How to do Where clause on simple Json Array in SQL Server 2017?
Say I have a column in my database called attributes
which has this value as an example:
{"pages":["Page1"]}
How can I do a where clause so I can filter down rows that have "Page1" in it.
select JSON_QUERY(Attributes, '$.pages')
from Table
where JSON_QUERY(Attributes, '$.pages') in ('Page1')
Edit:
From the docs it seems like this might work though it seems so complicated for what it is doing.
select count(*)
from T c
cross apply Openjson(c.Attributes)
with (pages nvarchar(max) '$.pages' as json)
outer apply openjson(pages)
with ([page] nvarchar(100) '$')
where [page] = 'Page1'
json


add a comment |
Say I have a column in my database called attributes
which has this value as an example:
{"pages":["Page1"]}
How can I do a where clause so I can filter down rows that have "Page1" in it.
select JSON_QUERY(Attributes, '$.pages')
from Table
where JSON_QUERY(Attributes, '$.pages') in ('Page1')
Edit:
From the docs it seems like this might work though it seems so complicated for what it is doing.
select count(*)
from T c
cross apply Openjson(c.Attributes)
with (pages nvarchar(max) '$.pages' as json)
outer apply openjson(pages)
with ([page] nvarchar(100) '$')
where [page] = 'Page1'
json


instead of in, have you tried using like ? I I think it gives the instances where we have Page 1 references (without even using Json_query), also with Json_query are you trying to extract the value there or the JSON format in the select list ?
– Avi
Jan 3 at 0:45
add a comment |
Say I have a column in my database called attributes
which has this value as an example:
{"pages":["Page1"]}
How can I do a where clause so I can filter down rows that have "Page1" in it.
select JSON_QUERY(Attributes, '$.pages')
from Table
where JSON_QUERY(Attributes, '$.pages') in ('Page1')
Edit:
From the docs it seems like this might work though it seems so complicated for what it is doing.
select count(*)
from T c
cross apply Openjson(c.Attributes)
with (pages nvarchar(max) '$.pages' as json)
outer apply openjson(pages)
with ([page] nvarchar(100) '$')
where [page] = 'Page1'
json


Say I have a column in my database called attributes
which has this value as an example:
{"pages":["Page1"]}
How can I do a where clause so I can filter down rows that have "Page1" in it.
select JSON_QUERY(Attributes, '$.pages')
from Table
where JSON_QUERY(Attributes, '$.pages') in ('Page1')
Edit:
From the docs it seems like this might work though it seems so complicated for what it is doing.
select count(*)
from T c
cross apply Openjson(c.Attributes)
with (pages nvarchar(max) '$.pages' as json)
outer apply openjson(pages)
with ([page] nvarchar(100) '$')
where [page] = 'Page1'
json


json


edited Jan 3 at 6:40
marc_s
584k13011241270
584k13011241270
asked Jan 3 at 0:06
chobo2chobo2
31.1k152408693
31.1k152408693
instead of in, have you tried using like ? I I think it gives the instances where we have Page 1 references (without even using Json_query), also with Json_query are you trying to extract the value there or the JSON format in the select list ?
– Avi
Jan 3 at 0:45
add a comment |
instead of in, have you tried using like ? I I think it gives the instances where we have Page 1 references (without even using Json_query), also with Json_query are you trying to extract the value there or the JSON format in the select list ?
– Avi
Jan 3 at 0:45
instead of in, have you tried using like ? I I think it gives the instances where we have Page 1 references (without even using Json_query), also with Json_query are you trying to extract the value there or the JSON format in the select list ?
– Avi
Jan 3 at 0:45
instead of in, have you tried using like ? I I think it gives the instances where we have Page 1 references (without even using Json_query), also with Json_query are you trying to extract the value there or the JSON format in the select list ?
– Avi
Jan 3 at 0:45
add a comment |
1 Answer
1
active
oldest
votes
Something like this:
use tempdb
create table T(id int, Attributes nvarchar(max))
insert into T(id,Attributes) values (1, '{"pages":["Page1"]}')
insert into T(id,Attributes) values (2, '{"pages":["Page3","Page4"]}')
insert into T(id,Attributes) values (3, '{"pages":["Page3","Page1"]}')
select *
from T
where exists
(
select *
from openjson(T.Attributes,'$.pages')
where value = 'Page1'
)
returns
id Attributes
----------- ---------------------------
1 {"pages":["Page1"]}
3 {"pages":["Page3","Page1"]}
(2 rows affected)
ok, I will try that. I also came up with above from examples I found on the MS docs, though I think your seems simpler.
– chobo2
Jan 3 at 0:43
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Something like this:
use tempdb
create table T(id int, Attributes nvarchar(max))
insert into T(id,Attributes) values (1, '{"pages":["Page1"]}')
insert into T(id,Attributes) values (2, '{"pages":["Page3","Page4"]}')
insert into T(id,Attributes) values (3, '{"pages":["Page3","Page1"]}')
select *
from T
where exists
(
select *
from openjson(T.Attributes,'$.pages')
where value = 'Page1'
)
returns
id Attributes
----------- ---------------------------
1 {"pages":["Page1"]}
3 {"pages":["Page3","Page1"]}
(2 rows affected)
ok, I will try that. I also came up with above from examples I found on the MS docs, though I think your seems simpler.
– chobo2
Jan 3 at 0:43
add a comment |
Something like this:
use tempdb
create table T(id int, Attributes nvarchar(max))
insert into T(id,Attributes) values (1, '{"pages":["Page1"]}')
insert into T(id,Attributes) values (2, '{"pages":["Page3","Page4"]}')
insert into T(id,Attributes) values (3, '{"pages":["Page3","Page1"]}')
select *
from T
where exists
(
select *
from openjson(T.Attributes,'$.pages')
where value = 'Page1'
)
returns
id Attributes
----------- ---------------------------
1 {"pages":["Page1"]}
3 {"pages":["Page3","Page1"]}
(2 rows affected)
ok, I will try that. I also came up with above from examples I found on the MS docs, though I think your seems simpler.
– chobo2
Jan 3 at 0:43
add a comment |
Something like this:
use tempdb
create table T(id int, Attributes nvarchar(max))
insert into T(id,Attributes) values (1, '{"pages":["Page1"]}')
insert into T(id,Attributes) values (2, '{"pages":["Page3","Page4"]}')
insert into T(id,Attributes) values (3, '{"pages":["Page3","Page1"]}')
select *
from T
where exists
(
select *
from openjson(T.Attributes,'$.pages')
where value = 'Page1'
)
returns
id Attributes
----------- ---------------------------
1 {"pages":["Page1"]}
3 {"pages":["Page3","Page1"]}
(2 rows affected)
Something like this:
use tempdb
create table T(id int, Attributes nvarchar(max))
insert into T(id,Attributes) values (1, '{"pages":["Page1"]}')
insert into T(id,Attributes) values (2, '{"pages":["Page3","Page4"]}')
insert into T(id,Attributes) values (3, '{"pages":["Page3","Page1"]}')
select *
from T
where exists
(
select *
from openjson(T.Attributes,'$.pages')
where value = 'Page1'
)
returns
id Attributes
----------- ---------------------------
1 {"pages":["Page1"]}
3 {"pages":["Page3","Page1"]}
(2 rows affected)
answered Jan 3 at 0:31
David Browne - MicrosoftDavid Browne - Microsoft
17k2827
17k2827
ok, I will try that. I also came up with above from examples I found on the MS docs, though I think your seems simpler.
– chobo2
Jan 3 at 0:43
add a comment |
ok, I will try that. I also came up with above from examples I found on the MS docs, though I think your seems simpler.
– chobo2
Jan 3 at 0:43
ok, I will try that. I also came up with above from examples I found on the MS docs, though I think your seems simpler.
– chobo2
Jan 3 at 0:43
ok, I will try that. I also came up with above from examples I found on the MS docs, though I think your seems simpler.
– chobo2
Jan 3 at 0:43
add a comment |
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instead of in, have you tried using like ? I I think it gives the instances where we have Page 1 references (without even using Json_query), also with Json_query are you trying to extract the value there or the JSON format in the select list ?
– Avi
Jan 3 at 0:45