I would like to add sequence id after I select data from more than one table
this is my query:
SELECT DISTINCT a.value_suggested_row, c.id as question_id, c.question, b.value
from survey_user_input_line a
LEFT JOIN survey_label b on b.id = a.value_suggested_row
LEFT JOIN survey_question c on c.id = a.question_id
where survey_id = 6
ORDER BY question_id
and this is the result
how to do the correct query to add the id sequence to the query so that the results are like this
Can Anyone help me, please?
In the select list add ROW_NUMBER () OVER (ORDER BY question_id) as id_sequence
SELECT DISTINCT #rownum:=#rownum+1 id_sequence, a.value_suggested_row, c.id as
question_id, c.question, b.value
from survey_user_input_line a
LEFT JOIN survey_label b on b.id = a.value_suggested_row
LEFT JOIN survey_question c on c.id = a.question_id
where survey_id = 6
ORDER BY question_id, (SELECT #rownum:=0) r;
I have a situation where each of the clients has users and each user can access to information about one or more branches.
We also have sys admins who can see everything and in database don't have any sites assigned to them. It just says the user is sys admin, so our system does not restrict the access.
I need to make a database query where I extract the list of branches the user has access to, but if the user is sys admin, I want to extract the list of all branches in the system.
I was trying something like this, but it does not work:
Select sites.name, sites.id
FROM sites
WHERE
sites.id IN (
CASE
WHEN (select u.level FROM users "u" WHERE u.username = 'JohnBrown') ='ROLE_SYSTEM_ADMIN'
THEN
(select id FROM sites)
ELSE
(select s2.id FROM users_have_sites uhs2
left join users u2 ON u2.id = uhs2.user_id
left join sites s2 ON s2.id = uhs2.site_id
where u2.username = 'JonhBrown')
END
)
I am getting this error:
ERROR: more than one row returned by a subquery used as an expression
I think something like this would work for you:
SELECT s.name, s.id
FROM sites s
LEFT JOIN users_have_sites uhs ON uhs.site_id = s.id
LEFT JOIN users u ON u.id = uhs.user_id AND u.username = 'JohnBrown'
WHERE (CASE WHEN (SELECT u.level FROM users WHERE u.username = 'JohnBrown') = 'ROLE_SYSTEM_ADMIN'
THEN TRUE ELSE FALSE END
OR u.id IS NOT NULL);
The LEFT JOINs do not filter out records from the sites table like an INNER JOIN would, so any site that meets either of the conditions in the WHERE clause will be in the result. This means that if your subquery shows that the user is a sys admind or if there is a record for that user and site is found in the users_have_sites table, those sites will be in the result set.
EDIT: Another fairly easy to read solution would be something like this:
SELECT s.name, s.id
FROM sites s,
users_have_sites uhs,
users u
WHERE u.username = 'JohnBrown'
AND (u.level = 'ROLE_SYSTEM_ADMIN'
OR (s.id = uhs.site_id AND u.id = uhs.user_id))
GROUP BY s.name, s.id;
The downside of this query is that it uses implicit joins which are not used very much any more. They are generally seen as an older way of doing things and can be less efficient. This will join all rows of on table to all rows of another table and then all of your filtering (and what you would generally think of as join conditions) are all in the WHERE clause. These typed of joins can be less efficient but this one should not be as the WHERE clause makes sure that only 1 result per site.
I think that this does what you want:
select s.name, s.id
from sites s
inner join users u on u.username = 'JohnBrown'
where
u.level = 'ROLE_SYSTEM_ADMIN'
or exists (
select 1
from users_have_sites uhs
where uhs.site_id = s.id and uhs.user_id = u.id
)
Here is another version of the query that you may find easier to follow (I do):
select s.name, s.id
from users u
inner join sites s
on u.level = 'ROLE_SYSTEM_ADMIN'
or exists (
select 1
from users_have_sites uhs
where uhs.site_id = s.id and uhs.user_id = u.id
)
where u.username = 'JohnBrown'
I have a query similar to this simplified example:
select u.id, sq.score
from usr as u,
(select user_id, score FROM score WHERE bar = ?) as sq
where u.id = sq.user_id
I would like the join (u.id = sq.user_id) to be an outer join. I can't figure out how to use JOIN in the from clause with a 'select' like this.
I know I could do this example without having to use a select in the from clause but thats not what I need in my application.
Something like this:
select u.id, sq.score
from usr as u
left join ( -- or right/full join as per your needs
select user_id, score FROM score WHERE bar = ?
) as sq
on u.id = sq.user_id
here`s my query
SELECT cont.FILTER_VALUE as filter,
o.[OBJECT_ID] as Id, o.[OBJECT_NAME] as Name, o.DESCRIPTION as Description, o.CREATED as Created,
o.MODIFIED as Modified, u.[LOGIN] as LastModifiedByLogin, o.[OBJECT_NAME] as ObjectName, t.[TEMPLATE_NAME] as TemplateName--,p.[PAGE_NAME] as PageName
FROM
[OBJECT] AS o
LEFT OUTER JOIN [CONTAINER] as cont
on cont.[OBJECT_ID] = o.[OBJECT_ID]
LEFT JOIN [OBJECT_VALUES] AS ov ON
ov.[OBJECT_ID] = o.[OBJECT_ID]
LEFT JOIN [PAGE] AS p ON o.[PAGE_ID] = p.[PAGE_ID]
INNER JOIN [USERS] as u on u.[USER_ID] = o.LAST_MODIFIED_BY INNER JOIN [PAGE_TEMPLATE] as t
on o.[PAGE_TEMPLATE_ID] = t.[PAGE_TEMPLATE_ID] INNER JOIN [site] as s on t.SITE_ID = s.SITE_ID
WHERE
s.SITE_ID = '34' --AND сont.[FILTER_VALUE] is null--like '%fff%'
And it works nice, until I remove the comment.
Here's a mess of joins, still it has sense. I inner join main table with couple of others, and left join with optional, so, that I have a column, that contains cont.FILTER_VALUE as filter, its null in some records, I can get it, but I cant filter by this field.
I get The multi-part identifier "сont.FILTER_VALUE" could not be bound.
I've looked through similar topics, but found no useful information. I don't use any old SQL dialects: everywhere I use INNER/LEFT joins, tried group by and order by, tried to re-order joins - nothing helped. I guess I just don't understand something important about joins, could you tell me, please.
Thanx.
if you wrote it like this:
s.SITE_ID = '34' AND сont.[FILTER_VALUE] is null like '%fff%'
its just wrong syntax. you're missing a column for the LIKE function (in which column does the query suppose to look for the pattern?). if you didnt write it like that, please post what you did write
I don't know why you're getting your error, but try this just in case, while we wait for a better answer:
SELECT FILTER_VALUE as filter
, o.[OBJECT_ID] as Id
, o.[OBJECT_NAME] as Name
, o.DESCRIPTION as Description
, o.CREATED as Created
, o.MODIFIED as Modified
, u.[LOGIN] as LastModifiedByLogin
, o.[OBJECT_NAME] as ObjectName
, t.[TEMPLATE_NAME] as TemplateName
FROM [OBJECT] AS o
INNER JOIN [USERS] as u
ON u.[USER_ID] = o.LAST_MODIFIED_BY
INNER JOIN [PAGE_TEMPLATE] as t
ON o.[PAGE_TEMPLATE_ID] = t.[PAGE_TEMPLATE_ID]
INNER JOIN [site] as s
ON t.SITE_ID = s.SITE_ID
LEFT JOIN [CONTAINER] as cont
ON cont.[OBJECT_ID] = o.[OBJECT_ID]
LEFT JOIN [OBJECT_VALUES] AS ov
ON ov.[OBJECT_ID] = o.[OBJECT_ID]
LEFT JOIN [PAGE] AS p
ON o.[PAGE_ID] = p.[PAGE_ID]
WHERE s.SITE_ID = '34' AND FILTER_VALUE IS NULL
Well, I solved this problem, using CTE, still I wonder, why did I have problems without cte.
This way it works good
with query_CTE
AS
(
SELECT
ROW_NUMBER() OVER (ORDER BY o.[OBJECT_ID] asc) as rowNum,
o.[OBJECT_ID] as Id, o.[OBJECT_NAME] as Name, o.DESCRIPTION as Description, o.CREATED as Created,
o.MODIFIED as Modified, u.[LOGIN] as LastModifiedByLogin, o.[OBJECT_NAME] as ObjectName, t.[TEMPLATE_NAME] as TemplateName,p.[PAGE_NAME] as PageName,
s.SITE_ID, t.PAGE_TEMPLATE_ID, p.PAGE_ID, ov.VARIABLE_NAME, ov.VARIABLE_VALUE, cont.FILTER_VALUE, cont.DYNAMIC_CONTENT_VARIABLE, cont.SELECT_START,
cont.SELECT_TOTAL
FROM [OBJECT] AS o
INNER JOIN [USERS] as u
ON u.[USER_ID] = o.LAST_MODIFIED_BY
INNER JOIN [PAGE_TEMPLATE] as t
ON o.[PAGE_TEMPLATE_ID] = t.[PAGE_TEMPLATE_ID]
INNER JOIN [site] as s
ON t.SITE_ID = s.SITE_ID
LEFT JOIN [CONTAINER] as cont
ON cont.[OBJECT_ID] = o.[OBJECT_ID]
LEFT JOIN [OBJECT_VALUES] AS ov
ON ov.[OBJECT_ID] = o.[OBJECT_ID]
LEFT JOIN [PAGE] AS p
ON o.[PAGE_ID] = p.[PAGE_ID]
)
select rowNum,
Id, Name,[Description], Created, Modified, LastModifiedByLogin, ObjectName, TemplateName,PageName
from query_CTE
I am trying to write the following SQL query as a JPA query. The SQL query works (MySQL database) but I don't know how to translate it. I get a error token right after the first FROM. There are probably other errors here too because I was not able to find any guides on how to do sub-queries in the from part, aliasing and so on.
SQL query
SELECT tbl.* from (
SELECT u.*, COUNT(u.id) AS question_count FROM app_user AS u
INNER JOIN question AS q ON u.id = q.user_id GROUP BY u.id
) AS tbl ORDER BY tbl.question_count DESC LIMIT 10;
JPA query:
SELECT tbl FROM (SELECT u, COUNT(u.id) question_count FROM User u
INNER JOIN u.questions q ON u.id = q.user_id GROUP BY u.id) tbl
ORDER BY tbl.question_count LIMIT 10")
I can't test this with anything right now, but something along the lines of:
final String queryStr = "SELECT u, COUNT(u.id) FROM User u, Questions q WHERE u.id = q.user_id GROUP BY u.id ORDER BY COUNT(u.id) DESC";
Query query = em().createQuery(queryStr);
query.setMaxResults(10);
List<Object[]> results = query.getResultList(); //Index [0] will contain the User-object, [1] will contain Long with result of COUNT(u.id)