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File: mysql.php.tar
home/academiac/www/plugins/content/geshi/geshi/geshi/mysql.php��������������������������������������0000644�����������������00000053441�15137314026�0020526 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php
// no direct access
defined('_JEXEC') or die;

/*************************************************************************************
 * mysql.php
 * ---------
 * Author: Marjolein Katsma (marjolein.is.back@gmail.com)
 * Copyright: (c) 2008 Marjolein Katsma (http://blog.marjoleinkatsma.com/)
 * Release Version: 1.0.8.10
 * Date Started: 2008-12-12
 *
 * MySQL language file for GeSHi.
 *
 * Based on original MySQL language file by Carl Fürstenberg (2004); brought
 * up-to-date for current MySQL versions, and with more classes for different
 * types of keywords; several minor errors were corrected as well.
 *
 * Some "classes" have two groups here: this is to allow for the fact that some
 * keywords in MySQL have a double function: many of those are either a function
 * (must be immediately followed by an opening bracket) or some other keyword:
 * so they can be distinguished by the presence (or not) of that opening bracket.
 * (An immediately following opening bracket is a default rule for functions in
 * MySQL, though this may be overridden; because it's only a default, we use a
 * regex lookahead only where necessary to distinguish homonyms, not generally
 * to match any function.)
 * Other keywords with double usage cannot be distinguished and are classified
 * in the "Mix" category.
 *
 *************************************************************************************
 *
 * This file is part of GeSHi.
 *
 * GeSHi is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GeSHi is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GeSHi; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 ************************************************************************************/

$language_data = array (
    'LANG_NAME' => 'MySQL',
    //'COMMENT_SINGLE' => array(1 =>'--', 2 => '#'),    // '--' MUST be folowed by whitespace,not necessarily a space
    'COMMENT_SINGLE' => array(
        1 =>'-- ',
        2 => '#'
        ),
    'COMMENT_REGEXP' => array(
        1 => "/(?:--\s).*?$/",                          // double dash followed by any whitespace
        ),
    'COMMENT_MULTI' => array('/*' => '*/'),
    'CASE_KEYWORDS' => GESHI_CAPS_NO_CHANGE,            // @@@ would be nice if this could be defined per group!
    'QUOTEMARKS' => array("'", '"', '`'),
    'ESCAPE_CHAR' => '\\',                              // by default only, can be specified
    'ESCAPE_REGEXP' => array(
        1 => "/[_%]/",                                  // search wildcards
        ),
    'NUMBERS' =>
        GESHI_NUMBER_INT_BASIC |
        GESHI_NUMBER_OCT_PREFIX |
        GESHI_NUMBER_HEX_PREFIX |
        GESHI_NUMBER_FLT_NONSCI |
        GESHI_NUMBER_FLT_SCI_SHORT |
        GESHI_NUMBER_FLT_SCI_ZERO,
    'KEYWORDS' => array(
        1 => array(
            // Mix: statement keywords and keywords that don't fit in any other
            // category, or have multiple usage/meanings
            'ACTION','ADD','AFTER','ALGORITHM','ALL','ALTER','ANALYZE','ANY',
            'ASC','AS','BDB','BEGIN','BERKELEYDB','BINARY','BTREE','CALL',
            'CASCADED','CASCADE','CHAIN','CHECK','COLUMNS','COLUMN','COMMENT',
            'COMMIT','COMMITTED','CONSTRAINT','CONTAINS SQL','CONSISTENT',
            'CONVERT','CREATE','CROSS','DATA','DATABASES',
            'DECLARE','DEFINER','DELAYED','DELETE','DESCRIBE','DESC',
            'DETERMINISTIC','DISABLE','DISCARD','DISTINCTROW','DISTINCT','DO',
            'DROP','DUMPFILE','DUPLICATE KEY','ENABLE','ENCLOSED BY','ENGINE',
            'ERRORS','ESCAPED BY','EXISTS','EXPLAIN','EXTENDED','FIELDS',
            'FIRST','FOR EACH ROW','FORCE','FOREIGN KEY','FROM','FULL',
            'FUNCTION','GLOBAL','GRANT','GROUP BY','HANDLER','HASH','HAVING',
            'HELP','HIGH_PRIORITY','IF NOT EXISTS','IGNORE','IMPORT','INDEX',
            'INFILE','INNER','INNODB','INOUT','INTO','INVOKER',
            'ISOLATION LEVEL','JOIN','KEYS','KEY','KILL','LANGUAGE SQL','LAST',
            'LIMIT','LINES','LOAD','LOCAL','LOCK','LOW_PRIORITY',
            'MASTER_SERVER_ID','MATCH','MERGE','MIDDLEINT','MODIFIES SQL DATA',
            'MODIFY','MRG_MYISAM','NATURAL','NEXT','NO SQL','NO','ON',
            'OPTIMIZE','OPTIONALLY','OPTION','ORDER BY','OUTER','OUTFILE','OUT',
            'PARTIAL','PREV','PRIMARY KEY','PRIVILEGES','PROCEDURE','PURGE',
            'QUICK','READS SQL DATA','READ','REFERENCES','RELEASE','RENAME',
            'REPEATABLE','REQUIRE','RESTRICT','RETURNS','REVOKE',
            'ROLLBACK','ROUTINE','RTREE','SAVEPOINT','SELECT',
            'SERIALIZABLE','SESSION','SET','SHARE MODE','SHOW','SIMPLE',
            'SNAPSHOT','SOME','SONAME','SQL SECURITY','SQL_BIG_RESULT',
            'SQL_BUFFER_RESULT','SQL_CACHE','SQL_CALC_FOUND_ROWS',
            'SQL_NO_CACHE','SQL_SMALL_RESULT','SSL','START','STARTING BY',
            'STATUS','STRAIGHT_JOIN','STRIPED','TABLESPACE','TABLES','TABLE',
            'TEMPORARY','TEMPTABLE','TERMINATED BY','TO','TRANSACTIONS',
            'TRANSACTION','TRIGGER','TYPES','TYPE','UNCOMMITTED','UNDEFINED',
            'UNION','UNLOCK_TABLES','UPDATE','USAGE','USE','USER_RESOURCES',
            'USING','VALUES','VALUE','VIEW','WARNINGS','WHERE','WITH ROLLUP',
            'WITH','WORK','WRITE',
            ),
        2 => array(     //No ( must follow
            // Mix: statement keywords distinguished from functions by the same name
            "CURRENT_USER", "DATABASE", "IN", "INSERT", "DEFAULT", "REPLACE", "SCHEMA", "TRUNCATE"
            ),
        3 => array(
            // Values (Constants)
            'FALSE','NULL','TRUE',
            ),
        4 => array(
            // Column Data Types
            'BIGINT','BIT','BLOB','BOOLEAN','BOOL','CHARACTER VARYING',
            'CHAR VARYING','DATETIME','DECIMAL','DEC','DOUBLE PRECISION',
            'DOUBLE','ENUM','FIXED','FLOAT','GEOMETRYCOLLECTION','GEOMETRY',
            'INTEGER','INT','LINESTRING','LONGBLOB','LONGTEXT','MEDIUMBLOB',
            'MEDIUMINT','MEDIUMTEXT','MULTIPOINT','MULTILINESTRING',
            'MULTIPOLYGON','NATIONAL CHARACTER','NATIONAL CHARACTER VARYING',
            'NATIONAL CHAR VARYING','NATIONAL VARCHAR','NCHAR VARCHAR','NCHAR',
            'NUMERIC','POINT','POLYGON','REAL','SERIAL',
            'SMALLINT','TEXT','TIMESTAMP','TINYBLOB','TINYINT',
            'TINYTEXT','VARBINARY','VARCHARACTER','VARCHAR',
            ),
        5 => array(     //No ( must follow
            // Column data types distinguished from functions by the same name
            "CHAR", "DATE", "TIME"
            ),
        6 => array(
            // Table, Column & Index Attributes
            'AUTO_INCREMENT','AVG_ROW_LENGTH','BOTH','CHECKSUM','CONNECTION',
            'DATA DIRECTORY','DEFAULT NULL','DELAY_KEY_WRITE','FULLTEXT',
            'INDEX DIRECTORY','INSERT_METHOD','LEADING','MAX_ROWS','MIN_ROWS',
            'NOT NULL','PACK_KEYS','ROW_FORMAT','SERIAL DEFAULT VALUE','SIGNED',
            'SPATIAL','TRAILING','UNIQUE','UNSIGNED','ZEROFILL'
            ),
        7 => array(     //No ( must follow
            // Column attribute distinguished from function by the same name
            "CHARSET"
            ),
        8 => array(
            // Date and Time Unit Specifiers
            'DAY_HOUR','DAY_MICROSECOND','DAY_MINUTE','DAY_SECOND',
            'HOUR_MICROSECOND','HOUR_MINUTE','HOUR_SECOND',
            'MINUTE_MICROSECOND','MINUTE_SECOND',
            'SECOND_MICROSECOND','YEAR_MONTH'
            ),
        9 => array(     //No ( must follow
            // Date-time unit specifiers distinguished from functions by the same name
            "DAY", "HOUR", "MICROSECOND", "MINUTE", "MONTH", "QUARTER", "SECOND", "WEEK", "YEAR"
            ),
        10 => array(
            // Operators (see also Symbols)
            'AND','BETWEEN','CHARACTER SET','COLLATE','DIV','IS NOT NULL',
            'IS NOT','IS NULL','IS','LIKE','NOT','OFFSET','OR','REGEXP','RLIKE',
            'SOUNDS LIKE','XOR'
            ),
        11 => array(     //No ( must follow
            // Operator distinghuished from function by the same name
            "INTERVAL"
            ),
        12 => array(
            // Control Flow (functions)
            'CASE','ELSE','END','IFNULL','IF','NULLIF','THEN','WHEN',
            ),
        13 => array(
            // String Functions
            'ASCII','BIN','BIT_LENGTH','CHAR_LENGTH','CHARACTER_LENGTH',
            'CONCAT_WS','CONCAT','ELT','EXPORT_SET','FIELD',
            'FIND_IN_SET','FORMAT','HEX','INSTR','LCASE','LEFT','LENGTH',
            'LOAD_FILE','LOCATE','LOWER','LPAD','LTRIM','MAKE_SET','MID',
            'OCTET_LENGTH','ORD','POSITION','QUOTE','REPEAT','REVERSE',
            'RIGHT','RPAD','RTRIM','SOUNDEX','SPACE','STRCMP','SUBSTRING_INDEX',
            'SUBSTRING','TRIM','UCASE','UNHEX','UPPER',
            ),
        14 => array(     //A ( must follow
            // String functions distinguished from other keywords by the same name
            "INSERT", "REPLACE", "CHAR"
            ),
        15 => array(
            // Numeric Functions
            'ABS','ACOS','ASIN','ATAN2','ATAN','CEILING','CEIL',
            'CONV','COS','COT','CRC32','DEGREES','EXP','FLOOR','LN','LOG10',
            'LOG2','LOG','MOD','OCT','PI','POWER','POW','RADIANS','RAND',
            'ROUND','SIGN','SIN','SQRT','TAN',
            ),
        16 => array(     //A ( must follow
            // Numeric function distinguished from other keyword by the same name
            "TRUNCATE"
            ),
        17 => array(
            // Date and Time Functions
            'ADDDATE','ADDTIME','CONVERT_TZ','CURDATE','CURRENT_DATE',
            'CURRENT_TIME','CURRENT_TIMESTAMP','CURTIME','DATE_ADD',
            'DATE_FORMAT','DATE_SUB','DATEDIFF','DAYNAME','DAYOFMONTH',
            'DAYOFWEEK','DAYOFYEAR','EXTRACT','FROM_DAYS','FROM_UNIXTIME',
            'GET_FORMAT','LAST_DAY','LOCALTIME','LOCALTIMESTAMP','MAKEDATE',
            'MAKETIME','MONTHNAME','NOW','PERIOD_ADD',
            'PERIOD_DIFF','SEC_TO_TIME','STR_TO_DATE','SUBDATE','SUBTIME',
            'SYSDATE','TIME_FORMAT','TIME_TO_SEC',
            'TIMESTAMPADD','TIMESTAMPDIFF','TO_DAYS',
            'UNIX_TIMESTAMP','UTC_DATE','UTC_TIME','UTC_TIMESTAMP','WEEKDAY',
            'WEEKOFYEAR','YEARWEEK',
            ),
        18 => array(     //A ( must follow
            // Date-time functions distinguished from other keywords by the same name
            "DATE", "DAY", "HOUR", "MICROSECOND", "MINUTE", "MONTH", "QUARTER",
            "SECOND", "TIME", "WEEK", "YEAR"
            ),
        19 => array(
            // Comparison Functions
            'COALESCE','GREATEST','ISNULL','LEAST',
            ),
        20 => array(     //A ( must follow
            // Comparison functions distinguished from other keywords by the same name
            "IN", "INTERVAL"
            ),
        21 => array(
            // Encryption and Compression Functions
            'AES_DECRYPT','AES_ENCRYPT','COMPRESS','DECODE','DES_DECRYPT',
            'DES_ENCRYPT','ENCODE','ENCRYPT','MD5','OLD_PASSWORD','PASSWORD',
            'SHA1','SHA','UNCOMPRESS','UNCOMPRESSED_LENGTH',
            ),
        22 => array(
            // GROUP BY (aggregate) Functions
            'AVG','BIT_AND','BIT_OR','BIT_XOR','COUNT','GROUP_CONCAT',
            'MAX','MIN','STDDEV_POP','STDDEV_SAMP','STDDEV','STD','SUM',
            'VAR_POP','VAR_SAMP','VARIANCE',
            ),
        23 => array(
            // Information Functions
            'BENCHMARK','COERCIBILITY','COLLATION','CONNECTION_ID',
            'FOUND_ROWS','LAST_INSERT_ID','ROW_COUNT',
            'SESSION_USER','SYSTEM_USER','USER','VERSION',
            ),
        24 => array(     //A ( must follow
            // Information functions distinguished from other keywords by the same name
            "CURRENT_USER", "DATABASE", "SCHEMA", "CHARSET"
            ),
        25 => array(
            // Miscellaneous Functions
            'ExtractValue','BIT_COUNT','GET_LOCK','INET_ATON','INET_NTOA',
            'IS_FREE_LOCK','IS_USED_LOCK','MASTER_POS_WAIT','NAME_CONST',
            'RELEASE_LOCK','SLEEP','UpdateXML','UUID',
            ),
        26 => array(     //A ( must follow
            // Miscellaneous function distinguished from other keyword by the same name
            "DEFAULT"
            ),
        27 => array(
            // Geometry Functions
            'Area','AsBinary','AsText','AsWKB','AsWKT','Boundary','Buffer',
            'Centroid','Contains','ConvexHull','Crosses',
            'Difference','Dimension','Disjoint','Distance',
            'EndPoint','Envelope','Equals','ExteriorRing',
            'GLength','GeomCollFromText','GeomCollFromWKB','GeomFromText',
            'GeomFromWKB','GeometryCollectionFromText',
            'GeometryCollectionFromWKB','GeometryFromText','GeometryFromWKB',
            'GeometryN','GeometryType',
            'InteriorRingN','Intersection','Intersects','IsClosed','IsEmpty',
            'IsRing','IsSimple',
            'LineFromText','LineFromWKB','LineStringFromText',
            'LineStringFromWKB',
            'MBRContains','MBRDisjoint','MBREqual','MBRIntersects',
            'MBROverlaps','MBRTouches','MBRWithin','MLineFromText',
            'MLineFromWKB','MPointFromText','MPointFromWKB','MPolyFromText',
            'MPolyFromWKB','MultiLineStringFromText','MultiLineStringFromWKB',
            'MultiPointFromText','MultiPointFromWKB','MultiPolygonFromText',
            'MultiPolygonFromWKB',
            'NumGeometries','NumInteriorRings','NumPoints',
            'Overlaps',
            'PointFromText','PointFromWKB','PointN','PointOnSurface',
            'PolyFromText','PolyFromWKB','PolygonFromText','PolygonFromWKB',
            'Related','SRID','StartPoint','SymDifference',
            'Touches',
            'Union',
            'Within',
            'X',
            'Y',
            ),
        ),
    'SYMBOLS' => array(
        1 => array(
            /* Operators */
            '=', ':=',                                      // assignment operators
            '||', '&&', '!',                                // locical operators
            '=', '<=>', '>=', '>', '<=', '<', '<>', '!=',   // comparison operators
            '|', '&', '^', '~', '<<', '>>',                 // bitwise operators
            '-', '+', '*', '/', '%',                        // numerical operators
            ),
        2 => array(
            /* Other syntactical symbols */
            '(', ')',
            ',', ';',
            ),
        ),
    'CASE_SENSITIVE' => array(
        GESHI_COMMENTS => false,
        1 => false,
        2 => false,
        3 => false,
        4 => false,
        5 => false,
        6 => false,
        7 => false,
        8 => false,
        9 => false,
        10 => false,
        11 => false,
        12 => false,
        13 => false,
        13 => false,
        14 => false,
        15 => false,
        16 => false,
        17 => false,
        18 => false,
        19 => false,
        20 => false,
        21 => false,
        22 => false,
        23 => false,
        24 => false,
        25 => false,
        26 => false,
        27 => false,
        ),
    'STYLES' => array(
        'KEYWORDS' => array(
            1 => 'color: #990099; font-weight: bold;',      // mix
            2 => 'color: #990099; font-weight: bold;',      // mix
            3 => 'color: #9900FF; font-weight: bold;',      // constants
            4 => 'color: #999900; font-weight: bold;',      // column data types
            5 => 'color: #999900; font-weight: bold;',      // column data types
            6 => 'color: #FF9900; font-weight: bold;',      // attributes
            7 => 'color: #FF9900; font-weight: bold;',      // attributes
            8 => 'color: #9900FF; font-weight: bold;',      // date-time units
            9 => 'color: #9900FF; font-weight: bold;',      // date-time units

            10 => 'color: #CC0099; font-weight: bold;',      // operators
            11 => 'color: #CC0099; font-weight: bold;',      // operators

            12 => 'color: #009900;',     // control flow (functions)
            13 => 'color: #000099;',     // string functions
            14 => 'color: #000099;',     // string functions
            15 => 'color: #000099;',     // numeric functions
            16 => 'color: #000099;',     // numeric functions
            17 => 'color: #000099;',     // date-time functions
            18 => 'color: #000099;',     // date-time functions
            19 => 'color: #000099;',     // comparison functions
            20 => 'color: #000099;',     // comparison functions
            21 => 'color: #000099;',     // encryption functions
            22 => 'color: #000099;',     // aggregate functions
            23 => 'color: #000099;',     // information functions
            24 => 'color: #000099;',     // information functions
            25 => 'color: #000099;',     // miscellaneous functions
            26 => 'color: #000099;',     // miscellaneous functions
            27 => 'color: #00CC00;',     // geometry functions
            ),
        'COMMENTS' => array(
            'MULTI' => 'color: #808000; font-style: italic;',
            1 => 'color: #808080; font-style: italic;',
            2 => 'color: #808080; font-style: italic;'
            ),
        'ESCAPE_CHAR' => array(
            0 => 'color: #004000; font-weight: bold;',
            1 => 'color: #008080; font-weight: bold;'       // search wildcards
            ),
        'BRACKETS' => array(
            0 => 'color: #FF00FF;'
            ),
        'STRINGS' => array(
            0 => 'color: #008000;'
            ),
        'NUMBERS' => array(
            0 => 'color: #008080;'
            ),
        'METHODS' => array(
            ),
        'SYMBOLS' => array(
            1 => 'color: #CC0099;',         // operators
            2 => 'color: #000033;',         // syntax
            ),
        'SCRIPT' => array(
            ),
        'REGEXPS' => array(
            )
        ),
    'URLS' => array(
        1 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        2 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        3 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        4 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        5 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        6 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        7 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        8 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',
        9 => 'http://search.mysql.com/search?site=refman-%35%31&amp;q={FNAME}',

        10 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/non-typed-operators.html',
        11 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/non-typed-operators.html',

        12 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/control-flow-functions.html',
        13 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/string-functions.html',
        14 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/string-functions.html',
        15 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/numeric-functions.html',
        16 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/numeric-functions.html',
        17 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/date-and-time-functions.html',
        18 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/date-and-time-functions.html',
        19 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/comparison-operators.html',
        20 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/comparison-operators.html',
        21 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/encryption-functions.html',
        22 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/group-by-functions-and-modifiers.html',
        23 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/information-functions.html',
        24 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/information-functions.html',
        25 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/func-op-summary-ref.html',
        26 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/func-op-summary-ref.html',
        27 => 'http://dev.mysql.com/doc/refman/%35%2E%31/en/analysing-spatial-information.html',
        ),
    'OOLANG' => false,
    'OBJECT_SPLITTERS' => array(
        ),
    'REGEXPS' => array(
        ),
    'STRICT_MODE_APPLIES' => GESHI_NEVER,
    'SCRIPT_DELIMITERS' => array(
        ),
    'HIGHLIGHT_STRICT_BLOCK' => array(
        ),
    'TAB_WIDTH' => 4,
    'PARSER_CONTROL' => array(
        'KEYWORDS' => array(
            2 => array(
                'DISALLOWED_AFTER' => '(?![\(\w])'
                ),
            5 => array(
                'DISALLOWED_AFTER' => '(?![\(\w])'
                ),
            7 => array(
                'DISALLOWED_AFTER' => '(?![\(\w])'
                ),
            9 => array(
                'DISALLOWED_AFTER' => '(?![\(\w])'
                ),
            11 => array(
                'DISALLOWED_AFTER' => '(?![\(\w])'
                ),

            14 => array(
                'DISALLOWED_AFTER' => '(?=\()'
                ),
            16 => array(
                'DISALLOWED_AFTER' => '(?=\()'
                ),
            18 => array(
                'DISALLOWED_AFTER' => '(?=\()'
                ),
            20 => array(
                'DISALLOWED_AFTER' => '(?=\()'
                ),
            24 => array(
                'DISALLOWED_AFTER' => '(?=\()'
                ),
            26 => array(
                'DISALLOWED_AFTER' => '(?=\()'
                )
            )
        )
);

?>
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/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

JLoader::register('JDatabaseQueryMySQL', dirname(__FILE__) . '/mysqlquery.php');
JLoader::register('JDatabaseExporterMySQL', dirname(__FILE__) . '/mysqlexporter.php');
JLoader::register('JDatabaseImporterMySQL', dirname(__FILE__) . '/mysqlimporter.php');

/**
 * MySQL database driver
 *
 * @package     Joomla.Platform
 * @subpackage  Database
 * @see         http://dev.mysql.com/doc/
 * @since       11.1
 */
class JDatabaseMySQL extends JDatabase
{
	/**
	 * The name of the database driver.
	 *
	 * @var    string
	 * @since  11.1
	 */
	public $name = 'mysql';

	/**
	 * The character(s) used to quote SQL statement names such as table names or field names,
	 * etc. The child classes should define this as necessary.  If a single character string the
	 * same character is used for both sides of the quoted name, else the first character will be
	 * used for the opening quote and the second for the closing quote.
	 *
	 * @var    string
	 * @since  11.1
	 */
	protected $nameQuote = '`';

	/**
	 * The null or zero representation of a timestamp for the database driver.  This should be
	 * defined in child classes to hold the appropriate value for the engine.
	 *
	 * @var    string
	 * @since  11.1
	 */
	protected $nullDate = '0000-00-00 00:00:00';

	/**
	 * @var    string  The minimum supported database version.
	 * @since  12.1
	 */
	protected $dbMinimum = '5.0.4';

	/**
	 * Constructor.
	 *
	 * @param   array  $options  Array of database options with keys: host, user, password, database, select.
	 *
	 * @since   11.1
	 */
	protected function __construct($options)
	{
		// Get some basic values from the options.
		$options['host'] = (isset($options['host'])) ? $options['host'] : 'localhost';
		$options['user'] = (isset($options['user'])) ? $options['user'] : 'root';
		$options['password'] = (isset($options['password'])) ? $options['password'] : '';
		$options['database'] = (isset($options['database'])) ? $options['database'] : '';
		$options['select'] = (isset($options['select'])) ? (bool) $options['select'] : true;

		// Make sure the MySQL extension for PHP is installed and enabled.
		if (!function_exists('mysql_connect'))
		{

			// Legacy error handling switch based on the JError::$legacy switch.
			// @deprecated  12.1
			if (JError::$legacy)
			{
				$this->errorNum = 1;
				$this->errorMsg = JText::_('JLIB_DATABASE_ERROR_ADAPTER_MYSQL');
				return;
			}
			else
			{
				throw new JDatabaseException(JText::_('JLIB_DATABASE_ERROR_ADAPTER_MYSQL'));
			}
		}

		// Attempt to connect to the server.
		if (!($this->connection = @ mysql_connect($options['host'], $options['user'], $options['password'], true)))
		{

			// Legacy error handling switch based on the JError::$legacy switch.
			// @deprecated  12.1
			if (JError::$legacy)
			{
				$this->errorNum = 2;
				$this->errorMsg = JText::_('JLIB_DATABASE_ERROR_CONNECT_MYSQL');
				return;
			}
			else
			{
				throw new JDatabaseException(JText::_('JLIB_DATABASE_ERROR_CONNECT_MYSQL'));
			}
		}

		// Finalize initialisation
		parent::__construct($options);

		// Set sql_mode to non_strict mode
		mysql_query("SET @@SESSION.sql_mode = '';", $this->connection);

		// If auto-select is enabled select the given database.
		if ($options['select'] && !empty($options['database']))
		{
			$this->select($options['database']);
		}
	}

	/**
	 * Destructor.
	 *
	 * @since   11.1
	 */
	public function __destruct()
	{
		if (is_resource($this->connection))
		{
			mysql_close($this->connection);
		}
	}

	/**
	 * Method to escape a string for usage in an SQL statement.
	 *
	 * @param   string   $text   The string to be escaped.
	 * @param   boolean  $extra  Optional parameter to provide extra escaping.
	 *
	 * @return  string  The escaped string.
	 *
	 * @since   11.1
	 */
	public function escape($text, $extra = false)
	{
		$result = mysql_real_escape_string($text, $this->getConnection());

		if ($extra)
		{
			$result = addcslashes($result, '%_');
		}

		return $result;
	}

	/**
	 * Test to see if the MySQL connector is available.
	 *
	 * @return  boolean  True on success, false otherwise.
	 *
	 * @since   11.1
	 */
	public static function test()
	{
		return (function_exists('mysql_connect'));
	}

	/**
	 * Determines if the connection to the server is active.
	 *
	 * @return  boolean  True if connected to the database engine.
	 *
	 * @since   11.1
	 */
	public function connected()
	{
		if (is_resource($this->connection))
		{
			return mysql_ping($this->connection);
		}

		return false;
	}

	/**
	 * Drops a table from the database.
	 *
	 * @param   string   $tableName  The name of the database table to drop.
	 * @param   boolean  $ifExists   Optionally specify that the table must exist before it is dropped.
	 *
	 * @return  JDatabaseMySQL  Returns this object to support chaining.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function dropTable($tableName, $ifExists = true)
	{
		$query = $this->getQuery(true);

		$this->setQuery('DROP TABLE ' . ($ifExists ? 'IF EXISTS ' : '') . $query->quoteName($tableName));

		$this->execute();

		return $this;
	}

	/**
	 * Get the number of affected rows for the previous executed SQL statement.
	 *
	 * @return  integer  The number of affected rows.
	 *
	 * @since   11.1
	 */
	public function getAffectedRows()
	{
		return mysql_affected_rows($this->connection);
	}

	/**
	 * Method to get the database collation in use by sampling a text field of a table in the database.
	 *
	 * @return  mixed  The collation in use by the database (string) or boolean false if not supported.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getCollation()
	{
		$this->setQuery('SHOW FULL COLUMNS FROM #__users');
		$array = $this->loadAssocList();
		return $array['2']['Collation'];
	}

	/**
	 * Gets an exporter class object.
	 *
	 * @return  JDatabaseExporterMySQL  An exporter object.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getExporter()
	{
		// Make sure we have an exporter class for this driver.
		if (!class_exists('JDatabaseExporterMySQL'))
		{
			throw new JDatabaseException(JText::_('JLIB_DATABASE_ERROR_MISSING_EXPORTER'));
		}

		$o = new JDatabaseExporterMySQL;
		$o->setDbo($this);

		return $o;
	}

	/**
	 * Gets an importer class object.
	 *
	 * @return  JDatabaseImporterMySQL  An importer object.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getImporter()
	{
		// Make sure we have an importer class for this driver.
		if (!class_exists('JDatabaseImporterMySQL'))
		{
			throw new JDatabaseException(JText::_('JLIB_DATABASE_ERROR_MISSING_IMPORTER'));
		}

		$o = new JDatabaseImporterMySQL;
		$o->setDbo($this);

		return $o;
	}

	/**
	 * Get the number of returned rows for the previous executed SQL statement.
	 *
	 * @param   resource  $cursor  An optional database cursor resource to extract the row count from.
	 *
	 * @return  integer   The number of returned rows.
	 *
	 * @since   11.1
	 */
	public function getNumRows($cursor = null)
	{
		return mysql_num_rows($cursor ? $cursor : $this->cursor);
	}

	/**
	 * Get the current or query, or new JDatabaseQuery object.
	 *
	 * @param   boolean  $new  False to return the last query set, True to return a new JDatabaseQuery object.
	 *
	 * @return  mixed  The current value of the internal SQL variable or a new JDatabaseQuery object.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getQuery($new = false)
	{
		if ($new)
		{
			// Make sure we have a query class for this driver.
			if (!class_exists('JDatabaseQueryMySQL'))
			{
				throw new JDatabaseException(JText::_('JLIB_DATABASE_ERROR_MISSING_QUERY'));
			}
			return new JDatabaseQueryMySQL($this);
		}
		else
		{
			return $this->sql;
		}
	}

	/**
	 * Shows the table CREATE statement that creates the given tables.
	 *
	 * @param   mixed  $tables  A table name or a list of table names.
	 *
	 * @return  array  A list of the create SQL for the tables.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getTableCreate($tables)
	{
		// Initialise variables.
		$result = array();

		// Sanitize input to an array and iterate over the list.
		settype($tables, 'array');
		foreach ($tables as $table)
		{
			// Set the query to get the table CREATE statement.
			$this->setQuery('SHOW CREATE table ' . $this->quoteName($this->escape($table)));
			$row = $this->loadRow();

			// Populate the result array based on the create statements.
			$result[$table] = $row[1];
		}

		return $result;
	}

	/**
	 * Retrieves field information about a given table.
	 *
	 * @param   string   $table     The name of the database table.
	 * @param   boolean  $typeOnly  True to only return field types.
	 *
	 * @return  array  An array of fields for the database table.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getTableColumns($table, $typeOnly = true)
	{
		$result = array();

		// Set the query to get the table fields statement.
		$this->setQuery('SHOW FULL COLUMNS FROM ' . $this->quoteName($this->escape($table)));
		$fields = $this->loadObjectList();

		// If we only want the type as the value add just that to the list.
		if ($typeOnly)
		{
			foreach ($fields as $field)
			{
				$result[$field->Field] = preg_replace("/[(0-9)]/", '', $field->Type);
			}
		}
		// If we want the whole field data object add that to the list.
		else
		{
			foreach ($fields as $field)
			{
				$result[$field->Field] = $field;
			}
		}

		return $result;
	}

	/**
	 * Get the details list of keys for a table.
	 *
	 * @param   string  $table  The name of the table.
	 *
	 * @return  array  An array of the column specification for the table.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getTableKeys($table)
	{
		// Get the details columns information.
		$this->setQuery('SHOW KEYS FROM ' . $this->quoteName($table));
		$keys = $this->loadObjectList();

		return $keys;
	}

	/**
	 * Method to get an array of all tables in the database.
	 *
	 * @return  array  An array of all the tables in the database.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function getTableList()
	{
		// Set the query to get the tables statement.
		$this->setQuery('SHOW TABLES');
		$tables = $this->loadColumn();

		return $tables;
	}

	/**
	 * Get the version of the database connector.
	 *
	 * @return  string  The database connector version.
	 *
	 * @since   11.1
	 */
	public function getVersion()
	{
		return mysql_get_server_info($this->connection);
	}

	/**
	 * Determines if the database engine supports UTF-8 character encoding.
	 *
	 * @return  boolean  True if supported.
	 *
	 * @since   11.1
	 * @deprecated 12.1
	 */
	public function hasUTF()
	{
		JLog::add('JDatabaseMySQL::hasUTF() is deprecated.', JLog::WARNING, 'deprecated');
		return true;
	}

	/**
	 * Method to get the auto-incremented value from the last INSERT statement.
	 *
	 * @return  integer  The value of the auto-increment field from the last inserted row.
	 *
	 * @since   11.1
	 */
	public function insertid()
	{
		return mysql_insert_id($this->connection);
	}

	/**
	 * Locks a table in the database.
	 *
	 * @param   string  $table  The name of the table to unlock.
	 *
	 * @return  JDatabaseMySQL  Returns this object to support chaining.
	 *
	 * @since   11.4
	 * @throws  JDatabaseException
	 */
	public function lockTable($table)
	{
		$this->setQuery('LOCK TABLES ' . $this->quoteName($table) . ' WRITE')->execute();

		return $this;
	}

	/**
	 * Execute the SQL statement.
	 *
	 * @return  mixed  A database cursor resource on success, boolean false on failure.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function execute()
	{
		if (!is_resource($this->connection))
		{
			// Legacy error handling switch based on the JError::$legacy switch.
			// @deprecated  12.1
			if (JError::$legacy)
			{
				if ($this->debug)
				{
					JError::raiseError(500, 'JDatabaseMySQL::query: ' . $this->errorNum . ' - ' . $this->errorMsg);
				}
				return false;
			}
			else
			{
				JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED', $this->errorNum, $this->errorMsg), JLog::ERROR, 'database');
				throw new JDatabaseException($this->errorMsg, $this->errorNum);
			}
		}

		// Take a local copy so that we don't modify the original query and cause issues later
		$sql = $this->replacePrefix((string) $this->sql);
		if ($this->limit > 0 || $this->offset > 0)
		{
			$sql .= ' LIMIT ' . $this->offset . ', ' . $this->limit;
		}

		// If debugging is enabled then let's log the query.
		if ($this->debug)
		{
			// Increment the query counter and add the query to the object queue.
			$this->count++;
			$this->log[] = $sql;

			JLog::add($sql, JLog::DEBUG, 'databasequery');
		}

		// Reset the error values.
		$this->errorNum = 0;
		$this->errorMsg = '';

		// Execute the query.
		$this->cursor = mysql_query($sql, $this->connection);

		// If an error occurred handle it.
		if (!$this->cursor)
		{
			$this->errorNum = (int) mysql_errno($this->connection);
			$this->errorMsg = (string) mysql_error($this->connection) . ' SQL=' . $sql;

			// Legacy error handling switch based on the JError::$legacy switch.
			// @deprecated  12.1
			if (JError::$legacy)
			{
				if ($this->debug)
				{
					JError::raiseError(500, 'JDatabaseMySQL::query: ' . $this->errorNum . ' - ' . $this->errorMsg);
				}
				return false;
			}
			else
			{
				JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED', $this->errorNum, $this->errorMsg), JLog::ERROR, 'databasequery');
				throw new JDatabaseException($this->errorMsg, $this->errorNum);
			}
		}

		return $this->cursor;
	}

	/**
	 * Renames a table in the database.
	 *
	 * @param   string  $oldTable  The name of the table to be renamed
	 * @param   string  $newTable  The new name for the table.
	 * @param   string  $backup    Not used by MySQL.
	 * @param   string  $prefix    Not used by MySQL.
	 *
	 * @return  JDatabase  Returns this object to support chaining.
	 *
	 * @since   11.4
	 * @throws  JDatabaseException
	 */
	public function renameTable($oldTable, $newTable, $backup = null, $prefix = null)
	{
		$this->setQuery('RENAME TABLE ' . $oldTable . ' TO ' . $newTable)->execute();

		return $this;
	}

	/**
	 * Select a database for use.
	 *
	 * @param   string  $database  The name of the database to select for use.
	 *
	 * @return  boolean  True if the database was successfully selected.
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function select($database)
	{
		if (!$database)
		{
			return false;
		}

		if (!mysql_select_db($database, $this->connection))
		{
			// Legacy error handling switch based on the JError::$legacy switch.
			// @deprecated  12.1
			if (JError::$legacy)
			{
				$this->errorNum = 3;
				$this->errorMsg = JText::_('JLIB_DATABASE_ERROR_DATABASE_CONNECT');
				return false;
			}
			else
			{
				throw new JDatabaseException(JText::_('JLIB_DATABASE_ERROR_DATABASE_CONNECT'));
			}
		}

		return true;
	}

	/**
	 * Set the connection to use UTF-8 character encoding.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   11.1
	 */
	public function setUTF()
	{
		return mysql_set_charset('utf8', $this->connection);
	}

	/**
	 * Method to commit a transaction.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function transactionCommit()
	{
		$this->setQuery('COMMIT');
		$this->execute();
	}

	/**
	 * Method to roll back a transaction.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function transactionRollback()
	{
		$this->setQuery('ROLLBACK');
		$this->execute();
	}

	/**
	 * Method to initialize a transaction.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 * @throws  JDatabaseException
	 */
	public function transactionStart()
	{
		$this->setQuery('START TRANSACTION');
		$this->execute();
	}

	/**
	 * Method to fetch a row from the result set cursor as an array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if there are no more rows.
	 *
	 * @since   11.1
	 */
	protected function fetchArray($cursor = null)
	{
		return mysql_fetch_row($cursor ? $cursor : $this->cursor);
	}

	/**
	 * Method to fetch a row from the result set cursor as an associative array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if there are no more rows.
	 *
	 * @since   11.1
	 */
	protected function fetchAssoc($cursor = null)
	{
		return mysql_fetch_assoc($cursor ? $cursor : $this->cursor);
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @param   mixed   $cursor  The optional result set cursor from which to fetch the row.
	 * @param   string  $class   The class name to use for the returned row object.
	 *
	 * @return  mixed   Either the next row from the result set or false if there are no more rows.
	 *
	 * @since   11.1
	 */
	protected function fetchObject($cursor = null, $class = 'stdClass')
	{
		return mysql_fetch_object($cursor ? $cursor : $this->cursor, $class);
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to fetch the row.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	protected function freeResult($cursor = null)
	{
		mysql_free_result($cursor ? $cursor : $this->cursor);
	}

	/**
	 * Diagnostic method to return explain information for a query.
	 *
	 * @return      string  The explain output.
	 *
	 * @since       11.1
	 * @deprecated  12.1
	 */
	public function explain()
	{
		// Deprecation warning.
		JLog::add('JDatabaseMySQL::explain() is deprecated.', JLog::WARNING, 'deprecated');

		// Backup the current query so we can reset it later.
		$backup = $this->sql;

		// Prepend the current query with EXPLAIN so we get the diagnostic data.
		$this->sql = 'EXPLAIN ' . $this->sql;

		// Execute the query and get the result set cursor.
		if (!($cursor = $this->execute()))
		{
			return null;
		}

		// Build the HTML table.
		$first = true;
		$buffer = '<table id="explain-sql">';
		$buffer .= '<thead><tr><td colspan="99">' . $this->getQuery() . '</td></tr>';
		while ($row = $this->fetchAssoc($cursor))
		{
			if ($first)
			{
				$buffer .= '<tr>';
				foreach ($row as $k => $v)
				{
					$buffer .= '<th>' . $k . '</th>';
				}
				$buffer .= '</tr></thead><tbody>';
				$first = false;
			}
			$buffer .= '<tr>';
			foreach ($row as $k => $v)
			{
				$buffer .= '<td>' . $v . '</td>';
			}
			$buffer .= '</tr>';
		}
		$buffer .= '</tbody></table>';

		// Restore the original query to its state before we ran the explain.
		$this->sql = $backup;

		// Free up system resources and return.
		$this->freeResult($cursor);

		return $buffer;
	}

	/**
	 * Execute a query batch.
	 *
	 * @param   boolean  $abortOnError     Abort on error.
	 * @param   boolean  $transactionSafe  Transaction safe queries.
	 *
	 * @return  mixed  A database resource if successful, false if not.
	 *
	 * @deprecated  12.1
	 * @since   11.1
	 */
	public function queryBatch($abortOnError = true, $transactionSafe = false)
	{
		// Deprecation warning.
		JLog::add('JDatabaseMySQL::queryBatch() is deprecated.', JLog::WARNING, 'deprecated');

		$sql = $this->replacePrefix((string) $this->sql);
		$this->errorNum = 0;
		$this->errorMsg = '';

		// If the batch is meant to be transaction safe then we need to wrap it in a transaction.
		if ($transactionSafe)
		{
			$sql = 'START TRANSACTION;' . rtrim($sql, "; \t\r\n\0") . '; COMMIT;';
		}
		$queries = $this->splitSql($sql);
		$error = 0;
		foreach ($queries as $query)
		{
			$query = trim($query);
			if ($query != '')
			{
				$this->cursor = mysql_query($query, $this->connection);
				if ($this->debug)
				{
					$this->count++;
					$this->log[] = $query;
				}
				if (!$this->cursor)
				{
					$error = 1;
					$this->errorNum .= mysql_errno($this->connection) . ' ';
					$this->errorMsg .= mysql_error($this->connection) . " SQL=$query <br />";
					if ($abortOnError)
					{
						return $this->cursor;
					}
				}
			}
		}
		return $error ? false : true;
	}

	/**
	 * Unlocks tables in the database.
	 *
	 * @return  JDatabaseMySQL  Returns this object to support chaining.
	 *
	 * @since   11.4
	 * @throws  JDatabaseException
	 */
	public function unlockTables()
	{
		$this->setQuery('UNLOCK TABLES')->execute();

		return $this;
	}
}
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