我对常见问题解答搜索模块进行了以下查询,修改后可在 Drupal 7 中使用, 它在两个表中搜索:1) 标题 2) 正文,但无法再包含一个表。
$term = strip_tags(drupal_substr($_POST['keyword'], 0, 100));
$query = "SELECT DISTINCT fq.title, fq.nid
FROM {node} AS fq, {field_data_body} AS f
WHERE fq.title LIKE :term
OR fq.type LIKE :term
OR f.body_value LIKE :term
AND f.entity_id = fq.nid";
$result = db_query($query, array(':term' => '%%' . $term . '%%',':term' => '%%' . $term . '%%',':term' => '%%' . $term . '%%'));
我想再添加一个以在搜索中包含详细问题字段,但我认为 nid 的链接是问题所在?我尝试将两者都放入一个子句中,但似乎是错误的。请帮忙:)
AND (fd.entity_id = fq.nid OR fb.entity_id = fq.nid)";
$term = strip_tags(drupal_substr($_POST['keyword'], 0, 100));
$query = "SELECT DISTINCT fq.title, fq.nid
FROM {node} AS fq, {field_data_field_detailed_question} AS fd, {field_data_body} AS fb
WHERE fq.title LIKE :term
OR fd.field_detailed_question_value LIKE :term
OR fb.body_value LIKE :term
AND (fd.entity_id = fq.nid OR fb.entity_id = fq.nid)";
$result = db_query($query, array(':term' => '%%' . $term . '%%',':term' => '%%' . $term . '%%',':term' => '%%' . $term . '%%'));
$string = "";
while ($row = $result->fetchObject()) {
$string .= "<a href='/" . drupal_get_path_alias('node/' . $row->nid) . "'>" . $row->title . "</a>";
}
echo $string;
更新:感谢 Syscall 帮助我使他的方法发挥作用(请参阅聊天)。
我还设法删除了空空格(通过添加新变量并使用 array_filter > 我猜问题是在 array_map 仍然创建空字符串的同时分割空格和修剪。)并添加一个条件来排除未发布的节点通过 db_and() 引用 n.status = 1。
$terms = explode(' ', $term); // split using ' '
$terms = array_map('trim', $terms); // remove unwanted spaces
$termsfiltered = array_filter($terms);
$or = db_or();
foreach ($termsfiltered as $term) {
$or->condition('fd.field_detailed_question_value', '%'.db_like($term).'%', 'LIKE');
$or->condition('fb.body_value','%'.db_like($term).'%' , 'LIKE');
$or->condition('n.title','%'.db_like($term).'%' , 'LIKE');
}
$and = db_and()->condition('n.status','1' , 'LIKE');
$query = db_select('node', 'n');
$query->fields('n');
$query->leftJoin('field_data_body' , 'fb', 'fb.entity_id=n.nid');
$query->leftJoin('field_data_field_detailed_question' ,'fd', 'fd.entity_id=n.nid');
$query->condition($or);
$query->condition($and);
$stmt = $query->execute(); // execute the query (returns the "statement" to fetch).
附:插入 var_dump($variabletodump); 在更改代码和查看数组效果以解决问题时确实很有帮助。
最佳答案
您无法在 Drupal 查询中链接 leftJoin
(或任何 join
),因为 leftJoin()
返回别名,而不是查询。那么你应该使用execute()
“运行”查询。
$or = db_or()
->condition('fd.field_detailed_question_value', '%'.db_like($term ).'%', 'LIKE')
->condition('fb.body_value','%'.db_like($term ).'%' , 'LIKE');
$query = db_select('node', 'n');
$query->fields('n');
$query->leftJoin('field_data_body' , 'fb', 'fb.entity_id=n.nid');
$query->leftJoin('field_data_field_detailed_question' ,'fd', 'fd.entity_id=n.nid');
$query->condition($or);
$stmt = $query->execute(); // execute the query (returns the "statement" to fetch).
while ($row = $stmt->fetchObject()) {
//..
}
您必须添加字段:
$query = db_select('node', 'n')->fields('n');
或
$query = db_select('node', 'n')
->addField('n','title')
->addField('n','nid');
关于mysql - drupal sql 多个表的条件子句?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49676437/