SQL::sequence_list() - Code Metrics - timw4mail/Query - Measure and Improve Code Quality continuously with Scrutinizer

SQL::sequence_list() A
last analyzed 2016-07-19 19:25 UTC

↳ Parent: SQL

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	1	Features	0

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

<?php
/**
 * Query
 *
 * Free Query Builder / Database Abstraction Layer
 *
 * @package		Query
 * @author		Timothy J. Warren
 * @copyright	Copyright (c) 2012 - 2015
 * @link 		https://github.com/aviat4ion/Query
 * @license		http://philsturgeon.co.uk/code/dbad-license
 */

// --------------------------------------------------------------------------

namespace Query\Drivers\Mysql;

/**
 * MySQL specifc SQL
 *
 * @package Query
 * @subpackage Drivers
 */
class SQL extends \Query\AbstractSQL {

	/**
	 * Limit clause
	 *
	 * @param string $sql
	 * @param int $limit
	 * @param int $offset
	 * @return string
	 */
	public function limit($sql, $limit, $offset=FALSE)
	{
		if ( ! is_numeric($offset))
		{
			return $sql." LIMIT {$limit}";
		}

		return $sql." LIMIT {$offset}, {$limit}";
	}

	// --------------------------------------------------------------------------

	/**
	 * Get the query plan for the sql query
	 *
	 * @param string $sql
	 * @return string
	 */
	public function explain($sql)
	{
		return "EXPLAIN EXTENDED {$sql}";
	}

	// --------------------------------------------------------------------------

	/**
	 * Random ordering keyword
	 *
	 * @return string
	 */
	public function random()
	{
		return ' RAND() DESC';
	}

	// --------------------------------------------------------------------------

	/**
	 * Returns sql to list other databases
	 *
	 * @return string
	 */
	public function db_list()
	{
		return "SHOW DATABASES WHERE `Database` NOT IN ('information_schema','mysql')";
	}

	// --------------------------------------------------------------------------

	/**
	 * Returns sql to list tables
	 *
	 * @param string $database
	 * @return string
	 */
	public function table_list($database='')
	{
		if ( ! empty($database))
		{
			return "SHOW TABLES FROM `{$database}`";
		}

		return 'SHOW TABLES';
	}

	// --------------------------------------------------------------------------

	/**
	 * Overridden in MySQL class
	 *
	 * @return string
	 */
	public function system_table_list()
	{
		return 'SELECT `TABLE_NAME` FROM `information_schema`.`TABLES`
			WHERE `TABLE_SCHEMA`=\'information_schema\'';
	}

	// --------------------------------------------------------------------------

	/**
	 * Returns sql to list views
	 *
	 * @return string
	 */
	public function view_list()
	{
		return 'SELECT `table_name` FROM `information_schema`.`views`';
	}

	// --------------------------------------------------------------------------

	/**
	 * Returns sql to list triggers
	 *
	 * @return string
	 */
	public function trigger_list()
	{
		return 'SHOW TRIGGERS';
	}

	// --------------------------------------------------------------------------

	/**
	 * Return sql to list functions
	 *
	 * @return string
	 */
	public function function_list()
	{
		return 'SHOW FUNCTION STATUS';
	}

	// --------------------------------------------------------------------------

	/**
	 * Return sql to list stored procedures
	 *
	 * @return string
	 */
	public function procedure_list()
	{
		return 'SHOW PROCEDURE STATUS';
	}

	// --------------------------------------------------------------------------

	/**
	 * Return sql to list sequences
	 *
	 * @return NULL
	 */
	public function sequence_list()
	{
		return NULL;
	}

	// --------------------------------------------------------------------------

	/**
	 * SQL to show list of field types
	 *
	 * @return string
	 */
	public function type_list()
	{
		return "SELECT DISTINCT `DATA_TYPE` FROM `information_schema`.`COLUMNS`";
	}

	// --------------------------------------------------------------------------

	/**
	 * SQL to show infromation about columns in a table
	 *
	 * @param string $table
	 * @return string
	 */
	public function column_list($table)
	{
		return "SHOW FULL COLUMNS FROM {$table}";
	}

	// --------------------------------------------------------------------------

	/**
	 * Get the list of foreign keys for the current
	 * table
	 *
	 * @param string $table
	 * @return string
	 */
	public function fk_list($table)
	{
		return <<<SQL
			SELECT DISTINCT `kcu`.`COLUMN_NAME` as `child_column`,
					`kcu`.`REFERENCED_TABLE_NAME` as `parent_table`,
					`kcu`.`REFERENCED_COLUMN_NAME` as `parent_column`,
					`rc`.`UPDATE_RULE` AS `update`,
					`rc`.`DELETE_RULE` AS `delete`
			FROM `INFORMATION_SCHEMA`.`TABLE_CONSTRAINTS` `tc`
			INNER JOIN `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` `kcu`
				ON `kcu`.`CONSTRAINT_NAME`=`tc`.`CONSTRAINT_NAME`
			INNER JOIN `INFORMATION_SCHEMA`.`REFERENTIAL_CONSTRAINTS` `rc`
				ON `rc`.`CONSTRAINT_NAME`=`tc`.`CONSTRAINT_NAME`
			WHERE `tc`.`CONSTRAINT_TYPE`='FOREIGN KEY'
			AND `tc`.`TABLE_NAME`='{$table}'
SQL;
	}

	// --------------------------------------------------------------------------

	/**
	 * Get the list of indexes for the current table
	 *
	 * @param string $table
	 * @return array
	 */
	public function index_list($table)
	{
		return "SHOW INDEX IN {$table}";
	}
}
//End of mysql_sql.php

1			<?php
2			/**
3			* Query
4			*
5			* Free Query Builder / Database Abstraction Layer
6			*
7			* @package Query
8			* @author Timothy J. Warren
9			* @copyright Copyright (c) 2012 - 2015
10			* @link https://github.com/aviat4ion/Query
11			* @license http://philsturgeon.co.uk/code/dbad-license
12			*/
13
14			// --------------------------------------------------------------------------
15
16			namespace Query\Drivers\Mysql;
17
18			/**
19			* MySQL specifc SQL
20			*
21			* @package Query
22			* @subpackage Drivers
23			*/
24			class SQL extends \Query\AbstractSQL {
25
26			/**
27			* Limit clause
28			*
29			* @param string $sql
30			* @param int $limit
31			* @param int $offset
32			* @return string
33			*/
34			public function limit($sql, $limit, $offset=FALSE)
35			{
36			if ( ! is_numeric($offset))
37			{
38			return $sql." LIMIT {$limit}";
39			}
40
41			return $sql." LIMIT {$offset}, {$limit}";
42			}
43
44			// --------------------------------------------------------------------------
45
46			/**
47			* Get the query plan for the sql query
48			*
49			* @param string $sql
50			* @return string
51			*/
52			public function explain($sql)
53			{
54			return "EXPLAIN EXTENDED {$sql}";
55			}
56
57			// --------------------------------------------------------------------------
58
59			/**
60			* Random ordering keyword
61			*
62			* @return string
63			*/
64			public function random()
65			{
66			return ' RAND() DESC';
67			}
68
69			// --------------------------------------------------------------------------
70
71			/**
72			* Returns sql to list other databases
73			*
74			* @return string
75			*/
76			public function db_list()
77			{
78			return "SHOW DATABASES WHERE `Database` NOT IN ('information_schema','mysql')";
79			}
80
81			// --------------------------------------------------------------------------
82
83			/**
84			* Returns sql to list tables
85			*
86			* @param string $database
87			* @return string
88			*/
89			public function table_list($database='')
90			{
91			if ( ! empty($database))
92			{
93			return "SHOW TABLES FROM `{$database}`";
94			}
95
96			return 'SHOW TABLES';
97			}
98
99			// --------------------------------------------------------------------------
100
101			/**
102			* Overridden in MySQL class
103			*
104			* @return string
105			*/
106			public function system_table_list()
107			{
108			return 'SELECT `TABLE_NAME` FROM `information_schema`.`TABLES`
109			WHERE `TABLE_SCHEMA`=\'information_schema\'';
110			}
111
112			// --------------------------------------------------------------------------
113
114			/**
115			* Returns sql to list views
116			*
117			* @return string
118			*/
119			public function view_list()
120			{
121			return 'SELECT `table_name` FROM `information_schema`.`views`';
122			}
123
124			// --------------------------------------------------------------------------
125
126			/**
127			* Returns sql to list triggers
128			*
129			* @return string
130			*/
131			public function trigger_list()
132			{
133			return 'SHOW TRIGGERS';
134			}
135
136			// --------------------------------------------------------------------------
137
138			/**
139			* Return sql to list functions
140			*
141			* @return string
142			*/
143			public function function_list()
144			{
145			return 'SHOW FUNCTION STATUS';
146			}
147
148			// --------------------------------------------------------------------------
149
150			/**
151			* Return sql to list stored procedures
152			*
153			* @return string
154			*/
155			public function procedure_list()
156			{
157			return 'SHOW PROCEDURE STATUS';
158			}
159
160			// --------------------------------------------------------------------------
161
162			/**
163			* Return sql to list sequences
164			*
165			* @return NULL
166			*/
167			public function sequence_list()
168			{
169			return NULL;
170			}
171
172			// --------------------------------------------------------------------------
173
174			/**
175			* SQL to show list of field types
176			*
177			* @return string
178			*/
179			public function type_list()
180			{
181			return "SELECT DISTINCT `DATA_TYPE` FROM `information_schema`.`COLUMNS`";
182			}
183
184			// --------------------------------------------------------------------------
185
186			/**
187			* SQL to show infromation about columns in a table
188			*
189			* @param string $table
190			* @return string
191			*/
192			public function column_list($table)
193			{
194			return "SHOW FULL COLUMNS FROM {$table}";
195			}
196
197			// --------------------------------------------------------------------------
198
199			/**
200			* Get the list of foreign keys for the current
201			* table
202			*
203			* @param string $table
204			* @return string
205			*/
206			public function fk_list($table)
207			{
208			return <<<SQL
209			SELECT DISTINCT `kcu`.`COLUMN_NAME` as `child_column`,
210			`kcu`.`REFERENCED_TABLE_NAME` as `parent_table`,
211			`kcu`.`REFERENCED_COLUMN_NAME` as `parent_column`,
212			`rc`.`UPDATE_RULE` AS `update`,
213			`rc`.`DELETE_RULE` AS `delete`
214			FROM `INFORMATION_SCHEMA`.`TABLE_CONSTRAINTS` `tc`
215			INNER JOIN `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` `kcu`
216			ON `kcu`.`CONSTRAINT_NAME`=`tc`.`CONSTRAINT_NAME`
217			INNER JOIN `INFORMATION_SCHEMA`.`REFERENTIAL_CONSTRAINTS` `rc`
218			ON `rc`.`CONSTRAINT_NAME`=`tc`.`CONSTRAINT_NAME`
219			WHERE `tc`.`CONSTRAINT_TYPE`='FOREIGN KEY'
220			AND `tc`.`TABLE_NAME`='{$table}'
221			SQL;
222			}
223
224			// --------------------------------------------------------------------------
225
226			/**
227			* Get the list of indexes for the current table
228			*
229			* @param string $table
230			* @return array
231			*/
232			public function index_list($table)
233			{
234			return "SHOW INDEX IN {$table}";
235			}
236			}
237			//End of mysql_sql.php

timw4mail / Query

SQL::sequence_list() A last analyzed 2016-07-19 19:25 UTC

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SQL::sequence_list() A
last analyzed 2016-07-19 19:25 UTC