Initial commit

application/Espo/ORM/Query/Part/Where/AndGroup.php

@@ -0,0 +1,108 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Query\Part\Where;
+
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem;
+
+/**
+ * AND-group. Immutable.
+ */
+class AndGroup implements WhereItem
+{
+    /** @var array<string|int, mixed> */
+    private $rawValue = [];
+
+    /**
+     * @return array<string|int, mixed>
+     */
+    public function getRaw(): array
+    {
+        return ['AND' => $this->getRawValue()];
+    }
+
+    public function getRawKey(): string
+    {
+        return 'AND';
+    }
+
+    /**
+     * @return array<string|int, mixed>
+     */
+    public function getRawValue(): array
+    {
+        return $this->rawValue;
+    }
+
+    /**
+     * Get a number of items.
+     */
+    public function getItemCount(): int
+    {
+        return count($this->rawValue);
+    }
+
+    /**
+     * @param array<string|int, mixed> $whereClause
+     * @return self
+     */
+    public static function fromRaw(array $whereClause): self
+    {
+        if (count($whereClause) === 1 && array_keys($whereClause)[0] === 0) {
+            $whereClause = $whereClause[0];
+        }
+
+        // Do not refactor.
+        $obj = static::class === WhereClause::class ?
+            new WhereClause() :
+            new self();
+
+        /** @phpstan-ignore-next-line */
+        $obj->rawValue = $whereClause;
+
+        return $obj;
+    }
+
+    public static function create(WhereItem ...$itemList): self
+    {
+        $builder = self::createBuilder();
+
+        foreach ($itemList as $item) {
+            $builder->add($item);
+        }
+
+        return $builder->build();
+    }
+
+    public static function createBuilder(): AndGroupBuilder
+    {
+        return new AndGroupBuilder();
+    }
+}

application/Espo/ORM/Query/Part/Where/AndGroupBuilder.php

@@ -0,0 +1,95 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Query\Part\Where;
+
+use Espo\ORM\Query\Part\WhereItem;
+
+class AndGroupBuilder
+{
+    /** @var array<string|int, mixed> */
+    private array $raw = [];
+
+    public function build(): AndGroup
+    {
+        return AndGroup::fromRaw($this->raw);
+    }
+
+    public function add(WhereItem $item): self
+    {
+        $key = $item->getRawKey();
+        $value = $item->getRawValue();
+
+        if ($item instanceof AndGroup) {
+            $this->raw = self::normalizeRaw($this->raw);
+
+            $this->raw[] = $item->getRawValue();
+
+            return $this;
+        }
+
+        if (count($this->raw) === 0) {
+            $this->raw[$key] = $value;
+
+            return $this;
+        }
+
+        $this->raw = self::normalizeRaw($this->raw);
+
+        $this->raw[] = [$key => $value];
+
+        return $this;
+    }
+
+    /**
+     * Merge with another AndGroup.
+     */
+    public function merge(AndGroup $andGroup): self
+    {
+        $this->raw = array_merge(
+            self::normalizeRaw($this->raw),
+            self::normalizeRaw($andGroup->getRawValue())
+        );
+
+        return $this;
+    }
+
+    /**
+     * @param array<string|int, mixed> $raw
+     * @return array<string|int, mixed>
+     */
+    private static function normalizeRaw(array $raw): array
+    {
+        if (count($raw) === 1 && array_keys($raw)[0] !== 0) {
+            return [$raw];
+        }
+
+        return $raw;
+    }
+}

application/Espo/ORM/Query/Part/Where/Comparison.php

@@ -0,0 +1,433 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Query\Part\Where;
+
+use Espo\ORM\Query\Part\Expression;
+use Espo\ORM\Query\Part\WhereItem;
+use Espo\ORM\Query\Select;
+
+use RuntimeException;
+
+/**
+ * Compares an expression to a value or another expression. Immutable.
+ */
+class Comparison implements WhereItem
+{
+    private const OPERATOR_EQUAL = '=';
+    private const OPERATOR_NOT_EQUAL = '!=';
+    private const OPERATOR_GREATER = '>';
+    private const OPERATOR_GREATER_OR_EQUAL = '>=';
+    private const OPERATOR_LESS = '<';
+    private const OPERATOR_LESS_OR_EQUAL = '<=';
+    private const OPERATOR_LIKE = '*';
+    private const OPERATOR_NOT_LIKE = '!*';
+    private const OPERATOR_IN_SUB_QUERY = '=s';
+    private const OPERATOR_NOT_IN_SUB_QUERY = '!=s';
+    private const OPERATOR_NOT_EQUAL_ANY = '!=any';
+    private const OPERATOR_GREATER_ANY = '>any';
+    private const OPERATOR_GREATER_OR_EQUAL_ANY = '>=any';
+    private const OPERATOR_LESS_ANY = '<any';
+    private const OPERATOR_LESS_OR_EQUAL_ANY = '<=any';
+    private const OPERATOR_EQUAL_ALL = '=all';
+    private const OPERATOR_GREATER_ALL = '>all';
+    private const OPERATOR_GREATER_OR_EQUAL_ALL = '>=all';
+    private const OPERATOR_LESS_ALL = '<all';
+    private const OPERATOR_LESS_OR_EQUAL_ALL = '<=all';
+
+    private string $rawKey;
+    private mixed $rawValue;
+
+    private function __construct(string $rawKey, mixed $rawValue)
+    {
+        $this->rawKey = $rawKey;
+        $this->rawValue = $rawValue;
+    }
+
+    public function getRaw(): array
+    {
+        return [$this->rawKey => $this->rawValue];
+    }
+
+    public function getRawKey(): string
+    {
+        return $this->rawKey;
+    }
+
+    public function getRawValue(): mixed
+    {
+        return $this->rawValue;
+    }
+
+    /**
+     * Create '=' comparison.
+     *
+     * @param Expression $argument1 An expression.
+     * @param Expression|Select|string|int|float|bool|null $argument2 A scalar, expression or sub-query.
+     * @return self
+     */
+    public static function equal(
+        Expression $argument1,
+        Expression|Select|string|int|float|bool|null $argument2
+    ): self {
+
+        return self::createComparison(self::OPERATOR_EQUAL, $argument1, $argument2);
+    }
+
+    /**
+     * Create '!=' comparison.
+     *
+     * @param Expression $argument1 An expression.
+     * @param Expression|Select|string|int|float|bool|null $argument2 A scalar, expression or sub-query.
+     * @return self
+     */
+    public static function notEqual(
+        Expression $argument1,
+        Expression|Select|string|int|float|bool|null $argument2
+    ): self {
+
+        return self::createComparison(self::OPERATOR_NOT_EQUAL, $argument1, $argument2);
+    }
+
+    /**
+     * Create 'LIKE' comparison.
+     *
+     * @param Expression $subject What to test.
+     * @param Expression|string $pattern A pattern.
+     * @return self
+     */
+    public static function like(Expression $subject, Expression|string $pattern): self
+    {
+        return self::createComparison(self::OPERATOR_LIKE, $subject, $pattern);
+    }
+
+    /**
+     * Create 'NOT LIKE' comparison.
+     *
+     * @param Expression $subject What to test.
+     * @param Expression|string $pattern A pattern.
+     * @return self
+     */
+    public static function notLike(Expression $subject, Expression|string $pattern): self
+    {
+        return self::createComparison(self::OPERATOR_NOT_LIKE, $subject, $pattern);
+    }
+
+    /**
+     * Create '>' comparison.
+     *
+     * @param Expression $argument1 An expression.
+     * @param Expression|Select|string|int|float $argument2 A scalar, expression or sub-query.
+     * @return self
+     */
+    public static function greater(Expression $argument1, Expression|Select|string|int|float $argument2): self
+    {
+        return self::createComparison(self::OPERATOR_GREATER, $argument1, $argument2);
+    }
+
+    /**
+     * Create '>=' comparison.
+     *
+     * @param Expression $argument1 An expression.
+     * @param Expression|Select|string|int|float $argument2 A scalar, expression or sub-query.
+     * @return self
+     */
+    public static function greaterOrEqual(Expression $argument1, Expression|Select|string|int|float $argument2): self
+    {
+        return self::createComparison(self::OPERATOR_GREATER_OR_EQUAL, $argument1, $argument2);
+    }
+
+    /**
+     * Create '<' comparison.
+     *
+     * @param Expression $argument1 An expression.
+     * @param Expression|Select|string|int|float $argument2 A scalar, expression or sub-query.
+     * @return self
+     */
+    public static function less(Expression $argument1, Expression|Select|string|int|float $argument2): self
+    {
+        return self::createComparison(self::OPERATOR_LESS, $argument1, $argument2);
+    }
+
+    /**
+     * Create '<=' comparison.
+     *
+     * @param Expression $argument1 An expression.
+     * @param Expression|Select|string|int|float $argument2 A scalar, expression or sub-query.
+     * @return self
+     */
+    public static function lessOrEqual(Expression $argument1, Expression|Select|string|int|float $argument2): self
+    {
+        return self::createComparison(self::OPERATOR_LESS_OR_EQUAL, $argument1, $argument2);
+    }
+
+    /**
+     * Create 'IN' comparison.
+     *
+     * @param Expression $subject What to test.
+     * @param Select|scalar[] $set A set of values. A select query or array of scalars.
+     * @return self
+     */
+    public static function in(Expression $subject, Select|array $set): self
+    {
+        if ($set instanceof Select) {
+            return self::createInOrNotInSubQuery(self::OPERATOR_IN_SUB_QUERY, $subject, $set);
+        }
+
+        return self::createInOrNotInArray(self::OPERATOR_EQUAL, $subject, $set);
+    }
+
+    /**
+     * Create 'NOT IN' comparison.
+     *
+     * @param Expression $subject What to test.
+     * @param Select|scalar[] $set A set of values. A select query or array of scalars.
+     * @return self
+     */
+    public static function notIn(Expression $subject, Select|array $set): self
+    {
+        if ($set instanceof Select) {
+            return self::createInOrNotInSubQuery(self::OPERATOR_NOT_IN_SUB_QUERY, $subject, $set);
+        }
+
+        return self::createInOrNotInArray(self::OPERATOR_NOT_EQUAL, $subject, $set);
+    }
+
+    /**
+     * Create '!= ANY' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function notEqualAny(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_NOT_EQUAL_ANY, $argument, $subQuery);
+    }
+
+    /**
+     * Create '> ANY' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function greaterAny(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_GREATER_ANY, $argument, $subQuery);
+    }
+
+    /**
+     * Create '< ANY' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function lessAny(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_LESS_ANY, $argument, $subQuery);
+    }
+
+    /**
+     * Create '>= ANY' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function greaterOrEqualAny(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_GREATER_OR_EQUAL_ANY, $argument, $subQuery);
+    }
+
+    /**
+     * Create '<= ANY' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function lessOrEqualAny(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_LESS_OR_EQUAL_ANY, $argument, $subQuery);
+    }
+
+    /**
+     * Create '= ALL' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function equalAll(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_EQUAL_ALL, $argument, $subQuery);
+    }
+
+    /**
+     * Create '> ALL' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function greaterAll(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_GREATER_ALL, $argument, $subQuery);
+    }
+
+    /**
+     * Create '< ALL' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function lessAll(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_LESS_ALL, $argument, $subQuery);
+    }
+
+    /**
+     * Create '>= ALL' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function greaterOrEqualAll(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_GREATER_OR_EQUAL_ALL, $argument, $subQuery);
+    }
+
+    /**
+     * Create '<= ALL' comparison.
+     *
+     * @param Expression $argument An expression.
+     * @param Select $subQuery A sub-query.
+     * @return self
+     */
+    public static function lessOrEqualAll(Expression $argument, Select $subQuery): self
+    {
+        return self::createComparison(self::OPERATOR_LESS_OR_EQUAL_ALL, $argument, $subQuery);
+    }
+
+    private static function createComparison(
+        string $operator,
+        Expression|string $argument1,
+        Expression|Select|string|int|float|bool|null $argument2
+    ): self {
+
+        if (is_string($argument1)) {
+            $key = $argument1;
+
+            if ($key === '') {
+                throw new RuntimeException("Expression can't be empty.");
+            }
+        } else {
+            $key = $argument1->getValue();
+        }
+
+        if (str_ends_with($key, ':')) {
+            throw new RuntimeException("Expression should not end with `:`.");
+        }
+
+        $key .= $operator;
+
+        if ($argument2 instanceof Expression) {
+            $key .= ':';
+
+            $value = $argument2->getValue();
+        } else {
+            $value = $argument2;
+        }
+
+        return new self($key, $value);
+    }
+
+    /**
+     * @param scalar[] $valueList
+     */
+    private static function createInOrNotInArray(
+        string $operator,
+        Expression|string $argument1,
+        array $valueList
+    ): self {
+
+        foreach ($valueList as $item) {
+            if (!is_scalar($item)) {
+                throw new RuntimeException("Array items must be scalar.");
+            }
+        }
+
+        if (is_string($argument1)) {
+            $key = $argument1;
+
+            if ($key === '') {
+                throw new RuntimeException("Expression can't be empty.");
+            }
+
+            if (str_ends_with($key, ':')) {
+                throw new RuntimeException("Expression can't end with `:`.");
+            }
+        } else {
+            $key = $argument1->getValue();
+        }
+
+        $key .= $operator;
+
+        return new self($key, $valueList);
+    }
+
+    private static function createInOrNotInSubQuery(
+        string $operator,
+        Expression|string $argument1,
+        Select $query
+    ): self {
+
+        if (is_string($argument1)) {
+            $key = $argument1;
+
+            if ($key === '') {
+                throw new RuntimeException("Expression can't be empty.");
+            }
+
+            if (str_ends_with($key, ':')) {
+                throw new RuntimeException("Expression can't end with `:`.");
+            }
+        } else {
+            $key = $argument1->getValue();
+        }
+
+        $key .= $operator;
+
+        return new self($key, $query);
+    }
+}

application/Espo/ORM/Query/Part/Where/Exists.php

@@ -0,0 +1,61 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Query\Part\Where;
+
+use Espo\ORM\Query\Part\WhereItem;
+use Espo\ORM\Query\Select;
+
+/**
+ * An EXISTS-operator. Immutable.
+ */
+class Exists implements WhereItem
+{
+    private function __construct(private Select $rawValue) {}
+
+    public function getRaw(): array
+    {
+        return ['EXISTS' => $this->getRawValue()];
+    }
+
+    public function getRawKey(): string
+    {
+        return 'EXISTS';
+    }
+
+    public function getRawValue(): Select
+    {
+        return $this->rawValue;
+    }
+
+    public static function create(Select $subQuery): self
+    {
+        return new self($subQuery);
+    }
+}

application/Espo/ORM/Query/Part/Where/Not.php

@@ -0,0 +1,80 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Query\Part\Where;
+
+use Espo\ORM\Query\Part\WhereItem;
+
+/**
+ * A NOT-operator. Immutable.
+ */
+class Not implements WhereItem
+{
+    /** @var array<string|int, mixed> */
+    private $rawValue = [];
+
+    public function getRaw(): array
+    {
+        return ['NOT' => $this->getRawValue()];
+    }
+
+    public function getRawKey(): string
+    {
+        return 'NOT';
+    }
+
+    /**
+     * @return array<string|int, mixed>
+     */
+    public function getRawValue(): array
+    {
+        return $this->rawValue;
+    }
+
+    /**
+     * @param array<string|int, mixed> $whereClause
+     */
+    public static function fromRaw(array $whereClause): self
+    {
+        if (count($whereClause) === 1 && array_keys($whereClause)[0] === 0) {
+            $whereClause = $whereClause[0];
+        }
+
+        $obj = new self();
+
+        $obj->rawValue = $whereClause;
+
+        return $obj;
+    }
+
+    public static function create(WhereItem $item): self
+    {
+        return self::fromRaw($item->getRaw());
+    }
+}

application/Espo/ORM/Query/Part/Where/OrGroup.php

@@ -0,0 +1,100 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Query\Part\Where;
+
+use Espo\ORM\Query\Part\WhereItem;
+
+/**
+ * OR-group. Immutable.
+ */
+class OrGroup implements WhereItem
+{
+
+    /** @var array<string|int, mixed> */
+    private $rawValue = [];
+
+    public function __construct()
+    {
+    }
+
+    public function getRaw(): array
+    {
+        return ['OR' => $this->rawValue];
+    }
+
+    public function getRawKey(): string
+    {
+        return 'OR';
+    }
+
+    /**
+     * @return array<string|int, mixed>
+     */
+    public function getRawValue(): array
+    {
+        return $this->rawValue;
+    }
+
+    /**
+     * Get a number of items.
+     */
+    public function getItemCount(): int
+    {
+        return count($this->rawValue);
+    }
+
+    /**
+     * @param array<string|int, mixed> $whereClause
+     */
+    public static function fromRaw(array $whereClause): self
+    {
+        $obj = new self();
+
+        $obj->rawValue = $whereClause;
+
+        return $obj;
+    }
+
+    public static function create(WhereItem ...$itemList): self
+    {
+        $builder = self::createBuilder();
+
+        foreach ($itemList as $item) {
+            $builder->add($item);
+        }
+
+        return $builder->build();
+    }
+
+    public static function createBuilder(): OrGroupBuilder
+    {
+        return new OrGroupBuilder();
+    }
+}

application/Espo/ORM/Query/Part/Where/OrGroupBuilder.php

@@ -0,0 +1,95 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Query\Part\Where;
+
+use Espo\ORM\Query\Part\WhereItem;
+
+class OrGroupBuilder
+{
+    /** @var array<string|int, mixed> */
+    private array $raw = [];
+
+    public function build(): OrGroup
+    {
+        return OrGroup::fromRaw($this->raw);
+    }
+
+    public function add(WhereItem $item): self
+    {
+        $key = $item->getRawKey();
+        $value = $item->getRawValue();
+
+        if ($item instanceof AndGroup) {
+            $this->raw = self::normalizeRaw($this->raw);
+
+            $this->raw[] = $value;
+
+            return $this;
+        }
+
+        if (count($this->raw) === 0) {
+            $this->raw[$key] = $value;
+
+            return $this;
+        }
+
+        $this->raw = self::normalizeRaw($this->raw);
+
+        $this->raw[] = [$key => $value];
+
+        return $this;
+    }
+
+    /**
+     * Merge with another OrGroup.
+     */
+    public function merge(OrGroup $orGroup): self
+    {
+        $this->raw = array_merge(
+            self::normalizeRaw($this->raw),
+            self::normalizeRaw($orGroup->getRawValue())
+        );
+
+        return $this;
+    }
+
+    /**
+     * @param array<string|int, mixed> $raw
+     * @return array<string|int, mixed>
+     */
+    private static function normalizeRaw(array $raw): array
+    {
+        if (count($raw) === 1 && array_keys($raw)[0] !== 0) {
+            return [$raw];
+        }
+
+        return $raw;
+    }
+}