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See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
<?php

/**
< @version v5.20.16 12-Jan-2020
> @version v5.21.0 2021-02-27
@copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved. @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community Released under both BSD license and Lesser GPL library license. Whenever there is any discrepancy between the two licenses, the BSD license will take precedence. Set tabs to 4 for best viewing. */ // 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) >
{
>
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)) { 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 $is_serial ? 'R' : 'I8';
< default: return 'N';
> default: return ADODB_DEFAULT_METATYPE;
} } function ActualType($meta) { switch(strtoupper($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; } }