46 lines
1.7 KiB
PHP
46 lines
1.7 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Entity\Migration;
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use Doctrine\DBAL\Schema\Schema;
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use Doctrine\Migrations\AbstractMigration;
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/**
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* Auto-generated Migration: Please modify to your needs!
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*/
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final class Version20200417082209 extends AbstractMigration
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{
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public function getDescription(): string
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{
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return 'Expand indices for improved performance.';
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}
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public function up(Schema $schema): void
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{
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$this->addSql('DROP INDEX update_idx ON listener');
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$this->addSql('DROP INDEX search_idx ON listener');
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$this->addSql('CREATE INDEX idx_timestamps ON listener (timestamp_end, timestamp_start)');
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$this->addSql('DROP INDEX history_idx ON song_history');
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$this->addSql('CREATE INDEX idx_timestamp_cued ON song_history (timestamp_cued)');
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$this->addSql('CREATE INDEX idx_timestamp_start ON song_history (timestamp_start)');
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$this->addSql('CREATE INDEX idx_timestamp_end ON song_history (timestamp_end)');
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$this->addSql('CREATE INDEX idx_short_name ON station (short_name)');
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}
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public function down(Schema $schema): void
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{
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$this->addSql('DROP INDEX idx_timestamps ON listener');
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$this->addSql('CREATE INDEX update_idx ON listener (listener_hash)');
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$this->addSql('CREATE INDEX search_idx ON listener (listener_uid, timestamp_end)');
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$this->addSql('DROP INDEX idx_timestamp_cued ON song_history');
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$this->addSql('DROP INDEX idx_timestamp_start ON song_history');
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$this->addSql('DROP INDEX idx_timestamp_end ON song_history');
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$this->addSql('CREATE INDEX history_idx ON song_history (timestamp_start, timestamp_end, listeners_start)');
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$this->addSql('DROP INDEX idx_short_name ON station');
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}
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}
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