我正在尝试创建一个文件,该文件将从查询中删除并重新创建表。 我一直收到语法错误。自从我在mysql工作并且没有看到错误以来已经有一段时间了。另一组眼睛会很棒!
$dbc = @mysqli_connect (DB_HOST, DB_USER, DB_PASSWORD, DB_NAME) OR die ('Could not connect to MySQL: ' . mysqli_connect_error() );
//drop table for updated database
//Create query
$q = "
DROP TABLE IF EXISTS dbName.tbName;
CREATE TABLE dbName.tbName (ID int) AS 'SELECT
dbName.tbName.ID
FROM
dbName.tbName
ORDER BY
dbName.tbName.count DESC
LIMIT 8'";
;
//run query
$r = @mysqli_query ($dbc, $q);
//Displays resutls if query ran correctly
if ($r) { // If it ran OK, display the records.
// Table header.
echo '<table align="center" >
<tr><td align="left"><b>Number 1</b></td><td align="left"><b>Number 2</b></td><td align="left"><b>Number 3</b></td><td align="left"><b>Number 4</b></td><td align="left"><b>Number 5</b></td><td align="left"><b>Number 6</b></td>
<td align="left"><b>Number 7</b></td><td align="left"><b>Number 8</b></td><td align="left"><b>Number 9</b></td><td align="left"><b>Number 10</b></tr>';
// Fetch and print all the records:
while ($row = mysqli_fetch_array($r, MYSQLI_ASSOC)) {
echo '<tr><td align="left">' . $row['Number_1'] . '</td><td align="left">' . $row['Number_2'] . '</td><td align="left">' . $row['Number_3'] . '</td><td align="left">' . $row['Number_4'] . '</td><td align="left">' .
$row['Number_5'] . '</td><td align="left">' . $row['Number_6'] . '</td><td align="left">' . $row['Number_7'] . '</td><td align="left">' . $row['Number_8'] . '</td>
<td align="left">' . $row['Number_9'] . '</td><td align="left">' . $row['Number_10'] . '</td></tr>'."\n";
}
echo '</table>'; // Close the table.
mysqli_free_result ($r); // Free up the resources.
} else { // If it did not run OK.
// Public message:
echo '<p class="error">Your numbers could not be retrieved. We apologize for any inconvenience.</p>';
// Debugging message:
echo '<p>' . mysqli_error($dbc) . '<br /><br />Query: ' . $q . '</p>';
} // End of if ($r) IF.
mysqli_close($dbc); // Close the database connection.
我得到的错误是:
无法检索您的号码。对由此带来的任何不便,我们深表歉意。
您的SQL语法有错误;检查与MySQL服务器版本对应的手册,以便在第2行的“CREATE TABLE dbName.tbName(ID int)AS”SELECTdbName.tbNam'附近使用正确的语法
查询:DROP TABLE IF EXISTS dbName.tbName;
CREATE TABLE dbName.tbName(ID int)AS'选择
dbName.tbName.ID
从
dbName.tbName
订购单 dbName.tbName.count DESC
限制8'
答案 0 :(得分:0)
我认为在构建表时,它可能是内部查询的单引号。
$q = "
DROP TABLE IF EXISTS dbName.tbName;
CREATE TABLE dbName.tbName (ID int) AS ( SELECT
dbName.tbName.ID
FROM
dbName.tbName
ORDER BY
dbName.tbName.count DESC
LIMIT 8 )";
答案 1 :(得分:0)
“SELECT”和“dbName.tbName.ID”之间缺少空格?