Test Failed
Pull Request — master (#97)
by Gildonei
03:38
created

PDOWrapper::inTransaction()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 2
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 2

Importance

Changes 0
Metric Value
eloc 1
c 0
b 0
f 0
dl 0
loc 2
ccs 0
cts 2
cp 0
rs 10
cc 1
nc 1
nop 0
crap 2
1
<?php
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namespace Ubiquity\db\providers\pdo;
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use Ubiquity\db\providers\AbstractDbWrapper;
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/**
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 * Ubiquity\db\providers$PDOWrapper
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 * This class is part of Ubiquity
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 *
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 * @author jcheron <[email protected]>
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 * @version 1.0.0
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 * @property \PDO $dbInstance
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 *
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 */
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class PDOWrapper extends AbstractDbWrapper {
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	protected static $savepointsDrivers = [ 'pgsql' => true,'mysql' => true,'sqlite' => true ];
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	private static $quotes = [ 'mysql' => '`','sqlite' => '"','pgsql' => '' ];
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	protected $transactionLevel = 0;
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	protected $dbType;
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	public function __construct($dbType = 'mysql') {
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		$this->quote = self::$quotes [$dbType] ?? '';
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		$this->dbType = $dbType;
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	}
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	public function fetchAllColumn($statement, array $values = null, string $column = null) {
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		$result = false;
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		if ($statement->execute ( $values )) {
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			$result = $statement->fetchAll ( \PDO::FETCH_COLUMN, $column );
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		}
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		$statement->closeCursor ();
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		return $result;
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	}
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	public function lastInsertId() {
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		return $this->dbInstance->lastInsertId ();
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	}
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	public function fetchAll($statement, array $values = null, $mode = null) {
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		$result = false;
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		if ($statement->execute ( $values )) {
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			$result = $statement->fetchAll ( $mode );
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		}
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		$statement->closeCursor ();
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		return $result;
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	}
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	public function fetchOne($statement, array $values = null, $mode = null) {
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		$result = false;
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		if ($statement->execute ( $values )) {
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			$result = $statement->fetch ( $mode );
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		}
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		$statement->closeCursor ();
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		return $result;
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	}
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	public static function getAvailableDrivers() {
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		return \PDO::getAvailableDrivers ();
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	}
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	public function prepareStatement(string $sql) {
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		return $this->dbInstance->prepare ( $sql );
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	}
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	public function fetchColumn($statement, array $values = null, int $columnNumber = null) {
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		if ($statement->execute ( $values )) {
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			return $statement->fetchColumn ( $columnNumber );
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		}
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		return false;
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	}
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	public function getStatement($sql) {
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		$st = $this->dbInstance->prepare ( $sql );
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		$st->setFetchMode ( \PDO::FETCH_ASSOC );
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		return $st;
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	}
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	public function execute($sql) {
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		return $this->dbInstance->exec ( $sql );
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	}
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	public function connect(string $dbType, $dbName, $serverName, string $port, string $user, string $password, array $options) {
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		$options [\PDO::ATTR_ERRMODE] = \PDO::ERRMODE_EXCEPTION;
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		$this->dbInstance = new \PDO ( $this->getDSN ( $serverName, $port, $dbName, $dbType ), $user, $password, $options );
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	}
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	public function getDSN(string $serverName, string $port, string $dbName, string $dbType = 'mysql') {
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		$charsetString = [ 'mysql' => 'charset=UTF8','pgsql' => 'options=\'--client_encoding=UTF8\'','sqlite' => '' ] [$dbType] ?? 'charset=UTF8';
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		if ($dbType === 'sqlite') {
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			return "sqlite:{$dbName}";
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		}
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		return $dbType . ":dbname={$dbName};host={$serverName};{$charsetString};port=" . $port;
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	}
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	public function bindValueFromStatement($statement, $parameter, $value) {
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		return $statement->bindValue ( ":" . $parameter, $value );
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	}
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	public function query(string $sql) {
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		return $this->dbInstance->query ( $sql );
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	}
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	public function queryAll(string $sql, int $fetchStyle = null) {
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		return $this->dbInstance->query ( $sql )->fetchAll ( $fetchStyle );
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	}
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	public function queryColumn(string $sql, int $columnNumber = null) {
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		return $this->dbInstance->query ( $sql )->fetchColumn ( $columnNumber );
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	}
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	public function executeStatement($statement, array $values = null) {
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		return $statement->execute ( $values );
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	}
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	public function getTablesName() {
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		$query = $this->dbInstance->query ( 'SHOW TABLES' );
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		return $query->fetchAll ( \PDO::FETCH_COLUMN );
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	}
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	public function statementRowCount($statement) {
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		return $statement->rowCount ();
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	}
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	public function inTransaction() {
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		return $this->dbInstance->inTransaction ();
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	}
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	public function commit() {
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		return $this->dbInstance->commit ();
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	}
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	public function rollBack() {
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		return $this->dbInstance->rollBack ();
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	}
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	public function beginTransaction() {
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		return $this->dbInstance->beginTransaction ();
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	}
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	public function savePoint($level) {
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		$this->dbInstance->exec ( 'SAVEPOINT LEVEL' . $level );
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	}
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	public function releasePoint($level) {
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		$this->dbInstance->exec ( 'RELEASE SAVEPOINT LEVEL' . $level );
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	}
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	public function rollbackPoint($level) {
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		$this->dbInstance->exec ( 'ROLLBACK TO SAVEPOINT LEVEL' . $level );
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	}
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	public function nestable() {
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		return isset ( self::$savepointsDrivers [$this->dbType] );
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	}
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	public function ping() {
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		return ($this->dbInstance != null) && (1 === \intval ( $this->queryColumn ( 'SELECT 1', 0 ) ));
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	}
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	public function getPrimaryKeys($tableName) {
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		$fieldkeys = array ();
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		$recordset = $this->dbInstance->query ( "SHOW KEYS FROM `{$tableName}` WHERE Key_name = 'PRIMARY'" );
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		$keys = $recordset->fetchAll ( \PDO::FETCH_ASSOC );
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		foreach ( $keys as $key ) {
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			$fieldkeys [] = $key ['Column_name'];
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		}
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		return $fieldkeys;
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	}
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	public function getForeignKeys($tableName, $pkName, $dbName = null) {
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		$recordset = $this->dbInstance->query ( "SELECT *
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												FROM
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												 information_schema.KEY_COLUMN_USAGE
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												WHERE
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												 REFERENCED_TABLE_NAME = '" . $tableName . "'
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												 AND REFERENCED_COLUMN_NAME = '" . $pkName . "'
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												 AND TABLE_SCHEMA = '" . $dbName . "';" );
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		return $recordset->fetchAll ( \PDO::FETCH_ASSOC );
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	}
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	public function getFieldsInfos($tableName) {
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		$fieldsInfos = array ();
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		$recordset = $this->dbInstance->query ( "SHOW COLUMNS FROM `{$tableName}`" );
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		$fields = $recordset->fetchAll ( \PDO::FETCH_ASSOC );
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		foreach ( $fields as $field ) {
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			$fieldsInfos [$field ['Field']] = [ "Type" => $field ['Type'],"Nullable" => $field ["Null"] ];
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		}
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		return $fieldsInfos;
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	}
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	public function _optPrepareAndExecute($sql, array $values = null) {
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		$statement = $this->_getStatement ( $sql );
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		$result = false;
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		if ($statement->execute ( $values )) {
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			$result = $statement->fetchAll ( \PDO::FETCH_ASSOC );
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		}
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		$statement->closeCursor ();
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		return $result;
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	}
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}
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