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170 lines
3.3 KiB
Plaintext
170 lines
3.3 KiB
Plaintext
<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/current_user.sgml,v 1.4 1999/07/22 15:09:09 thomas Exp $
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Postgres documentation
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-->
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<REFENTRY ID="SQL-CURRENT-USER">
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<REFMETA>
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<REFENTRYTITLE>
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SQL_CURRENT_USER
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</REFENTRYTITLE>
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<REFMISCINFO>SQL - Functions</REFMISCINFO>
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</REFMETA>
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<REFNAMEDIV>
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<REFNAME>
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CURRENT_USER
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</REFNAME>
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<REFPURPOSE>
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Returns the current user name
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</REFPURPOSE>
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<REFSYNOPSISDIV>
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<REFSYNOPSISDIVINFO>
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<DATE>1998-04-15</DATE>
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</REFSYNOPSISDIVINFO>
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<SYNOPSIS>
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CURRENT_USER
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</SYNOPSIS>
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<REFSECT2 ID="R2-SQL-CURRENT-USER-1">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Inputs
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</TITLE>
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<PARA>
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None.
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</REFSECT2>
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<REFSECT2 ID="R2-SQL-CURRENT-USER-2">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Outputs
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</TITLE>
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<PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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<replaceable>username</replaceable>
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</TERM>
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<LISTITEM>
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<PARA>
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The name of the current user.
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</VARIABLELIST>
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</REFSECT2>
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</REFSYNOPSISDIV>
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<REFSECT1 ID="R1-SQL-CURRENT-USER-1">
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<REFSECT1INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT1INFO>
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<TITLE>
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Description
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</TITLE>
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<PARA>
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The niladic CURRENT_USER function returns a string of type "name"
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whose value represents a user name identification.
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</PARA>
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<REFSECT2 ID="R2-SQL-CURRENT-USER-3">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Notes
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</TITLE>
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<PARA>
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Data type "name" is a non-standard 31-character type for storing
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system identifiers.
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</PARA>
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</REFSECT2>
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<REFSECT1 ID="R1-SQL-CURRENT-USER-2">
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<TITLE>
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Usage
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</TITLE>
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<PARA>
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Display CURRENT_USER
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</PARA>
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<ProgramListing>
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SELECT CURRENT_USER AS who_am_i;
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who_am_i
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------------
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jose
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</ProgramListing>
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</REFSECT1>
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<REFSECT1 ID="R1-SQL-CURRENT-USER-3">
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<TITLE>
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Compatibility
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</TITLE>
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<PARA>
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</PARA>
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<REFSECT2 ID="R2-SQL-CURRENT-USER-4">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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SQL92
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</TITLE>
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<PARA>
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SQL92 specifies some additional niladic USER functions:
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</PARA>
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<variablelist>
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<varlistentry>
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<term>CURRENT_USER / USER</term>
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<listitem>
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<para>
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USER is a synonym for CURRENT_USER.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>SESSION_USER</term>
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<listitem>
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<para>
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The SESSION_USER function returns the SQL-session user name.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>SYSTEM_USER</term>
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<listitem>
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<para>
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The SYSTEM_USER function returns the database's initial default user.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>
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A niladic USER function returns a SQL_TEXT character string whose
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value represents a user name.
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</para>
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</refsect2>
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</refsect1>
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</REFENTRY>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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sgml-parent-document:nil
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sgml-default-dtd-file:"../reference.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:"/usr/lib/sgml/catalog"
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sgml-local-ecat-files:nil
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End:
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-->
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