1
0
mirror of https://github.com/postgres/postgres.git synced 2025-12-21 05:21:08 +03:00

Entity-ify a passel of & < > characters. Per gripe from Devrim.

This commit is contained in:
Tom Lane
2007-12-03 23:49:51 +00:00
parent f538329f9d
commit 4c128303e0
21 changed files with 134 additions and 135 deletions

View File

@@ -287,28 +287,28 @@ a = b Same as
</para>
<programlisting>
a && b Overlaps
a &amp;&amp; b Overlaps
</programlisting>
<para>
The cubements a and b overlap.
</para>
<programlisting>
a @> b Contains
a @&gt; b Contains
</programlisting>
<para>
The cubement a contains the cubement b.
</para>
<programlisting>
a <@ b Contained in
a &lt;@ b Contained in
</programlisting>
<para>
The cubement a is contained in b.
</para>
<para>
(Before PostgreSQL 8.2, the containment operators @> and <@ were
(Before PostgreSQL 8.2, the containment operators @&gt; and &lt;@ were
respectively called @ and ~. These names are still available, but are
deprecated and will eventually be retired. Notice that the old names
are reversed from the convention formerly followed by the core geometric
@@ -326,8 +326,8 @@ a <@ b Contained in
</para>
<programlisting>
[a, b] < [c, d] Less than
[a, b] > [c, d] Greater than
[a, b] &lt; [c, d] Less than
[a, b] &gt; [c, d] Greater than
</programlisting>
<para>
@@ -462,10 +462,10 @@ a <@ b Contained in
is useful for creating bounding boxes around a point for searching for
nearby points. All defined dimensions are changed by the radius. If n
is greater than the number of defined dimensions and the cube is being
increased (r >= 0) then 0 is used as the base for the extra coordinates.
increased (r &gt;= 0) then 0 is used as the base for the extra coordinates.
LL coordinates are decreased by r and UR coordinates are increased by r.
If a LL coordinate is increased to larger than the corresponding UR
coordinate (this can only happen when r < 0) than both coordinates are
coordinate (this can only happen when r &lt; 0) than both coordinates are
set to their average. To make it harder for people to break things there
is an effective maximum on the dimension of cubes of 100. This is set
in cubedata.h if you need something bigger.