Class: ROM::SQL::Commands::Delete

Inherits:

Commands::Delete

• Object
• Commands::Delete
• ROM::SQL::Commands::Delete

Includes:

ErrorWrapper

Defined in:

lib/rom/sql/commands/delete.rb

Overview

SQL delete command

Instance Method Summary

• #call(*args) ⇒ Hash⁺ (also: #[]) included from ErrorWrapper

  Handle Sequel errors and re-raise ROM-specific errors.

• #execute ⇒ Array<Hash>

  Deletes tuples from a relation.

Instance Method Details

#call(*args) ⇒ Hash⁺ Also known as: [] Originally defined in module ErrorWrapper

Handle Sequel errors and re-raise ROM-specific errors

Returns:

• (Hash, Array<Hash>)

Raises:

• SQL::Error

#execute ⇒ Array<Hash>

Deletes tuples from a relation

Returns:

• (Array<Hash>) —

  deleted tuples

# File 'lib/rom/sql/commands/delete.rb', line 21

def execute
  deleted = relation.to_a
  relation.delete
  deleted
end