nextcloud/lib/private/db/querybuilder/ociexpressionbuilder.php

<?php
/**
 * @author Joas Schilling <nickvergessen@owncloud.com>
 *
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\DB\QueryBuilder;

use OCP\DB\QueryBuilder\ILiteral;
use OCP\DB\QueryBuilder\IParameter;
use OCP\DB\QueryBuilder\IQueryBuilder;

class OCIExpressionBuilder extends ExpressionBuilder {

	/**
	 * @inheritdoc
	 */
	public function comparison($x, $operator, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnName($y);
		}

		return $this->expressionBuilder->comparison($x, $operator, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function eq($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnName($y);
		}

		return $this->expressionBuilder->eq($x, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function neq($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnName($y);
		}

		return $this->expressionBuilder->neq($x, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function lt($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnName($y);
		}

		return $this->expressionBuilder->lt($x, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function lte($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnName($y);
		}

		return $this->expressionBuilder->lte($x, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function gt($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnName($y);
		}

		return $this->expressionBuilder->gt($x, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function gte($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnName($y);
		}

		return $this->expressionBuilder->gte($x, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function in($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !is_array($y) && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnNames($y);
		}

		return $this->expressionBuilder->in($x, $y);
	}

	/**
	 * @inheritdoc
	 */
	public function notIn($x, $y, $type = null) {
		$x = $this->helper->quoteColumnName($x);
		if ($type === IQueryBuilder::PARAM_STR) {
			$x = new QueryFunction('to_char(' . $x . ')');
		}

		if ($type === IQueryBuilder::PARAM_STR && !is_array($y) && !($y instanceof IParameter) && !($y instanceof ILiteral)) {
			$y = $this->helper->quoteColumnName($y);
			$y = new QueryFunction('to_char(' . $y . ')');
		} else {
			$y = $this->helper->quoteColumnNames($y);
		}

		return $this->expressionBuilder->notIn($x, $y);
	}
}