I'm trying to create temp table and insert some data from LOOP. I need to count all strings on each table, but i have error like this:
ERROR: ОШИБКА:  переменная цикла по кортежам должна быть переменной типа запись или списком скалярных переменных
LINE 16: for r in (select "table_name", "name_campaign" from "Table_7...
             ^
SQL state: 42601
Character: 206
Table names all in one existing table.
 do
$body$
declare
   v_count integer;
    
begin
set enable_seqscan = off;
drop table if exists tmp_statyks;
create temp table tmp_statyks(table_name varchar(60), name varchar(60), x_count int);
for r in (select "table_name", "name_campaign" from "Table_7517829240") 
    loop
        execute immediate 'select count(*) from ' || r."table_name" 
            into v_count;
        INSERT INTO tmp_statyks("table_name", "name" , "x_count")
        VALUES (r."table_name",r."name_campaign",v_count);
    end loop;
end
$body$
language 'plpgsql';
select * from tmp_statyks
 
    