/SQL/Postgres update with if condition query

Postgres update with if condition query

update t1
        set t1.current_location =   
        CASE  
			WHEN SUBQUERY.status = 0 THEN 'Deployed' 
			WHEN SUBQUERY.status = 1 THEN 'Retrieved' 
			WHEN SUBQUERY.status = 2 THEN 'Lost' 
            ELSE t1.current_location
		END 
from (
    select t3.serial_number, t2.status
    from t2 inner join t3
        on t2.some_id = t3.some_id
    ) as SUBQUERY

where SUBQUERY.serial_number = t1.serial_number;

Source: stackoverflow.com

Postgres update with if condition query

update t1 
  set current_location = 
    case t2.status
        when 0 then 'Deployed'
        when 1 then 'Retrieved'
        when 2 then 'Lost'
    end
from t2 inner join t3
   on t2.some_id = t3.some_id
where t3.serial_number = t1.serial_number;

Source: stackoverflow.com

Similar codes

0 vote387 views1 answer
Sqlcl format
SQL
0 vote376 views1 answer
Hue hive UploadingTextFiletoHive
SQL
0 vote335 views1 answer
Get number of tables in database sql
SQL
1 vote330 views1 answer
Crontab every month
SQL
0 vote322 views1 answer
Postgresql subquery
SQL
0 vote354 views1 answer
Why we have to set the password for my sql server
SQL
1 vote354 views1 answer
Sql first
SQL
0 vote353 views1 answer
Merge clause with inner join
SQL
7 votes354 views2 answers
Oracle foreign key reference table
SQL
5 votes339 views4 answers
Sql check
SQL