diff options
Diffstat (limited to 'doc/src/sgml/html/bki-commands.html')
| -rw-r--r-- | doc/src/sgml/html/bki-commands.html | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/doc/src/sgml/html/bki-commands.html b/doc/src/sgml/html/bki-commands.html new file mode 100644 index 0000000..c833bd2 --- /dev/null +++ b/doc/src/sgml/html/bki-commands.html @@ -0,0 +1,111 @@ +<?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>74.4. BKI Commands</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="bki-format.html" title="74.3. BKI File Format" /><link rel="next" href="bki-structure.html" title="74.5. Structure of the Bootstrap BKI File" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">74.4. <acronym class="acronym">BKI</acronym> Commands</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="bki-format.html" title="74.3. BKI File Format">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="bki.html" title="Chapter 74. System Catalog Declarations and Initial Contents">Up</a></td><th width="60%" align="center">Chapter 74. System Catalog Declarations and Initial Contents</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="bki-structure.html" title="74.5. Structure of the Bootstrap BKI File">Next</a></td></tr></table><hr /></div><div class="sect1" id="BKI-COMMANDS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">74.4. <acronym class="acronym">BKI</acronym> Commands</h2></div></div></div><div class="variablelist"><dl class="variablelist"><dt><span class="term"> + <code class="literal">create</code> + <em class="replaceable"><code>tablename</code></em> + <em class="replaceable"><code>tableoid</code></em> + [<span class="optional"><code class="literal">bootstrap</code></span>] + [<span class="optional"><code class="literal">shared_relation</code></span>] + [<span class="optional"><code class="literal">rowtype_oid</code> <em class="replaceable"><code>oid</code></em></span>] + (<em class="replaceable"><code>name1</code></em> = + <em class="replaceable"><code>type1</code></em> + [<span class="optional"><code class="literal">FORCE NOT NULL</code> | <code class="literal">FORCE NULL</code> </span>] [<span class="optional">, + <em class="replaceable"><code>name2</code></em> = + <em class="replaceable"><code>type2</code></em> + [<span class="optional"><code class="literal">FORCE NOT NULL</code> | <code class="literal">FORCE NULL</code> </span>], + ...</span>]) + </span></dt><dd><p> + Create a table named <em class="replaceable"><code>tablename</code></em>, and having the OID + <em class="replaceable"><code>tableoid</code></em>, + with the columns given in parentheses. + </p><p> + The following column types are supported directly by + <code class="filename">bootstrap.c</code>: <code class="type">bool</code>, + <code class="type">bytea</code>, <code class="type">char</code> (1 byte), + <code class="type">name</code>, <code class="type">int2</code>, + <code class="type">int4</code>, <code class="type">regproc</code>, <code class="type">regclass</code>, + <code class="type">regtype</code>, <code class="type">text</code>, + <code class="type">oid</code>, <code class="type">tid</code>, <code class="type">xid</code>, + <code class="type">cid</code>, <code class="type">int2vector</code>, <code class="type">oidvector</code>, + <code class="type">_int4</code> (array), <code class="type">_text</code> (array), + <code class="type">_oid</code> (array), <code class="type">_char</code> (array), + <code class="type">_aclitem</code> (array). Although it is possible to create + tables containing columns of other types, this cannot be done until + after <code class="structname">pg_type</code> has been created and filled with + appropriate entries. (That effectively means that only these + column types can be used in bootstrap catalogs, but non-bootstrap + catalogs can contain any built-in type.) + </p><p> + When <code class="literal">bootstrap</code> is specified, + the table will only be created on disk; nothing is entered into + <code class="structname">pg_class</code>, + <code class="structname">pg_attribute</code>, etc., for it. Thus the + table will not be accessible by ordinary SQL operations until + such entries are made the hard way (with <code class="literal">insert</code> + commands). This option is used for creating + <code class="structname">pg_class</code> etc. themselves. + </p><p> + The table is created as shared if <code class="literal">shared_relation</code> is + specified. + The table's row type OID (<code class="structname">pg_type</code> OID) can optionally + be specified via the <code class="literal">rowtype_oid</code> clause; if not specified, + an OID is automatically generated for it. (The <code class="literal">rowtype_oid</code> + clause is useless if <code class="literal">bootstrap</code> is specified, but it can be + provided anyway for documentation.) + </p></dd><dt><span class="term"> + <code class="literal">open</code> <em class="replaceable"><code>tablename</code></em> + </span></dt><dd><p> + Open the table named + <em class="replaceable"><code>tablename</code></em> + for insertion of data. Any currently open table is closed. + </p></dd><dt><span class="term"> + <code class="literal">close</code> <em class="replaceable"><code>tablename</code></em> + </span></dt><dd><p> + Close the open table. The name of the table must be given as a + cross-check. + </p></dd><dt><span class="term"> + <code class="literal">insert</code> <code class="literal">(</code> [<span class="optional"><em class="replaceable"><code>oid_value</code></em></span>] <em class="replaceable"><code>value1</code></em> <em class="replaceable"><code>value2</code></em> ... <code class="literal">)</code> + </span></dt><dd><p> + Insert a new row into the open table using <em class="replaceable"><code>value1</code></em>, <em class="replaceable"><code>value2</code></em>, etc., for its column + values. + </p><p> + NULL values can be specified using the special key word + <code class="literal">_null_</code>. Values that do not look like + identifiers or digit strings must be single-quoted. + (To include a single quote in a value, write it twice. + Escape-string-style backslash escapes are allowed in the string, too.) + </p></dd><dt><span class="term"> + <code class="literal">declare</code> [<span class="optional"><code class="literal">unique</code></span>] + <code class="literal">index</code> <em class="replaceable"><code>indexname</code></em> + <em class="replaceable"><code>indexoid</code></em> + <code class="literal">on</code> <em class="replaceable"><code>tablename</code></em> + <code class="literal">using</code> <em class="replaceable"><code>amname</code></em> + <code class="literal">(</code> <em class="replaceable"><code>opclass1</code></em> + <em class="replaceable"><code>name1</code></em> + [<span class="optional">, ...</span>] <code class="literal">)</code> + </span></dt><dd><p> + Create an index named <em class="replaceable"><code>indexname</code></em>, having OID + <em class="replaceable"><code>indexoid</code></em>, + on the table named + <em class="replaceable"><code>tablename</code></em>, using the + <em class="replaceable"><code>amname</code></em> access + method. The fields to index are called <em class="replaceable"><code>name1</code></em>, <em class="replaceable"><code>name2</code></em> etc., and the operator + classes to use are <em class="replaceable"><code>opclass1</code></em>, <em class="replaceable"><code>opclass2</code></em> etc., respectively. + The index file is created and appropriate catalog entries are + made for it, but the index contents are not initialized by this command. + </p></dd><dt><span class="term"> + <code class="literal">declare toast</code> + <em class="replaceable"><code>toasttableoid</code></em> + <em class="replaceable"><code>toastindexoid</code></em> + <code class="literal">on</code> <em class="replaceable"><code>tablename</code></em> + </span></dt><dd><p> + Create a TOAST table for the table named + <em class="replaceable"><code>tablename</code></em>. + The TOAST table is assigned OID + <em class="replaceable"><code>toasttableoid</code></em> + and its index is assigned OID + <em class="replaceable"><code>toastindexoid</code></em>. + As with <code class="literal">declare index</code>, filling of the index + is postponed. + </p></dd><dt><span class="term"><code class="literal">build indices</code></span></dt><dd><p> + Fill in the indices that have previously been declared. + </p></dd></dl></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="bki-format.html" title="74.3. BKI File Format">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="bki.html" title="Chapter 74. System Catalog Declarations and Initial Contents">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="bki-structure.html" title="74.5. Structure of the Bootstrap BKI File">Next</a></td></tr><tr><td width="40%" align="left" valign="top">74.3. <acronym class="acronym">BKI</acronym> File Format </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 74.5. Structure of the Bootstrap <acronym class="acronym">BKI</acronym> File</td></tr></table></div></body></html>
\ No newline at end of file |