Executed SQL (First Query):

SELECT p.product_id,
            (SELECT price FROM ti9jo39em_product_special ps WHERE ps.product_id = p.product_id AND ps.customer_group_id = '1' AND ((ps.date_start = '0000-00-00' OR ps.date_start < NOW()) AND (ps.date_end = '0000-00-00' OR ps.date_end > NOW())) ORDER BY ps.priority ASC, ps.price ASC LIMIT 1) AS special,
            (SELECT price FROM ti9jo39em_product_discount pd2 WHERE pd2.product_id = p.product_id AND pd2.customer_group_id = '1' AND pd2.quantity = '1' AND ((pd2.date_start = '0000-00-00' OR pd2.date_start < NOW()) AND (pd2.date_end = '0000-00-00' OR pd2.date_end > NOW())) ORDER BY pd2.priority ASC, pd2.price ASC LIMIT 1) AS discount,
            (MATCH(pd.name, pd.description) AGAINST('+razer' IN BOOLEAN MODE) + MATCH(p.model) AGAINST('+razer' IN BOOLEAN MODE)) AS relevance
            FROM ti9jo39em_product p 
            LEFT JOIN ti9jo39em_product_description pd ON (p.product_id = pd.product_id) 
            LEFT JOIN ti9jo39em_product_to_store p2s ON (p.product_id = p2s.product_id) 
            WHERE pd.language_id IN (1,2) 
                AND p.status = '1' 
                AND p.date_available <= NOW() 
                AND p2s.store_id = '0'
                AND p.quantity > 0
                AND (MATCH(pd.name, pd.description) AGAINST('+razer' IN BOOLEAN MODE) OR MATCH(p.model) AGAINST('+razer' IN BOOLEAN MODE))
            GROUP BY p.product_id ORDER BY (CASE WHEN special IS NOT NULL THEN special WHEN discount IS NOT NULL THEN discount ELSE p.price END) ASC, LCASE(pd.name) ASC LIMIT 0,20

Number of Rows Returned:

Raw Results:

array(20) {
  [0]=>
  array(4) {
    ["product_id"]=>
    string(4) "5789"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [1]=>
  array(4) {
    ["product_id"]=>
    string(5) "11441"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "37.82850646972656"
  }
  [2]=>
  array(4) {
    ["product_id"]=>
    string(5) "11444"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "37.82850646972656"
  }
  [3]=>
  array(4) {
    ["product_id"]=>
    string(6) "393125"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [4]=>
  array(4) {
    ["product_id"]=>
    string(4) "5792"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [5]=>
  array(4) {
    ["product_id"]=>
    string(5) "11446"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "37.82850646972656"
  }
  [6]=>
  array(4) {
    ["product_id"]=>
    string(5) "11449"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "37.82850646972656"
  }
  [7]=>
  array(4) {
    ["product_id"]=>
    string(6) "233287"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(18) "15.131402969360352"
  }
  [8]=>
  array(4) {
    ["product_id"]=>
    string(6) "233288"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(18) "15.131402969360352"
  }
  [9]=>
  array(4) {
    ["product_id"]=>
    string(3) "424"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(14) "68.09130859375"
  }
  [10]=>
  array(4) {
    ["product_id"]=>
    string(3) "425"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(14) "68.09130859375"
  }
  [11]=>
  array(4) {
    ["product_id"]=>
    string(6) "235159"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [12]=>
  array(4) {
    ["product_id"]=>
    string(4) "5794"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [13]=>
  array(4) {
    ["product_id"]=>
    string(5) "11447"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "37.82850646972656"
  }
  [14]=>
  array(4) {
    ["product_id"]=>
    string(5) "11448"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "37.82850646972656"
  }
  [15]=>
  array(4) {
    ["product_id"]=>
    string(3) "426"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(14) "68.09130859375"
  }
  [16]=>
  array(4) {
    ["product_id"]=>
    string(6) "686879"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [17]=>
  array(4) {
    ["product_id"]=>
    string(6) "301472"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [18]=>
  array(4) {
    ["product_id"]=>
    string(6) "259906"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
  [19]=>
  array(4) {
    ["product_id"]=>
    string(6) "685228"
    ["special"]=>
    NULL
    ["discount"]=>
    NULL
    ["relevance"]=>
    string(17) "7.565701484680176"
  }
}