github-ds/examples/sql.rb

56 строки
1.3 KiB
Ruby
Исходник Постоянная ссылка Обычный вид История

require File.expand_path("../example_setup", __FILE__)
require "github/sql"
################################# Class Style ##################################
sql = GitHub::SQL.run <<-SQL, key: "foo", value: "bar"
INSERT INTO example_key_values (`key`, `value`) VALUES (:key, :value)
SQL
p sql.last_insert_id
# 1
p GitHub::SQL.value <<-SQL, key: "foo"
SELECT value FROM example_key_values WHERE `key` = :key
SQL
# "bar"
sql = GitHub::SQL.run <<-SQL, key: "foo", value: "new value"
UPDATE example_key_values SET value = :value WHERE `key` = :key
SQL
p sql.affected_rows
# 1
sql = GitHub::SQL.run <<-SQL, key: "foo"
DELETE FROM example_key_values WHERE `key` = :key
SQL
p sql.affected_rows
# 1
################################ Instance Style ################################
sql = GitHub::SQL.new <<-SQL, key: "foo", value: "bar"
INSERT INTO example_key_values (`key`, `value`) VALUES (:key, :value)
SQL
sql.run
p sql.last_insert_id
# 2
sql = GitHub::SQL.new <<-SQL, key: "foo"
SELECT value FROM example_key_values WHERE `key` = :key
SQL
p sql.value
# "bar"
sql = GitHub::SQL.new <<-SQL, key: "foo", value: "new value"
UPDATE example_key_values SET value = :value WHERE `key` = :key
SQL
sql.run
p sql.affected_rows
# 1
sql = GitHub::SQL.new <<-SQL, key: "foo"
DELETE FROM example_key_values WHERE `key` = :key
SQL
sql.run
p sql.affected_rows
# 1