所以我有这样的代码:PHP + Oracle存储过程(多输出)
<?php
...
$query = 'DECLARE rs_tm varchar2(100); rs_vl number(10);
BEGIN TM(:param1_in, :param2_in, :param3_in, :param4_out, :param5_out);
END;';
...
$stid = oci_parse($conn, $query);
oci_bind_by_name($stid, ':param1_in', $v_instance_name);
oci_bind_by_name($stid, ':param2_in', $v_ts1);
oci_bind_by_name($stid, ':param3_in', $v_ts2);
oci_bind_by_name($stid, ':param4_out', $v_result_timestamp,14);
oci_bind_by_name($stid, ':param5_out', $v_result_value,5);
oci_execute($stid);
echo "<td>".$v_result_timestamp."</td><td>".$v_result_value."</td>";
?>
和它的作品只是罚款与此代码TM过程内:
CREATE OR REPLACE PROCEDURE TM(
v_ins IN varchar2,
v_t1 IN varchar2,
v_t2 IN varchar2,
res_ts OUT varchar2,
res_val OUT NUMBER
) IS
BEGIN
SELECT to_char(timestamp, 'DD.MM.YY HH24:MI'), value
INTO res_ts, res_val
FROM table1
WHERE ins = v_ins
AND timestamp BETWEEN to_timestamp(v_t1, 'DD.MM.YY HH24:MI') AND to_timestamp(v_t2, 'DD.MM.YY HH24:MI')
AND rownum = 1
ORDER BY timestamp;
END TM;
但事实是,我需要多行,所以现在我必须从程序中删除AND rownum = 1
,但我不知道如何调整我的php代码。当我试着使用,而不是最后一行下一个代码
Warning:
oci_execute()
[function.oci-execute]: ORA-01422: exact fetch returns more than requested number of rows ORA-06512: at "TM", line 10 ORA-06512: at line 1 in .../tmout.php on line 36
(回声):如果我没有做任何PHP文件,只是改变了程序,我收到此错误
while ($row = oci_fetch_array($stid, OCI_ASSOC+OCI_RETURN_NULLS)) {
foreach ($row as $item) {
echo "<td>".$v_rs_tm."</td><td>".$v_rs_vl."</td>";
}
}
我越来越:
Warning:
oci_fetch_array()
[function.oci-fetch-array]: ORA-24374: define not done before fetch or execute and fetch in ...tmout.php on line 38.
那很可能是可怕的语法,但事情是 - 我不知道正确的。
有什么想法?在此先感谢
我认为这是程序的限制,而不是php_oci。毕竟,'res_ts'是** a **值,如果它不是'rownum = 1',你会期望它是什么? – Passerby
在这种情况下,我应该使用什么,如果不是变量输出参数?光标并进入? – Alexander
值得一试。另外,有什么机会可以直接查询过程中的陈述? – Passerby