Class: PgDumper

Inherits:
Object
  • Object
show all
Defined in:
lib/pg_dumper.rb,
lib/pg_dumper/railtie.rb,
lib/pg_dumper/version.rb

Defined Under Namespace

Classes: Railtie

Constant Summary collapse

VERSION = 
"0.1.9"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(database, binary = nil) ⇒ PgDumper

Returns a new instance of PgDumper.



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# File 'lib/pg_dumper.rb', line 11

def initialize database, binary = nil
  @database = database or raise "no database given"
  @args = []
  @options = {}
  @binary = binary
end

Instance Attribute Details

#database ⇒ Object (readonly)

Returns the value of attribute database.



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# File 'lib/pg_dumper.rb', line 8

def database
  @database
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/pg_dumper.rb', line 9

def output
  @output
end

Instance Method Details

#args ⇒ Object 



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# File 'lib/pg_dumper.rb', line 104

def args
  if output?
    @args.dup.push('-f', output)
  else
    @args
  end
end

#clean! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 43

def clean!
  add_args "-c"
end

#command ⇒ Object 



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# File 'lib/pg_dumper.rb', line 31

def command
  Escape.shell_command([binary, args, database].flatten).to_s
end

#compress!(level = 9) ⇒ Object 



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# File 'lib/pg_dumper.rb', line 52

def compress! level=9
  add_args '-Z', level if level
end

#connection=(opts) ⇒ Object Also known as: auth= 



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# File 'lib/pg_dumper.rb', line 75

def connection= opts
  add_args('-p', opts['port']) if opts['port']
  add_args('-h', opts['host']) if opts['host']
  add_args('-U', opts['username']) if opts['host']
end

#create! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 39

def create!
  add_args "-C"
end

#data_only! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 47

def data_only!
  add_args "-a", '--disable-triggers'
  add_args '-T', 'schema_migrations'
end

#output? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pg_dumper.rb', line 86

def output?
  !!@output
end

#pretty! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 61

def pretty!
  add_args '--column-inserts'
end

#run(mode = :silent) ⇒ Object 



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# File 'lib/pg_dumper.rb', line 18

def run(mode = :silent)
  raise "ERROR: pg_dump executable not found" unless binary

  options = {}

  case mode
  when :silent
    options[:out] = "/dev/null"
  end

  execute command, options
end

#schema_only! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 35

def schema_only!
  add_args "-s"
end

#silent! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 69

def silent!
  # FIXME: this is not windows friendly
  # try to use same solution as Bundler::NULL
  @stderr = "/dev/null"
end

#skip_owner! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 65

def skip_owner!
  add_args '--no-owner'
end

#tempfile ⇒ Object 



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# File 'lib/pg_dumper.rb', line 100

def tempfile
  @tempfile ||= new_tempfile
end

#verbose! ⇒ Object 



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# File 'lib/pg_dumper.rb', line 56

def verbose!
  @stderr = nil
  add_args "-v"
end