/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

6 votes320 views1 answer
Sql insert values into table
SQL
0 vote314 views3 answers
Insert query in ci
SQL
1 vote304 views1 answer
Lpad function in sql oracle
SQL
1 vote348 views3 answers
Read all columns of a table sql
SQL
0 vote341 views2 answers
Get item by composite primary key mysql
SQL
0 vote265 views1 answer
Oracle function select into
SQL
0 vote388 views1 answer
Sql '=' cannot be applied to date varchar(10) athena
SQL
4 votes324 views6 answers
Second max salary in sql
SQL
0 vote353 views1 answer
Yesql
SQL
2 votes297 views1 answer
Insert from table tsql
SQL