So, I’m creating a View that pulls a bunch of data (with a SUM aggregate on one field). The query contains GROUP BY clause and when I do the month conversion in the query as follows, I get an %invalid character% error.
SELECT Code, Name, Products, SUM(Costs) AS TOTAL, Year, to_char(to_date(PurchaseMonth),'DD-Mon-yyyy') AS MonthProductPurchased FROM ProductCatalog <BUNCH OF JOINS HERE> WHERE ABC.Code=DEF.Code AND Products IS NOT null GROUP BY Code, Name, Products, Year, MonthProductPurchased;
So, for instance, I want to convert ‘1’ in the Month field to ‘January’, ‘2’ to February, so on and so forth.
I see, you have something called
PurchaseMonth and it takes the values 1, 2, 3, etc. You want to convert these to month names. How about this?
to_char(to_date('2000-' || PurchaseMonth || '-01'), 'YYYY-MM-DD'), 'MONTH')