MySQL join inside subquery -


i have this:

# tab1 = company # tab2 = forms # tab3 = filled forms each company enabled it.  # search companies pending/empty forms. # company #1 has 3 forms, filled, not listed; # company #2 has form 2 , 3, form 2 filled, listed; # company #3 has not form filled, listed;  select company.* tab1 company  (   select true   tab2 forms    # join compatible company forms results/fills.   # itll join company.id (that here not exists) , forms.id (that exists)   left join tab3 fills on     fills.id_tab1 = company.id ,     fills.id_tab2 = forms.id    # itll filter forms company have.   # , accept if none result found, mean "pending fill" on company.   # need that.        find_in_set(forms.id, company.id_forms) ,     fills.id null )

and unknown column tab1.id.
how solve it?

i need have access tab1 columns inside of inner of subquery.

update #1 - live sample: http://sqlfiddle.com/#!2/20aa5/3

try code, logic same

 select tab1.* tab1         inner join tab3 on  tab3.id_tab1 = tab1.id     .....

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