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-rw-r--r--lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php431
-rw-r--r--lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php51
-rw-r--r--lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php106
-rw-r--r--lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php42
-rw-r--r--lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php71
5 files changed, 701 insertions, 0 deletions
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php
new file mode 100644
index 00000000000..b922c861630
--- /dev/null
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/ExpressionBuilder.php
@@ -0,0 +1,431 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\DB\QueryBuilder\ExpressionBuilder;
+
+use Doctrine\DBAL\Query\Expression\ExpressionBuilder as DoctrineExpressionBuilder;
+use OC\DB\ConnectionAdapter;
+use OC\DB\QueryBuilder\CompositeExpression;
+use OC\DB\QueryBuilder\FunctionBuilder\FunctionBuilder;
+use OC\DB\QueryBuilder\Literal;
+use OC\DB\QueryBuilder\QueryFunction;
+use OC\DB\QueryBuilder\QuoteHelper;
+use OCP\DB\QueryBuilder\ICompositeExpression;
+use OCP\DB\QueryBuilder\IExpressionBuilder;
+use OCP\DB\QueryBuilder\ILiteral;
+use OCP\DB\QueryBuilder\IParameter;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryFunction;
+use OCP\IDBConnection;
+use Psr\Log\LoggerInterface;
+
+class ExpressionBuilder implements IExpressionBuilder {
+ /** @var \Doctrine\DBAL\Query\Expression\ExpressionBuilder */
+ protected $expressionBuilder;
+
+ /** @var QuoteHelper */
+ protected $helper;
+
+ /** @var IDBConnection */
+ protected $connection;
+
+ /** @var LoggerInterface */
+ protected $logger;
+
+ /** @var FunctionBuilder */
+ protected $functionBuilder;
+
+ public function __construct(ConnectionAdapter $connection, IQueryBuilder $queryBuilder, LoggerInterface $logger) {
+ $this->connection = $connection;
+ $this->logger = $logger;
+ $this->helper = new QuoteHelper();
+ $this->expressionBuilder = new DoctrineExpressionBuilder($connection->getInner());
+ $this->functionBuilder = $queryBuilder->func();
+ }
+
+ /**
+ * Creates a conjunction of the given boolean expressions.
+ *
+ * Example:
+ *
+ * [php]
+ * // (u.type = ?) AND (u.role = ?)
+ * $expr->andX('u.type = ?', 'u.role = ?'));
+ *
+ * @param mixed ...$x Optional clause. Defaults = null, but requires
+ * at least one defined when converting to string.
+ *
+ * @return \OCP\DB\QueryBuilder\ICompositeExpression
+ */
+ public function andX(...$x): ICompositeExpression {
+ if (empty($x)) {
+ $this->logger->debug('Calling ' . IQueryBuilder::class . '::' . __FUNCTION__ . ' without parameters is deprecated and will throw soon.', ['exception' => new \Exception('No parameters in call to ' . __METHOD__)]);
+ }
+ return new CompositeExpression(CompositeExpression::TYPE_AND, $x);
+ }
+
+ /**
+ * Creates a disjunction of the given boolean expressions.
+ *
+ * Example:
+ *
+ * [php]
+ * // (u.type = ?) OR (u.role = ?)
+ * $qb->where($qb->expr()->orX('u.type = ?', 'u.role = ?'));
+ *
+ * @param mixed ...$x Optional clause. Defaults = null, but requires
+ * at least one defined when converting to string.
+ *
+ * @return \OCP\DB\QueryBuilder\ICompositeExpression
+ */
+ public function orX(...$x): ICompositeExpression {
+ if (empty($x)) {
+ $this->logger->debug('Calling ' . IQueryBuilder::class . '::' . __FUNCTION__ . ' without parameters is deprecated and will throw soon.', ['exception' => new \Exception('No parameters in call to ' . __METHOD__)]);
+ }
+ return new CompositeExpression(CompositeExpression::TYPE_OR, $x);
+ }
+
+ /**
+ * Creates a comparison expression.
+ *
+ * @param mixed $x The left expression.
+ * @param string $operator One of the IExpressionBuilder::* constants.
+ * @param mixed $y The right expression.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function comparison($x, string $operator, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+ return $this->expressionBuilder->comparison($x, $operator, $y);
+ }
+
+ /**
+ * Creates an equality comparison expression with the given arguments.
+ *
+ * First argument is considered the left expression and the second is the right expression.
+ * When converted to string, it will generated a <left expr> = <right expr>. Example:
+ *
+ * [php]
+ * // u.id = ?
+ * $expr->eq('u.id', '?');
+ *
+ * @param mixed $x The left expression.
+ * @param mixed $y The right expression.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function eq($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+ return $this->expressionBuilder->eq($x, $y);
+ }
+
+ /**
+ * Creates a non equality comparison expression with the given arguments.
+ * First argument is considered the left expression and the second is the right expression.
+ * When converted to string, it will generated a <left expr> <> <right expr>. Example:
+ *
+ * [php]
+ * // u.id <> 1
+ * $q->where($q->expr()->neq('u.id', '1'));
+ *
+ * @param mixed $x The left expression.
+ * @param mixed $y The right expression.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function neq($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+ return $this->expressionBuilder->neq($x, $y);
+ }
+
+ /**
+ * Creates a lower-than comparison expression with the given arguments.
+ * First argument is considered the left expression and the second is the right expression.
+ * When converted to string, it will generated a <left expr> < <right expr>. Example:
+ *
+ * [php]
+ * // u.id < ?
+ * $q->where($q->expr()->lt('u.id', '?'));
+ *
+ * @param mixed $x The left expression.
+ * @param mixed $y The right expression.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function lt($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+ return $this->expressionBuilder->lt($x, $y);
+ }
+
+ /**
+ * Creates a lower-than-equal comparison expression with the given arguments.
+ * First argument is considered the left expression and the second is the right expression.
+ * When converted to string, it will generated a <left expr> <= <right expr>. Example:
+ *
+ * [php]
+ * // u.id <= ?
+ * $q->where($q->expr()->lte('u.id', '?'));
+ *
+ * @param mixed $x The left expression.
+ * @param mixed $y The right expression.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function lte($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+ return $this->expressionBuilder->lte($x, $y);
+ }
+
+ /**
+ * Creates a greater-than comparison expression with the given arguments.
+ * First argument is considered the left expression and the second is the right expression.
+ * When converted to string, it will generated a <left expr> > <right expr>. Example:
+ *
+ * [php]
+ * // u.id > ?
+ * $q->where($q->expr()->gt('u.id', '?'));
+ *
+ * @param mixed $x The left expression.
+ * @param mixed $y The right expression.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function gt($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+ return $this->expressionBuilder->gt($x, $y);
+ }
+
+ /**
+ * Creates a greater-than-equal comparison expression with the given arguments.
+ * First argument is considered the left expression and the second is the right expression.
+ * When converted to string, it will generated a <left expr> >= <right expr>. Example:
+ *
+ * [php]
+ * // u.id >= ?
+ * $q->where($q->expr()->gte('u.id', '?'));
+ *
+ * @param mixed $x The left expression.
+ * @param mixed $y The right expression.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function gte($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+ return $this->expressionBuilder->gte($x, $y);
+ }
+
+ /**
+ * Creates an IS NULL expression with the given arguments.
+ *
+ * @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be restricted by IS NULL.
+ *
+ * @return string
+ */
+ public function isNull($x): string {
+ $x = $this->helper->quoteColumnName($x);
+ return $this->expressionBuilder->isNull($x);
+ }
+
+ /**
+ * Creates an IS NOT NULL expression with the given arguments.
+ *
+ * @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be restricted by IS NOT NULL.
+ *
+ * @return string
+ */
+ public function isNotNull($x): string {
+ $x = $this->helper->quoteColumnName($x);
+ return $this->expressionBuilder->isNotNull($x);
+ }
+
+ /**
+ * Creates a LIKE() comparison expression with the given arguments.
+ *
+ * @param ILiteral|IParameter|IQueryFunction|string $x Field in string format to be inspected by LIKE() comparison.
+ * @param mixed $y Argument to be used in LIKE() comparison.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function like($x, $y, $type = null): string {
+ $x = $this->helper->quoteColumnName($x);
+ $y = $this->helper->quoteColumnName($y);
+ return $this->expressionBuilder->like($x, $y);
+ }
+
+ /**
+ * Creates a ILIKE() comparison expression with the given arguments.
+ *
+ * @param string $x Field in string format to be inspected by ILIKE() comparison.
+ * @param mixed $y Argument to be used in ILIKE() comparison.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ * @since 9.0.0
+ */
+ public function iLike($x, $y, $type = null): string {
+ return $this->expressionBuilder->like($this->functionBuilder->lower($x), $this->functionBuilder->lower($y));
+ }
+
+ /**
+ * Creates a NOT LIKE() comparison expression with the given arguments.
+ *
+ * @param ILiteral|IParameter|IQueryFunction|string $x Field in string format to be inspected by NOT LIKE() comparison.
+ * @param mixed $y Argument to be used in NOT LIKE() comparison.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function notLike($x, $y, $type = null): string {
+ $x = $this->helper->quoteColumnName($x);
+ $y = $this->helper->quoteColumnName($y);
+ return $this->expressionBuilder->notLike($x, $y);
+ }
+
+ /**
+ * Creates a IN () comparison expression with the given arguments.
+ *
+ * @param ILiteral|IParameter|IQueryFunction|string $x The field in string format to be inspected by IN() comparison.
+ * @param ILiteral|IParameter|IQueryFunction|string|array $y The placeholder or the array of values to be used by IN() comparison.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function in($x, $y, $type = null): string {
+ $x = $this->helper->quoteColumnName($x);
+ $y = $this->helper->quoteColumnNames($y);
+ return $this->expressionBuilder->in($x, $y);
+ }
+
+ /**
+ * Creates a NOT IN () comparison expression with the given arguments.
+ *
+ * @param ILiteral|IParameter|IQueryFunction|string $x The field in string format to be inspected by NOT IN() comparison.
+ * @param ILiteral|IParameter|IQueryFunction|string|array $y The placeholder or the array of values to be used by NOT IN() comparison.
+ * @param mixed|null $type one of the IQueryBuilder::PARAM_* constants
+ * required when comparing text fields for oci compatibility
+ *
+ * @return string
+ */
+ public function notIn($x, $y, $type = null): string {
+ $x = $this->helper->quoteColumnName($x);
+ $y = $this->helper->quoteColumnNames($y);
+ return $this->expressionBuilder->notIn($x, $y);
+ }
+
+ /**
+ * Creates a $x = '' statement, because Oracle needs a different check
+ *
+ * @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be inspected by the comparison.
+ * @return string
+ * @since 13.0.0
+ */
+ public function emptyString($x): string {
+ return $this->eq($x, $this->literal('', IQueryBuilder::PARAM_STR));
+ }
+
+ /**
+ * Creates a `$x <> ''` statement, because Oracle needs a different check
+ *
+ * @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be inspected by the comparison.
+ * @return string
+ * @since 13.0.0
+ */
+ public function nonEmptyString($x): string {
+ return $this->neq($x, $this->literal('', IQueryBuilder::PARAM_STR));
+ }
+
+ /**
+ * Binary AND Operator copies a bit to the result if it exists in both operands.
+ *
+ * @param string|ILiteral $x The field or value to check
+ * @param int $y Bitmap that must be set
+ * @return IQueryFunction
+ * @since 12.0.0
+ */
+ public function bitwiseAnd($x, int $y): IQueryFunction {
+ return new QueryFunction($this->connection->getDatabasePlatform()->getBitAndComparisonExpression(
+ $this->helper->quoteColumnName($x),
+ $y
+ ));
+ }
+
+ /**
+ * Binary OR Operator copies a bit if it exists in either operand.
+ *
+ * @param string|ILiteral $x The field or value to check
+ * @param int $y Bitmap that must be set
+ * @return IQueryFunction
+ * @since 12.0.0
+ */
+ public function bitwiseOr($x, int $y): IQueryFunction {
+ return new QueryFunction($this->connection->getDatabasePlatform()->getBitOrComparisonExpression(
+ $this->helper->quoteColumnName($x),
+ $y
+ ));
+ }
+
+ /**
+ * Quotes a given input parameter.
+ *
+ * @param mixed $input The parameter to be quoted.
+ * @param int $type One of the IQueryBuilder::PARAM_* constants
+ *
+ * @return ILiteral
+ */
+ public function literal($input, $type = IQueryBuilder::PARAM_STR): ILiteral {
+ return new Literal($this->expressionBuilder->literal($input, $type));
+ }
+
+ /**
+ * Returns a IQueryFunction that casts the column to the given type
+ *
+ * @param string|IQueryFunction $column
+ * @param mixed $type One of IQueryBuilder::PARAM_*
+ * @psalm-param IQueryBuilder::PARAM_* $type
+ * @return IQueryFunction
+ */
+ public function castColumn($column, $type): IQueryFunction {
+ return new QueryFunction(
+ $this->helper->quoteColumnName($column)
+ );
+ }
+
+ /**
+ * @param mixed $column
+ * @param mixed|null $type
+ * @return array|IQueryFunction|string
+ */
+ protected function prepareColumn($column, $type) {
+ return $this->helper->quoteColumnNames($column);
+ }
+}
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php
new file mode 100644
index 00000000000..7216fd8807b
--- /dev/null
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/MySqlExpressionBuilder.php
@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\DB\QueryBuilder\ExpressionBuilder;
+
+use OC\DB\ConnectionAdapter;
+use OC\DB\QueryBuilder\QueryFunction;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryFunction;
+use Psr\Log\LoggerInterface;
+
+class MySqlExpressionBuilder extends ExpressionBuilder {
+ protected string $collation;
+
+ public function __construct(ConnectionAdapter $connection, IQueryBuilder $queryBuilder, LoggerInterface $logger) {
+ parent::__construct($connection, $queryBuilder, $logger);
+
+ $params = $connection->getInner()->getParams();
+ $this->collation = $params['collation'] ?? (($params['charset'] ?? 'utf8') . '_general_ci');
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function iLike($x, $y, $type = null): string {
+ $x = $this->helper->quoteColumnName($x);
+ $y = $this->helper->quoteColumnName($y);
+ return $this->expressionBuilder->comparison($x, ' COLLATE ' . $this->collation . ' LIKE', $y);
+ }
+
+ /**
+ * Returns a IQueryFunction that casts the column to the given type
+ *
+ * @param string|IQueryFunction $column
+ * @param mixed $type One of IQueryBuilder::PARAM_*
+ * @psalm-param IQueryBuilder::PARAM_* $type
+ * @return IQueryFunction
+ */
+ public function castColumn($column, $type): IQueryFunction {
+ switch ($type) {
+ case IQueryBuilder::PARAM_STR:
+ return new QueryFunction('CAST(' . $this->helper->quoteColumnName($column) . ' AS CHAR)');
+ default:
+ return parent::castColumn($column, $type);
+ }
+ }
+}
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php
new file mode 100644
index 00000000000..542e8d62ede
--- /dev/null
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php
@@ -0,0 +1,106 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\DB\QueryBuilder\ExpressionBuilder;
+
+use OC\DB\QueryBuilder\QueryFunction;
+use OCP\DB\QueryBuilder\ILiteral;
+use OCP\DB\QueryBuilder\IParameter;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryFunction;
+
+class OCIExpressionBuilder extends ExpressionBuilder {
+ /**
+ * @param mixed $column
+ * @param mixed|null $type
+ * @return array|IQueryFunction|string
+ */
+ protected function prepareColumn($column, $type) {
+ if ($type === IQueryBuilder::PARAM_STR && !is_array($column) && !($column instanceof IParameter) && !($column instanceof ILiteral)) {
+ $column = $this->castColumn($column, $type);
+ }
+
+ return parent::prepareColumn($column, $type);
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function in($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+
+ return $this->expressionBuilder->in($x, $y);
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function notIn($x, $y, $type = null): string {
+ $x = $this->prepareColumn($x, $type);
+ $y = $this->prepareColumn($y, $type);
+
+ return $this->expressionBuilder->notIn($x, $y);
+ }
+
+ /**
+ * Creates a $x = '' statement, because Oracle needs a different check
+ *
+ * @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be inspected by the comparison.
+ * @return string
+ * @since 13.0.0
+ */
+ public function emptyString($x): string {
+ return $this->isNull($x);
+ }
+
+ /**
+ * Creates a `$x <> ''` statement, because Oracle needs a different check
+ *
+ * @param string|ILiteral|IParameter|IQueryFunction $x The field in string format to be inspected by the comparison.
+ * @return string
+ * @since 13.0.0
+ */
+ public function nonEmptyString($x): string {
+ return $this->isNotNull($x);
+ }
+
+ /**
+ * Returns a IQueryFunction that casts the column to the given type
+ *
+ * @param string|IQueryFunction $column
+ * @param mixed $type One of IQueryBuilder::PARAM_*
+ * @psalm-param IQueryBuilder::PARAM_* $type
+ * @return IQueryFunction
+ */
+ public function castColumn($column, $type): IQueryFunction {
+ if ($type === IQueryBuilder::PARAM_STR) {
+ $column = $this->helper->quoteColumnName($column);
+ return new QueryFunction('to_char(' . $column . ')');
+ }
+ if ($type === IQueryBuilder::PARAM_INT) {
+ $column = $this->helper->quoteColumnName($column);
+ return new QueryFunction('to_number(to_char(' . $column . '))');
+ }
+
+ return parent::castColumn($column, $type);
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function like($x, $y, $type = null): string {
+ return parent::like($x, $y, $type) . " ESCAPE '\\'";
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function iLike($x, $y, $type = null): string {
+ return $this->like($this->functionBuilder->lower($x), $this->functionBuilder->lower($y));
+ }
+}
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php
new file mode 100644
index 00000000000..53a566a7eb6
--- /dev/null
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\DB\QueryBuilder\ExpressionBuilder;
+
+use OC\DB\QueryBuilder\QueryFunction;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryFunction;
+
+class PgSqlExpressionBuilder extends ExpressionBuilder {
+ /**
+ * Returns a IQueryFunction that casts the column to the given type
+ *
+ * @param string|IQueryFunction $column
+ * @param mixed $type One of IQueryBuilder::PARAM_*
+ * @psalm-param IQueryBuilder::PARAM_* $type
+ * @return IQueryFunction
+ */
+ public function castColumn($column, $type): IQueryFunction {
+ switch ($type) {
+ case IQueryBuilder::PARAM_INT:
+ return new QueryFunction('CAST(' . $this->helper->quoteColumnName($column) . ' AS BIGINT)');
+ case IQueryBuilder::PARAM_STR:
+ return new QueryFunction('CAST(' . $this->helper->quoteColumnName($column) . ' AS TEXT)');
+ default:
+ return parent::castColumn($column, $type);
+ }
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function iLike($x, $y, $type = null): string {
+ $x = $this->helper->quoteColumnName($x);
+ $y = $this->helper->quoteColumnName($y);
+ return $this->expressionBuilder->comparison($x, 'ILIKE', $y);
+ }
+}
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php
new file mode 100644
index 00000000000..52f82db2232
--- /dev/null
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/SqliteExpressionBuilder.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\DB\QueryBuilder\ExpressionBuilder;
+
+use OC\DB\QueryBuilder\QueryFunction;
+use OCP\DB\QueryBuilder\ILiteral;
+use OCP\DB\QueryBuilder\IParameter;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryFunction;
+
+class SqliteExpressionBuilder extends ExpressionBuilder {
+ /**
+ * @inheritdoc
+ */
+ public function like($x, $y, $type = null): string {
+ return parent::like($x, $y, $type) . " ESCAPE '\\'";
+ }
+
+ public function iLike($x, $y, $type = null): string {
+ return $this->like($this->functionBuilder->lower($x), $this->functionBuilder->lower($y), $type);
+ }
+
+ /**
+ * @param mixed $column
+ * @param mixed|null $type
+ * @return array|IQueryFunction|string
+ */
+ protected function prepareColumn($column, $type) {
+ if ($type !== null
+ && !is_array($column)
+ && !($column instanceof IParameter)
+ && !($column instanceof ILiteral)
+ && (str_starts_with($type, 'date') || str_starts_with($type, 'time'))) {
+ return $this->castColumn($column, $type);
+ }
+
+ return parent::prepareColumn($column, $type);
+ }
+
+ /**
+ * Returns a IQueryFunction that casts the column to the given type
+ *
+ * @param string $column
+ * @param mixed $type One of IQueryBuilder::PARAM_*
+ * @return IQueryFunction
+ */
+ public function castColumn($column, $type): IQueryFunction {
+ switch ($type) {
+ case IQueryBuilder::PARAM_DATE_MUTABLE:
+ case IQueryBuilder::PARAM_DATE_IMMUTABLE:
+ $column = $this->helper->quoteColumnName($column);
+ return new QueryFunction('DATE(' . $column . ')');
+ case IQueryBuilder::PARAM_DATETIME_MUTABLE:
+ case IQueryBuilder::PARAM_DATETIME_IMMUTABLE:
+ case IQueryBuilder::PARAM_DATETIME_TZ_MUTABLE:
+ case IQueryBuilder::PARAM_DATETIME_TZ_IMMUTABLE:
+ $column = $this->helper->quoteColumnName($column);
+ return new QueryFunction('DATETIME(' . $column . ')');
+ case IQueryBuilder::PARAM_TIME_MUTABLE:
+ case IQueryBuilder::PARAM_TIME_IMMUTABLE:
+ $column = $this->helper->quoteColumnName($column);
+ return new QueryFunction('TIME(' . $column . ')');
+ }
+
+ return parent::castColumn($column, $type);
+ }
+}