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86dc766276
Move the logic to prepare a column to the parent ExpressionBuilder so that it can be reused for OCI and sqlite Signed-off-by: Julius Härtl <jus@bitgrid.net>
123 lines
3.6 KiB
PHP
123 lines
3.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\DB\QueryBuilder\ExpressionBuilder;
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use OC\DB\QueryBuilder\QueryFunction;
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use OCP\DB\QueryBuilder\ILiteral;
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use OCP\DB\QueryBuilder\IParameter;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\DB\QueryBuilder\IQueryFunction;
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class OCIExpressionBuilder extends ExpressionBuilder {
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/**
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* @param mixed $column
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* @param mixed|null $type
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* @return array|IQueryFunction|string
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*/
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protected function prepareColumn($column, $type) {
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if ($type === IQueryBuilder::PARAM_STR && !is_array($column) && !($column instanceof IParameter) && !($column instanceof ILiteral)) {
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$column = $this->castColumn($column, $type);
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}
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return parent::prepareColumn($column, $type);
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}
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/**
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* @inheritdoc
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*/
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public function in($x, $y, $type = null): string {
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$x = $this->prepareColumn($x, $type);
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$y = $this->prepareColumn($y, $type);
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return $this->expressionBuilder->in($x, $y);
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}
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/**
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* @inheritdoc
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*/
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public function notIn($x, $y, $type = null): string {
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$x = $this->prepareColumn($x, $type);
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$y = $this->prepareColumn($y, $type);
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return $this->expressionBuilder->notIn($x, $y);
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}
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/**
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* Creates a $x = '' statement, because Oracle needs a different check
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*
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* @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be inspected by the comparison.
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* @return string
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* @since 13.0.0
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*/
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public function emptyString($x): string {
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return $this->isNull($x);
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}
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/**
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* Creates a `$x <> ''` statement, because Oracle needs a different check
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*
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* @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be inspected by the comparison.
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* @return string
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* @since 13.0.0
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*/
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public function nonEmptyString($x): string {
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return $this->isNotNull($x);
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}
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/**
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* Returns a IQueryFunction that casts the column to the given type
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*
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* @param string|IQueryFunction $column
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* @param mixed $type One of IQueryBuilder::PARAM_*
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* @psalm-param IQueryBuilder::PARAM_* $type
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* @return IQueryFunction
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*/
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public function castColumn($column, $type): IQueryFunction {
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if ($type === IQueryBuilder::PARAM_STR) {
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$column = $this->helper->quoteColumnName($column);
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return new QueryFunction('to_char(' . $column . ')');
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}
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if ($type === IQueryBuilder::PARAM_INT) {
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$column = $this->helper->quoteColumnName($column);
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return new QueryFunction('to_number(to_char(' . $column . '))');
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}
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return parent::castColumn($column, $type);
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}
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/**
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* @inheritdoc
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*/
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public function like($x, $y, $type = null): string {
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return parent::like($x, $y, $type) . " ESCAPE '\\'";
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}
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/**
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* @inheritdoc
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*/
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public function iLike($x, $y, $type = null): string {
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return $this->like($this->functionBuilder->lower($x), $this->functionBuilder->lower($y));
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}
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}
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