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The attached patch provides cube with 4 functions for building cubes

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directly from float8 values. (As opposed to converting the values to
strings
and then parsing the strings.)
The functions are:
cube(float8) returns cube
cube(float8,float8) returns cube
cube(cube,float8) returns cube
cube(cube,float8,float8) returns cube

Bruno Wolff III
This commit is contained in:
Bruce Momjian
2003-02-13 05:26:50 +00:00
parent f249daf9b7
commit 80b3513d57
5 changed files with 205 additions and 17 deletions
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21
contrib/cube/README.cube
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@ -264,6 +264,27 @@ cube(text) returns cube
cube takes text input and returns a cube. This is useful for making cubes
from computed strings.
cube(float8) returns cube
This makes a one dimensional cube with both coordinates the same.
If the type of the argument is a numeric type other than float8 an
explicit cast to float8 may be needed.
cube(1) == '(1)'
cube(float8, float8) returns cube
This makes a one dimensional cube.
cube(1,2) == '(1),(2)'
cube(cube, float8) returns cube
This builds a new cube by adding a dimension on to an existing cube with
the same values for both parts of the new coordinate. This is useful for
building cubes piece by piece from calculated values.
cube('(1)',2) == '(1,2),(1,2)'
cube(cube, float8, float8) returns cube
This builds a new cube by adding a dimension on to an existing cube.
This is useful for building cubes piece by piece from calculated values.
cube('(1,2)',3,4) == '(1,3),(2,4)'
cube_dim(cube) returns int
cube_dim returns the number of dimensions stored in the the data structure
for a cube. This is useful for constraints on the dimensions of a cube.