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marijnvanwezelmarijnvanwezel
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Merge branch 'main' into improve-name-escape
2 parents 12c52a4 + 90abe78 commit 04bb158

18 files changed

+489
-32
lines changed

‎.gitignore‎

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@@ -4,3 +4,4 @@ phpunit.xml
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vendor/
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*.idea
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.phpunit.result.cache
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.php-cs-fixer.cache

‎README.md‎

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@@ -27,30 +27,13 @@ composer require "wikibase-solutions/php-cypher-dsl"
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To construct a query to find all of Tom Hanks' co-actors, you can use the following code:
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```php
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$tom = Query::variable("tom");
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$tomNode = Query::node("Person")->withProperties([
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"name" => Query::literal("Tom Hanks")
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])->named($tom);
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$movie = Query::variable("m");
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$movieNode = Query::node()->named($movie);
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$coActors = Query::variable("coActors");
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$coActorsNode = Query::node()->named($coActors);
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$tom = Query::node("Person")->withProperties(["name" => Query::literal("Tom Hanks")]);
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$coActors = Query::node();
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$statement = Query::new()
42-
->match($tomNode->relationshipTo($movieNode)->withType("ACTED_IN")->relationshipFrom($coActorsNode)->withType("ACTED_IN"))
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->returning($coActors->property("name"))
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->build();
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->match($tom->relationshipTo(Query::node(), "ACTED_IN")->relationshipFrom($coActors, "ACTED_IN"))
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->returning($coActors->property("name"))
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->build();
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$this->assertSame("MATCH (tom:Person {name: 'Tom Hanks'})-[:`ACTED_IN`]->(m)<-[:`ACTED_IN`]-(coActors) RETURN coActors.name", $statement);
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$this->assertStringMatchesFormat("MATCH (:Person {name: 'Tom Hanks'})-[:`ACTED_IN`]->()<-[:`ACTED_IN`]-(%s) RETURN %s.name", $statement);
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```
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## Roadmap
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Below are some things that still need to be implemented.
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- Add missing clauses
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- Add missing function definitions
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- Add missing expressions
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- Improve documentation

‎src/Alias.php‎

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<?php
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/*
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* Cypher DSL
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* Copyright (C) 2021 Wikibase Solutions
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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namespace WikibaseSolutions\CypherDSL;
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use function sprintf;

‎src/IsNotNull.php‎

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<?php
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/*
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* Cypher DSL
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* Copyright (C) 2021 Wikibase Solutions
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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namespace WikibaseSolutions\CypherDSL;
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use function sprintf;
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use WikibaseSolutions\CypherDSL\Traits\BooleanTypeTrait;
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use WikibaseSolutions\CypherDSL\Types\AnyType;
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use WikibaseSolutions\CypherDSL\Types\PropertyTypes\BooleanType;
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/**
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* Represents the IS NOT NULL comparison operator.
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*
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* @see https://neo4j.com/docs/cypher-manual/current/syntax/operators/#query-operators-comparison
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*/
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class IsNotNull implements BooleanType
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{
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use BooleanTypeTrait;
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/**
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* @var AnyType The type to test against null
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*/
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private AnyType $expression;
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private bool $insertParentheses;
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/**
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* IS NOT NULL constructor.
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*
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* @param AnyType $expression The type to test against null.
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*/
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public function __construct(AnyType $expression, bool $insertParentheses = true)
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{
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$this->expression = $expression;
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$this->insertParentheses = $insertParentheses;
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}
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/**
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* Returns the expression to test against null.
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*
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* @return AnyType
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*/
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public function getExpression(): AnyType
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{
62+
return $this->expression;
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}
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/**
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* @inheritDoc
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*/
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public function toQuery(): string
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{
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return sprintf($this->insertParentheses ? "(%s IS NOT NULL)" : "%s IS NOT NULL", $this->expression->toQuery());
71+
}
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/**
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* Returns whether or not the operator inserts parenthesis.
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*
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* @return bool
77+
*/
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public function insertsParentheses(): bool
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{
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return $this->insertParentheses;
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}
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}

‎src/IsNull.php‎

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<?php
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/*
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* Cypher DSL
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* Copyright (C) 2021 Wikibase Solutions
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*
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* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
13+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15+
* GNU General Public License for more details.
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*
17+
* You should have received a copy of the GNU General Public License
18+
* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20+
*/
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namespace WikibaseSolutions\CypherDSL;
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use function sprintf;
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use WikibaseSolutions\CypherDSL\Traits\BooleanTypeTrait;
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use WikibaseSolutions\CypherDSL\Types\AnyType;
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use WikibaseSolutions\CypherDSL\Types\PropertyTypes\BooleanType;
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/**
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* Represents the IS NULL comparison operator.
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*
32+
* @see https://neo4j.com/docs/cypher-manual/current/syntax/operators/#query-operators-comparison
33+
*/
34+
class IsNull implements BooleanType
35+
{
36+
use BooleanTypeTrait;
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38+
/**
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* @var AnyType The type to test against null
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*/
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private AnyType $expression;
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private bool $insertParentheses;
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/**
45+
* IS NULL constructor.
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*
47+
* @param AnyType $expression The type to test against null.
48+
*/
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public function __construct(AnyType $expression, bool $insertParentheses = true)
50+
{
51+
$this->expression = $expression;
52+
$this->insertParentheses = $insertParentheses;
53+
}
54+
55+
/**
56+
* Returns the expression to test against null.
57+
*
58+
* @return AnyType
59+
*/
60+
public function getExpression(): AnyType
61+
{
62+
return $this->expression;
63+
}
64+
65+
/**
66+
* @inheritDoc
67+
*/
68+
public function toQuery(): string
69+
{
70+
return sprintf($this->insertParentheses ? "(%s IS NULL)" : "%s IS NULL", $this->expression->toQuery());
71+
}
72+
73+
/**
74+
* Returns whether or not the operator inserts parenthesis.
75+
*
76+
* @return bool
77+
*/
78+
public function insertsParentheses(): bool
79+
{
80+
return $this->insertParentheses;
81+
}
82+
}

‎src/Patterns/Path.php‎

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<?php
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/*
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* Cypher DSL
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* Copyright (C) 2021 Wikibase Solutions
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*
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* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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
15+
* GNU General Public License for more details.
16+
*
17+
* You should have received a copy of the GNU General Public License
18+
* along with this program; if not, write to the Free Software
19+
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20+
*/
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namespace WikibaseSolutions\CypherDSL\Patterns;
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use function array_key_exists;

‎src/Query.php‎

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@@ -313,7 +313,7 @@ public function create($patterns): self
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/**
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* Creates the DELETE clause.
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*
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* @param Variable|Variable[] $nodes The nodes to delete
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* @param Variable|Variable[] $variables The nodes to delete
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*
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* @return $this
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* @see https://neo4j.com/docs/cypher-manual/current/clauses/delete/
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608608
* @param string $subject The subject/body of the clause
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* @return Query
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*/
611-
public function raw(string $clause, string $subject)
611+
public function raw(string $clause, string $subject): self
612612
{
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$this->clauses[] = new RawClause($clause, $subject);
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‎src/Traits/AliasableTrait.php‎

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<?php
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/*
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* Cypher DSL
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* Copyright (C) 2021 Wikibase Solutions
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*
7+
* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* as published by the Free Software Foundation; either version 2
10+
* of the License, or (at your option) any later version.
11+
*
12+
* This program is distributed in the hope that it will be useful,
13+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15+
* GNU General Public License for more details.
16+
*
17+
* You should have received a copy of the GNU General Public License
18+
* along with this program; if not, write to the Free Software
19+
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20+
*/
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namespace WikibaseSolutions\CypherDSL\Traits;
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use function is_string;

‎src/Traits/HasNameTrait.php‎

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<?php
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/*
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* Cypher DSL
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* Copyright (C) 2021 Wikibase Solutions
6+
*
7+
* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* as published by the Free Software Foundation; either version 2
10+
* of the License, or (at your option) any later version.
11+
*
12+
* This program is distributed in the hope that it will be useful,
13+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15+
* GNU General Public License for more details.
16+
*
17+
* You should have received a copy of the GNU General Public License
18+
* along with this program; if not, write to the Free Software
19+
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20+
*/
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322
namespace WikibaseSolutions\CypherDSL\Traits;
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use function mt_rand;

‎src/Traits/HasPropertiesTrait.php‎

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<?php
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/*
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* Cypher DSL
5+
* Copyright (C) 2021 Wikibase Solutions
6+
*
7+
* This program is free software; you can redistribute it and/or
8+
* modify it under the terms of the GNU General Public License
9+
* as published by the Free Software Foundation; either version 2
10+
* of the License, or (at your option) any later version.
11+
*
12+
* This program is distributed in the hope that it will be useful,
13+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15+
* GNU General Public License for more details.
16+
*
17+
* You should have received a copy of the GNU General Public License
18+
* along with this program; if not, write to the Free Software
19+
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20+
*/
21+
322
namespace WikibaseSolutions\CypherDSL\Traits;
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524
use function is_array;
625
use WikibaseSolutions\CypherDSL\PropertyMap;
726
use WikibaseSolutions\CypherDSL\Types\AnyType;
8-
use WikibaseSolutions\CypherDSL\Types\StructuralTypes\HasPropertiesType;
927

1028
trait HasPropertiesTrait
1129
{
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1937
* @param string $key The name of the property
2038
* @param AnyType $value The value of the property
2139
*
22-
* @return HasPropertiesType
40+
* @return static
2341
*/
24-
public function withProperty(string $key, AnyType $value): HasPropertiesType
42+
public function withProperty(string $key, AnyType $value): self
2543
{
2644
$this->initialiseProperties();
2745

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3553
*
3654
* @param PropertyMap|array $properties
3755
*
38-
* @return HasPropertiesType
56+
* @return static
3957
*/
40-
public function withProperties($properties): HasPropertiesType
58+
public function withProperties($properties): self
4159
{
4260
self::assertClass('properties', [PropertyMap::class, 'array'], $properties);
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