This question already has an answer here:
- How to limit values when using distinct 4 answers
PHP
$sql = "SELECT DISTINCT bk.title AS Title, bk.year AS Year, bk.publisher AS Publisher, aut.authorname AS Author
FROM book bk
JOIN book_category bk_cat
ON bk_cat.book_id = bk.bookid
JOIN categories cat
ON cat.id = bk_cat.category_id
JOIN books_authors bk_aut
ON bk_aut.book_id = bk.bookid
JOIN authors aut
ON aut.id = bk_aut.author_id";
if (isset($_GET['searchInput'])){
$getters = array();
$queries = array();
foreach ($_GET as $key => $value) {
$temp = is_array($value) ? $value : trim($value);
if (!empty($temp)){
if (!in_array($key, $getters)){
$getters[$key] = $value;
}
}
}
if (!empty($getters)) {
foreach($getters as $key => $value){
${$key} = $value;
switch ($key) {
case 'searchInput':
array_push($queries,"(bk.title LIKE '%$searchInput%'
|| bk.description LIKE '%$searchInput%' || bk.isbn LIKE '%$searchInput%'
|| bk.keywords LIKE '%$searchInput%' || aut.authorname LIKE '%$searchInput%')");
break;
case 'srch_publisher':
array_push($queries, "(bk.publisher = $srch_publisher)");
break;
case 'srch_author':
array_push($queries, "(bk_aut.author_id = $srch_author)");
break;
}
}
}
if(!empty($queries)){
$sql .= " WHERE ";
$i = 1;
foreach ($queries as $query) {
if($i < count($queries)){
$sql .= $query." AND ";
} else {
$sql .= $query;
}
$i++;
}
}
$sql .= " ORDER BY bk.title ASC";
}
HTML
<?php if($tot_rows > 0) { ?>
<table id="tbl_repeat">
<tr>
<th scope="col" class="bookTitle">Book Title</th>
<th scope="col">Author</th>
<th scope="col">Publisher</th>
</tr>
<?php do{ ?>
<tr>
<td class="bookTitle"><a href=""><?php echo $rows['Title']; ?></a></td>
<td><?php echo $rows['Author']; ?></td>
<td><?php echo $rows['Publisher']; ?></td>
</tr>
<?php } while ($rows = mysql_fetch_assoc($rs)); ?>
</table>
<?php }
else {
if (!empty($queries)){
echo "<p>There are no records matching your search criteria.</p>";
} else {
echo "<p>There are currently no records available.</p>";
}
}
?>
</div>
As you can see from the image it shows the book twice with two authors, as you know books can have many authors so i am trying to figure out how it would just show one or the first one it finds related to that book.
</div>