I will add some comments to the code when applying.

Your patch has been added to the PostgreSQL unapplied patches list at:

        http://momjian.postgresql.org/cgi-bin/pgpatches

It will be applied as soon as one of the PostgreSQL committers reviews
and approves it.

---------------------------------------------------------------------------


Andrew Dunstan wrote:
> 
> Attached are 2 patches and one additional alternative contrib regression 
> test file (for cube). The patches fix a misleading message in 
> pg_regress.sh, and strip the .exe suffix from the result of 
> get_progname() as previously discussed. This lets us get much further 
> with contrib regression tests - there are 2 remaining issues preventing 
> a clean run - one odd one in the seg module and a path issue in 
> tsearch2. I am looking into these. (Why am I bothered with all this? 
> Because I want the buildfarm system to run on Windows).
> 
> One odd thing I have noticed in testing, is that dropping the regression 
> database takes a *very* long time, especially after the third or fourth 
> go, and I see messages about not being able to remove the directory, 
> which means rmtree() is failing somehow.
> 
> cheers
> 
> andrew

> --
> --  Test cube datatype
> --
> --
> -- first, define the datatype.  Turn off echoing so that expected file
> -- does not depend on contents of cube.sql.
> --
> \set ECHO none
> psql:cube.sql:10: NOTICE:  type "cube" is not yet defined
> DETAIL:  Creating a shell type definition.
> psql:cube.sql:15: NOTICE:  argument type cube is only a shell
> --
> -- testing the input and output functions
> --
> -- Any number (a one-dimensional point)
> SELECT '1'::cube AS cube;
>  cube 
> ------
>  (1)
> (1 row)
> 
> SELECT '-1'::cube AS cube;
>  cube 
> ------
>  (-1)
> (1 row)
> 
> SELECT '1.'::cube AS cube;
>  cube 
> ------
>  (1)
> (1 row)
> 
> SELECT '-1.'::cube AS cube;
>  cube 
> ------
>  (-1)
> (1 row)
> 
> SELECT '.1'::cube AS cube;
>  cube  
> -------
>  (0.1)
> (1 row)
> 
> SELECT '-.1'::cube AS cube;
>   cube  
> --------
>  (-0.1)
> (1 row)
> 
> SELECT '1.0'::cube AS cube;
>  cube 
> ------
>  (1)
> (1 row)
> 
> SELECT '-1.0'::cube AS cube;
>  cube 
> ------
>  (-1)
> (1 row)
> 
> SELECT '1e27'::cube AS cube;
>    cube   
> ----------
>  (1e+027)
> (1 row)
> 
> SELECT '-1e27'::cube AS cube;
>    cube    
> -----------
>  (-1e+027)
> (1 row)
> 
> SELECT '1.0e27'::cube AS cube;
>    cube   
> ----------
>  (1e+027)
> (1 row)
> 
> SELECT '-1.0e27'::cube AS cube;
>    cube    
> -----------
>  (-1e+027)
> (1 row)
> 
> SELECT '1e+27'::cube AS cube;
>    cube   
> ----------
>  (1e+027)
> (1 row)
> 
> SELECT '-1e+27'::cube AS cube;
>    cube    
> -----------
>  (-1e+027)
> (1 row)
> 
> SELECT '1.0e+27'::cube AS cube;
>    cube   
> ----------
>  (1e+027)
> (1 row)
> 
> SELECT '-1.0e+27'::cube AS cube;
>    cube    
> -----------
>  (-1e+027)
> (1 row)
> 
> SELECT '1e-7'::cube AS cube;
>    cube   
> ----------
>  (1e-007)
> (1 row)
> 
> SELECT '-1e-7'::cube AS cube;
>    cube    
> -----------
>  (-1e-007)
> (1 row)
> 
> SELECT '1.0e-7'::cube AS cube;
>    cube   
> ----------
>  (1e-007)
> (1 row)
> 
> SELECT '-1.0e-7'::cube AS cube;
>    cube    
> -----------
>  (-1e-007)
> (1 row)
> 
> SELECT '1e-700'::cube AS cube;
>  cube 
> ------
>  (0)
> (1 row)
> 
> SELECT '-1e-700'::cube AS cube;
>  cube 
> ------
>  (0)
> (1 row)
> 
> SELECT '1234567890123456'::cube AS cube;
>           cube           
> -------------------------
>  (1.23456789012346e+015)
> (1 row)
> 
> SELECT '+1234567890123456'::cube AS cube;
>           cube           
> -------------------------
>  (1.23456789012346e+015)
> (1 row)
> 
> SELECT '-1234567890123456'::cube AS cube;
>            cube           
> --------------------------
>  (-1.23456789012346e+015)
> (1 row)
> 
> SELECT '.1234567890123456'::cube AS cube;
>         cube         
> ---------------------
>  (0.123456789012346)
> (1 row)
> 
> SELECT '+.1234567890123456'::cube AS cube;
>         cube         
> ---------------------
>  (0.123456789012346)
> (1 row)
> 
> SELECT '-.1234567890123456'::cube AS cube;
>          cube         
> ----------------------
>  (-0.123456789012346)
> (1 row)
> 
> -- simple lists (points)
> SELECT '1,2'::cube AS cube;
>   cube  
> --------
>  (1, 2)
> (1 row)
> 
> SELECT '(1,2)'::cube AS cube;
>   cube  
> --------
>  (1, 2)
> (1 row)
> 
> SELECT '1,2,3,4,5'::cube AS cube;
>       cube       
> -----------------
>  (1, 2, 3, 4, 5)
> (1 row)
> 
> SELECT '(1,2,3,4,5)'::cube AS cube;
>       cube       
> -----------------
>  (1, 2, 3, 4, 5)
> (1 row)
> 
> -- double lists (cubes)
> SELECT '(0),(0)'::cube AS cube;
>  cube 
> ------
>  (0)
> (1 row)
> 
> SELECT '(0),(1)'::cube AS cube;
>   cube   
> ---------
>  (0),(1)
> (1 row)
> 
> SELECT '[(0),(0)]'::cube AS cube;
>  cube 
> ------
>  (0)
> (1 row)
> 
> SELECT '[(0),(1)]'::cube AS cube;
>   cube   
> ---------
>  (0),(1)
> (1 row)
> 
> SELECT '(0,0,0,0),(0,0,0,0)'::cube AS cube;
>      cube     
> --------------
>  (0, 0, 0, 0)
> (1 row)
> 
> SELECT '(0,0,0,0),(1,0,0,0)'::cube AS cube;
>            cube            
> ---------------------------
>  (0, 0, 0, 0),(1, 0, 0, 0)
> (1 row)
> 
> SELECT '[(0,0,0,0),(0,0,0,0)]'::cube AS cube;
>      cube     
> --------------
>  (0, 0, 0, 0)
> (1 row)
> 
> SELECT '[(0,0,0,0),(1,0,0,0)]'::cube AS cube;
>            cube            
> ---------------------------
>  (0, 0, 0, 0),(1, 0, 0, 0)
> (1 row)
> 
> -- invalid input: parse errors
> SELECT ''::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at end of input
> SELECT 'ABC'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "A"
> SELECT '()'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ")"
> SELECT '[]'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "]"
> SELECT '[()]'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ")"
> SELECT '[(1)]'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "]"
> SELECT '[(1),]'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "]"
> SELECT '[(1),2]'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "2"
> SELECT '[(1),(2),(3)]'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ","
> SELECT '1,'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at end of input
> SELECT '1,2,'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at end of input
> SELECT '1,,2'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ","
> SELECT '(1,)'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ")"
> SELECT '(1,2,)'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ")"
> SELECT '(1,,2)'::cube AS cube;
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ","
> -- invalid input: semantic errors and trailing garbage
> SELECT '[(1),(2)],'::cube AS cube; -- 0
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ","
> SELECT '[(1,2,3),(2,3)]'::cube AS cube; -- 1
> ERROR:  bad cube representation
> DETAIL:  different point dimensions in (1,2,3) and (2,3)
> SELECT '[(1,2),(1,2,3)]'::cube AS cube; -- 1
> ERROR:  bad cube representation
> DETAIL:  different point dimensions in (1,2) and (1,2,3)
> SELECT '(1),(2),'::cube AS cube; -- 2
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ","
> SELECT '(1,2,3),(2,3)'::cube AS cube; -- 3
> ERROR:  bad cube representation
> DETAIL:  different point dimensions in (1,2,3) and (2,3)
> SELECT '(1,2),(1,2,3)'::cube AS cube; -- 3
> ERROR:  bad cube representation
> DETAIL:  different point dimensions in (1,2) and (1,2,3)
> SELECT '(1,2,3)ab'::cube AS cube; -- 4
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "a"
> SELECT '(1,2,3)a'::cube AS cube; -- 5
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "a"
> SELECT '(1,2)('::cube AS cube; -- 5
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "("
> SELECT '1,2ab'::cube AS cube; -- 6
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "a"
> SELECT '1 e7'::cube AS cube; -- 6
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "e"
> SELECT '1,2a'::cube AS cube; -- 7
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near "a"
> SELECT '1..2'::cube AS cube; -- 7
> ERROR:  bad cube representation
> DETAIL:  syntax error at or near ".2"
> --
> -- Testing building cubes from float8 values
> --
> SELECT cube(0::float8);
>  cube 
> ------
>  (0)
> (1 row)
> 
> SELECT cube(1::float8);
>  cube 
> ------
>  (1)
> (1 row)
> 
> SELECT cube(1,2);
>   cube   
> ---------
>  (1),(2)
> (1 row)
> 
> SELECT cube(cube(1,2),3);
>      cube      
> ---------------
>  (1, 3),(2, 3)
> (1 row)
> 
> SELECT cube(cube(1,2),3,4);
>      cube      
> ---------------
>  (1, 3),(2, 4)
> (1 row)
> 
> SELECT cube(cube(cube(1,2),3,4),5);
>         cube         
> ---------------------
>  (1, 3, 5),(2, 4, 5)
> (1 row)
> 
> SELECT cube(cube(cube(1,2),3,4),5,6);
>         cube         
> ---------------------
>  (1, 3, 5),(2, 4, 6)
> (1 row)
> 
> --
> -- Test that the text -> cube cast was installed.
> --
> SELECT '(0)'::text::cube;
>  cube 
> ------
>  (0)
> (1 row)
> 
> --
> -- Testing limit of CUBE_MAX_DIM dimensions check in cube_in.
> --
> select 
> '(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)'::cube;
> ERROR:  bad cube representation
> DETAIL:  more than 100 dimensions
> select 
> '(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)'::cube;
> ERROR:  bad cube representation
> DETAIL:  more than 100 dimensions
> --
> -- testing the  operators
> --
> -- equality/inequality:
> --
> SELECT '24, 33.20'::cube    =  '24, 33.20'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '24, 33.20'::cube    != '24, 33.20'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '24, 33.20'::cube    =  '24, 33.21'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '24, 33.20'::cube    != '24, 33.21'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube  =  '(2,0,0,0,0),(3,1,0,0,0)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube  =  '(2,0,0,0,0),(3,1,0,0,1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> -- "lower than" / "greater than"
> -- (these operators are not useful for anything but ordering)
> --
> SELECT '1'::cube   > '2'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1'::cube   < '2'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '1,1'::cube > '1,2'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1,1'::cube < '1,2'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube             > '(2,0,0,0,0),(3,1,0,0,1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube             < '(2,0,0,0,0),(3,1,0,0,1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube             > '(2,0,0,0,1),(3,1,0,0,0)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube             < '(2,0,0,0,1),(3,1,0,0,0)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube             > '(2,0,0,0,0),(3,1,0,0,0)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(2,0),(3,1)'::cube             < '(2,0,0,0,0),(3,1,0,0,0)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0,0,0,0),(3,1,0,0,1)'::cube > '(2,0),(3,1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0,0,0,0),(3,1,0,0,1)'::cube < '(2,0),(3,1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(2,0,0,0,1),(3,1,0,0,0)'::cube > '(2,0),(3,1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0,0,0,1),(3,1,0,0,0)'::cube < '(2,0),(3,1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(2,0,0,0,0),(3,1,0,0,0)'::cube > '(2,0),(3,1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2,0,0,0,0),(3,1,0,0,0)'::cube < '(2,0),(3,1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> -- "overlap"
> --
> SELECT '1'::cube && '1'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '1'::cube && '2'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '0'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '1'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '1,1,1'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '[(1,1,1),(2,2,2)]'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '[(1,1),(2,2)]'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '[(2,1,1),(2,2,2)]'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> -- "overlap on the left" / "overlap on the right"
> -- (these operators are not useful at all but R-tree seems to be
> -- sensitive to their presence)
> --
> SELECT '1'::cube &< '0'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1'::cube &< '1'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '1'::cube &< '2'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube &< '0'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube &< '1'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube &< '(0),(0.5)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube &< '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube &< '(0),(2)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube &< '(1),(2)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube &< '(2),(3)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '0'::cube &> '1'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1'::cube &> '1'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '2'::cube &> '1'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '0'::cube        &> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '1'::cube        &> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(0.5)'      &> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube  &> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(2)'::cube  &> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(1),(2)'::cube  &> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(2),(3)'::cube  &> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> -- "left" / "right"
> -- (these operators are not useful but for 1-D or 2-D cubes, but R-tree
> -- seems to want them defined)
> --
> SELECT '1'::cube << '0'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1'::cube << '1'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1'::cube << '2'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube << '0'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube << '1'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube << '(0),(0.5)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube << '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube << '(0),(2)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube << '(1),(2)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(1)'::cube << '(2),(3)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0'::cube >> '1'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1'::cube >> '1'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '2'::cube >> '1'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0'::cube        >> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1'::cube        >> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(0),(0.5)'      >> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(1)'::cube  >> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(0),(2)'::cube  >> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(1),(2)'::cube  >> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(2),(3)'::cube  >> '(0),(1)'::cube AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> -- "contained in" (the left operand is the cube entirely enclosed by
> -- the right operand):
> --
> SELECT '0'::cube                 ~ '0'::cube                        AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0,0,0'::cube             ~ '0,0,0'::cube                    AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0,0'::cube               ~ '0,0,1'::cube                    AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0,0,0'::cube             ~ '0,0,1'::cube                    AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '1,0,0'::cube             ~ '0,0,1'::cube                    AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(1,0,0),(0,0,1)'::cube   ~ '(1,0,0),(0,0,1)'::cube          AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(1,0,0),(0,0,1)'::cube   ~ '(-1,-1,-1),(1,1,1)'::cube       AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(1,0,0),(0,0,1)'::cube   ~ '(-1,-1,-1,-1),(1,1,1,1)'::cube  AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0'::cube                 ~ '(-1),(1)'::cube                 AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '1'::cube                 ~ '(-1),(1)'::cube                 AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '-1'::cube                ~ '(-1),(1)'::cube                 AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1),(1)'::cube          ~ '(-1),(1)'::cube                 AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1),(1)'::cube          ~ '(-1,-1),(1,1)'::cube            AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-2),(1)'::cube          ~ '(-1),(1)'::cube                 AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(-2),(1)'::cube          ~ '(-1,-1),(1,1)'::cube            AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> -- "contains" (the left operand is the cube that entirely encloses the
> -- right operand)
> --
> SELECT '0'::cube                        @ '0'::cube                 AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0,0,0'::cube                    @ '0,0,0'::cube             AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0,0,1'::cube                    @ '0,0'::cube               AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '0,0,1'::cube                    @ '0,0,0'::cube             AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '0,0,1'::cube                    @ '1,0,0'::cube             AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(1,0,0),(0,0,1)'::cube          @ '(1,0,0),(0,0,1)'::cube   AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1,-1,-1),(1,1,1)'::cube       @ '(1,0,0),(0,0,1)'::cube   AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1,-1,-1,-1),(1,1,1,1)'::cube  @ '(1,0,0),(0,0,1)'::cube   AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1),(1)'::cube                 @ '0'::cube                 AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1),(1)'::cube                 @ '1'::cube                 AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1),(1)'::cube                 @ '-1'::cube                AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1),(1)'::cube                 @ '(-1),(1)'::cube          AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1,-1),(1,1)'::cube            @ '(-1),(1)'::cube          AS bool;
>  bool 
> ------
>  t
> (1 row)
> 
> SELECT '(-1),(1)'::cube                 @ '(-2),(1)'::cube          AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> SELECT '(-1,-1),(1,1)'::cube            @ '(-2),(1)'::cube          AS bool;
>  bool 
> ------
>  f
> (1 row)
> 
> -- Test of distance function
> --
> SELECT cube_distance('(0)'::cube,'(2,2,2,2)'::cube);
>  cube_distance 
> ---------------
>              4
> (1 row)
> 
> SELECT cube_distance('(0)'::cube,'(.3,.4)'::cube);
>  cube_distance 
> ---------------
>            0.5
> (1 row)
> 
> -- Test of cube function (text to cube)
> --
> SELECT cube('('||1||','||1.2||')');
>    cube   
> ----------
>  (1, 1.2)
> (1 row)
> 
> SELECT cube(NULL);
>  cube 
> ------
>  
> (1 row)
> 
> -- Test of cube_dim function (dimensions stored in cube)
> --
> SELECT cube_dim('(0)'::cube);
>  cube_dim 
> ----------
>         1
> (1 row)
> 
> SELECT cube_dim('(0,0)'::cube);
>  cube_dim 
> ----------
>         2
> (1 row)
> 
> SELECT cube_dim('(0,0,0)'::cube);
>  cube_dim 
> ----------
>         3
> (1 row)
> 
> -- Test of cube_ll_coord function (retrieves LL coodinate values)
> --
> SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 1);
>  cube_ll_coord 
> ---------------
>             -1
> (1 row)
> 
> SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 2);
>  cube_ll_coord 
> ---------------
>             -2
> (1 row)
> 
> SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 3);
>  cube_ll_coord 
> ---------------
>              0
> (1 row)
> 
> -- Test of cube_ur_coord function (retrieves UR coodinate values)
> --
> SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 1);
>  cube_ur_coord 
> ---------------
>              2
> (1 row)
> 
> SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 2);
>  cube_ur_coord 
> ---------------
>              1
> (1 row)
> 
> SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 3);
>  cube_ur_coord 
> ---------------
>              0
> (1 row)
> 
> -- Test of cube_is_point
> --
> SELECT cube_is_point('(0)'::cube);
>  cube_is_point 
> ---------------
>  t
> (1 row)
> 
> SELECT cube_is_point('(0,1,2)'::cube);
>  cube_is_point 
> ---------------
>  t
> (1 row)
> 
> SELECT cube_is_point('(0,1,2),(0,1,2)'::cube);
>  cube_is_point 
> ---------------
>  t
> (1 row)
> 
> SELECT cube_is_point('(0,1,2),(-1,1,2)'::cube);
>  cube_is_point 
> ---------------
>  f
> (1 row)
> 
> SELECT cube_is_point('(0,1,2),(0,-1,2)'::cube);
>  cube_is_point 
> ---------------
>  f
> (1 row)
> 
> SELECT cube_is_point('(0,1,2),(0,1,-2)'::cube);
>  cube_is_point 
> ---------------
>  f
> (1 row)
> 
> -- Test of cube_enlarge (enlarging and shrinking cubes)
> --
> SELECT cube_enlarge('(0)'::cube, 0, 0);
>  cube_enlarge 
> --------------
>  (0)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, 0, 1);
>  cube_enlarge 
> --------------
>  (0)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, 0, 2);
>  cube_enlarge 
> --------------
>  (0)
> (1 row)
> 
> SELECT cube_enlarge('(2),(-2)'::cube, 0, 4);
>  cube_enlarge 
> --------------
>  (-2),(2)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, 1, 0);
>  cube_enlarge 
> --------------
>  (-1),(1)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, 1, 1);
>  cube_enlarge 
> --------------
>  (-1),(1)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, 1, 2);
>   cube_enlarge   
> -----------------
>  (-1, -1),(1, 1)
> (1 row)
> 
> SELECT cube_enlarge('(2),(-2)'::cube, 1, 4);
>          cube_enlarge          
> -------------------------------
>  (-3, -1, -1, -1),(3, 1, 1, 1)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, -1, 0);
>  cube_enlarge 
> --------------
>  (0)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, -1, 1);
>  cube_enlarge 
> --------------
>  (0)
> (1 row)
> 
> SELECT cube_enlarge('(0)'::cube, -1, 2);
>  cube_enlarge 
> --------------
>  (0)
> (1 row)
> 
> SELECT cube_enlarge('(2),(-2)'::cube, -1, 4);
>  cube_enlarge 
> --------------
>  (-1),(1)
> (1 row)
> 
> SELECT cube_enlarge('(0,0,0)'::cube, 1, 0);
>       cube_enlarge      
> ------------------------
>  (-1, -1, -1),(1, 1, 1)
> (1 row)
> 
> SELECT cube_enlarge('(0,0,0)'::cube, 1, 2);
>       cube_enlarge      
> ------------------------
>  (-1, -1, -1),(1, 1, 1)
> (1 row)
> 
> SELECT cube_enlarge('(2,-2),(-3,7)'::cube, 1, 2);
>   cube_enlarge   
> -----------------
>  (-4, -3),(3, 8)
> (1 row)
> 
> SELECT cube_enlarge('(2,-2),(-3,7)'::cube, 3, 2);
>    cube_enlarge   
> ------------------
>  (-6, -5),(5, 10)
> (1 row)
> 
> SELECT cube_enlarge('(2,-2),(-3,7)'::cube, -1, 2);
>   cube_enlarge   
> -----------------
>  (-2, -1),(1, 6)
> (1 row)
> 
> SELECT cube_enlarge('(2,-2),(-3,7)'::cube, -3, 2);
>     cube_enlarge     
> ---------------------
>  (-0.5, 1),(-0.5, 4)
> (1 row)
> 
> -- Load some example data and build the index
> -- 
> CREATE TABLE test_cube (c cube);
> \copy test_cube from 'data/test_cube.data'
> CREATE INDEX test_cube_ix ON test_cube USING gist (c);
> SELECT * FROM test_cube       WHERE c && '(3000,1000),(0,0)';
>             c             
> --------------------------
>  (2424, 160),(2424, 81)
>  (759, 187),(662, 163)
>  (1444, 403),(1346, 344)
>  (337, 455),(240, 359)
>  (1594, 1043),(1517, 971)
> (5 rows)
> 
> -- Test sorting 
> SELECT * FROM test_cube       WHERE c && '(3000,1000),(0,0)' GROUP BY c;
>             c             
> --------------------------
>  (337, 455),(240, 359)
>  (759, 187),(662, 163)
>  (1444, 403),(1346, 344)
>  (1594, 1043),(1517, 971)
>  (2424, 160),(2424, 81)
> (5 rows)
> 



> 
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-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  [EMAIL PROTECTED]               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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