/SQL/Select a row include list of array with join two table SQL

Select a row include list of array with join two table SQL

SELECT e.aid, e.actors, a.act_names, e.benefactors, b.ben_names
FROM   eg_assoc e
, LATERAL (
   SELECT ARRAY( SELECT name
                 FROM   generate_subscripts(e.actors, 1) i
                 JOIN   eg_person p ON p.id = e.actors[i]
                 ORDER  BY i)
   ) a(act_names)
, LATERAL (
   SELECT ARRAY( SELECT name
                 FROM   generate_subscripts(e.benefactors, 1) i
                 JOIN   eg_person p ON p.id = e.benefactors[i]
                 ORDER  BY i)
   ) b(ben_names);

Source: stackoverflow.com

Select a row include list of array with join table SQL

SELECT id, i.title AS item_title, t.tag_array
FROM   items      i
JOIN  (  -- or LEFT JOIN ?
   SELECT it.item_id AS id, array_agg(t.title) AS tag_array
   FROM   items_tags it
   JOIN   tags       t  ON t.id = it.tag_id
   GROUP  BY it.item_id
   ) t USING (id);

Source: dba.stackexchange.com

Similar codes

1 vote136 views1 answer
Sql how to replace full stop
SQL
0 vote137 views1 answer
Openquery join two tables
SQL
1 vote124 views1 answer
Funzioni plsql
SQL
0 vote170 views1 answer
Select true if exists on another table or false sqlserver
SQL
3 votes128 views2 answers
Order by postgresql
SQL
58 votes288 views4 answers
Mysql drop column
SQL
0 vote131 views1 answer
Add unique constraint sql server multiple columns
SQL
0 vote128 views1 answer
Implicit inner join table alias with id values
SQL
0 vote147 views1 answer
Mysql update column default value CURRENT_TIMESTAMP error
SQL
0 vote126 views1 answer
Mysql date format unix timestamp
SQL