Sql Postgres检查数组值是否在列表中
如何检查单行中的任何数组值是否在我的列表中? 这是我的桌子。我们叫它ABC吧Sql Postgres检查数组值是否在列表中,sql,postgresql,Sql,Postgresql,如何检查单行中的任何数组值是否在我的列表中? 这是我的桌子。我们叫它ABC吧 id | page_id | values ------------------+-------------+---------------------------------------------------------------------
id | page_id | values
------------------+-------------+-------------------------------------------------------------------------
1376092679147519 | xyz | {6004036173148,6003373173651,6003050657850}
1375487155874738 | xyz | {6003301698460,6003232518610}
1497527026945449 | xyz | {6003654559478,6003197656807}
1375388575884596 | xyz | {6003512053894,6003450241842,6003051414416}
1319144441504401 | xyz | {6004001256506,6003514818642,6003400993421}
我的目标是选择那些行,其中一个值出现在给定列表“6004036173148”、“6003197656807”中
SELECT id, page_id, values from ABC WHERE -SOME CLAUSE- IN ('6004036173148', '6003197656807');
id | page_id | values
------------------+-------------+-------------------------------------------------------------------------
1376092679147519 | xyz | {6004036173148,6003373173651,6003050657850}
1497527026945449 | xyz | {6003654559478,6003197656807}
下面是我的PosgreSQL表的结构
Table "public.ABC"
Column | Type | Modifiers
--------------------+--------------------------+------------------------
id | character varying | not null
page_id | character varying | not null
values | character varying[] |
Indexes:
"ABC_pkey" PRIMARY KEY, btree (id)
如果我正确理解,您需要:
select * from t
where "values" && '{6004036173148,6003197656807}'::character varying[]
编辑
如果需要提取某些值,则可以使用unnest函数
请注意,若同一数组包含搜索列表中的多个值,则该行将重复。看看这个id=2的示例输出,您可以看到,关于我所说的内容:
with t(id, values) as(
select 1, '{6004036173147,6003373173651,6003050657840}'::character varying[]
union all
select 2, '{6004036173148,6003373173652,6003050657850}'::character varying[]
union all
select 3, '{6004036173149,6003373173653,6003050657860}'::character varying[]
)
select tt.* from
(select t.*, unnest(values) unn from t) tt
inner join (select unnest('{6003373173651,6004036173148,6003373173652}'::character varying[]) v ) lst
on tt.unn = lst.v
只是出于好奇,您会如何在tsql中做到这一点?SQL Server有数组类型吗?我不这么认为。如果是这样,我们将如何在tsql中使用数组?或者我错过了你的问题?我想你可以假装:创建表temp id VARCHAR20,page_id VARCHAR10,rValues VARCHAR100插入临时值'1376092679147519','xyz','600403617314860033731736516003050657850}','1375487155874738','xyz','600330694603232518610}','1497026945449','xyz','{60036545594786003197656807}、'1375388575884596'、'xyz'、'600351205389460034502418426003051414416}、'1319144441504401'、'xyz'、'60040012565066035148186426003400993421}从临时索引“%6003514818642%”中选择*,右值>0侧注:尽量不要将保留字如值用作列名