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Rename the "point is strictly above/below point" comparison operators.

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Historically these were called >^ and <^, but that is inconsistent
with the similar box, polygon, and circle operators, which are named
|>> and <<| respectively.  Worse, the >^ and <^ names are used for
*not* strict above/below tests for the box type.

Hence, invent new operators following the more common naming.  The
old operators remain available for now, and are still accepted by
the relevant index opclasses too.  But there's a deprecation notice,
so maybe we can get rid of them someday.

Emre Hasegeli, reviewed by Pavel Borisov

Discussion: https://postgr.es/m/24348.1587444160@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2020-11-23 11:38:37 -05:00
parent d36228a9fc
commit 0cc9932788
17 changed files with 159 additions and 132 deletions
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14
doc/src/sgml/spgist.sgml
View File

@ -76,7 +76,7 @@
<row>
<entry valign="middle" morerows="11"><literal>box_ops</literal></entry>
<entry><literal>&lt;&lt; (box,box)</literal></entry>
<entry valign="middle" morerows="11"><literal>&lt;-&gt; (box,point)</literal></entry>
<entry valign="middle" morerows="11"><literal>&lt;-&gt; (box,point)</literal></entry>
</row>
<row><entry><literal>&amp;&lt; (box,box)</literal></entry></row>
<row><entry><literal>&amp;&gt; (box,box)</literal></entry></row>
@ -92,12 +92,12 @@
<row>
<entry valign="middle" morerows="5"><literal>kd_point_ops</literal></entry>
<entry><literal>&gt;^ (point,point)</literal></entry>
<entry><literal>|&gt;&gt; (point,point)</literal></entry>
<entry valign="middle" morerows="5"><literal>&lt;-&gt; (point,point)</literal></entry>
</row>
<row><entry><literal>&lt;&lt; (point,point)</literal></entry></row>
<row><entry><literal>&gt;&gt; (point,point)</literal></entry></row>
<row><entry><literal>&lt;^ (point,point)</literal></entry></row>
<row><entry><literal>&lt;&lt;| (point,point)</literal></entry></row>
<row><entry><literal>~= (point,point)</literal></entry></row>
<row><entry><literal>&lt;@ (point,box)</literal></entry></row>
@ -132,16 +132,16 @@
<row><entry><literal>&lt;&lt;| (polygon,polygon)</literal></entry></row>
<row><entry><literal>&amp;&lt;| (polygon,polygon)</literal></entry></row>
<row><entry><literal>|&gt;&gt; (polygon,polygon)</literal></entry></row>
<row><entry><literal>|&amp;&gt; (polygon,polygon)</literal></entry></row>
<row><entry><literal>|&amp;&gt; (polygon,polygon)</literal></entry></row>
<row>
<entry valign="middle" morerows="5"><literal>quad_point_ops</literal></entry>
<entry><literal>&gt;^ (point,point)</literal></entry>
<entry><literal>|&gt;&gt; (point,point)</literal></entry>
<entry valign="middle" morerows="5"><literal>&lt;-&gt; (point,point)</literal></entry>
</row>
<row><entry><literal>&lt;&lt; (point,point)</literal></entry></row>
<row><entry><literal>&gt;&gt; (point,point)</literal></entry></row>
<row><entry><literal>&lt;^ (point,point)</literal></entry></row>
<row><entry><literal>&lt;&lt;| (point,point)</literal></entry></row>
<row><entry><literal>~= (point,point)</literal></entry></row>
<row><entry><literal>&lt;@ (point,box)</literal></entry></row>
@ -159,7 +159,7 @@
<row><entry><literal>&amp;&lt; (anyrange,anyrange)</literal></entry></row>
<row><entry><literal>&amp;&gt; (anyrange,anyrange)</literal></entry></row>
<row><entry><literal>-|- (anyrange,anyrange)</literal></entry></row>
<row>
<entry valign="middle" morerows="9"><literal>text_ops</literal></entry>
<entry><literal>= (text,text)</literal></entry>