What is the method for presenting an integer column from a specific table to a user on the front end as a series that automatically increments from 1?

Question

What is the method for presenting an integer column from a specific table to a user on the front end as a series that automatically increments from 1?

I'm currently developing a comprehensive full-stack application designed to function as a task and project management tool. It features a table layout with a convenient drag and drop functionality that enables upper-management to easily re-prioritize tasks and projects. The interface presented to upper-management is as follows:

 -----------------------------------------
|Priority| Task                 | Resource|
 -----------------------------------------
|    1   | Write some code      | Arya S. |
 -----------------------------------------
|    2   | Write a spec.        | Bran S. |
 -----------------------------------------
|    3   | Write some code      | Bran S. |
 -----------------------------------------

...and so on for over 100 tasks. Each assigned resource has the ability to log in and view only their designated tasks. For example, if Bran logs in:

 -----------------------------------------
|Priority| Task                 | Resource|
 -----------------------------------------
|    2   | Write a spec.        | Bran S. |
 -----------------------------------------
|    3   | Write some code      | Bran S. |
 -----------------------------------------

The priority column corresponds to a column in our SQL Server database. I am looking for a way to utilize SQL to adjust the priority (either through the middle-tier JAVA code or using a SQL view) so that 'Bran S.' sees his priorities starting from 1. The desired outcome would be:

 -----------------------------------------
|Priority| Task                 | Resource|
 -----------------------------------------
|    1   | Write a spec.        | Bran S. |
 -----------------------------------------
|    2   | Write some code      | Bran S. |
 -----------------------------------------

I am hoping to avoid using JQuery/DOM manipulation as it can be inefficient and result in a complex system with numerous interconnected components. Any recommendations or guidance on how to achieve this objective would be highly appreciated!

javascript java sql-server

Answer 1

Answer №1

Utilizing Row_Number() in SQL Server can be quite helpful for this scenario.

For instance:

 Select [Priority] = row_number() over (partition by [resouce] order by [Priority])
       ,[Task]
       ,[Resouce]
  From  YourTable

Keep in mind: In cases of conflicting priorities, you have the option to substitute row_number() with dense_rank()

To perform updates on your table...

;with cte as (
 Select *
       ,[NewPriority] = row_number() over (partition by [resouce] order by [Priority])
  From  YourTable
)
Update cte set [Priority]=[NewPriority]

Answer 2

Utilizing Row_Number() in SQL Server can be quite helpful for this scenario.

For instance:

 Select [Priority] = row_number() over (partition by [resouce] order by [Priority])
       ,[Task]
       ,[Resouce]
  From  YourTable

Keep in mind: In cases of conflicting priorities, you have the option to substitute row_number() with dense_rank()

To perform updates on your table...

;with cte as (
 Select *
       ,[NewPriority] = row_number() over (partition by [resouce] order by [Priority])
  From  YourTable
)
Update cte set [Priority]=[NewPriority]

Answer 3

Answer №2

To incorporate row_number() function into your code, make sure to include it in either the procedure or select command you are working on.

snippet

        create table #tempTable
        (
        Priority int identity(1,1),
            Task    varchar(100),
            Resource varchar(100)
            )

        insert into  #tempTable
        select    'Create a new feature' ,'Jon S.' UNION 
        select  'Design a prototype'  ,'Daenerys Targaryen' union 
        select 'Fix a bug ' ,'Tyrion Lannister'

        select * from #tempTable

        select ROW_NUMBER() over (order by Priority),Task,  Resource
        from    #tempTable

        delete from #tempTable
        where Priority = 1

        select  ROW_NUMBER() over (order by Priority) Priority,Task,    Resource
        from    #tempTable

        drop table #tempTable

Answer 4

To incorporate row_number() function into your code, make sure to include it in either the procedure or select command you are working on.

snippet

        create table #tempTable
        (
        Priority int identity(1,1),
            Task    varchar(100),
            Resource varchar(100)
            )

        insert into  #tempTable
        select    'Create a new feature' ,'Jon S.' UNION 
        select  'Design a prototype'  ,'Daenerys Targaryen' union 
        select 'Fix a bug ' ,'Tyrion Lannister'

        select * from #tempTable

        select ROW_NUMBER() over (order by Priority),Task,  Resource
        from    #tempTable

        delete from #tempTable
        where Priority = 1

        select  ROW_NUMBER() over (order by Priority) Priority,Task,    Resource
        from    #tempTable

        drop table #tempTable

What is the method for presenting an integer column from a specific table to a user on the front end as a series that automatically increments from 1?

Answer №1

Answer №2

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