30 lines
649 B
Ruby
30 lines
649 B
Ruby
module MigrationsHelpers
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def table(name)
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Class.new(ActiveRecord::Base) { self.table_name = name }
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end
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def migrations_paths
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ActiveRecord::Migrator.migrations_paths
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end
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def table_exists?(name)
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ActiveRecord::Base.connection.table_exists?(name)
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end
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def migrations
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ActiveRecord::Migrator.migrations(migrations_paths)
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end
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def previous_migration
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migrations.each_cons(2) do |previous, migration|
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break previous if migration.name == described_class.name
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end
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end
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def migrate!
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ActiveRecord::Migrator.up(migrations_paths) do |migration|
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migration.name == described_class.name
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end
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end
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end
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