Class: ROM::SQL::Commands::Update

Inherits:

Commands::Update

• Object
• Commands::Update
• ROM::SQL::Commands::Update

Includes:

ErrorWrapper, Transaction

Defined in:

lib/rom/sql/commands/update.rb

Overview

Update command

Instance Method Summary

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

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

• #execute(tuple) ⇒ Array<Hash>, Hash

  Updates existing tuple in a relation.

• #transaction(options = {}, &block) ⇒ ROM::Commands::Result::Success, ROM::Commands::Result::Failure included from Transaction

  Start a transaction.

Instance Method Details

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

Handle Sequel errors and re-raise ROM-specific errors

#execute(tuple) ⇒ Array<Hash>, Hash

Updates existing tuple in a relation

Returns:

• (Array<Hash>, Hash)

# File 'lib/rom/sql/commands/update.rb', line 26

def execute(tuple)
  update(input[tuple].to_h)
end

#transaction(options = {}, &block) ⇒ ROM::Commands::Result::Success, ROM::Commands::Result::Failure Originally defined in module Transaction

Start a transaction

Parameters:

• options (Hash) (defaults to: {}) —

  The options hash supported by Sequel

Returns:

• (ROM::Commands::Result::Success, ROM::Commands::Result::Failure)