SQL中传入时间参数

[adetwo]

declare
collect_time date:=sysdate;
jieguo number;
begin
execute immediate 'select count(*) from std_fmdb.tfa_alarm_act
WHERE event_time > '||collect_time+||'-1/24 
AND city_name IS NOT NULL
AND org_severity IS NOT NULL
AND professional_type IS NOT NULL
AND vendor_name IS NOT NULL
AND eqp_object_class IN(101,102,130,131,200) ' 
into jieguo;
dbms_output.put_line(jieguo);
end;

提示SQL command not properly ended。
应该怎样修改啊？应该是collect_time的问题。collect_time是传入来的参数，不一定是sysdate。

[Andy__Huang]

collect_time变量后多"+"

[adetwo]

不好意思，没复制好……去掉+号还是不行

[liulongjin2008]

试一下
alter session set nls_date_format='yyyy-mm-dd';
declare
collect_time date:=sysdate-1/24;
jieguo number;
begin
execute immediate 'select count(*) from std_fmdb.tfa_alarm_act
WHERE event_time > '''||collect_time||'''
AND city_name IS NOT NULL
AND org_severity IS NOT NULL
AND professional_type IS NOT NULL
AND vendor_name IS NOT NULL
AND eqp_object_class IN(101,102,130,131,200) '
into jieguo;
dbms_output.put_line(jieguo);
end;

[Andy__Huang]

WHERE event_time > '||collect_time+||'
这两个时间现在类型不一样,一个是时间,一个是字符,把它换为时间后再比较
WHERE event_time > to_date('||collect_time+||','yyyy-mm-dd hh24')

[liulongjin2008]

alter session set nls_date_format = 'YYYY-MM-DD HH24:MI:SS'