//根据节点后附加操作或出口附加规则改变文档状态 sql = "update docdetail set docstatus=" + customervalue + " where id in(" + docids + ")"; rs1.execute(sql); if("5".equals(customervalue)){//归档状态设置归档时间 int docarchiveuserid = user.getUID(); String newcurrentdate = Util.add0(today.get(Calendar.YEAR), 4) + "-" + Util.add0(today.get(Calendar.MONTH) + 1, 2) + "-" + Util.add0(today.get(Calendar.DAY_OF_MONTH), 2); String newcurrenttime = Util.add0(today.get(Calendar.HOUR_OF_DAY), 2) + ":" + Util.add0(today.get(Calendar.MINUTE), 2) + ":" + Util.add0(today.get(Calendar.SECOND), 2); rs1.execute( " UPDATE DocDetail SET " + "docarchiveuserid = " + docarchiveuserid + ",docarchivedate = '" + newcurrentdate + "'" + ",docarchivetime = '" + newcurrenttime + "'" + " WHERE ID in (" + docids +" )" ); } 我想加个sql 查询下docdetail表的docstatus 字段的值 然后输出在日志里应该怎么加

你可以在代码中添加以下语句来查询docdetail表的docstatus字段的值并输出到日志中：

sql = "select docstatus from docdetail where id in (" + docids + ")";
ResultSet rs2 = rs1.executeQuery(sql);
if (rs2.next()) {
    int docstatus = rs2.getInt("docstatus");
    System.out.println("docstatus: " + docstatus);
}

这样，当执行到这段代码时，会先查询docdetail表中指定id的文档的docstatus字段的值，然后将其输出到日志中，方便你进行调试和验证。

相关问题

SELECT t1.id, t2.DOCSUBJECT, max(t3.imagefileid) AS imagefileid FROM uf_wdcdzsxbd t1 JOIN docdetail t2 ON t1.tm = t2.id JOIN docimagefile t3 ON t2.id = t3.docid WHERE t1.id IN (3, 2, 1) GROUP BY t1.id ORDER BY CASE t1.id WHEN 3 THEN 1 WHEN 2 THEN 2 WHEN 1 THEN 3 END;这句sql会报错，原因时group by中没有包含全部的查询字段，如何修改

如果您的SQL查询语句报错，而错误的原因是因为`GROUP BY`中没有包含全部的查询字段，可以按照以下步骤进行修改：

1. 将查询字段`imagefileid`添加到`GROUP BY`子句中，以便让Oracle知道需要按照哪个字段进行分组：

SELECT t1.id, t2.DOCSUBJECT, max(t3.imagefileid) AS imagefileid 
FROM uf_wdcdzsxbd t1 
JOIN docdetail t2 ON t1.tm = t2.id 
JOIN docimagefile t3 ON t2.id = t3.docid 
WHERE t1.id IN (3, 2, 1) 
GROUP BY t1.id, t2.DOCSUBJECT, t3.imagefileid 
ORDER BY CASE t1.id 
    WHEN 3 THEN 1 
    WHEN 2 THEN 2 
    WHEN 1 THEN 3 
END;

2. 如果您不希望将查询结果按照`imagefileid`进行分组，而只想按照`t1.id`进行分组，则可以使用Oracle中的聚合函数`LISTAGG`来将`imagefileid`的值按照逗号分隔符进行合并：

SELECT t1.id, t2.DOCSUBJECT, LISTAGG(t3.imagefileid, ',') WITHIN GROUP (ORDER BY t3.imagefileid DESC) AS imagefileid_list 
FROM uf_wdcdzsxbd t1 
JOIN docdetail t2 ON t1.tm = t2.id 
JOIN docimagefile t3 ON t2.id = t3.docid 
WHERE t1.id IN (3, 2, 1) 
GROUP BY t1.id, t2.DOCSUBJECT 
ORDER BY CASE t1.id 
    WHEN 3 THEN 1 
    WHEN 2 THEN 2 
    WHEN 1 THEN 3 
END;

在这个查询中，我们使用`LISTAGG`函数将`imagefileid`的值按照逗号分隔符进行合并，并将结果命名为`imagefileid_list`。我们还使用`WITHIN GROUP`子句来指定按照`imagefileid`进行排序，并将排序结果合并到一个字符串中。最后，我们将`imagefileid_list`添加到`SELECT`子句中，以便让Oracle返回合并后的结果。

declare tName varchar2(1000); str varchar2(1000); cou number; indexStart number; begin tName:= 'Docdetail'; str:= 'select count(*) as int from tab where tname=upper('''|| tName||''')' ; dbms_output.put_line(str); execute immediate str into cou ; if cou>0 then begin str:= 'select nvl(max(id),0)+1000 from ' || tName ; execute immediate str into indexStart ; str:='create sequence ' || tName || '_id start with '|| indexStart ||' increment by 1 nomaxvalue nocache'; dbms_output.put_line(str); execute immediate str; end; end if ; end; / declare tName varchar2(1000); str varchar2(1000); cou number; indexStart number; begin tName:= 'ImageFile'; str:= 'select count(*) as int from tab where tname=upper('''|| tName||''')' ; dbms_output.put_line(str); execute immediate str into cou ; if cou>0 then begin str:= 'select nvl(max(imagefileid),0)+1000 from ' || tName ; execute immediate str into indexStart ; str:='create sequence ' || tName || '_id start with '|| indexStart ||' increment by 1 nomaxvalue nocache'; dbms_output.put_line(str); execute immediate str; end; end if ; end; / declare tName varchar2(1000); str varchar2(1000); cou number; indexStart number; begin tName:= 'docImageFile'; str:= 'select count(*) as int from tab where tname=upper('''|| tName||''')' ; dbms_output.put_line(str); execute immediate str into cou ; if cou>0 then begin str:= 'select nvl(max(id),0)+1000 from ' || tName ; execute immediate str into indexStart ; str:='create sequence ' || tName || '_id2 start with '|| indexStart ||' increment by 1 nomaxvalue nocache'; dbms_output.put_line(str); execute immediate str; end; end if ; end; / 这个sql是干嘛的

这段 SQL 语句是用来动态创建序列的。首先通过查询系统表 `tab`，判断指定的表名是否存在。如果存在，则查询指定表的最大 ID 值，并加上一个固定值作为序列的起始值；然后使用 `create sequence` 语句创建一个序列，名称为指定的表名加上 `_id` 后缀，起始值为上一步计算出的值，步长为 1，不设置最大值和缓存。这样可以保证每次向指定表中插入新记录时，自动生成唯一的 ID 值，避免了手动管理 ID 的麻烦。这段 SQL 中还包括了一些动态 SQL 的语法，使用 `execute immediate` 来执行动态生成的 SQL 语句。