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<?php /** * Data Dictionary for MySQL. * * This file is part of ADOdb, a Database Abstraction Layer library for PHP. * * @package ADOdb * @link https://adodb.org Project's web site and documentation * @link https://github.com/ADOdb/ADOdb Source code and issue tracker * * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option, * any later version. This means you can use it in proprietary products. * See the LICENSE.md file distributed with this source code for details. * @license BSD-3-Clause * @license LGPL-2.1-or-later * * @copyright 2000-2013 John Lim * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community */ // security - hide paths if (!defined('ADODB_DIR')) die(); class ADODB2_mysql extends ADODB_DataDict { var $databaseType = 'mysql'; var $alterCol = ' MODIFY COLUMN'; var $alterTableAddIndex = true; var $dropTable = 'DROP TABLE IF EXISTS %s'; // requires mysql 3.22 or later var $dropIndex = 'DROP INDEX %s ON %s'; var $renameColumn = 'ALTER TABLE %s CHANGE COLUMN %s %s %s'; // needs column-definition! public $blobAllowsNotNull = true;< function MetaType($t,$len=-1,$fieldobj=false)> function metaType($t,$len=-1,$fieldobj=false){ if (is_object($t)) { $fieldobj = $t; $t = $fieldobj->type; $len = $fieldobj->max_length; } $is_serial = is_object($fieldobj) && $fieldobj->primary_key && $fieldobj->auto_increment; $len = -1; // mysql max_length is not accurate< switch (strtoupper($t)) {> > $t = strtoupper($t); > > if (array_key_exists($t,$this->connection->customActualTypes)) > return $this->connection->customActualTypes[$t]; > > switch ($t) { >case 'STRING': case 'CHAR': case 'VARCHAR': case 'TINYBLOB': case 'TINYTEXT': case 'ENUM': case 'SET': if ($len <= $this->blobSize) return 'C'; case 'TEXT': case 'LONGTEXT': case 'MEDIUMTEXT': return 'X'; // php_mysql extension always returns 'blob' even if 'text' // so we have to check whether binary... case 'IMAGE': case 'LONGBLOB': case 'BLOB': case 'MEDIUMBLOB': return !empty($fieldobj->binary) ? 'B' : 'X'; case 'YEAR': case 'DATE': return 'D'; case 'TIME': case 'DATETIME': case 'TIMESTAMP': return 'T'; case 'FLOAT': case 'DOUBLE': return 'F'; case 'INT': case 'INTEGER': return $is_serial ? 'R' : 'I'; case 'TINYINT': return $is_serial ? 'R' : 'I1'; case 'SMALLINT': return $is_serial ? 'R' : 'I2'; case 'MEDIUMINT': return $is_serial ? 'R' : 'I4'; case 'BIGINT': return $is_serial ? 'R' : 'I8';< default: return ADODB_DEFAULT_METATYPE;> default: > > return ADODB_DEFAULT_METATYPE;} } function ActualType($meta) {< switch(strtoupper($meta)) {> > $meta = strtoupper($meta); > > /* > * Add support for custom meta types. We do this > * first, that allows us to override existing types > */ > if (isset($this->connection->customMetaTypes[$meta])) > return $this->connection->customMetaTypes[$meta]['actual']; > > switch($meta) > { >case 'C': return 'VARCHAR'; case 'XL':return 'LONGTEXT'; case 'X': return 'TEXT'; case 'C2': return 'VARCHAR'; case 'X2': return 'LONGTEXT'; case 'B': return 'LONGBLOB'; case 'D': return 'DATE'; case 'TS': case 'T': return 'DATETIME'; case 'L': return 'TINYINT'; case 'R': case 'I4': case 'I': return 'INTEGER'; case 'I1': return 'TINYINT'; case 'I2': return 'SMALLINT'; case 'I8': return 'BIGINT'; case 'F': return 'DOUBLE'; case 'N': return 'NUMERIC';>default:>return $meta; } } // return string must begin with space function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned) { $suffix = ''; if ($funsigned) $suffix .= ' UNSIGNED'; if ($fnotnull) $suffix .= ' NOT NULL'; if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault"; if ($fautoinc) $suffix .= ' AUTO_INCREMENT'; if ($fconstraint) $suffix .= ' '.$fconstraint; return $suffix; } /* CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] [table_options] [select_statement] create_definition: col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT] [PRIMARY KEY] [reference_definition] or PRIMARY KEY (index_col_name,...) or KEY [index_name] (index_col_name,...) or INDEX [index_name] (index_col_name,...) or UNIQUE [INDEX] [index_name] (index_col_name,...) or FULLTEXT [INDEX] [index_name] (index_col_name,...) or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...) [reference_definition] or CHECK (expr) */ /* CREATE [UNIQUE|FULLTEXT] INDEX index_name ON tbl_name (col_name[(length)],... ) */ function _IndexSQL($idxname, $tabname, $flds, $idxoptions) { $sql = array(); if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) { if ($this->alterTableAddIndex) $sql[] = "ALTER TABLE $tabname DROP INDEX $idxname"; else $sql[] = sprintf($this->dropIndex, $idxname, $tabname); if ( isset($idxoptions['DROP']) ) return $sql; } if ( empty ($flds) ) { return $sql; } if (isset($idxoptions['FULLTEXT'])) { $unique = ' FULLTEXT'; } elseif (isset($idxoptions['UNIQUE'])) { $unique = ' UNIQUE'; } else { $unique = ''; } if ( is_array($flds) ) $flds = implode(', ',$flds); if ($this->alterTableAddIndex) $s = "ALTER TABLE $tabname ADD $unique INDEX $idxname "; else $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname; $s .= ' (' . $flds . ')'; if ( isset($idxoptions[$this->upperName]) ) $s .= $idxoptions[$this->upperName]; $sql[] = $s; return $sql; } }