Module: PgPower::SchemaDumper::ExtensionMethods

Included in:
PgPower::SchemaDumper
Defined in:
lib/pg_power/schema_dumper/extension_methods.rb

Overview

Extends ActiveRecord::SchemaDumper class to dump comments on tables and columns.

Instance Method Summary collapse

Instance Method Details

#dump_extensions(stream) ⇒ Object

Dump current database extensions recreation commands to the given stream.

Parameters:

  • stream (#puts) —

    Stream to write to



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# File 'lib/pg_power/schema_dumper/extension_methods.rb', line 14

def dump_extensions(stream)
  extensions = @connection.pg_extensions
  commands   = extensions.map do |extension_name, options|
    result = [%Q|create_extension "#{extension_name}"|]
    result << %Q|:schema_name => "#{options[:schema_name]}"| unless options[:schema_name] == 'public'
    result << %Q|:version => "#{options[:version]}"|
    result.join(', ')
  end

  commands.each do |command|
    stream.puts("  #{command}")
  end

  stream.puts
end

#header_with_extensions(stream) ⇒ Object

Hook ActiveRecord::SchemaDumper#header method to dump extensions in all schemas except for pg_catalog.



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# File 'lib/pg_power/schema_dumper/extension_methods.rb', line 5

def header_with_extensions(stream)
  header_without_extensions(stream)
  dump_extensions(stream)
  stream
end