IndexDefinition::parseReferenceOption() - Code Metrics - Inspection of "Merge pull request #35 from graze/code-coverage-in..." - graze/morphism - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 192451...617de4 )

by Burhan

created 2017-08-31 15:03 UTC

IndexDefinition::parseReferenceOption() A

↳ Parent: Project

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	11
ccs	8
cts	8
cp	1
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	7
nc	3
nop	2
crap	3

<?php
namespace Graze\Morphism\Parse;

use LogicException;
use RuntimeException;

/**
 * Represents the definition of an index.
 */
class IndexDefinition
{
    /** @var string|null */
    public $constraint = null;

    /** @var string */
    public $type = '';

    /** @var string|null */
    public $name = null;

    /**
     * @var array[] the columns which are indexed.
     *
     * Each entry is an array of the form:
     *
     * 'name'   => string
     * 'length' => int|null
     * 'sort'   => 'ASC'|'DESC'
     */
    public $columns = [];

    /** @var mixed[] Associative array of index options
     *
     * 'USING'          => string 'BTREE' | 'HASH'
     * 'KEY_BLOCK_SIZE' => integer
     * 'WITH PARSER'    => string;
     * 'COMMENT'        => string
     */
    public $options = [];

    /**
     * @var string[] Only present for FOREIGN KEYS
     *
     * 'table'     => string name of foreign table
     * 'columns'   => array('name' => string, 'length' => int|null)[] columns referenced in foreign table
     * 'ON DELETE' => string 'RESTRICT' | 'CASCADE' | 'SET NULL' | 'NO ACTION'
     * 'ON UPDATE' => string 'RESTRICT' | 'CASCADE' | 'SET NULL' | 'NO ACTION'
     */
    public $reference = [];

    /**
     * Parses an index definition from $stream
     *
     * The type of key (PRIMARY KEY, UNIQUE KEY, etc) should already have
     * been parsed from the stream. If the optional preceding CONSTRAINT clause
     * was parsed, you should supply its optional name in $constraint.
     *
     * @param TokenStream $stream
     * @param string $type 'PRIMARY KEY' | 'UNIQUE KEY' | 'KEY' | 'FULLTEXT KEY' | 'FOREIGN KEY'
     * @param string|null $constraint name supplied in optional CONSTRAINT clause
     */
    public function parse(TokenStream $stream, $type, $constraint = null)
    {
        $this->type = $type;

        switch ($type) {
            case 'PRIMARY KEY':
                $this->parseOptionalIndexType($stream);
                $this->parseIndexColumns($stream);
                $this->parseIndexOptions($stream);
                break;

            case 'UNIQUE KEY':
            case 'KEY':
            case 'FULLTEXT KEY':
                $this->parseOptionalIndexType($stream);
                if (!isset($this->options['USING'])) {
                    $this->parseOptionalIndexName($stream);
                    $this->parseOptionalIndexType($stream);
                }
                if (!is_null($constraint)) {
                    $this->name = $constraint;
                }
                $this->parseIndexColumns($stream);
                $this->parseIndexOptions($stream);
                break;

            case 'FOREIGN KEY':
                $this->constraint = $constraint;
                $this->parseOptionalIndexName($stream);
                $this->parseIndexColumns($stream);
                $this->parseReferenceDefinition($stream);
                break;

            default:
                throw new LogicException("Internal error - unknown index type '$type'");
        }
    }

    /**
     * @param TokenStream $stream
     */
    private function parseOptionalIndexName(TokenStream $stream)
    {
        $mark = $stream->getMark();
        $token = $stream->nextToken();
        if ($token->type === 'identifier') {
            $this->name = $token->text;
        } else {
            $stream->rewind($mark);
        }
    }

    /**
     * @param TokenStream $stream
     */
    private function parseOptionalIndexType(TokenStream $stream)
    {
        if ($stream->consume('USING')) {
            $this->parseIndexType($stream);
        }
    }

    /**
     * @param TokenStream $stream
     */
    private function parseIndexType(TokenStream $stream)
    {
        if ($stream->consume('BTREE')) {
            $using = 'BTREE';
        } elseif ($stream->consume('HASH')) {
            $using = 'HASH';
        } else {
            throw new RuntimeException("Expected BTREE or HASH");
        }
        $this->options['USING'] = $using;
    }

    /**
     * @param TokenStream $stream
     */
    private function parseIndexColumns(TokenStream $stream)
    {
        $this->columns = $this->expectIndexColumns($stream);
    }

    /**
     * @param TokenStream $stream
     * @return array
     */
    private function expectIndexColumns(TokenStream $stream)
    {
        $columns = [];
        $stream->expect('symbol', '(');
        while (true) {
            $column = [
                'name'   => $stream->expectName(),
                'length' => null,
                'sort'   => 'ASC',
            ];
            if ($stream->consume([['symbol', '(']])) {
                $column['length'] = $stream->expectNumber();
                $stream->expect('symbol', ')');
            }
            if ($stream->consume('ASC')) {
                $column['sort'] = 'ASC';
            } elseif ($stream->consume('DESC')) {
                $column['sort'] = 'DESC';
            }
            $columns[] = $column;
            if (!$stream->consume([['symbol', ',']])) {
                break;
            }
        }

        $stream->expect('symbol', ')');

        return $columns;
    }

    /**
     * @param TokenStream $stream
     */
    private function parseIndexOptions(TokenStream $stream)
    {
        while (true) {
            if ($stream->consume('KEY_BLOCK_SIZE')) {
                $stream->consume([['symbol', '=']]);
                $this->options['KEY_BLOCK_SIZE'] = $stream->expectNumber();
            } elseif ($stream->consume('WITH PARSER')) {
                $this->options['WITH PARSER'] = $stream->expectName();
            } elseif ($stream->consume('COMMENT')) {
                $this->options['COMMENT'] = $stream->expectString();
            } elseif ($stream->consume('USING')) {
                $this->parseIndexType($stream);
            } else {
                break;
            }
        }
    }

    /**
     * @param TokenStream $stream
     */
    private function parseReferenceDefinition(TokenStream $stream)
    {
        $stream->expect('identifier', 'REFERENCES');

        $tableOrSchema = $stream->expectName();
        if ($stream->consume([['symbol', '.']])) {
            $schema = $tableOrSchema;
            $table = $stream->expectName();
        } else {
            $schema = null;
            $table = $tableOrSchema;
        }

        $this->reference['schema'] = $schema;
        $this->reference['table'] = $table;
        $this->reference['columns'] = $this->expectIndexColumns($stream);
        $this->reference['ON DELETE'] = 'RESTRICT';
        $this->reference['ON UPDATE'] = 'RESTRICT';

        while (true) {
            if ($stream->consume('MATCH')) {
                throw new RuntimeException("MATCH clause is not supported in this tool, or in MySQL itself!");
            } elseif ($stream->consume('ON DELETE')) {
                $this->parseReferenceOption($stream, 'ON DELETE');
            } elseif ($stream->consume('ON UPDATE')) {
                $this->parseReferenceOption($stream, 'ON UPDATE');
            } else {
                break;
            }
        }
    }

    /**
     * @param TokenStream $stream
     * @param string $clause
     */
    private function parseReferenceOption(TokenStream $stream, $clause)
    {
        $availableOptions = ['RESTRICT', 'CASCADE', 'SET NULL', 'NO ACTION'];
        foreach ($availableOptions as $option) {
            if ($stream->consume($option)) {
                $this->reference[$clause] = $option;
                return;
            }
        }
        throw new RuntimeException("Expected one of: " . implode(", ", $availableOptions));
    }

    /**
     * Returns an array of all sequences of columns covered by this index. Includes optional lengths.
     *
     * E.g. the index ```KEY idx (x,y(12),z)``` will give ```[['x', 'y(12)', 'z'], ['x', 'y(12)'], ['x']]```.
     *
     * @return string[][]
     */
    public function getCovers()
    {
        // TODO - we should really have separate IndexPart objects so we can

        // correctly cope with pathological cases like:
        //
        //      CREATE TABLE evil (
        //          `bad(16)` varchar(32) not null,

        //          KEY (`bad(16)`(8))

        //      )
        //
        $covers = [];
        $cover = [];
        foreach ($this->columns as $column) {

            $name = $column['name'];
            if ($column['length']) {
                $name .= '(' . $column['length'] . ')';
            }
            $cover[] = $name;
            $covers[] = $cover;
        }
        return $covers;
    }

    /**
     * Returns the sequence of indexed columns, including optional lengths.
     *
     * E.g. the index ```KEY idx (x, y(12))``` will give ```['x', 'y(12)']```
     *
     * @return string[]
     */
    public function getColumns()
    {
        $columns = [];
        foreach ($this->columns as $column) {

            $name = $column['name'];
            if ($column['length']) {
                $name .= '(' . $column['length'] . ')';
            }
            $columns[] = $name;
        }
        return $columns;
    }

    /**
     * Returns an SQL fragment for declaring this index as part of a table definition.
     *
     * @return string
     */
    public function toString()
    {
        $line = '';
        if ($this->type === 'FOREIGN KEY') {
            $line = "CONSTRAINT " . Token::escapeIdentifier($this->constraint) . " ";
        }
        $line .= $this->type;
        if (!in_array($this->type, ['PRIMARY KEY', 'FOREIGN KEY'])) {
            $line .= " " . Token::escapeIdentifier($this->name);
        }
        $cols = [];
        foreach ($this->columns as $column) {

            $col = Token::escapeIdentifier($column['name']);
            if (!is_null($column['length'])) {
                $col .= "(" . $column['length'] . ")";
            }
            $cols[] = $col;
        }
        $line .= " (" . implode(',', $cols) . ")";

        if (isset($this->options['USING'])) {
            $line .= " USING " . $this->options['USING'];
        }
        if (isset($this->options['KEY_BLOCK_SIZE']) && $this->options['KEY_BLOCK_SIZE'] !== 0) {
            $line .= " KEY_BLOCK_SIZE=" . $this->options['KEY_BLOCK_SIZE'];
        }
        if (isset($this->options['COMMENT']) && $this->options['COMMENT'] !== '') {
            $line .= " COMMENT " . Token::escapeString($this->options['COMMENT']);
        }
        if (isset($this->options['WITH PARSER'])) {
            $line .= " WITH PARSER " . $this->options['WITH PARSER'];
        }

        if ($this->type === 'FOREIGN KEY') {
            $reference = Token::escapeIdentifier($this->reference['table']);
            if (!is_null($this->reference['schema'])) {
                $reference = Token::escapeIdentifier($this->reference['schema']) . '.' . $reference;
            }
            $line .= " REFERENCES $reference";
            $cols = [];
            foreach ($this->reference['columns'] as $column) {

                $col = Token::escapeIdentifier($column['name']);
                if (!is_null($column['length'])) {
                    $col .= "(" . $column['length'] . ")";
                }
                $cols[] = $col;
            }
            $line .= " (" . implode(',', $cols) . ")";
            foreach (['ON DELETE', 'ON UPDATE'] as $clause) {
                $action = $this->reference[$clause];
                if ($action !== 'RESTRICT') {
                    $line .= " $clause $action";
                }
            }
        }
        return $line;
    }
}


1			<?php
2			namespace Graze\Morphism\Parse;
3
4			use LogicException;
5			use RuntimeException;
6
7			/**
8			* Represents the definition of an index.
9			*/
10			class IndexDefinition
11			{
12			/** @var string\|null */
13			public $constraint = null;
14
15			/** @var string */
16			public $type = '';
17
18			/** @var string\|null */
19			public $name = null;
20
21			/**
22			* @var array[] the columns which are indexed.
23			*
24			* Each entry is an array of the form:
25			*
26			* 'name' => string
27			* 'length' => int\|null
28			* 'sort' => 'ASC'\|'DESC'
29			*/
30			public $columns = [];
31
32			/** @var mixed[] Associative array of index options
33			*
34			* 'USING' => string 'BTREE' \| 'HASH'
35			* 'KEY_BLOCK_SIZE' => integer
36			* 'WITH PARSER' => string;
37			* 'COMMENT' => string
38			*/
39			public $options = [];
40
41			/**
42			* @var string[] Only present for FOREIGN KEYS
43			*
44			* 'table' => string name of foreign table
45			* 'columns' => array('name' => string, 'length' => int\|null)[] columns referenced in foreign table
46			* 'ON DELETE' => string 'RESTRICT' \| 'CASCADE' \| 'SET NULL' \| 'NO ACTION'
47			* 'ON UPDATE' => string 'RESTRICT' \| 'CASCADE' \| 'SET NULL' \| 'NO ACTION'
48			*/
49			public $reference = [];
50
51			/**
52			* Parses an index definition from $stream
53			*
54			* The type of key (PRIMARY KEY, UNIQUE KEY, etc) should already have
55			* been parsed from the stream. If the optional preceding CONSTRAINT clause
56			* was parsed, you should supply its optional name in $constraint.
57			*
58			* @param TokenStream $stream
59			* @param string $type 'PRIMARY KEY' \| 'UNIQUE KEY' \| 'KEY' \| 'FULLTEXT KEY' \| 'FOREIGN KEY'
60			* @param string\|null $constraint name supplied in optional CONSTRAINT clause
61			*/
62	82		public function parse(TokenStream $stream, $type, $constraint = null)
63			{
64	82		$this->type = $type;
65
66			switch ($type) {
67	82		case 'PRIMARY KEY':
68	12		$this->parseOptionalIndexType($stream);
69	12		$this->parseIndexColumns($stream);
70	12		$this->parseIndexOptions($stream);
71	12		break;
72
73	71		case 'UNIQUE KEY':
74	71		case 'KEY':
75	71		case 'FULLTEXT KEY':
76	53		$this->parseOptionalIndexType($stream);
77	52		if (!isset($this->options['USING'])) {
78	51		$this->parseOptionalIndexName($stream);
79	51		$this->parseOptionalIndexType($stream);
80	51		}
81	52		if (!is_null($constraint)) {
82	2		$this->name = $constraint;
83	2		}
84	52		$this->parseIndexColumns($stream);
85	52		$this->parseIndexOptions($stream);
86	52		break;
87
88	23		case 'FOREIGN KEY':
89	22		$this->constraint = $constraint;
90	22		$this->parseOptionalIndexName($stream);
91	22		$this->parseIndexColumns($stream);
92	22		$this->parseReferenceDefinition($stream);
93	20		break;
94
95	1		default:
96	1		throw new LogicException("Internal error - unknown index type '$type'");
97	1		}
98	78		}
99
100			/**
101			* @param TokenStream $stream
102			*/
103	68		private function parseOptionalIndexName(TokenStream $stream)
104			{
105	68		$mark = $stream->getMark();
106	68		$token = $stream->nextToken();
107	68		if ($token->type === 'identifier') {
108	11		$this->name = $token->text;
109	11		} else {
110	62		$stream->rewind($mark);
111			}
112	68		}
113
114			/**
115			* @param TokenStream $stream
116			*/
117	64		private function parseOptionalIndexType(TokenStream $stream)
118			{
119	64		if ($stream->consume('USING')) {
120	3		$this->parseIndexType($stream);
121	2		}
122	63		}
123
124			/**
125			* @param TokenStream $stream
126			*/
127	6		private function parseIndexType(TokenStream $stream)
128			{
129	6		if ($stream->consume('BTREE')) {
130	4		$using = 'BTREE';
131	6		} elseif ($stream->consume('HASH')) {
132	1		$using = 'HASH';
133	1		} else {
134	1		throw new RuntimeException("Expected BTREE or HASH");
135			}
136	5		$this->options['USING'] = $using;
137	5		}
138
139			/**
140			* @param TokenStream $stream
141			*/
142	80		private function parseIndexColumns(TokenStream $stream)
143			{
144	80		$this->columns = $this->expectIndexColumns($stream);
145	80		}
146
147			/**
148			* @param TokenStream $stream
149			* @return array
150			*/
151	80		private function expectIndexColumns(TokenStream $stream)
152			{
153	80		$columns = [];
154	80		$stream->expect('symbol', '(');
155	80		while (true) {
156			$column = [
157	80		'name' => $stream->expectName(),
158	80		'length' => null,
159	80		'sort' => 'ASC',
160	80		];
161	80		if ($stream->consume([['symbol', '(']])) {
162	5		$column['length'] = $stream->expectNumber();
163	5		$stream->expect('symbol', ')');
164	5		}
165	80		if ($stream->consume('ASC')) {
166	1		$column['sort'] = 'ASC';
167	80		} elseif ($stream->consume('DESC')) {
168	1		$column['sort'] = 'DESC';
169	1		}
170	80		$columns[] = $column;
171	80		if (!$stream->consume([['symbol', ',']])) {
172	80		break;
173			}
174	14		}
175
176	80		$stream->expect('symbol', ')');
177
178	80		return $columns;
179			}
180
181			/**
182			* @param TokenStream $stream
183			*/
184	63		private function parseIndexOptions(TokenStream $stream)
185			{
186	63		while (true) {
187	63		if ($stream->consume('KEY_BLOCK_SIZE')) {
188	4		$stream->consume([['symbol', '=']]);
189	4		$this->options['KEY_BLOCK_SIZE'] = $stream->expectNumber();
190	63		} elseif ($stream->consume('WITH PARSER')) {
191	1		$this->options['WITH PARSER'] = $stream->expectName();
192	63		} elseif ($stream->consume('COMMENT')) {
193	3		$this->options['COMMENT'] = $stream->expectString();
194	63		} elseif ($stream->consume('USING')) {
195	3		$this->parseIndexType($stream);
196	3		} else {
197	63		break;
198			}
199	9		}
200	63		}
201
202			/**
203			* @param TokenStream $stream
204			*/
205	22		private function parseReferenceDefinition(TokenStream $stream)
206			{
207	22		$stream->expect('identifier', 'REFERENCES');
208
209	22		$tableOrSchema = $stream->expectName();
210	22		if ($stream->consume([['symbol', '.']])) {
211	1		$schema = $tableOrSchema;
212	1		$table = $stream->expectName();
213	1		} else {
214	21		$schema = null;
215	21		$table = $tableOrSchema;
216			}
217
218	22		$this->reference['schema'] = $schema;
219	22		$this->reference['table'] = $table;
220	22		$this->reference['columns'] = $this->expectIndexColumns($stream);
221	22		$this->reference['ON DELETE'] = 'RESTRICT';
222	22		$this->reference['ON UPDATE'] = 'RESTRICT';
223
224	22		while (true) {
225	22		if ($stream->consume('MATCH')) {
226	1		throw new RuntimeException("MATCH clause is not supported in this tool, or in MySQL itself!");
227	21		} elseif ($stream->consume('ON DELETE')) {
228	5		$this->parseReferenceOption($stream, 'ON DELETE');
229	21		} elseif ($stream->consume('ON UPDATE')) {
230	6		$this->parseReferenceOption($stream, 'ON UPDATE');
231	5		} else {
232	20		break;
233			}
234	9		}
235	20		}
236
237			/**
238			* @param TokenStream $stream
239			* @param string $clause
240			*/
241	10		private function parseReferenceOption(TokenStream $stream, $clause)
242			{
243	10		$availableOptions = ['RESTRICT', 'CASCADE', 'SET NULL', 'NO ACTION'];
244	10		foreach ($availableOptions as $option) {
245	10		if ($stream->consume($option)) {
246	9		$this->reference[$clause] = $option;
247	9		return;
248			}
249	8		}
250	1		throw new RuntimeException("Expected one of: " . implode(", ", $availableOptions));
251			}
252
253			/**
254			* Returns an array of all sequences of columns covered by this index. Includes optional lengths.
255			*
256			* E.g. the index ```KEY idx (x,y(12),z)``` will give ```[['x', 'y(12)', 'z'], ['x', 'y(12)'], ['x']]```.
257			*
258			* @return string[][]
259			*/
260	38		public function getCovers()
261			{
262			// TODO - we should really have separate IndexPart objects so we can
			0 ignored issues – show Coding Style Best Practice introduced 2017-07-07 13:35 UTC by Report Bug Copy Issue Report Comments for TODO tasks are often forgotten in the code; it might be better to use a dedicated issue tracker. Loading history...
263			// correctly cope with pathological cases like:
264			//
265			// CREATE TABLE evil (
266			// `bad(16)` varchar(32) not null,
			0 ignored issues – show Unused Code Comprehensibility introduced 2017-07-07 13:35 UTC by Report Bug Copy Issue Report `50%` of this comment could be valid code. Did you maybe forget this after debugging? Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it. The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production. This check looks for comments that seem to be mostly valid code and reports them. Loading history...
267			// KEY (`bad(16)`(8))
			0 ignored issues – show Unused Code Comprehensibility introduced 2017-07-07 13:35 UTC by Report Bug Copy Issue Report `64%` of this comment could be valid code. Did you maybe forget this after debugging? Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it. The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production. This check looks for comments that seem to be mostly valid code and reports them. Loading history...
268			// )
269			//
270	38		$covers = [];
271	38		$cover = [];
272	38	View Code Duplication	foreach ($this->columns as $column) {
			0 ignored issues – show Duplication introduced 2017-07-07 13:35 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...
273	38		$name = $column['name'];
274	38		if ($column['length']) {
275	1		$name .= '(' . $column['length'] . ')';
276	1		}
277	38		$cover[] = $name;
278	38		$covers[] = $cover;
279	38		}
280	38		return $covers;
281			}
282
283			/**
284			* Returns the sequence of indexed columns, including optional lengths.
285			*
286			* E.g. the index ```KEY idx (x, y(12))``` will give ```['x', 'y(12)']```
287			*
288			* @return string[]
289			*/
290	12		public function getColumns()
291			{
292	12		$columns = [];
293	12	View Code Duplication	foreach ($this->columns as $column) {
			0 ignored issues – show Duplication introduced 2017-07-07 13:35 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...
294	12		$name = $column['name'];
295	12		if ($column['length']) {
296	1		$name .= '(' . $column['length'] . ')';
297	1		}
298	12		$columns[] = $name;
299	12		}
300	12		return $columns;
301			}
302
303			/**
304			* Returns an SQL fragment for declaring this index as part of a table definition.
305			*
306			* @return string
307			*/
308	71		public function toString()
309			{
310	71		$line = '';
311	71		if ($this->type === 'FOREIGN KEY') {
312	20		$line = "CONSTRAINT " . Token::escapeIdentifier($this->constraint) . " ";
313	20		}
314	71		$line .= $this->type;
315	71		if (!in_array($this->type, ['PRIMARY KEY', 'FOREIGN KEY'])) {
316	44		$line .= " " . Token::escapeIdentifier($this->name);
317	44		}
318	71		$cols = [];
319	71	View Code Duplication	foreach ($this->columns as $column) {
			0 ignored issues – show Duplication introduced 2017-07-07 13:35 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...
320	71		$col = Token::escapeIdentifier($column['name']);
321	71		if (!is_null($column['length'])) {
322	2		$col .= "(" . $column['length'] . ")";
323	2		}
324	71		$cols[] = $col;
325	71		}
326	71		$line .= " (" . implode(',', $cols) . ")";
327
328	71		if (isset($this->options['USING'])) {
329	5		$line .= " USING " . $this->options['USING'];
330	5		}
331	71		if (isset($this->options['KEY_BLOCK_SIZE']) && $this->options['KEY_BLOCK_SIZE'] !== 0) {
332	3		$line .= " KEY_BLOCK_SIZE=" . $this->options['KEY_BLOCK_SIZE'];
333	3		}
334	71		if (isset($this->options['COMMENT']) && $this->options['COMMENT'] !== '') {
335	2		$line .= " COMMENT " . Token::escapeString($this->options['COMMENT']);
336	2		}
337	71		if (isset($this->options['WITH PARSER'])) {
338	1		$line .= " WITH PARSER " . $this->options['WITH PARSER'];
339	1		}
340
341	71		if ($this->type === 'FOREIGN KEY') {
342	20		$reference = Token::escapeIdentifier($this->reference['table']);
343	20		if (!is_null($this->reference['schema'])) {
344	1		$reference = Token::escapeIdentifier($this->reference['schema']) . '.' . $reference;
345	1		}
346	20		$line .= " REFERENCES $reference";
347	20		$cols = [];
348	20	View Code Duplication	foreach ($this->reference['columns'] as $column) {
			0 ignored issues – show Duplication introduced 2017-07-07 13:35 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...
349	20		$col = Token::escapeIdentifier($column['name']);
350	20		if (!is_null($column['length'])) {
351	1		$col .= "(" . $column['length'] . ")";
352	1		}
353	20		$cols[] = $col;
354	20		}
355	20		$line .= " (" . implode(',', $cols) . ")";
356	20		foreach (['ON DELETE', 'ON UPDATE'] as $clause) {
357	20		$action = $this->reference[$clause];
358	20		if ($action !== 'RESTRICT') {
359	7		$line .= " $clause $action";
360	7		}
361	20		}
362	20		}
363	71		return $line;
364			}
365			}
366

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IndexDefinition::parseReferenceOption() A

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