2013-12-18 73 views
0

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

+2

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

+0

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

+1

值得一试。另外,有什么机会可以直接查询过程中的陈述? – Passerby

回答

0

感谢路人,解决方案已被发现。

在我的情况下,我并不需要使用过程,所以我用查询替换了它。

我使用的print_r找出来,$行阵列看起来像([TM] => ...,[VL] => ...)

结果代码是在这里:

$query = "SELECT to_char(timestamp, 'DD.MM.YY HH24:MI') TM, value VL FROM transmaster WHERE instance_name = :param1 AND timestamp BETWEEN to_timestamp(:param2, 'DD.MM.YY HH24:MI') AND to_timestamp(:param3, 'DD.MM.YY HH24:MI') ORDER BY timestamp"; 
... 
    $stid = oci_parse($conn, $query); 
    oci_bind_by_name($stid, ':param1', $v_instance_name); 
    oci_bind_by_name($stid, ':param2', $v_ts1); 
    oci_bind_by_name($stid, ':param3', $v_ts2); 
    oci_execute($stid); 

    while ($row = oci_fetch_array($stid, OCI_ASSOC+OCI_RETURN_NULLS)) { 
        echo '<tr><td>'.($row['TM']).'</td><td>'.($row['VL']).'</tr>'; 
    }