CreateTable - Code Metrics - Inspection of ":octocat:" - chillerlan/php-database - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ec27e4...948d8b )

by smiley

created 2017-06-14 02:16 UTC

CreateTable A

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Complexity

Total Complexity

Size/Duplication

Total Lines	104
Duplicated Lines	5.77 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

Metric	Value
wmc	25
c	0
b	0
f	0
lcom	1
cbo	2
dl	6
loc	104
rs	10

2 Methods

Rating	Name	Duplication	Size	Complexity
C	sql()	0	37	8
D	fieldspec()	6	62	17

How to fix Duplicated Code

<?php
/**
 * Class CreateTable
 *
 * @filesource   CreateTable.php
 * @created      03.06.2017
 * @package      chillerlan\Database\Query\Dialects\Firebird
 * @author       Smiley <[email protected]>
 * @copyright    2017 Smiley
 * @license      MIT
 */

namespace chillerlan\Database\Query\Dialects\Firebird;

use chillerlan\Database\Query\CreateTableAbstract;
use chillerlan\Database\Query\QueryException;

/**
 * @link https://www.firebirdsql.org/file/documentation/reference_manuals/fblangref25-en/html/fblangref25-ddl-tbl.html#fblangref25-ddl-tbl-create
 */
class CreateTable extends CreateTableAbstract{

	public function sql():string{

		if(empty($this->name)){
			throw new QueryException('no name specified');
		}

		$sql = $this->ifNotExists ? 'RECREATE ' : 'CREATE '; // nasty
		$sql .= $this->temp ? 'GLOBAL TEMPORARY ' : '';
		$sql .= 'TABLE ';
		$sql .= strtoupper($this->name);

		$cols = [];

		if(!empty($this->cols)){

			foreach($this->cols as $name => $col){

				if(strtoupper($name) === strtoupper($this->primaryKey)){
					$x = explode(' NOT NULL', $col, 2);

					if(count($x) > 0){
						$col = $x[0].' NOT NULL PRIMARY KEY';
						$col .= $x[1] ?? '';
					}

				}

				$cols[] = $col;
			}

			$sql .= ' ('.PHP_EOL."\t".implode(','.PHP_EOL."\t", $cols).PHP_EOL.')';
		}

		$sql .= '';

		return $sql;
	}

	protected function fieldspec(
		string $name,
		string $type,
		$length = null,
		string $constraint = null,
		string $collation = null,
		bool $isNull = false,
		string $defaultType = null,
		$defaultValue = null,
		string $extra = null
	){
		$name = strtoupper(trim($name));
		$type = strtoupper(trim($type));

		$field = [$name];

		// @todo: whitelist types?
		$nolengthtypes = ['BLOB', 'SMALLINT', 'INTEGER', 'BIGINT', 'FLOAT',
		                  'DOUBLE PRECISION', 'DATE', 'TIME', 'TINYTEXT'];

		$field[] = (is_int($length) || is_string($length) && count(explode(',', $length)) === 2) && !in_array($type, $nolengthtypes)
			? $type.'('. $length . ')'
			: $type;


		if(!$isNull && !in_array($type, ['DATE', 'TIME', 'TIMESTAMP', 'CHAR', 'NCHAR', 'VARCHAR'])){
			$field[] = 'NOT NULL';
		}

		$defaultType = strtoupper($defaultType);

		if($defaultType === 'USER_DEFINED'){

			switch(true){
				case $type === 'TIMESTAMP' && intval($defaultValue) === 0:
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
					$field[] = 'DEFAULT 0';
					break;
				case strtoupper($defaultValue) === 'NULL' && $isNull:
switch ($expr) {
    case "A": { //wrong
        doSomething();
        break;
    }
    case "B"; //wrong
        doSomething();
        break;
    case "C": //right
        doSomething();
        break;
}
					$field[] = 'DEFAULT NULL';
					break;
				default:
					$field[] = 'DEFAULT \''.$defaultValue.'\'';
			}

		}
		else if($defaultType === 'CURRENT_TIMESTAMP'){

			$field[] = 'DEFAULT CURRENT_TIMESTAMP';
		}
		else if($defaultType === 'NULL' && $isNull){
			$field[] = 'DEFAULT NULL';
		}

		if($constraint){
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
			$field[] = strtoupper($constraint);
		}

		if($extra){
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
			$field[] = $extra;
		}

		return implode(' ', $field);
	}

}


1		<?php
2		/**
3		* Class CreateTable
4		*
5		* @filesource CreateTable.php
6		* @created 03.06.2017
7		* @package chillerlan\Database\Query\Dialects\Firebird
8		* @author Smiley <[email protected]>
9		* @copyright 2017 Smiley
10		* @license MIT
11		*/
12
13		namespace chillerlan\Database\Query\Dialects\Firebird;
14
15		use chillerlan\Database\Query\CreateTableAbstract;
16		use chillerlan\Database\Query\QueryException;
17
18		/**
19		* @link https://www.firebirdsql.org/file/documentation/reference_manuals/fblangref25-en/html/fblangref25-ddl-tbl.html#fblangref25-ddl-tbl-create
20		*/
21		class CreateTable extends CreateTableAbstract{
22
23		public function sql():string{
24
25		if(empty($this->name)){
26		throw new QueryException('no name specified');
27		}
28
29		$sql = $this->ifNotExists ? 'RECREATE ' : 'CREATE '; // nasty
30		$sql .= $this->temp ? 'GLOBAL TEMPORARY ' : '';
31		$sql .= 'TABLE ';
32		$sql .= strtoupper($this->name);
33
34		$cols = [];
35
36		if(!empty($this->cols)){
37
38		foreach($this->cols as $name => $col){
39
40		if(strtoupper($name) === strtoupper($this->primaryKey)){
41		$x = explode(' NOT NULL', $col, 2);
42
43		if(count($x) > 0){
44		$col = $x[0].' NOT NULL PRIMARY KEY';
45		$col .= $x[1] ?? '';
46		}
47
48		}
49
50		$cols[] = $col;
51		}
52
53		$sql .= ' ('.PHP_EOL."\t".implode(','.PHP_EOL."\t", $cols).PHP_EOL.')';
54		}
55
56		$sql .= '';
57
58		return $sql;
59		}
60
61		protected function fieldspec(
62		string $name,
63		string $type,
64		$length = null,
65		string $constraint = null,
66		string $collation = null,
67		bool $isNull = false,
68		string $defaultType = null,
69		$defaultValue = null,
70		string $extra = null
71		){
72		$name = strtoupper(trim($name));
73		$type = strtoupper(trim($type));
74
75		$field = [$name];
76
77		// @todo: whitelist types?
78		$nolengthtypes = ['BLOB', 'SMALLINT', 'INTEGER', 'BIGINT', 'FLOAT',
79		'DOUBLE PRECISION', 'DATE', 'TIME', 'TINYTEXT'];
80
81		$field[] = (is_int($length) \|\| is_string($length) && count(explode(',', $length)) === 2) && !in_array($type, $nolengthtypes)
82		? $type.'('. $length . ')'
83		: $type;
84
85
86		if(!$isNull && !in_array($type, ['DATE', 'TIME', 'TIMESTAMP', 'CHAR', 'NCHAR', 'VARCHAR'])){
87		$field[] = 'NOT NULL';
88		}
89
90		$defaultType = strtoupper($defaultType);
91
92		if($defaultType === 'USER_DEFINED'){
93
94		switch(true){
95		case $type === 'TIMESTAMP' && intval($defaultValue) === 0:
		0 ignored issues – show Coding Style introduced 2017-06-14 02:30 UTC by Report Bug Copy Issue Report `case` statements should be defined using a colon. As per the PSR-2 coding standard, case statements should not be wrapped in curly braces. There is no need for braces, since each case is terminated by the next `break`. There is also the option to use a semicolon instead of a colon, this is discouraged because many programmers do not even know it works and the colon is universal between programming languages. switch ($expr) { case "A": { //wrong doSomething(); break; } case "B"; //wrong doSomething(); break; case "C": //right doSomething(); break; } To learn more about the PSR-2 coding standard, please refer to the PHP-Fig. Loading history...
96		$field[] = 'DEFAULT 0';
97		break;
98		case strtoupper($defaultValue) === 'NULL' && $isNull:
		0 ignored issues – show Coding Style introduced 2017-06-14 02:30 UTC by Report Bug Copy Issue Report `case` statements should be defined using a colon. As per the PSR-2 coding standard, case statements should not be wrapped in curly braces. There is no need for braces, since each case is terminated by the next `break`. There is also the option to use a semicolon instead of a colon, this is discouraged because many programmers do not even know it works and the colon is universal between programming languages. switch ($expr) { case "A": { //wrong doSomething(); break; } case "B"; //wrong doSomething(); break; case "C": //right doSomething(); break; } To learn more about the PSR-2 coding standard, please refer to the PHP-Fig. Loading history...
99		$field[] = 'DEFAULT NULL';
100		break;
101		default:
102		$field[] = 'DEFAULT \''.$defaultValue.'\'';
103		}
104
105		}
106	View Code Duplication	else if($defaultType === 'CURRENT_TIMESTAMP'){
		0 ignored issues – show Duplication introduced 2017-06-14 02:30 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
107		$field[] = 'DEFAULT CURRENT_TIMESTAMP';
108		}
109		else if($defaultType === 'NULL' && $isNull){
110		$field[] = 'DEFAULT NULL';
111		}
112
113		if($constraint){
		0 ignored issues – show Bug Best Practice introduced 2017-06-14 02:30 UTC by Report Bug Copy Issue Report The expression `$constraint` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
114		$field[] = strtoupper($constraint);
115		}
116
117		if($extra){
		0 ignored issues – show Bug Best Practice introduced 2017-06-14 02:30 UTC by Report Bug Copy Issue Report The expression `$extra` of type `null\|string` is loosely compared to `true`; this is ambiguous if the string can be empty. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
118		$field[] = $extra;
119		}
120
121		return implode(' ', $field);
122		}
123
124		}
125

chillerlan / php-database

Push — master ( ec27e4...948d8b )

CreateTable A

Complexity

Size/Duplication

Coupling/Cohesion

Importance

2 Methods

How to fix Duplicated Code

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