Copyright (C)2019 @BABOLO http://www.babolo.ru/
PKG = mini-cipa
All rights reserved.

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$Id: README,v 1.10 2019/10/01 19:04:38 babolo Exp $


==============
# TABLE    cipares  \
  TABLE    cipamask  } 
  TABLE    ciparam  /

  TABLE    cipalan  \
  TABLE    cipaon    \
  TABLE    cipain     }  
  VIEW     cipaxn    /

# TABLE    cipaghost \
# TABLE    cipapan    \
# VIEW     cipaup      \
# VIEW     cipato       } API
# FUNCTION topute      /
# FUNCTION tolate     /
# FUNCTION cipatree  /

 #       ,   
,      
   .

 
=================
   ,    .
,      ,  
,         ..
   (...)     
(...),       
 -      ,  
  .  (...)  
,         
.

    ,   
       .
       
     ,  ,  
 (...) ,      .

,   3  (, ,
)        :

 |  
--------+---------------------
      0 | ####......##.......  
      1 | ....######.........  
      2 | ............#######  

, .#...#.......##....     
  ,  ,    ,
   .
     ,   
         
      .

 
====================
  cipalan     , 
 .   cipain   
     ,    
 cipalan.    ,    
,    , ,   
 .    ,  
 ,    .  
       
  .    cipain 
 cipaon   .  cipaon    
      ,   
 ,   .  
cipamask        
,  cipares     
    .

      ,  
  .    
       
 .
 
 cipaghost     
    .  VIEW cipaup  
 ,   UPDATE     
  cipaup.          
 .  UPDATE     
,     .

 
================
 ,      
 ,  0 (  )  254 (
 ).     
     , 
(  )     
     .    
 ,      , 
 ,      < 255 ( 
)

cipares
=======
   , :
  - cipares   -     
  - ciparesnm -    

cipamask
========
      , :
  - cipalevel -   ,  , 0
                      .
  - cipamask  -      
                   ,   
                  0, 1    
                   .

ciparam
=======
  - m        -   - .
  - v        -     .
  - param    -   .

cipalan
=======
   ,  , :
  - cipalan  -    
  - cipath   - ,   argv[]  exec(3),  
                  cipain.ciparg ( ).
                      
                exec().
  - selflock -       ,
                     
               cipalan.cipath || cipain.ciparg,    
                     
                    
               . NULL      
                 ,   
               .
  - whom     - ,       .
  - period   -      , 
                    
                     .  NULL
                      
                 .
  - strict   -  TRUE     
                     
                 .  FALSE,    
                     
               .
  - selfgr   -     ,  
                     
               ,        
               .
  - success  -  TRUE    ,     0,
                   .
  - resource -   .
  - resar    -     cipalan.cipath || cipain.ciparg
               ( 1), (cipalan.cipath || cipain.ciparg)[resar[N]]
                 (...)  N  
                .
                0        .
  - renul    -   ,     ( 
               cipalan.cipath || cipain.ciparg)  
               (...)  N,  N   
                  .

cipain
======
 , :
  - cipain   -   
  - cipaher  -  ,   
  - cipalan  -    cipalan
  - waitout  -     (cipain),   
                  ,   .
  - ciparg   -  ,  cipalan.cipath. 
                cipalan.cipath || cipain.ciparg 
                 argv[]   exec(3).
  - plan     -    .
  - prio     -  ( ,  ). 
                    
                prio    .
  - deed     -     .
  - pid      - PID   .
  - try      -     ,  
                .
  - ghost    - ,      .

cipaon
======
 ,     cipain   .
:
  - cipaon   -   cipain.cipain.
  - cipalan  -   cipain.
  - ciparg   -   cipain.
  - plan     -   cipain.
  - deed     -   cipain.
  - pid      -   cipain.
  - reed     -   .
  - try      -   cipain.

cipaxn
======
VIEW,      . :
  - cipain   -   cipain.
  - cipaher  -   cipain.
  - cipalan  -   cipain.
  - waitout  -   cipain.
  - ciparg   -   cipain.
  - plan     -   cipain.
  - prio     -   cipain.
  - try      -   cipain.
  - ready    -     ,  
               ,    .

cipaghost
=========
  - m        -   - .
  - v        -     .
  - cipain   -        cipain.

cipapan
=======
        .
  - m        -   - .
  - v        -     .
  - cipalan  -       .

cipaup
======
     ,   
cipain.        
UPDATE  .   SET  m, v, cipain, cipalan 
 , ,  UPDATE ,  
.

  - m        -   -   cipaghost,   UPDATE,
                  RETURNING.
  - v        -       cipaghost,
                 UPDATE,    RETURNING.
  - cipain   -     cipain  ghost = TRUE,  UPDATE
                RETURNING  cipain   
                ghost = FALSE.
  - cipalan  -  cipain,   UPDATE,   RETURNING.
  - waitout  -  cipain,  UPDATE,   RETURNING.
  - ciparg   -  cipain,  UPDATE   
                UPDATE,   RETURNING.
  - plan     -  cipain,  UPDATE , 
                RETURNING,  .
  - prio     -  cipain,  UPDATE    UPDATE, 
                 ,   RETURNING.

         . 
    ,     
,       
     UPDATE, ,   ,  now().

cipato
======
      cipalan ԣ UPDATE  .
  SET  m, v, cipain, cipalan   , ,
 UPDATE ,  .

  - m        -   -   cipaghost,   UPDATE,
                  RETURNING.
  - v        -       cipaghost,
                 UPDATE,    RETURNING.
  - cipain   - ,  UPDATE  RETURNING  cipain 
                .
  - cipalan  -  cipain,   UPDATE,   RETURNING.
  - waitout  - ,  UPDATE,   RETURNING.
  - ciparg   - ,  UPDATE,   RETURNING.
  - plan     - ,  UPDATE,    ,  
                now(),   RETURNING.
  - prio     - ,  UPDATE,    ,  
                DEFAULT,   RETURNING.


topute()
========
   

+----------------------------------------
| CREATE TRIGGER 
|  AFTER INSERT OR UPDATE OR DELETE ON 
|  FOR EACH STATEMENT
|  EXECUTE PROCEDURE public.topute(m, v,  )
| ;
+----------------------------------------

    ,   
  cipaghost   (m, v),  
    ciparg  .

tolate()
========
   

+----------------------------------------
| CREATE TRIGGER 
|  AFTER INSERT OR UPDATE OR DELETE ON 
|  FOR EACH STATEMENT
|  EXECUTE PROCEDURE public.tolate(m, v,  )
| ;
+----------------------------------------

   ,    
 cipapan   (m, v),   
ciparg  .

cipatree(int8)
==============
      cipain,  
  ,   (public.cipain.cipain)
  .

 
====================
   cipalan   cipaxn  cipaup 
 cipaxn.     
 ,      cipaxn  
   .     , 
     ,   
   cipaxn.    cipaxn 
,        
  .  ,  , 
        
      ,  
.

 
==========================
     :

+----------------------------------------
| UPDATE cipaup
|    SET waitout = int8[]     --   
|      , ciparg  = text[]     --    
|      , plan    = timestamp  --    
|      , prio    = int2       --    
|  WHERE (m, v) = ('', '')
| ;
+----------------------------------------

 ,        
 ,  :

+----------------------------------------
| UPDATE cipaup SET m=m WHERE (m, v) = ('', '');
+----------------------------------------

    cipalan:

+----------------------------------------
| UPDATE cipato
|    SET waitout = int8[]     --    
|      , ciparg  = text[]     --    
|      , plan    = timestamp  --    
|      , prio    = int2       --    
|  WHERE (m, v) = ('', '')
| ;
+----------------------------------------

 ,    ,  :

+----------------------------------------
| UPDATE cipato SET m=m WHERE (m, v) = ('', '');
+----------------------------------------
