A Database Error Occurred

Error Number: 1055

Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 't.cpvs' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

SELECT substr(cpvs,1,3) as cpv, COUNT(id) as ilosc FROM ( SELECT id, cpvs FROM ogloszenia_2015_01 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_02 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_03 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_04 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_05 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_06 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_07 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_08 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_09 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_10 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_11 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%' UNION ALL SELECT id, cpvs FROM ogloszenia_2015_12 WHERE cpvs NOT LIKE 'c411%' AND cpvs LIKE '%c411%') t GROUP BY substr(cpv,1,3)

Filename: models/Raporty_model.php

Line Number: 179