php - Mysql inner join doesn't work on Mysql 5.1 -

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it works correctly on local server (mysql 5.5) doesn't work on remote server (mysql 5.1)

$dati = mysql_query("      select      *             $tb_liguria      join        $tb_piemonte on $tb_piemonte.piemonte_data = $tb_liguria.liguria_data     join        $tb_paca on $tb_paca.paca_data = $tb_liguria.liguria_data     join        $tb_rhonealpes on $tb_rhonealpes.rhonealpes_data = $tb_liguria.liguria_data           $tb_liguria.liguria_data >= '$datainizio' , $tb_liguria.liguria_data <= '$datafine'     order       $tb_liguria.liguria_data  ");

i tried nothing has changed

$dati = mysql_query("      select      *             $tb_liguria      join        ($tb_piemonte, $tb_paca, $tb_rhonealpes)     on          ($tb_liguria.liguria_data=$tb_piemonte.piemonte_data , $tb_liguria.liguria_data=$tb_paca.paca_data , $tb_liguria.liguria_data=$tb_rhonealpes.rhonealpes_data)           ($tb_liguria.liguria_data >= '$datainizio' , $tb_liguria.liguria_data <= '$datafine')     order    $tb_liguria.liguria_data  ");

solved!

adding before query:

$setupmysql = mysql_query(" set option sql_big_selects = 1 " ) or die(mysql_error());

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