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diff --git a/doc/src/sgml/html/sql-droptype.html b/doc/src/sgml/html/sql-droptype.html new file mode 100644 index 0000000..8d68fb0 --- /dev/null +++ b/doc/src/sgml/html/sql-droptype.html @@ -0,0 +1,31 @@ +<?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>DROP TYPE</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="sql-droptrigger.html" title="DROP TRIGGER" /><link rel="next" href="sql-dropuser.html" title="DROP USER" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">DROP TYPE</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-droptrigger.html" title="DROP TRIGGER">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</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="sql-dropuser.html" title="DROP USER">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-DROPTYPE"><div class="titlepage"></div><a id="id-1.9.3.142.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">DROP TYPE</span></h2><p>DROP TYPE — remove a data type</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis"> +DROP TYPE [ IF EXISTS ] <em class="replaceable"><code>name</code></em> [, ...] [ CASCADE | RESTRICT ] +</pre></div><div class="refsect1" id="id-1.9.3.142.5"><h2>Description</h2><p> + <code class="command">DROP TYPE</code> removes a user-defined data type. + Only the owner of a type can remove it. + </p></div><div class="refsect1" id="id-1.9.3.142.6"><h2>Parameters</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="literal">IF EXISTS</code></span></dt><dd><p> + Do not throw an error if the type does not exist. A notice is issued + in this case. + </p></dd><dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt><dd><p> + The name (optionally schema-qualified) of the data type to remove. + </p></dd><dt><span class="term"><code class="literal">CASCADE</code></span></dt><dd><p> + Automatically drop objects that depend on the type (such as + table columns, functions, and operators), + and in turn all objects that depend on those objects + (see <a class="xref" href="ddl-depend.html" title="5.14. Dependency Tracking">Section 5.14</a>). + </p></dd><dt><span class="term"><code class="literal">RESTRICT</code></span></dt><dd><p> + Refuse to drop the type if any objects depend on it. This is + the default. + </p></dd></dl></div></div><div class="refsect1" id="SQL-DROPTYPE-EXAMPLES"><h2>Examples</h2><p> + To remove the data type <code class="type">box</code>: +</p><pre class="programlisting"> +DROP TYPE box; +</pre></div><div class="refsect1" id="SQL-DROPTYPE-COMPATIBILITY"><h2>Compatibility</h2><p> + This command is similar to the corresponding command in the SQL + standard, apart from the <code class="literal">IF EXISTS</code> + option, which is a <span class="productname">PostgreSQL</span> extension. + But note that much of the <code class="command">CREATE TYPE</code> command + and the data type extension mechanisms in + <span class="productname">PostgreSQL</span> differ from the SQL standard. + </p></div><div class="refsect1" id="SQL-DROPTYPE-SEE-ALSO"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-altertype.html" title="ALTER TYPE"><span class="refentrytitle">ALTER TYPE</span></a>, <a class="xref" href="sql-createtype.html" title="CREATE TYPE"><span class="refentrytitle">CREATE TYPE</span></a></span></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-droptrigger.html" title="DROP TRIGGER">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-dropuser.html" title="DROP USER">Next</a></td></tr><tr><td width="40%" align="left" valign="top">DROP TRIGGER </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"> DROP USER</td></tr></table></div></body></html>
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