43 lines
1.1 KiB
PHP
43 lines
1.1 KiB
PHP
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<?php
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namespace Szurubooru\Upgrades;
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class Upgrade10 implements IUpgrade
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{
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public function run(\Szurubooru\DatabaseConnection $databaseConnection)
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{
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$pdo = $databaseConnection->getPDO();
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$pdo->exec('ALTER TABLE posts ADD COLUMN favCount INTEGER NOT NULL DEFAULT 0');
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$pdo->exec('CREATE TABLE favorites
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(
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id INTEGER PRIMARY KEY NOT NULL,
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userId INTEGER NOT NULL,
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postId INTEGER NOT NULL,
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UNIQUE (userId, postId)
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)');
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$pdo->exec('
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CREATE TRIGGER favoritesDelete BEFORE DELETE ON favorites
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FOR EACH ROW
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BEGIN
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UPDATE posts SET favCount = favCount - 1 WHERE posts.id = OLD.postId;
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END');
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$pdo->exec('
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CREATE TRIGGER favoritesInsert AFTER INSERT ON favorites
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FOR EACH ROW
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BEGIN
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UPDATE posts SET favCount = favCount + 1 WHERE posts.id = NEW.postId;
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END');
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$pdo->exec('
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CREATE TRIGGER favoritesUpdate AFTER UPDATE ON favorites
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FOR EACH ROW
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BEGIN
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UPDATE posts SET favCount = favCount + 1 WHERE posts.id = NEW.postId;
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UPDATE posts SET favCount = favCount - 1 WHERE posts.id = NEW.postId;
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END');
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}
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}
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