C:/xampp/htdocs/moodle/lib/dml/database_column_info.php

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<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.


defined('MOODLE_INTERNAL') || die();

class database_column_info {
    public $name;

    public $type;

    public $max_length;

    public $scale;

    public $enums;

    public $not_null;

    public $primary_key;

    public $auto_increment;

    public $binary;

    public $unsigned;

    public $has_default;

    public $default_value;

    public $unique;

    public $meta_type;

    public function __construct($data) {
        foreach ($data as $key=>$value) {
            if (property_exists($this, $key)) {
                $this->$key = $value;
            }
        }

        switch ($this->meta_type) {
            case 'R': // normalise counters (usually 'id')
                $this->auto_increment = true;
                $this->binary         = false;
                $this->has_default    = false;
                $this->default_value  = null;
                $this->unique         = true;
                break;
            case 'C':
                $this->auto_increment = false;
                $this->binary         = false;
                break;
        }
    }
}