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diff --git a/doc/src/sgml/html/view-pg-prepared-statements.html b/doc/src/sgml/html/view-pg-prepared-statements.html new file mode 100644 index 0000000..d784f88 --- /dev/null +++ b/doc/src/sgml/html/view-pg-prepared-statements.html @@ -0,0 +1,75 @@ +<?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>54.15. pg_prepared_statements</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="view-pg-policies.html" title="54.14. pg_policies" /><link rel="next" href="view-pg-prepared-xacts.html" title="54.16. pg_prepared_xacts" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">54.15. <code class="structname">pg_prepared_statements</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="view-pg-policies.html" title="54.14. pg_policies">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="views.html" title="Chapter 54. System Views">Up</a></td><th width="60%" align="center">Chapter 54. System Views</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="view-pg-prepared-xacts.html" title="54.16. pg_prepared_xacts">Next</a></td></tr></table><hr /></div><div class="sect1" id="VIEW-PG-PREPARED-STATEMENTS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">54.15. <code class="structname">pg_prepared_statements</code> <a href="#VIEW-PG-PREPARED-STATEMENTS" class="id_link">#</a></h2></div></div></div><a id="id-1.10.5.19.2" class="indexterm"></a><p> + The <code class="structname">pg_prepared_statements</code> view displays + all the prepared statements that are available in the current + session. See <a class="xref" href="sql-prepare.html" title="PREPARE"><span class="refentrytitle">PREPARE</span></a> for more information about prepared + statements. + </p><p> + <code class="structname">pg_prepared_statements</code> contains one row + for each prepared statement. Rows are added to the view when a new + prepared statement is created and removed when a prepared statement + is released (for example, via the <a class="link" href="sql-deallocate.html" title="DEALLOCATE"><code class="command">DEALLOCATE</code></a> command). + </p><div class="table" id="id-1.10.5.19.5"><p class="title"><strong>Table 54.15. <code class="structname">pg_prepared_statements</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_prepared_statements 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">name</code> <code class="type">text</code> + </p> + <p> + The identifier of the prepared statement + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">statement</code> <code class="type">text</code> + </p> + <p> + The query string submitted by the client to create this + prepared statement. For prepared statements created via SQL, + this is the <code class="command">PREPARE</code> statement submitted by + the client. For prepared statements created via the + frontend/backend protocol, this is the text of the prepared + statement itself. + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">prepare_time</code> <code class="type">timestamptz</code> + </p> + <p> + The time at which the prepared statement was created + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">parameter_types</code> <code class="type">regtype[]</code> + </p> + <p> + The expected parameter types for the prepared statement in the + form of an array of <code class="type">regtype</code>. The OID corresponding + to an element of this array can be obtained by casting the + <code class="type">regtype</code> value to <code class="type">oid</code>. + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">result_types</code> <code class="type">regtype[]</code> + </p> + <p> + The types of the columns returned by the prepared statement in the + form of an array of <code class="type">regtype</code>. The OID corresponding + to an element of this array can be obtained by casting the + <code class="type">regtype</code> value to <code class="type">oid</code>. + If the prepared statement does not provide a result (e.g., a DML + statement), then this field will be null. + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">from_sql</code> <code class="type">bool</code> + </p> + <p> + <code class="literal">true</code> if the prepared statement was created + via the <code class="command">PREPARE</code> SQL command; + <code class="literal">false</code> if the statement was prepared via the + frontend/backend protocol + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">generic_plans</code> <code class="type">int8</code> + </p> + <p> + Number of times generic plan was chosen + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">custom_plans</code> <code class="type">int8</code> + </p> + <p> + Number of times custom plan was chosen + </p></td></tr></tbody></table></div></div><br class="table-break" /><p> + The <code class="structname">pg_prepared_statements</code> view is read-only. + </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="view-pg-policies.html" title="54.14. pg_policies">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="views.html" title="Chapter 54. System Views">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="view-pg-prepared-xacts.html" title="54.16. pg_prepared_xacts">Next</a></td></tr><tr><td width="40%" align="left" valign="top">54.14. <code class="structname">pg_policies</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 54.16. <code class="structname">pg_prepared_xacts</code></td></tr></table></div></body></html>
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