class PGTrunk::Operation::IrreversibleMigration
@private The exception to be thrown when reversed migration isn’t valid
Public Class Methods
new(operation, inversion, *messages)
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Calls superclass method
# File lib/pg_trunk/core/operation/inversion.rb, line 9 def initialize(operation, inversion, *messages) msg = "#{header(operation)}#{inverted(inversion)} #{footer(messages)}" super(msg.strip) end
Private Instance Methods
header(operation)
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# File lib/pg_trunk/core/operation/inversion.rb, line 14 def header(operation) <<~MSG This migration uses the operation: #{operation.to_ruby.indent(2).strip} MSG end
inverted(inversion)
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# File lib/pg_trunk/core/operation/inversion.rb, line 23 def inverted(inversion) return "which is not automatically reversible" unless inversion <<~MSG.strip whose inversion would be like: #{inversion.to_ruby.indent(2).strip} which is invalid MSG end