diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/cube.sgml | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/doc/src/sgml/cube.sgml b/doc/src/sgml/cube.sgml index 1ffc40f1a5b..3d503719c59 100644 --- a/doc/src/sgml/cube.sgml +++ b/doc/src/sgml/cube.sgml @@ -186,10 +186,11 @@ <entry><literal>a ~> n</></entry> <entry><type>float8</></entry> <entry> - Get <replaceable>n</>-th coordinate in <quote>normalized</> cube - representation, in which the coordinates have been rearranged into - the form <quote>lower left — upper right</>; that is, the - smaller endpoint along each dimension appears first. + Get <replaceable>n</>-th coordinate of cube in following way: + n = 2 * k - 1 means lower bound of <replaceable>k</>-th + dimension, n = 2 * k means upper bound of + <replaceable>k</>-th dimension. This operator is designed + for KNN-GiST support. </entry> </row> |