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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:18:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:18:03 +0000 |
| commit | b4b8efbd3826ac0af2d1c2e7c40fcf80a4bfba45 (patch) | |
| tree | bec866278030c41c624a91037b1dd88f41c99d8e /doc/src/sgml/html/indexes-index-only-scans.html | |
| parent | Adding upstream version 15.5. (diff) | |
| download | postgresql-15-upstream/15.6.tar.xz postgresql-15-upstream/15.6.zip | |
Adding upstream version 15.6.upstream/15.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/src/sgml/html/indexes-index-only-scans.html')
| -rw-r--r-- | doc/src/sgml/html/indexes-index-only-scans.html | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/src/sgml/html/indexes-index-only-scans.html b/doc/src/sgml/html/indexes-index-only-scans.html index f9a4e11..18089c3 100644 --- a/doc/src/sgml/html/indexes-index-only-scans.html +++ b/doc/src/sgml/html/indexes-index-only-scans.html @@ -1,5 +1,5 @@ <?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>11.9. Index-Only Scans and Covering Indexes</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="indexes-partial.html" title="11.8. Partial Indexes" /><link rel="next" href="indexes-opclass.html" title="11.10. Operator Classes and Operator Families" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">11.9. Index-Only Scans and Covering Indexes</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="indexes-partial.html" title="11.8. Partial Indexes">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="indexes.html" title="Chapter 11. Indexes">Up</a></td><th width="60%" align="center">Chapter 11. Indexes</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="indexes-opclass.html" title="11.10. Operator Classes and Operator Families">Next</a></td></tr></table><hr /></div><div class="sect1" id="INDEXES-INDEX-ONLY-SCANS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">11.9. Index-Only Scans and Covering Indexes</h2></div></div></div><a id="id-1.5.10.12.2" class="indexterm"></a><a id="id-1.5.10.12.3" class="indexterm"></a><a id="id-1.5.10.12.4" class="indexterm"></a><a id="id-1.5.10.12.5" class="indexterm"></a><p> +<!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>11.9. Index-Only Scans and Covering Indexes</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="indexes-partial.html" title="11.8. Partial Indexes" /><link rel="next" href="indexes-opclass.html" title="11.10. Operator Classes and Operator Families" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">11.9. Index-Only Scans and Covering Indexes</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="indexes-partial.html" title="11.8. Partial Indexes">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="indexes.html" title="Chapter 11. Indexes">Up</a></td><th width="60%" align="center">Chapter 11. Indexes</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="indexes-opclass.html" title="11.10. Operator Classes and Operator Families">Next</a></td></tr></table><hr /></div><div class="sect1" id="INDEXES-INDEX-ONLY-SCANS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">11.9. Index-Only Scans and Covering Indexes</h2></div></div></div><a id="id-1.5.10.12.2" class="indexterm"></a><a id="id-1.5.10.12.3" class="indexterm"></a><a id="id-1.5.10.12.4" class="indexterm"></a><a id="id-1.5.10.12.5" class="indexterm"></a><p> All indexes in <span class="productname">PostgreSQL</span> are <em class="firstterm">secondary</em> indexes, meaning that each index is stored separately from the table's main data area (which is called the @@ -206,4 +206,4 @@ SELECT target FROM tests WHERE subject = 'some-subject' AND success; checked in the plan. <span class="productname">PostgreSQL</span> versions 9.6 and later will recognize such cases and allow index-only scans to be generated, but older versions will not. - </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="indexes-partial.html" title="11.8. Partial Indexes">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="indexes.html" title="Chapter 11. Indexes">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="indexes-opclass.html" title="11.10. Operator Classes and Operator Families">Next</a></td></tr><tr><td width="40%" align="left" valign="top">11.8. Partial Indexes </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 11.10. Operator Classes and Operator Families</td></tr></table></div></body></html>
\ No newline at end of file + </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="indexes-partial.html" title="11.8. Partial Indexes">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="indexes.html" title="Chapter 11. Indexes">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="indexes-opclass.html" title="11.10. Operator Classes and Operator Families">Next</a></td></tr><tr><td width="40%" align="left" valign="top">11.8. Partial Indexes </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 11.10. Operator Classes and Operator Families</td></tr></table></div></body></html>
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