Multiple case statement not working as expected in Postgres. Select id , case when empid = then blue when empid = then green when empid = then red else . SQL query with numerous CASE statements (on same condition!) without . Introduction to PostgreSQL CASE Each condition is a boolean expression and based on its output the result is chosen. If all the expressions corresponding to WHEN are evaluated to be False , then the result respective to the ELSE part is shown. The following illustrates the general form of the CASE statement :. PostgreSQL How to Use Filter to Have Multiple Counts in PostgreSQL How to . IF and CASE are two conditionals statements and they are used . This PostgreSQL WHERE clause example uses the WHERE clause to define multiple conditions. In this case , this SELECT statement uses the AND condition to . PostgreSQL allows you to extend the database functionality with user-defined.
The OUT argument declaration is useful when you need to return multiple values. This is similar to IF statement , but the CASE operator allows you to execute . Returning data in multiple columns. It would be so great to get this kind of formatting help in psql itself.
I think that you already made a main thing – transform original select statement to multi column output. Specifies a result when there are multiple conditions.