szurubooru/src/Upgrades/Upgrade11.php

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2014-09-28 15:21:25 +02:00
<?php
namespace Szurubooru\Upgrades;
class Upgrade11 implements IUpgrade
{
public function run(\Szurubooru\DatabaseConnection $databaseConnection)
{
$pdo = $databaseConnection->getPDO();
$pdo->exec('ALTER TABLE posts ADD COLUMN score INTEGER NOT NULL DEFAULT 0');
$pdo->exec('CREATE TABLE postScores
(
id INTEGER PRIMARY KEY NOT NULL,
userId INTEGER NOT NULL,
postId INTEGER NOT NULL,
time TIMESTAMP NOT NULL,
score INTEGER NOT NULL,
UNIQUE (userId, postId)
)');
$pdo->exec('
CREATE TRIGGER postScoresDelete AFTER DELETE ON postScores
FOR EACH ROW
BEGIN
UPDATE posts SET score = (
SELECT SUM(score) FROM postScores
WHERE postScores.postId = posts.id)
WHERE posts.id = OLD.postId;
END');
$pdo->exec('
CREATE TRIGGER postScoresInsert AFTER INSERT ON postScores
FOR EACH ROW
BEGIN
UPDATE posts SET score = (
SELECT SUM(score) FROM postScores
WHERE postScores.postId = posts.id)
WHERE posts.id = NEW.postId;
END');
$pdo->exec('
CREATE TRIGGER postScoresUpdate AFTER UPDATE ON postScores
FOR EACH ROW
BEGIN
UPDATE posts SET score = (
SELECT SUM(score) FROM postScores
WHERE postScores.postId = posts.id)
WHERE posts.id = OLD.postId;
UPDATE posts SET score = (
SELECT SUM(score) FROM postScores
WHERE postScores.postId = posts.id)
WHERE posts.id = NEW.postId;
END');
}
}