API16

JDatabaseQuery/clear

< API16:JDatabaseQuery

The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.

Description

Clear data from the query or a specific clause of the query.


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Syntax

clear($clause=null)
Parameter Name Default Value Description
$clause null Optionally, the name of the clause to clear, or nothing to clear the whole query.

Defined in

libraries/joomla/database/databasequery.php

Importing

jimport( 'joomla.database.databasequery' );

Source Body

public function clear($clause = null)
{
        switch ($clause) {
                case 'select':
                        $this->_select = null;
                        $this->_type = null;
                        break;
                case 'delete':
                        $this->_delete = null;
                        $this->_type = null;
                        break;
                case 'update':
                        $this->_update = null;
                        $this->_type = null;
                        break;
                case 'insert':
                        $this->_insert = null;
                        $this->_type = null;
                        break;
                case 'from':
                        $this->_from = null;
                        break;
                case 'join':
                        $this->_join = null;
                        break;
                case 'set':
                        $this->_set = null;
                        break;
                case 'where':
                        $this->_where = null;
                        break;
                case 'group':
                        $this->_group = null;
                        break;
                case 'having':
                        $this->_having = null;
                        break;
                case 'order':
                        $this->_order = null;
                        break;
                default:
                        $this->_type = null;
                        $this->_select = null;
                        $this->_delete = null;
                        $this->_udpate = null;
                        $this->_insert = null;
                        $this->_from = null;
                        $this->_join = null;
                        $this->_set = null;
                        $this->_where = null;
                        $this->_group = null;
                        $this->_having = null;
                        $this->_order = null;
                        break;
        }

        return $this;
}


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Examples

Code Examples


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