QueryAccess::__construct() - Code Metrics - Inspection of "调整：查询语句控制" - dxkite/suda - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( cfb65e...9c8e10 )

by 世昌

created 2019-05-13 07:42 UTC

QueryAccess::__construct() A

↳ Parent: QueryAccess

Complexity

Conditions	2
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	2
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	2
nc	1
nop	2

<?php
namespace suda\orm\statement;

use PDO;
use PDOStatement;
use suda\orm\Binder;
use function microtime;
use ReflectionException;
use suda\orm\DataSource;
use function preg_replace;
use suda\orm\connection\Connection;
use suda\orm\middleware\Middleware;
use suda\orm\exception\SQLException;
use suda\orm\middleware\NullMiddleware;

class QueryAccess
{
    /**
     * 数据源
     *
     * @var DataSource
     */
    protected $source;

    /**
     * 中间件
     *
     * @var Middleware
     */
    protected $middleware;

    /**
     * 创建运行器
     *
     * @param DataSource $source
     * @param Middleware $middleware
     */
    public function __construct(DataSource $source, Middleware $middleware = null)
    {
        $this->source = $source;
        $this->middleware = $middleware ?: new NullMiddleware;
    }


    /**
     * 获取最后一次插入的主键ID（用于自增值
     *
     * @param string $name
     * @return string 则获取失败，整数则获取成功
     */
    public function lastInsertId(string $name = null):string
    {
        return $this->source->write()->lastInsertId($name);
    }

    /**
     * 事务系列，开启事务
     *
     * @return void
     */
    public function beginTransaction()
    {
        $this->source->write()->beginTransaction();
    }

    /**
     * 事务系列，提交事务
     *
     * @return void
     */
    public function commit()
    {
        $this->source->write()->commit();
    }

    /**
     * 事务系列，撤销事务
     *
     * @return void
     */
    public function rollBack()
    {
        $this->source->write()->rollBack();
    }

    /**
     * 运行SQL语句
     *
     * @param Statement $statement
     * @return mixed
     * @throws ReflectionException
     * @throws SQLException
     */
    public function run(Statement $statement)
    {
        $connection = $statement->isRead() ? $this->source->read() : $this->source->write();
        $this->runStatement($connection, $statement);
        return $this->createResult($connection, $statement);
    }


    /**
     * 获取运行结果
     *
     * @param $connection
     * @param Statement $statement
     * @return mixed
     * @throws ReflectionException
     * @throws SQLException
     */
    protected function createResult(Connection $connection, Statement $statement)
    {
        return (new QueryResult($connection, $this->middleware))->createResult($statement);
    }

    /**
     * 设置中间件
     *
     * @param Middleware $middleware
     * @return $this
     */
    public function setMiddleware(Middleware $middleware)
    {
        $this->middleware = $middleware;
        return $this;
    }

    /**
     * 创建SQL语句
     *
     * @param Connection $connection
     * @param Statement $statement
     * @return PDOStatement
     * @throws SQLException
     */
    protected function createPDOStatement(Connection $connection, Statement $statement): PDOStatement
    {
        $statement->prepare();
        $queryObj = $statement->getQuery();
        $query = $connection->prefix($queryObj->getQuery());
        if ($statement->isScroll()) {
            $stmt = $connection->getPdo()->prepare($query, [PDO::ATTR_CURSOR => PDO::CURSOR_SCROLL]);
        } else {
            $stmt = $connection->getPdo()->prepare($query);
        }
        if ($stmt instanceof PDOStatement) {
            return $stmt;
        }
        throw new SQLException(sprintf('error prepare %s', $statement->getString()), SQLException::ERR_PREPARE);
    }

    /**
     * 绑定值
     *
     * @param PDOStatement $stmt
     * @param Statement $statement
     * @return void
     */
    protected function bindPDOStatementValues(PDOStatement $stmt, Statement $statement)
    {
        foreach ($statement->getQuery()->getBinder() as $binder) {
            if ($binder->getKey() !== null) {
                $value = $this->middleware->input($binder->getKey(), $binder->getValue());
                $stmt->bindValue($binder->getName(), $value, Binder::typeOf($value));
            } else {
                $stmt->bindValue($binder->getName(), $binder->getValue(), Binder::typeOf($binder->getValue()));
            }
        }
    }

    /**
     * 运行语句
     *
     * @param Connection $connection
     * @param Statement $statement
     * @return void
     * @throws SQLException
     */
    protected function runStatement(Connection $connection, Statement $statement)
    {
        if ($statement->isScroll() && $statement->getStatement() !== null) {
            // noop
        } else {
            $stmt = $this->createPDOStatement($connection, $statement);
            $this->bindPDOStatementValues($stmt, $statement);
            $statement->setStatement($stmt);
            $start = microtime(true);
            $status = $stmt->execute();
            $connection->getObserver()->observe($this, $connection, $statement, microtime(true) - $start, $status);
            if ($status === false) {
                throw new SQLException(implode(':', $stmt->errorInfo()), intval($stmt->errorCode()));
            }
        }
    }

    /**
     * Get 中间件
     *
     * @return  Middleware
     */
    public function getMiddleware():Middleware
    {
        return $this->middleware;
    }
}


1			<?php
2			namespace suda\orm\statement;
3
4			use PDO;
5			use PDOStatement;
6			use suda\orm\Binder;
7			use function microtime;
8			use ReflectionException;
9			use suda\orm\DataSource;
10			use function preg_replace;
11			use suda\orm\connection\Connection;
12			use suda\orm\middleware\Middleware;
13			use suda\orm\exception\SQLException;
14			use suda\orm\middleware\NullMiddleware;
15
16			class QueryAccess
17			{
18			/**
19			* 数据源
20			*
21			* @var DataSource
22			*/
23			protected $source;
24
25			/**
26			* 中间件
27			*
28			* @var Middleware
29			*/
30			protected $middleware;
31
32			/**
33			* 创建运行器
34			*
35			* @param DataSource $source
36			* @param Middleware $middleware
37			*/
38			public function __construct(DataSource $source, Middleware $middleware = null)
39			{
40			$this->source = $source;
41			$this->middleware = $middleware ?: new NullMiddleware;
42			}
43
44
45			/**
46			* 获取最后一次插入的主键ID（用于自增值
47			*
48			* @param string $name
49			* @return string 则获取失败，整数则获取成功
50			*/
51			public function lastInsertId(string $name = null):string
52			{
53			return $this->source->write()->lastInsertId($name);
54			}
55
56			/**
57			* 事务系列，开启事务
58			*
59			* @return void
60			*/
61			public function beginTransaction()
62			{
63			$this->source->write()->beginTransaction();
64			}
65
66			/**
67			* 事务系列，提交事务
68			*
69			* @return void
70			*/
71			public function commit()
72			{
73			$this->source->write()->commit();
74			}
75
76			/**
77			* 事务系列，撤销事务
78			*
79			* @return void
80			*/
81			public function rollBack()
82			{
83			$this->source->write()->rollBack();
84			}
85
86			/**
87			* 运行SQL语句
88			*
89			* @param Statement $statement
90			* @return mixed
91			* @throws ReflectionException
92			* @throws SQLException
93			*/
94			public function run(Statement $statement)
95			{
96			$connection = $statement->isRead() ? $this->source->read() : $this->source->write();
97			$this->runStatement($connection, $statement);
98			return $this->createResult($connection, $statement);
99			}
100
101
102			/**
103			* 获取运行结果
104			*
105			* @param $connection
106			* @param Statement $statement
107			* @return mixed
108			* @throws ReflectionException
109			* @throws SQLException
110			*/
111			protected function createResult(Connection $connection, Statement $statement)
112			{
113			return (new QueryResult($connection, $this->middleware))->createResult($statement);
114			}
115
116			/**
117			* 设置中间件
118			*
119			* @param Middleware $middleware
120			* @return $this
121			*/
122			public function setMiddleware(Middleware $middleware)
123			{
124			$this->middleware = $middleware;
125			return $this;
126			}
127
128			/**
129			* 创建SQL语句
130			*
131			* @param Connection $connection
132			* @param Statement $statement
133			* @return PDOStatement
134			* @throws SQLException
135			*/
136			protected function createPDOStatement(Connection $connection, Statement $statement): PDOStatement
137			{
138			$statement->prepare();
139			$queryObj = $statement->getQuery();
140			$query = $connection->prefix($queryObj->getQuery());
141			if ($statement->isScroll()) {
142			$stmt = $connection->getPdo()->prepare($query, [PDO::ATTR_CURSOR => PDO::CURSOR_SCROLL]);
143			} else {
144			$stmt = $connection->getPdo()->prepare($query);
145			}
146			if ($stmt instanceof PDOStatement) {
147			return $stmt;
148			}
149			throw new SQLException(sprintf('error prepare %s', $statement->getString()), SQLException::ERR_PREPARE);
150			}
151
152			/**
153			* 绑定值
154			*
155			* @param PDOStatement $stmt
156			* @param Statement $statement
157			* @return void
158			*/
159			protected function bindPDOStatementValues(PDOStatement $stmt, Statement $statement)
160			{
161			foreach ($statement->getQuery()->getBinder() as $binder) {
162			if ($binder->getKey() !== null) {
163			$value = $this->middleware->input($binder->getKey(), $binder->getValue());
164			$stmt->bindValue($binder->getName(), $value, Binder::typeOf($value));
165			} else {
166			$stmt->bindValue($binder->getName(), $binder->getValue(), Binder::typeOf($binder->getValue()));
167			}
168			}
169			}
170
171			/**
172			* 运行语句
173			*
174			* @param Connection $connection
175			* @param Statement $statement
176			* @return void
177			* @throws SQLException
178			*/
179			protected function runStatement(Connection $connection, Statement $statement)
180			{
181			if ($statement->isScroll() && $statement->getStatement() !== null) {
182			// noop
183			} else {
184			$stmt = $this->createPDOStatement($connection, $statement);
185			$this->bindPDOStatementValues($stmt, $statement);
186			$statement->setStatement($stmt);
187			$start = microtime(true);
188			$status = $stmt->execute();
189			$connection->getObserver()->observe($this, $connection, $statement, microtime(true) - $start, $status);
190			if ($status === false) {
191			throw new SQLException(implode(':', $stmt->errorInfo()), intval($stmt->errorCode()));
192			}
193			}
194			}
195
196			/**
197			* Get 中间件
198			*
199			* @return Middleware
200			*/
201			public function getMiddleware():Middleware
202			{
203			return $this->middleware;
204			}
205			}
206

dxkite / suda

Push — master ( cfb65e...9c8e10 )

QueryAccess::__construct() A

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