Module: PG::Schema

Defined in:
lib/pg/schema-migration.rb

Defined Under Namespace

Classes: Migration, MigrationDSL, Migrator

Constant Summary collapse

MigrationNotFoundError = 
Class.new(Exception)
@@migrations = 
[]

Class Method Summary collapse

Class Method Details

.get_migration_by_version(version) ⇒ Object

Raises:



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# File 'lib/pg/schema-migration.rb', line 20

def self.get_migration_by_version(version)
  migration_position = version - 1

  raise MigrationNotFoundError, "can't find migration with version #{version}" unless @@migrations[migration_position]

  @@migrations[migration_position]
end

.migration(&block) ⇒ Object 



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# File 'lib/pg/schema-migration.rb', line 14

def self.migration(&block)
  MigrationDSL.new(&block).migration.tap do |migration|
    @@migrations << migration
  end
end

.migrations ⇒ Object 



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# File 'lib/pg/schema-migration.rb', line 10

def self.migrations
  @@migrations
end