/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 vote124 views1 answer
Replace \n sql
SQL
20 votes117 views3 answers
SQL query rename table
SQL
0 vote124 views1 answer
Datagrip execute procedure
SQL
5 votes112 views1 answer
Invalid column name sql
SQL
1 vote126 views2 answers
Mysql limit offset
SQL
1 vote131 views1 answer
Sql select max value from multiple rows
SQL
0 vote124 views1 answer
T sql return on letters only
SQL
0 vote109 views1 answer
Change database name psql 8
SQL
-1 vote112 views1 answer
Io
SQL
1 vote120 views1 answer
Where to locate set password for mysql
SQL