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107 lines
2.9 KiB
PHP
107 lines
2.9 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
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* SPDX-License-Identifier: AGPL-3.0-only
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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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