Oracle中start with...connect by子句实例

一.

select /*+ index(emp IDX_PAIC_EMP_INFO_004)*/ og.deptid_descr || '直属' "orgName",

og.id_deptid "orgCode",

emp.PAIC_UM_NUM "umId",

emp.LAST_NAME "name",

emp.paic_mobile_phone "telephone"

from SIEBEL.ETL_PS_PAIC_ORG_CHG_ST og, siebel.etl_ps_paic_emp_info emp

where og.tree_level_num = 2

and trim(PAIC_DEPT_ENDDT) is null

and og.id_deptid in ('S000031289', 'S000031290', 'S000031292')

and og.id_deptid = emp.deptid

and TRIM(emp.PAIC_LEAVE_DATE) IS NULL

AND emp.EMPL_STATUS != 'T'

union all

select /*+ index(emp IDX_PAIC_EMP_INFO_004)*/ level3og."orgName",

level3og."orgCode",

emp.PAIC_UM_NUM "umId",

emp.LAST_NAME "name",

emp.paic_mobile_phone "telephone"

from (select og.deptid_descr "orgName",

og.id_deptid "orgCode",

og.tree_level_num "orgLevel",

sys_connect_by_path(og.id_deptid, '/') path

from SIEBEL.ETL_PS_PAIC_ORG_CHG_ST og

where trim(PAIC_DEPT_ENDDT) is null

start with og.id_deptid = 'S000000006'

connect by prior id_deptid = parent_node_name) level3og,

(select level as "LEVEL",

deptid_descr name,

id_deptid,

sys_connect_by_path(og.id_deptid, '/') path

from SIEBEL.ETL_PS_PAIC_ORG_CHG_ST og

where trim(PAIC_DEPT_ENDDT) is null

start with og.id_deptid = 'S000000006'

connect by prior id_deptid = parent_node_name) og,

siebel.etl_ps_paic_emp_info emp

where level3og."orgLevel" = 3

and level3og."orgCode" != 'S000022969'

and og.path like level3og.path || '%'

and og.id_deptid = emp.deptid

and TRIM(emp.PAIC_LEAVE_DATE) IS NULL

AND emp.EMPL_STATUS != 'T'

二.

select "orgName", "orgCode", "orgLevel"

from (select og.deptid_descr || '直属' "orgName",

og.id_deptid "orgCode",

og.tree_level_num "orgLevel",

parent_node_name

from SIEBEL.ETL_PS_PAIC_ORG_CHG_ST og

where og.tree_level_num = 2

and trim(PAIC_DEPT_ENDDT) is null

and og.id_deptid in (SELECT V.VAL

FROM SIEBEL.S_LST_OF_VAL V

WHERE V.TYPE = 'ORG_WHITELIST')

union all

select og.deptid_descr "orgName",

og.id_deptid "orgCode",

og.tree_level_num "orgLevel",

parent_node_name

from SIEBEL.ETL_PS_PAIC_ORG_CHG_ST og

where og.tree_level_num = 3

and trim(PAIC_DEPT_ENDDT) is null

and og.id_deptid not in (SELECT V.VAL

FROM SIEBEL.S_LST_OF_VAL V

WHERE V.TYPE = 'ORG_BLACKLIST'))

order by decode("orgLevel", 2, "orgCode", parent_node_name), "orgCode"