-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathcatalog-pg-range.html
More file actions
20 lines (20 loc) · 6.82 KB
/
Copy pathcatalog-pg-range.html
File metadata and controls
20 lines (20 loc) · 6.82 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>51.42. pg_range</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="catalog-pg-publication-rel.html" title="51.41. pg_publication_rel" /><link rel="next" href="catalog-pg-replication-origin.html" title="51.43. pg_replication_origin" /><meta name="viewport" content="width=device-width,initial-scale=1.0" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="4" align="center"><a accesskey="h" href="index.html">PostgreSQL 10.5文書</a></th></tr><tr><td width="10%" align="left"></td><td width="10%" align="left"></td><td width="60%" align="center"><a href="catalogs.html" title="第51章 システムカタログ">第51章 システムカタログ</a></td><td width="20%" align="right"><div class="actions"><a class="issue" title="github" href="https://github.com/pgsql-jp/jpug-doc/issues/new?title=version 10.5 catalog-pg-range.html">誤訳等の報告
</a></div></td></tr><tr><td width="10%" align="left"><a accesskey="p" href="catalog-pg-publication-rel.html" title="51.41. pg_publication_rel">前へ</a> </td><td width="10%" align="left"><a accesskey="u" href="catalogs.html" title="第51章 システムカタログ">上へ</a></td><td width="60%" align="center">51.42. <code class="structname">pg_range</code></td><td width="20%" align="right"> <a accesskey="n" href="catalog-pg-replication-origin.html" title="51.43. pg_replication_origin">次へ</a></td></tr></table><hr /></div><div class="sect1" id="CATALOG-PG-RANGE"><div class="titlepage"><div><div><h2 class="title" style="clear: both">51.42. <code class="structname">pg_range</code></h2></div></div></div><a id="id-1.10.4.44.2" class="indexterm"></a><p><span class="original">
The catalog <structname>pg_range</structname> stores information about
range types. This is in addition to the types' entries in
<link linkend="catalog-pg-type"><structname>pg_type</structname></link>.
</span><code class="structname">pg_range</code>カタログは、範囲型についての情報を保存します。
これは<a class="link" href="catalog-pg-type.html" title="51.62. pg_type"><code class="structname">pg_type</code></a>内の型のエントリに追加されます。
</p><div class="table" id="id-1.10.4.44.4"><p class="title"><strong>表51.42 <code class="structname">pg_range</code>の列</strong></p><div class="table-contents"><span class="original">
<title><structname>pg_range</> Columns</title>
</span><table class="table" summary="pg_rangeの列" border="1"><colgroup><col /><col /><col /><col /></colgroup><thead><tr><th>名前</th><th>型</th><th>参照先</th><th>説明</th></tr></thead><tbody><tr><td><code class="structfield">rngtypid</code></td><td><code class="type">oid</code></td><td><code class="literal"><a class="link" href="catalog-pg-type.html" title="51.62. pg_type"><code class="structname">pg_type</code></a>.oid</code></td><td>範囲型のOID</td></tr><tr><td><code class="structfield">rngsubtype</code></td><td><code class="type">oid</code></td><td><code class="literal"><a class="link" href="catalog-pg-type.html" title="51.62. pg_type"><code class="structname">pg_type</code></a>.oid</code></td><td>この範囲型の要素型(派生元型)のOID</td></tr><tr><td><code class="structfield">rngcollation</code></td><td><code class="type">oid</code></td><td><code class="literal"><a class="link" href="catalog-pg-collation.html" title="51.12. pg_collation"><code class="structname">pg_collation</code></a>.oid</code></td><td>範囲比較のために使用される照合のOID。何もない場合はゼロです。</td></tr><tr><td><code class="structfield">rngsubopc</code></td><td><code class="type">oid</code></td><td><code class="literal"><a class="link" href="catalog-pg-opclass.html" title="51.33. pg_opclass"><code class="structname">pg_opclass</code></a>.oid</code></td><td>範囲比較のために使用される派生元型の演算子クラスのOID</td></tr><tr><td><code class="structfield">rngcanonical</code></td><td><code class="type">regproc</code></td><td><code class="literal"><a class="link" href="catalog-pg-proc.html" title="51.39. pg_proc"><code class="structname">pg_proc</code></a>.oid</code></td><td>範囲型を標準型に変換する関数のOID。何もない場合はゼロです。</td></tr><tr><td><code class="structfield">rngsubdiff</code></td><td><code class="type">regproc</code></td><td><code class="literal"><a class="link" href="catalog-pg-proc.html" title="51.39. pg_proc"><code class="structname">pg_proc</code></a>.oid</code></td><td>２つの要素値の間の違いを<code class="type">double precision</code>として返す関数のOID、なければゼロ</td></tr></tbody></table></div></div><br class="table-break" /><p><span class="original">
<structfield>rngsubopc</> (plus <structfield>rngcollation</>, if the
element type is collatable) determines the sort ordering used by the range
type. <structfield>rngcanonical</> is used when the element type is
discrete. <structfield>rngsubdiff</> is optional but should be supplied to
improve performance of GiST indexes on the range type.
</span> <code class="structfield">rngsubopc</code> (および、要素型が照合可能である場合は<code class="structfield">rngcollation</code>)は
範囲型で使用されるソートの順番を決定します。<code class="structfield">rngcanonical</code>は要素型が離散的である場合に使用されます。
<code class="structfield">rngsubdiff</code>は省略可能ですが、範囲型に対するGiSTインデックスの性能を向上するためには提供しなければなりません。
</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="catalog-pg-publication-rel.html">前へ</a> </td><td width="20%" align="center"><a accesskey="u" href="catalogs.html">上へ</a></td><td width="40%" align="right"> <a accesskey="n" href="catalog-pg-replication-origin.html">次へ</a></td></tr><tr><td width="40%" align="left" valign="top">51.41. <code class="structname">pg_publication_rel</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html">ホーム</a></td><td width="40%" align="right" valign="top"> 51.43. <code class="structname">pg_replication_origin</code></td></tr></table></div></body></html>