( SELECT * FROM ( SELECT comment_author, comment_post_id, comment_author_url FROM wp_comments WHERE...具体代码： function sofa(){ global $wpdb; $first_commentors = array(); //初始化沙发党数组 $q = "SELECT DISTINCT...comment_post_id FROM $wpdb->comments WHERE comment_type ='' AND user_id = 0 AND comment_approved = '...as $have_comment_post_id){ $q = "SELECT comment_author FROM $wpdb->comments WHERE comment_type =''...comment_author_url FROM $wpdb->comments WHERE comment_type ='' AND user_id = 0 AND comment_approved
* from "....invitation_code where code='$code'"; $result = $wpdb->get_results($sql); if(!...* from "....invitation_code limit $begin,$end"; $results = $wpdb->get_results($sql,'ARRAY_A'); return $results...invitation_code where id='$id'"; } if($action =='deactive'){ $sql = "update ".
= DB::fetch_all(‘SELECT * FROM %t’,array(‘table_name’)); $result为二维数组 2、fetch_first DB::fetch_first(...sql, $arg = array());//取出符合条件的第一条数据 例：$result = DB::fetch_first(‘SELECT * FROM %t ‘, array(‘table_name...’)); $result为一维数组 二、discuz数据操作之增： DB::insert(参数一,参数二,参数三); /* 参数一：table_name 参数二：以对应数据表中的字段为key，具体数值为...： DB::delete(参数一,参数二); /* 参数一：table_name 参数二：删除的where条件 */ 例：$sql = ‘id = ‘....* FROM %t WHERE st !
()){ //从$wids数组弹出一个元素(实际上是一个位置) $places=array_shift($wids); //如果位置字串是以/结尾的，则去掉/ if(substr...$wpdb->comments.comment_post_ID=$wpdb->posts.ID) WHERE comment_approved=\"1\" AND comment_type=\"\" AND...$wpdb->comments.comment_post_ID=$wpdb->posts.ID) WHERE comment_approved=\"1\" AND comment_type=\"\" AND...ID, post_title, COUNT($wpdb->comments.comment_post_ID) AS \"comment_count\" FROM $wpdb->posts, $wpdb...->comments"; $request .= " WHERE comment_approved=\"1\" AND $wpdb->posts.ID=$wpdb->comments.comment_post_ID
column_name,column_name FROM table_name [WHERE Clause] [OFFSET M ][LIMIT N] 查询语句中你可以使用一个或者多个表，表之间使用逗号...MYSQL_ASSOC这个返回的数组是以数据表中的字段为键的,而MYSQL_NUM是以数字为键的 记住如果你需要在字符串中使用变量，请将变量置于花括号中。...PHP mysql_fetch_array()函数第二个参数为MYSQL_ASSOC， 设置该参数查询结果返回关联数组，你可以使用字段名称来作为数组的索引。...php语法： $sql = 'DELETE FROM runoob_tbl WHERE runoob_id=3'; mysql_select_db('RUNOOB'); $retval...分组 GROUP BY sql语法： SELECT column_name, function(column_name) FROM table_name WHERE column_name operator
= $_POST['post_id']; $titles = "SELECT post_title FROM $wpdb->posts WHERE post_status = 'publish...= {$post_id} "; $results = $wpdb->get_results($titles); if($results) { echo "SELECT post_title FROM $wpdb->posts WHERE post_status = 'publish' AND post_type...= {$post_id} " ; $wresults = $wpdb->get_results( $wtitles ) ; if ( $wresults ){ $wpdb-...>update( $wpdb->posts, array( 'post_status' => 'draft' ), array( 'ID' => $post ) ) ;
三个函数为提交订单信息获取支付链接，异步通知处理，同步跳转处理函数。...//对数组排序 ksort($srcArray); //生成待签名字符串...) { if($val === null || $val === "" ){ //值为空的跳过...#后续处理 $check_query = $wpdb->get_results...("SELECT order_id FROM {$wpdb->prefix}okpay_data WHERE mref = '".addslashes($mref)
$query = mysql_query("select COLUMN_NAME from information_schema.COLUMNS where TABLE_NAME..."; /* 如果是update语句，则返回一个数字 如果是select语句，则返回一个结果集，比如：Resource id #6...,'Resource'); //select COLUMN_NAME from information_schema....`COLUMNS` where TABLE_NAME = 'tm_users'; //根据sql语句获取表名 $arr = split(" ",$sql...`COLUMNS` where TABLE_NAME = '$tableName'") or die("sql报错，错误信息为 ======> ".mysql_error
){ global $wpdb; $count = $wpdb->get_var(' SELECT COUNT(comment_ID) FROM ' ....$wpdb->comments. ' WHERE user_id="' . $user_id . '"'); return $count ?...("SELECT * FROM $wpdb->postmeta WHERE meta_key='views'"); foreach($views as $key=>$value){...){ global $wpdb; $count = $wpdb->get_var(' SELECT COUNT(comment_ID) FROM ' ....("SELECT * FROM $wpdb->postmeta WHERE meta_key='views'"); foreach($views as $key=>$value){ $meta_value
SELECT column_name(s) FROM table_name order by关键词用于对于记录集中的数据进行排序 SELECT column_name(s) FROM table_name...ORDER BY column_name SELECT column_name(s) FROM table_name ORDER BY column_name DESC UPDATE table_name...WHERE some_column=some_value DELETE FROM table_name WHERE some_column = some_value 连接到ODBC odbc_connect...() 创建数组 array_change_key_case() 返回均为大写或小写的数组 array_chunk() 把一个数组分割为新的数组块 array_column() 返回输入数组中某个单一列的值...* from tb_user where user = '".
TO STDOUT 的方式在只读 PostgreSQL 事务中运行，每次 SELECT 查询后提交。简单的 WHERE 子句，如=，！...PostgreSQL 的 Array 类型会被转换为 ClickHouse 数组。... where>id=10where> SQL_QUERYid, str, "float") VALUES (1,'test',2);INSERT 0 1postgresql> SELECT * FROM test...* FROM postgresql_table WHERE str IN ('test');┌─float_nullable─┬─str──┬─int_id─┐│ ᴺᵁᴸᴸ │ test
* FRAOM table_name; SELECT column_name,column_name FROM table_name [WHERE Clause] [OFFSET M ][LIMIT...UPDATE table_name SET field1=new-value1, field2=new-value2 [WHERE Clause] 更新数据表中 runoob_id 为 3 的 runoob_author...以下是我们将 runoob_tbl 表中获取 runoob_author 字段中以 COM 为结尾的的所有记录： SELECT * from runoob_tbl WHERE runoob_author...尝试以下实例，以 runoob_tbl 为左表，tcount_tbl 为右表，理解 MySQL LEFT JOIN 的应用： SELECT a.runoob_id, a.runoob_author,...() 这两个函数，返回的都是一个数组，区别就是第一个函数返回的数组是只包含值，我们只能$row[0],$row[1],这样以数组下标来读取数据， 而mysql_fetch_array()返回的数组既包含第一种
虽然PostgreSQL提供了`unnest`函数用于将数组展开成行，但它真正的功能是`flatten`，会拍平深层的结构。...假设策略数组的名称是 `strategy`，则展开+排序的代码如下： select strategy[i][1] as id, strategy[i][2] as amount from generate_series...n + 3 from foo where n < 5 ) select * from foo; 这段递归查询代码功能等价于以下迭代的 Python 代码： (queue, foo) = ([1, 3,..., 1) < 5 ) select 5 + 1 - strategy[i][1] as id, strategy[i][2] as amount from ( select strategy...from spoils where array_length(strategy, 1) = 5 ) as t order by id; 执行结果如下，并且性能也不错，在我本地测试只需要
( ‘tag__in’ => array($first_tag), ‘post__not_in’ => array($post->ID), ‘showposts’=>10, ‘caller_get_posts...php echo $wpdb->get_var(“SELECT COUNT(*) FROM $wpdb->comments”);?> 4、成立时间： get_var(“SELECT COUNT(*) FROM $wpdb->links WHERE link_visible = ‘Y’”); echo $link;...php $users = $wpdb->get_var(“SELECT COUNT(ID) FROM $wpdb->users”); echo $users; ?> 10、最后更新： get_results(“SELECT MAX(post_modified) AS MAX_m FROM $wpdb->posts WHERE (post_type
$post_tag), 'category__not_in' => array(NULL), // 不包括的分类ID 'post__not_in' => array($post->ID), 'showposts..., 0, strlen($tag_list)-1); $related_posts = $wpdb->get_results(" SELECT DISTINCT ID, post_title FROM...$post->ID . "' ORDER BY RAND() LIMIT 6"); // 以上代码中的 6 为限制只获取6篇相关文章 // 通过修改数字 6，可修改你想要的文章数量 if ( $related_posts...(" SELECT post_title, ID FROM {$wpdb->prefix}posts, {$wpdb->prefix}term_relationships, {$wpdb->prefix...}term_taxonomy WHERE {$wpdb->prefix}posts.ID = {$wpdb->prefix}term_relationships.object_id AND {$wpdb
COUNT(ID) FROM `wp_posts` WHERE `post_author` = $userid AND post_type= 'post' ...("SELECT ID,display_name FROM `wp_users`");$useridnamenum = count($useridname);$chengyuan=array();for...$args){ $arr = array_shift($args); // 取到要排序的数组，剩下的为要排序的键和排序类型 $sort_arg = []; ...', $arg); // 我设定参数里面多维数组下的键，用‘.’连接下级的键，这里得到键，然后下面循环取得数组$arr里面该键对应的值 foreach($arg as $...sort_arg[] = $arg; // 排序方法SORT_ASC、SORT_DESC等 } } $sort_arg[] = &$arr; // 这个数组大致结构为
arg = rtrim($arg, '&'); return $arg; } function paraFilter($para) { $para_filter = array...$statustr = $this->easylink_processing; $check_query = $wpdb->get_results...("SELECT order_id,order_state,mref FROM {$wpdb->prefix}easylink_data WHERE sref = '".addslashes($sref...true)); $mref = $_GET['mref']; sleep(1); $check_query = $wpdb->get_results...("SELECT order_id,order_state FROM {$wpdb->prefix}easylink_data WHERE mref = '".addslashes($mref)
SELECT * FROM table_name ORGER BY {[col_names]} DESC;数组中的第一列优先级最高 使用聚集函数 COUNT ([DISTINCT | ALL] *)...{[col_names]} FROM table_name WHERE [col_name] select_array) SELECT {[col_names]} FROM table_name...WHERE [col_name] select_array) 带有`[NOT] EXISTS谓词的子查询 SELECT {[col_names]} FROM table_name WHERE...EXISTS(select_array) 集合查询 并(UNION) SELECT {[col_names]} FROM table_name WHERE [Expression1] UNION SELECT...{[col_names]} FROM table_name WHERE [Expression1] EXCEPT SELECT {[col_names]} FROM table_name WHERE
= get_the_ID();$query = "SELECT `comment_ID` FROM {$wpdb->comments} WHERE `comment_post_ID`={$post_id...} and `comment_approved`='1' and `comment_author_email`='{$email}' LIMIT 1" ;if ( $wpdb ->get_results...("notice" => '温馨提示: 此处为隐藏内容，需要SELECT `comment_ID` FROM {$wpdb->comments} WHERE `comment_post_ID`={$post_id} and `comment_approved...`='1' and `comment_author_email`='{$email}' LIMIT 1";if ($wpdb->get_results($query)) {return do_shortcode
id=1 代码如下： $sql="SELECT * FROM users WHERE id=$id LIMIT 0,1"; $result=mysql_query($sql); $row = mysql_fetch_array...id=1 and 1=2 union select 1,GROUP_CONCAT(table_name SEPARATOR ':'),3 FROM INFORMATION_SCHEMA.TABLES WHERE...id=1 代码如下： $sql="SELECT * FROM users WHERE id=('$id') LIMIT 0,1"; $result=mysql_query($sql); $row = mysql_fetch_array...$id . '"'; $sql="SELECT * FROM users WHERE id=($id) LIMIT 0,1"; $result=mysql_query($sql); $row = mysql_fetch_array...id=1 代码如下： $sql="SELECT * FROM users WHERE id='$id' LIMIT 0,1"; $result=mysql_query($sql); $row = mysql_fetch_array
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