[英]missing FROM-clause entry for table in postgresql
我在运行此查询时收到此错误。请帮助我理解该错误。但是当我使用count(*)时我没有收到此错误。我修改了查询,它可以正常工作但我无法正确获取计数
select dt.name,dt.asset4_code,dt.org_id,dt.year_max,dt.oa_perm_id,
count(CASE WHEN date_part('year', dt.time_stamp) = 2002 THEN 1 end) AS Year2002,
count(CASE WHEN date_part('year', dt.time_stamp) = 2003 THEN 1 end) AS Year2003,
count(CASE WHEN date_part('year', dt.time_stamp) = 2004 THEN 1 end) AS Year2004,
count(CASE WHEN date_part('year', dt.time_stamp) = 2005 THEN 1 end) AS Year2005,
count(CASE WHEN date_part('year', dt.time_stamp) = 2006 THEN 1 end) AS Year2006,
count(CASE WHEN date_part('year', dt.time_stamp) = 2007 THEN 1 end) AS Year2007,
count(CASE WHEN date_part('year', dt.time_stamp) = 2008 THEN 1 end) AS Year2008,
count(CASE WHEN date_part('year', dt.time_stamp) = 2009 THEN 1 end) AS Year2009,
count(CASE WHEN date_part('year', dt.time_stamp) = 2010 THEN 1 end) AS Year2010,
count(CASE WHEN date_part('year', dt.time_stamp) = 2011 THEN 1 end) AS Year2011,
count(CASE WHEN date_part('year', dt.time_stamp) = 2012 THEN 1 end) AS Year2012,
count(CASE WHEN date_part('year', dt.time_stamp) = 2013 THEN 1 end) AS Year2013,
count(CASE WHEN date_part('year', dt.time_stamp) = 2014 THEN 1 end) AS Year2014,
count(CASE WHEN date_part('year', dt.time_stamp) = 2015 THEN 1 end) AS Year2015 ,
count(CASE WHEN date_part('year', dt.time_stamp) = 2016 THEN 1 end) AS Year2016
from
(
select companies.name,companies.asset4_code,companies.org_id,companies.year_max,companies.oa_perm_id,value_scopes.time_stamp,row_number(*)
over (partition by sdp.dp_code order by sdp.dp_code desc ) as rn
FROM
companies companies INNER JOIN value_scopes value_scopes ON value_scopes.company_id = companies.company_id
JOIN dp_values dp ON value_scopes.value_scope_id=dp.value_scope_id
JOIN dp_content_definition cd ON dp.dp_content_definition_id=cd.dp_content_definition_id
JOIN dp_definition def ON def.dp_definition_id=cd.dp_definition_id
right outer join strategic_data_point sdp on def.dp_code=sdp.dp_code
where
date_part('year', value_scopes.time_stamp)='2012'
and value_scopes.is_partial='f'
and dp.no_answer='f'
and (dp.dp_value_s IS not NULL or dp.dp_value_n IS not NULL)
and companies.asset4_code='35'
and def.dp_code like '%En%'
) dt
where rn < 2 group by dt.name,dt.asset4_code,dt.org_id,dt.year_max,dt.oa_perm_id order by dt.name;
我认为您使用了错误的别名。
尝试更换value_scopes.time_stamp
通过dt.time_stamp
在COUNT
,2号线。
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