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[英]Get all posts that have a custom field value with meta key and loop the query results from another field value
[英]Query to get a all tags field values and pour all value in field
更新:我需要獲取標簽字段的所有值!
我的查詢:
$query = db_select('node', 'node');
$query->fields('tagsdata',array('name'));
$query->fields('node', array('nid'));
$query->leftJoin('field_data_field_tags', 'tags', 'tags.entity_id = node.nid');
$query->leftJoin('taxonomy_index', 'tagsindex', 'tagsindex.nid = tags.entity_id');
$query->leftJoin('taxonomy_term_data','tagsdata','tagsdata.tid = tags.field_tags_tid AND node.nid = tagsindex.nid');
$result = $query->execute();
while( $record = $result->fetchAssoc() ) {
$items[] = $record;
}
和我的代碼:
//SORT
array_multisort(array_column($items, 'nid'), $items);
foreach ($items as $row) {
$hash[$row[nid]] = $row;
}
$resultfinal = ($hash);
// END SORT
foreach($resultfinal as $finalarrays)
{
$tags=$finalarrays['name'];
print_R ($tags);
}
使用上面的代碼只是返回標簽的第一個和第一個值,我需要打印所有標簽!
您可以使用GROUP_CONCAT mysql函數來獲取所有由逗號引起的值:
$result = db_query("SELECT tags.entity_id as nid, GROUP_CONCAT(t.name) as tdata FROM field_data_field_tags
INNER JOIN taxonomy_term_data t ON t.tid = tags.field_tags_tid
WHERE tags.entity_type = :type GROUP BY tags.entity_id",
array(':type' => 'node'))->fetchAllKeyed();
注意:有時您需要連接的字符串太多,因此需要在以下之前增加限制:
db_query('SET SESSION group_concat_max_len=10000');
$result = db_query("SELECT tags.entity_id as nid, GROUP_CONCAT(t.name) as tdata FROM field_data_field_tags
INNER JOIN taxonomy_term_data t ON t.tid = tags.field_tags_tid
WHERE tags.entity_type = :type GROUP BY tags.entity_id",
array(':type' => 'node'))->fetchAllKeyed();
https://dev.mysql.com/doc/refman/5.7/en/group-by-functions.html#function_group-concat
foreach($result as $nid => $tags) {
echo $nid . ' : '.$tags;
}
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