addSql('CREATE TABLE signals (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, user_key VARCHAR(64) NOT NULL, lat DOUBLE PRECISION NOT NULL, lng DOUBLE PRECISION NOT NULL, created_at DATETIME NOT NULL)'); $this->addSql('CREATE INDEX idx_signals_created_at ON signals (created_at)'); $this->addSql('CREATE INDEX idx_signals_user_key ON signals (user_key)'); } public function down(Schema $schema): void { $this->addSql('DROP TABLE signals'); } }