i want join some table then concatenation columns
MyTable
-------------------------------
ID RowId LangId Caption
-------------------------------
1 1 1 ڕۆشتن
2 1 2 Go
3 1 3 اذهب
4 2 1 ئاو
5 2 2 water
6 2 3 ماء
I want join concatenation Caption column ex: for RowId 1 'ڕۆشتن - Go - اذهب'
Desired output
--------------------
RowId Caption
--------------------
1 ڕۆشتن - Go - اذهب
2 ئاو- water - ماء
I seen link but can't help me
You can use string_agg()
:
select rowid,
string_agg(caption, ' ') within group (order by langid) as caption
from t
group by rowid;