Hi,
i don't understand why my index is not used when i place a constant in
my query.
explain select * from employes2 where usager='postgres';
NOTICE: QUERY PLAN:
Index Scan using employes2_usager on employes2 (cost=0.00..2.01 rows=1
width=222)
EXPLAIN
explain select * from employes2 where usager=user;
NOTICE: QUERY PLAN:
Seq Scan on employes2 (cost=0.00..2.81 rows=1 width=222)
EXPLAIN
Can you help me?
--
Steve Gelinas
System administrator
