Prefix not added to all table names in rawQuery ?

[unnathianalytics]

$db->new MySqliDB('root','password','database','prefix_demo_');

$db->rawQuery(
"SELECT col1, col2 FROM tbl_accounts

UNION

SELECT  col3, col4 FROM tbl_jobcards 

UNION

SELECT  col5, col6 FROM tbl_purcsale ");

And my table prefix is prefix_demo_

Now it is only adding prefix to tbl_accounts table only.

How can I resolve this ?

[RyadPasha]

The rawAddPrefix function has many bugs, first thing is that only the first table in the query gets prefixed, (so if using query with a JOIN clause for example only first table will get prefixed), also a lot of statements such as (DROP TABLE, TRUNCATE TABLE, CREATE TABLE, LOCK TABLE, FLASHBACK TABLE, ALTER TABLE, ANALYZE TABLE, DESCRIBE and EXPLAIN) are not supported ..
You can fix all these bug by replacing that function with mines:

/**
 * Prefix add raw SQL query.
 *
 * @author Mohamed Riyad <https://github.com/RyadPasha>
 * @param string $query User-provided query to execute.
 * @return string Contains the returned rows from the query.
 */
public function rawAddPrefix($query){
    $query = preg_replace(['/[\r\n]+/', '/\s+/'], ' ', $query); // Replace multiple line breaks/spaces with a single space
    if (preg_match_all("/(FROM|INTO|UPDATE|JOIN|DROP TABLE|TRUNCATE TABLE|CREATE TABLE|LOCK TABLE|FLASHBACK TABLE|ALTER TABLE|ANALYZE TABLE|DESCRIBE|EXPLAIN) [\\'\\´\\`]?(?!SELECT|DELETE|INSERT|REPLACE|UPDATE)([a-zA-Z0-9_-]+)[\\'\\´\\`]?/i", $query, $matches)) {
        for ($i = 0; $i < count($matches[0]); $i++) {
            list($from_table, $from, $table) = $matches;
            $query = str_replace($table[$i], self::$prefix.$table[$i], $query);
        }
    }
    return $query;
}