CommandPDOSqlite::__construct() - Code Metrics - Inspection of "Step 2 - partial removing Command::getPdoStatement..." - yiisoft/db-sqlite - Measure and Improve Code Quality continuously with Scrutinizer

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Push — dev ( ea35c5...a37eef )

by Def

created 2022-02-28 15:48 UTC

CommandPDOSqlite::__construct() A

↳ Parent: CommandPDOSqlite

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	1
dl	0
loc	3
ccs	2
cts	2
cp	1
rs	10
c	1
b	0
f	0
cc	1
nc	1
nop	2
crap	1

<?php

declare(strict_types=1);

namespace Yiisoft\Db\Sqlite\PDO;

use PDOException;
use Throwable;
use Yiisoft\Db\Cache\QueryCache;
use Yiisoft\Db\Command\Command;
use Yiisoft\Db\Connection\ConnectionPDOInterface;
use Yiisoft\Db\Exception\ConvertException;
use Yiisoft\Db\Exception\Exception;
use Yiisoft\Db\Exception\InvalidArgumentException;
use Yiisoft\Db\Query\QueryBuilderInterface;
filter:
    dependency_paths: ["lib/*"]
use Yiisoft\Db\Sqlite\SqlToken;
use Yiisoft\Db\Sqlite\SqlTokenizer;
use Yiisoft\Strings\StringHelper;

use function array_pop;
use function count;
use function ltrim;
use function preg_match_all;
use function strpos;

final class CommandPDOSqlite extends Command
{
    public function __construct(private ConnectionPDOInterface $db, QueryCache $queryCache)
    {
        parent::__construct($queryCache);
    }

    /**
     * @inheritDoc
     */
    public function insertEx(string $table, array $columns): bool|array
    {
        $params = [];
        $sql = $this->db->getQueryBuilder()->insertEx($table, $columns, $params);
        $this->setSql($sql)->bindValues($params);

        if (!$this->execute()) {
            return false;
        }

        $tableSchema = $this->queryBuilder()->schema()->getTableSchema($table);
        $tablePrimaryKeys = $tableSchema?->getPrimaryKey() ?? [];

        $result = [];
        foreach ($tablePrimaryKeys as $name) {
            if ($tableSchema?->getColumn($name)?->isAutoIncrement()) {
                $result[$name] = $this->queryBuilder()->schema()->getLastInsertID((string) $tableSchema?->getSequenceName());
                continue;
            }

            /** @var mixed */
            $result[$name] = $columns[$name] ?? $tableSchema?->getColumn($name)?->getDefaultValue();
        }

        return $result;
    }

    public function queryBuilder(): QueryBuilderInterface
    {
        return $this->db->getQueryBuilder();
    }

    public function prepare(?bool $forRead = null): void
    {
        if (isset($this->pdoStatement)) {
            $this->bindPendingParams();

            return;
        }

        $sql = $this->getSql() ?? '';

        if ($this->db->getTransaction()) {
            /** master is in a transaction. use the same connection. */
            $forRead = false;
        }

        if ($forRead || ($forRead === null && $this->db->getSchema()->isReadQuery($sql))) {
            $pdo = $this->db->getSlavePdo();
        } else {
            $pdo = $this->db->getMasterPdo();
        }

        try {
            $this->pdoStatement = $pdo?->prepare($sql);
            $this->bindPendingParams();
        } catch (PDOException $e) {
            $message = $e->getMessage() . "\nFailed to prepare SQL: $sql";
            /** @var array|null */
            $errorInfo = $e->errorInfo ?? null;

            throw new Exception($message, $errorInfo, $e);
        }
    }

    /**
     * Executes the SQL statement.
     *
     * This method should only be used for executing non-query SQL statement, such as `INSERT`, `DELETE`, `UPDATE` SQLs.
     * No result set will be returned.
     *
     * @throws Exception|Throwable execution failed.
     *
     * @return int number of rows affected by the execution.
     */
    public function execute(): int
    {
        $sql = $this->getSql() ?? '';

        /** @var array<string, string> */
        $params = $this->params;

        $statements = $this->splitStatements($sql, $params);

        if ($statements === false) {

            return parent::execute();
        }

        $result = 0;

        /** @psalm-var array<array-key, array<array-key, string|array>> $statements */
        foreach ($statements as $statement) {
            [$statementSql, $statementParams] = $statement;
            $statementSql = is_string($statementSql) ? $statementSql : '';
            $statementParams = is_array($statementParams) ? $statementParams : [];
            $this->setSql($statementSql)->bindValues($statementParams);
            $result = parent::execute();
        }

        $this->setSql($sql)->bindValues($params);

        return $result;
    }

    protected function getCacheKey(string $method, ?int $fetchMode, string $rawSql): array
    {
        return [
            __CLASS__,
            $method,
            $fetchMode,
            $this->db->getDriver()->getDsn(),
            $this->db->getDriver()->getUsername(),
            $rawSql,
        ];
    }

    protected function internalExecute(?string $rawSql): void
    {
        $attempt = 0;

        while (true) {
            try {
                if (
                    ++$attempt === 1
                    && $this->isolationLevel !== null
                    && $this->db->getTransaction() === null
                ) {
                    $this->db->transaction(fn (?string $rawSql) => $this->internalExecute($rawSql), $this->isolationLevel);
                } else {
                    $this->pdoStatement?->execute();
                }
                break;
            } catch (PDOException $e) {
                $rawSql = $rawSql ?: $this->getRawSql();
                $e = (new ConvertException($e, $rawSql))->run();

                if ($this->retryHandler === null || !($this->retryHandler)($e, $attempt)) {
                    throw $e;
                }
            }
        }
    }

    /**
     * Performs the actual DB query of a SQL statement.
     *
     * @param string $method method of PDOStatement to be called
     * @param array|int|null $fetchMode the result fetch mode.
     * Please refer to [PHP manual](http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php) for valid fetch
     * modes. If this parameter is null, the value set in {@see fetchMode} will be used.
     *
     * @throws Exception|Throwable if the query causes any problem.
     *
     * @return mixed the method execution result.
     */
    protected function queryInternal(string $method, array|int $fetchMode = null): mixed
    {
        $sql = $this->getSql() ?? '';

        /** @var array<string, string> */
        $params = $this->params;

        $statements = $this->splitStatements($sql, $params);

        if ($statements === false || $statements === []) {

            return parent::queryInternal($method, $fetchMode);
        }

        [$lastStatementSql, $lastStatementParams] = array_pop($statements);

        /**
         * @psalm-var array<array-key, array> $statements
         */
        foreach ($statements as $statement) {
            /**
             * @var string $statementSql
             * @var array $statementParams
             */
            [$statementSql, $statementParams] = $statement;
            $this->setSql($statementSql)->bindValues($statementParams);
            parent::execute();
        }

        $this->setSql($lastStatementSql)->bindValues($lastStatementParams);

        /** @var string */
        $result = parent::queryInternal($method, $fetchMode);

        $this->setSql($sql)->bindValues($params);

        return $result;
    }

    /**
     * Splits the specified SQL codes into individual SQL statements and returns them or `false` if there's a single
     * statement.
     *
     * @param string $sql
     * @param array $params
     *
     * @throws InvalidArgumentException
     *
     * @return array|bool (array|string)[][]|bool
     *
     * @psalm-param array<string, string> $params
     * @psalm-return false|list<array{0: string, 1: array}>
     */
    private function splitStatements(string $sql, array $params): bool|array
    {
        $semicolonIndex = strpos($sql, ';');

        if ($semicolonIndex === false || $semicolonIndex === StringHelper::byteLength($sql) - 1) {
            return false;
        }

        $tokenizer = new SqlTokenizer($sql);

        $codeToken = $tokenizer->tokenize();

        if (count($codeToken->getChildren()) === 1) {
            return false;
        }

        $statements = [];

        foreach ($codeToken->getChildren() as $statement) {
            $statements[] = [$statement->getSql(), $this->extractUsedParams($statement, $params)];
        }

        return $statements;
    }

    /**
     * Returns named bindings used in the specified statement token.
     *
     * @param SqlToken $statement
     * @param array $params
     *
     * @return array
     *
     * @psalm-param array<string, string> $params
     */
    private function extractUsedParams(SqlToken $statement, array $params): array
    {
        preg_match_all('/(?P<placeholder>[:][a-zA-Z0-9_]+)/', $statement->getSql(), $matches, PREG_SET_ORDER);

        $result = [];

        foreach ($matches as $match) {
            $phName = ltrim($match['placeholder'], ':');
            if (isset($params[$phName])) {
                $result[$phName] = $params[$phName];
            } elseif (isset($params[':' . $phName])) {
                $result[':' . $phName] = $params[':' . $phName];
            }
        }

        return $result;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Db\Sqlite\PDO;
6
7		use PDOException;
8		use Throwable;
9		use Yiisoft\Db\Cache\QueryCache;
10		use Yiisoft\Db\Command\Command;
11		use Yiisoft\Db\Connection\ConnectionPDOInterface;
12		use Yiisoft\Db\Exception\ConvertException;
13		use Yiisoft\Db\Exception\Exception;
14		use Yiisoft\Db\Exception\InvalidArgumentException;
15		use Yiisoft\Db\Query\QueryBuilderInterface;
		0 ignored issues – show Bug introduced 2022-02-12 13:04 UTC by Report Bug Copy Issue Report The type `Yiisoft\Db\Query\QueryBuilderInterface` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
16		use Yiisoft\Db\Sqlite\SqlToken;
17		use Yiisoft\Db\Sqlite\SqlTokenizer;
18		use Yiisoft\Strings\StringHelper;
19
20		use function array_pop;
21		use function count;
22		use function ltrim;
23		use function preg_match_all;
24		use function strpos;
25
26		final class CommandPDOSqlite extends Command
27		{
28	324	public function __construct(private ConnectionPDOInterface $db, QueryCache $queryCache)
29		{
30	324	parent::__construct($queryCache);
31		}
32
33		/**
34		* @inheritDoc
35		*/
36	1	public function insertEx(string $table, array $columns): bool\|array
37		{
38	1	$params = [];
39	1	$sql = $this->db->getQueryBuilder()->insertEx($table, $columns, $params);
40	1	$this->setSql($sql)->bindValues($params);
41
42	1	if (!$this->execute()) {
43		return false;
44		}
45
46	1	$tableSchema = $this->queryBuilder()->schema()->getTableSchema($table);
47	1	$tablePrimaryKeys = $tableSchema?->getPrimaryKey() ?? [];
48
49	1	$result = [];
50	1	foreach ($tablePrimaryKeys as $name) {
51	1	if ($tableSchema?->getColumn($name)?->isAutoIncrement()) {
52	1	$result[$name] = $this->queryBuilder()->schema()->getLastInsertID((string) $tableSchema?->getSequenceName());
53	1	continue;
54		}
55
56		/** @var mixed */
57		$result[$name] = $columns[$name] ?? $tableSchema?->getColumn($name)?->getDefaultValue();
58		}
59
60	1	return $result;
61		}
62
63	173	public function queryBuilder(): QueryBuilderInterface
64		{
65	173	return $this->db->getQueryBuilder();
66		}
67
68	159	public function prepare(?bool $forRead = null): void
69		{
70	159	if (isset($this->pdoStatement)) {
71	4	$this->bindPendingParams();
72
73	4	return;
74		}
75
76	159	$sql = $this->getSql() ?? '';
77
78	159	if ($this->db->getTransaction()) {
79		/** master is in a transaction. use the same connection. */
80	5	$forRead = false;
81		}
82
83	159	if ($forRead \|\| ($forRead === null && $this->db->getSchema()->isReadQuery($sql))) {
84	154	$pdo = $this->db->getSlavePdo();
85		} else {
86	48	$pdo = $this->db->getMasterPdo();
87		}
88
89		try {
90	159	$this->pdoStatement = $pdo?->prepare($sql);
91	159	$this->bindPendingParams();
92	4	} catch (PDOException $e) {
93	4	$message = $e->getMessage() . "\nFailed to prepare SQL: $sql";
94		/** @var array\|null */
95	4	$errorInfo = $e->errorInfo ?? null;
96
97	4	throw new Exception($message, $errorInfo, $e);
98		}
99		}
100
101		/**
102		* Executes the SQL statement.
103		*
104		* This method should only be used for executing non-query SQL statement, such as `INSERT`, `DELETE`, `UPDATE` SQLs.
105		* No result set will be returned.
106		*
107		* @throws Exception\|Throwable execution failed.
108		*
109		* @return int number of rows affected by the execution.
110		*/
111	47	public function execute(): int
112		{
113	47	$sql = $this->getSql() ?? '';
114
115		/** @var array<string, string> */
116	47	$params = $this->params;
117
118	47	$statements = $this->splitStatements($sql, $params);
119
120	47	if ($statements === false) {
		0 ignored issues – show introduced 2022-02-12 13:04 UTC by Report Bug Copy Issue Report The condition `$statements === false` is always `true`. Loading history...
121	42	return parent::execute();
122		}
123
124	5	$result = 0;
125
126		/** @psalm-var array<array-key, array<array-key, string\|array>> $statements */
127	5	foreach ($statements as $statement) {
128	5	[$statementSql, $statementParams] = $statement;
129	5	$statementSql = is_string($statementSql) ? $statementSql : '';
130	5	$statementParams = is_array($statementParams) ? $statementParams : [];
131	5	$this->setSql($statementSql)->bindValues($statementParams);
132	5	$result = parent::execute();
133		}
134
135	5	$this->setSql($sql)->bindValues($params);
136
137	5	return $result;
138		}
139
140	2	protected function getCacheKey(string $method, ?int $fetchMode, string $rawSql): array
141		{
142		return [
143		__CLASS__,
144		$method,
145		$fetchMode,
146	2	$this->db->getDriver()->getDsn(),
147	2	$this->db->getDriver()->getUsername(),
148		$rawSql,
149		];
150		}
151
152	158	protected function internalExecute(?string $rawSql): void
153		{
154	158	$attempt = 0;
155
156	158	while (true) {
157		try {
158		if (
159	158	++$attempt === 1
160	158	&& $this->isolationLevel !== null
161	158	&& $this->db->getTransaction() === null
162		) {
163		$this->db->transaction(fn (?string $rawSql) => $this->internalExecute($rawSql), $this->isolationLevel);
164		} else {
165	158	$this->pdoStatement?->execute();
166		}
167	158	break;
168	2	} catch (PDOException $e) {
169	2	$rawSql = $rawSql ?: $this->getRawSql();
170	2	$e = (new ConvertException($e, $rawSql))->run();
171
172	2	if ($this->retryHandler === null \|\| !($this->retryHandler)($e, $attempt)) {
173	2	throw $e;
174		}
175		}
176		}
177		}
178
179		/**
180		* Performs the actual DB query of a SQL statement.
181		*
182		* @param string $method method of PDOStatement to be called
183		* @param array\|int\|null $fetchMode the result fetch mode.
184		* Please refer to [PHP manual](http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php) for valid fetch
185		* modes. If this parameter is null, the value set in {@see fetchMode} will be used.
186		*
187		* @throws Exception\|Throwable if the query causes any problem.
188		*
189		* @return mixed the method execution result.
190		*/
191	154	protected function queryInternal(string $method, array\|int $fetchMode = null): mixed
192		{
193	154	$sql = $this->getSql() ?? '';
194
195		/** @var array<string, string> */
196	154	$params = $this->params;
197
198	154	$statements = $this->splitStatements($sql, $params);
199
200	154	if ($statements === false \|\| $statements === []) {
		0 ignored issues – show introduced 2022-02-12 13:04 UTC by Report Bug Copy Issue Report The condition `$statements === false` is always `true`. Loading history...
201	154	return parent::queryInternal($method, $fetchMode);
202		}
203
204	1	[$lastStatementSql, $lastStatementParams] = array_pop($statements);
205
206		/**
207		* @psalm-var array<array-key, array> $statements
208		*/
209	1	foreach ($statements as $statement) {
210		/**
211		* @var string $statementSql
212		* @var array $statementParams
213		*/
214	1	[$statementSql, $statementParams] = $statement;
215	1	$this->setSql($statementSql)->bindValues($statementParams);
216	1	parent::execute();
217		}
218
219	1	$this->setSql($lastStatementSql)->bindValues($lastStatementParams);
220
221		/** @var string */
222	1	$result = parent::queryInternal($method, $fetchMode);
223
224	1	$this->setSql($sql)->bindValues($params);
225
226	1	return $result;
227		}
228
229		/**
230		* Splits the specified SQL codes into individual SQL statements and returns them or `false` if there's a single
231		* statement.
232		*
233		* @param string $sql
234		* @param array $params
235		*
236		* @throws InvalidArgumentException
237		*
238		* @return array\|bool (array\|string)[][]\|bool
239		*
240		* @psalm-param array<string, string> $params
241		* @psalm-return false\|list<array{0: string, 1: array}>
242		*/
243	158	private function splitStatements(string $sql, array $params): bool\|array
244		{
245	158	$semicolonIndex = strpos($sql, ';');
246
247	158	if ($semicolonIndex === false \|\| $semicolonIndex === StringHelper::byteLength($sql) - 1) {
248	158	return false;
249		}
250
251	5	$tokenizer = new SqlTokenizer($sql);
252
253	5	$codeToken = $tokenizer->tokenize();
254
255	5	if (count($codeToken->getChildren()) === 1) {
256		return false;
257		}
258
259	5	$statements = [];
260
261	5	foreach ($codeToken->getChildren() as $statement) {
262	5	$statements[] = [$statement->getSql(), $this->extractUsedParams($statement, $params)];
263		}
264
265	5	return $statements;
266		}
267
268		/**
269		* Returns named bindings used in the specified statement token.
270		*
271		* @param SqlToken $statement
272		* @param array $params
273		*
274		* @return array
275		*
276		* @psalm-param array<string, string> $params
277		*/
278	5	private function extractUsedParams(SqlToken $statement, array $params): array
279		{
280	5	preg_match_all('/(?P<placeholder>[:][a-zA-Z0-9_]+)/', $statement->getSql(), $matches, PREG_SET_ORDER);
281
282	5	$result = [];
283
284	5	foreach ($matches as $match) {
285	5	$phName = ltrim($match['placeholder'], ':');
286	5	if (isset($params[$phName])) {
287	1	$result[$phName] = $params[$phName];
288	4	} elseif (isset($params[':' . $phName])) {
289	4	$result[':' . $phName] = $params[':' . $phName];
290		}
291		}
292
293	5	return $result;
294		}
295		}
296

yiisoft / db-sqlite

Push — dev ( ea35c5...a37eef )

CommandPDOSqlite::__construct() A

Complexity

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Duplication

Code Coverage

Importance

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