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Difference between revisions of "JDatabaseMySQL/query"

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< API16:JDatabaseMySQL
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===Syntax===
 
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===Examples===
 
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[[Category:Archived pages API16]]

Latest revision as of 22:01, 12 May 2013

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This Namespace has been archived - Please Do Not Edit or Create Pages in this namespace. Pages contain information for a Joomla! version which is no longer supported. It exists only as a historical reference, will not be improved and its content may be incomplete.

Contents

Description

Execute the query

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Syntax

query()


Returns

mixed A database resource if successful, FALSE if not.

Defined in

libraries/joomla/database/database/mysql.php

Importing

jimport( 'joomla.database.database.mysql' );

Source Body

public function query()
{
        if (!is_resource($this->_connection)) {
                return false;
        }
 
        // 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.', '.$this->_limit;
        }
        if ($this->_debug) {
                $this->_ticker++;
                $this->_log[] = $sql;
        }
        $this->_errorNum = 0;
        $this->_errorMsg = '';
        $this->_cursor = mysql_query($sql, $this->_connection);
 
        if (!$this->_cursor) {
                $this->_errorNum = mysql_errno($this->_connection);
                $this->_errorMsg = mysql_error($this->_connection)." SQL=$sql";
 
                if ($this->_debug) {
                        JError::raiseError(500, 'JDatabaseMySQL::query: '.$this->_errorNum.' - '.$this->_errorMsg);
                }
                return false;
        }
        return $this->_cursor;
}

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Examples

<CodeExamplesForm />