Adding upstream version 15.5.upstream/15.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-05-04 12:17:33 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-05-04 12:17:33 +0000
commit: 5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch)
tree: 739caf8c461053357daa9f162bef34516c7bf452 /doc/src/sgml/html/infoschema-key-column-usage.html
parent: Initial commit. (diff)
download: postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz
postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip
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+<!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>37.32. key_column_usage</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="infoschema-foreign-tables.html" title="37.31. foreign_tables" /><link rel="next" href="infoschema-parameters.html" title="37.33. parameters" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">37.32. <code class="literal">key_column_usage</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-foreign-tables.html" title="37.31. foreign_tables">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="information-schema.html" title="Chapter 37. The Information Schema">Up</a></td><th width="60%" align="center">Chapter 37. The Information Schema</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="infoschema-parameters.html" title="37.33. parameters">Next</a></td></tr></table><hr /></div><div class="sect1" id="INFOSCHEMA-KEY-COLUMN-USAGE"><div class="titlepage"><div><div><h2 class="title" style="clear: both">37.32. <code class="literal">key_column_usage</code></h2></div></div></div><p>
+   The view <code class="literal">key_column_usage</code> identifies all columns
+   in the current database that are restricted by some unique, primary
+   key, or foreign key constraint.  Check constraints are not included
+   in this view.  Only those columns are shown that the current user
+   has access to, by way of being the owner or having some privilege.
+  </p><div class="table" id="id-1.7.6.36.3"><p class="title"><strong>Table 37.30. <code class="structname">key_column_usage</code> Columns</strong></p><div class="table-contents"><table class="table" summary="key_column_usage Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
+       Column Type
+      </p>
+      <p>
+       Description
+      </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">constraint_catalog</code> <code class="type">sql_identifier</code>
+      </p>
+      <p>
+       Name of the database that contains the constraint (always the current database)
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">constraint_schema</code> <code class="type">sql_identifier</code>
+      </p>
+      <p>
+       Name of the schema that contains the constraint
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">constraint_name</code> <code class="type">sql_identifier</code>
+      </p>
+      <p>
+       Name of the constraint
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">table_catalog</code> <code class="type">sql_identifier</code>
+      </p>
+      <p>
+       Name of the database that contains the table that contains the
+       column that is restricted by this constraint (always the
+       current database)
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">table_schema</code> <code class="type">sql_identifier</code>
+      </p>
+      <p>
+       Name of the schema that contains the table that contains the
+       column that is restricted by this constraint
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">table_name</code> <code class="type">sql_identifier</code>
+      </p>
+      <p>
+       Name of the table that contains the column that is restricted
+       by this constraint
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">column_name</code> <code class="type">sql_identifier</code>
+      </p>
+      <p>
+       Name of the column that is restricted by this constraint
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">ordinal_position</code> <code class="type">cardinal_number</code>
+      </p>
+      <p>
+       Ordinal position of the column within the constraint key (count
+       starts at 1)
+      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+       <code class="structfield">position_in_unique_constraint</code> <code class="type">cardinal_number</code>
+      </p>
+      <p>
+       For a foreign-key constraint, ordinal position of the referenced
+       column within its unique constraint (count starts at 1);
+       otherwise null
+      </p></td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="infoschema-foreign-tables.html" title="37.31. foreign_tables">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="information-schema.html" title="Chapter 37. The Information Schema">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="infoschema-parameters.html" title="37.33. parameters">Next</a></td></tr><tr><td width="40%" align="left" valign="top">37.31. <code class="literal">foreign_tables</code> </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"> 37.33. <code class="literal">parameters</code></td></tr></table></div></body></html>
+\ No newline at end of file
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-05-04 12:17:33 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-05-04 12:17:33 +0000
commit	5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch)
tree	739caf8c461053357daa9f162bef34516c7bf452 /doc/src/sgml/html/infoschema-key-column-usage.html
parent	Initial commit. (diff)
download	postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip