diff options
Diffstat (limited to 'mayor-orig/update/pre002653-1-naplo.sql')
-rw-r--r-- | mayor-orig/update/pre002653-1-naplo.sql | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mayor-orig/update/pre002653-1-naplo.sql b/mayor-orig/update/pre002653-1-naplo.sql new file mode 100644 index 00000000..a394aec2 --- /dev/null +++ b/mayor-orig/update/pre002653-1-naplo.sql @@ -0,0 +1,4 @@ +create temporary table _duplaHianyzas select diakId , oraId , tipus , min(hianyzasId) as hianyzasId, count(*) as db from hianyzas group by diakId , oraId , tipus having db>1; +create temporary table _torlendoHianyzas select hianyzas.hianyzasId from hianyzas left join _duplaHianyzas using (diakId, oraId, tipus) where _duplaHianyzas.hianyzasId is not null and _duplaHianyzas.hianyzasId<>hianyzas.hianyzasId; +delete from hianyzas where hianyzasId in (select hianyzasId from _torlendoHianyzas); +alter table hianyzas add UNIQUE KEY (`oraId`,`diakId`,`tipus`); |