Filtering EAV table with multiple conditions

Question

I have 2 tables:

Table objects:

object_id | object_group_id

Table attributes:

attr_id | a         


        

Answer 1

Try this. I am not sure why do you have the last lines

SELECT
  o.object_id, o.object_group_id,
  f1.attr_value AS val1,
  f2.attr_value AS val2,
FROM objects AS o
LEFT JOIN attributes f1 ON o.object_id = f1.attr_object_id AND f1.attr_property_id = 1
LEFT JOIN attributes f1 ON o.object_id = f2.attr_object_id AND f2.attr_property_id = 2
WHERE
    o.object_group_id = 1
AND
   f1.attr_value <= '100000'
AND
   f2.attr_value > '2000';

remove this lines and test it also

AND
   f1.attr_value <= '100000'
AND
   f2.attr_value > '2000';