



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# File 'lib/dbmanager/adapters/mysql.rb', line 48

def ignoretables
  if source.ignoretables.present?
    source.ignoretables.inject [] do |arr, table|
      arr << "--ignore-table=#{source.database}.#{table}"
    end.join ' '
  end
end

#run ⇒ Object 



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# File 'lib/dbmanager/adapters/mysql.rb', line 27

def run
  Dbmanager.execute! dump_command
end