mysql join and issues with loading data -


i working mysql code , giving me headache, upload image of tables how , how trying fetch data.

http://pasteboard.co/1kqrvuvn.png

the issue is:

i in process of doing update/insert

so query trying fetch common results both tables , if there no common stuff, want load tasktemplates tables values new.

here query trying

so below query runs in loop every record , check if record exists in temple or task tale or not.

it works if no task found, not load templates table, please guide should ..

thanks 

select tasktemplates.*,task.* tasktemplates         right join task on task.templateid = tasktemplates.id           1=1         , (templateid = #val(k)# or task.id = #val(k)#)

try it-

select tasktemplates.*,task.*  tasktemplates  left join task b  on b.templateid = a.id

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