select lpad('test',10) from dual;
将返回“ test”
select lpad('test',10,'ee') from dual;
结果将返回eeeeeetest。
create or replace view base_pd_clazz as
select t.cls_id,
t.cls_name,
LPAD('|-', (level - 1) * 4, ' | ') || LPAD('『', 2) || t.cls_name ||
RPAD('』', 2) tree_name,
CONNECT_BY_ISLEAF IS_LEAF,
level CLS_LEVEL,
t.par_id,
t1.cls_name par_name,
t.root_id,
t2.cls_name root_name,
ltrim(sys_connect_by_path(t.cls_name, ','), ',') FULL_NAME,
t.order_value,
t.is_del
from base_pd_class t
left join base_pd_class t1 on t.par_id = t1.cls_id
left join base_pd_class t2 on t.root_id = t2.cls_id
start with t.par_id = -1
connect by prior t.cls_id = t.par_id;
SELECT
'public static final Integer PRE_' || item_cd || ' = ' || item_cd || '; // '|| item_nm
FROM
table article_mod
ORDER BY
item_cd
start with 和 where条件一起时候时,放在where条件的最后面并且没有and
<isNotEmpty prepend=" " property="map.level_3_start_with_not_in">
start with a.CLS_LEVEL = 3 and a.cls_id not in
<iterate close=")" open="(" conjunction="," property="map.level_3_start_with_not_in">#map.level_3_start_with_not_in[]#</iterate>
connect by prior cls_id = par_id
</isNotEmpty>
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