mysql - SQL Select Query Tree -


i have table called admin following columns:

admin_id,  admin_table,  unit_id, unit_table

i beginning search see if admin on unit directly or further down tree. starting off admin_id, admin_table, unit_id , unit_table. because admin may control unit on unknown level of descendants.

i need change admin_id , admin_table if unit controlled admin not searched unit , admin on unit.

how using mysql database?

guys because not understand doesn't mean vote down. imagine if php. answered myself below:

select      @uid:=unit_id 'unit_id',     @utb:=unit_table 'unit_table'  admin inner join  (select @uid:='".$id."', @utb:='".$table."') tmp admin_id=@uid , admin_table=@utb')

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