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mirror of https://github.com/postgres/postgres.git synced 2025-07-07 00:36:50 +03:00

Clean up to ensure tag completion as required by the newest versions

of Norm's Modular Style Sheets and jade/docbook.
From Vince Vielhaber <vev@michvhf.com>.
This commit is contained in:
Thomas G. Lockhart
1998-12-29 02:24:47 +00:00
parent 6d7735e7f0
commit a75f2d21a8
115 changed files with 10587 additions and 8000 deletions

View File

@ -12,7 +12,7 @@
<REFPURPOSE>
Defines a new function
</REFPURPOSE>
</refnamediv>
<REFSYNOPSISDIV>
<REFSYNOPSISDIVINFO>
<DATE>1998-09-09</DATE>
@ -66,30 +66,31 @@ CREATE FUNCTION <replaceable class="parameter">name</replaceable> ( [ <replaceab
<VARLISTENTRY>
<TERM>
<replaceable class="parameter">path</replaceable>
</TERM>
<LISTITEM>
<PARA>
May be either an SQL-query or an absolute path to an
object file.
</PARA>
</LISTITEM>
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
<replaceable class="parameter">langname</replaceable>
</TERM>
<LISTITEM>
<PARA>
may be '<literal>C</literal>', '<literal>sql</literal>',
'<literal>internal</literal>'
or '<replaceable class="parameter">plname</replaceable>',
where '<replaceable class="parameter">plname</replaceable>'
is the name of a created procedural
language. See <command>CREATE LANGUAGE</command> for details.
</PARA>
</LISTITEM>
</VARLISTENTRY>
</variablelist>
</TERM>
<LISTITEM>
<PARA>
May be either an SQL-query or an absolute path to an
object file.
</PARA>
</LISTITEM>
</VARLISTENTRY>
<VARLISTENTRY>
<TERM>
<replaceable class="parameter">langname</replaceable>
</TERM>
<LISTITEM>
<PARA>
may be '<literal>C</literal>', '<literal>sql</literal>',
'<literal>internal</literal>'
or '<replaceable class="parameter">plname</replaceable>',
where '<replaceable class="parameter">plname</replaceable>'
is the name of a created procedural
language. See <command>CREATE LANGUAGE</command> for details.
</PARA>
</LISTITEM>
</VARLISTENTRY>
</variablelist>
</para>
</REFSECT2>
<REFSECT2 ID="R2-SQL-CREATEFUNCTION-2">
@ -100,16 +101,20 @@ CREATE FUNCTION <replaceable class="parameter">name</replaceable> ( [ <replaceab
Outputs
</TITLE>
<PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<ReturnValue>CREATE</ReturnValue>
</TERM>
<LISTITEM>
<PARA>
This is returned if the command completes successfully.
</VARIABLELIST>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<ReturnValue>CREATE</ReturnValue>
</TERM>
<LISTITEM>
<PARA>
This is returned if the command completes successfully.
</para>
</listitem>
</varlistentry>
</VARIABLELIST>
</para>
</REFSECT2>
</REFSYNOPSISDIV>
@ -122,8 +127,8 @@ CREATE FUNCTION <replaceable class="parameter">name</replaceable> ( [ <replaceab
</TITLE>
<PARA>
<command>CREATE FUNCTION</command> allows a
<productname>Postgres</productname> user
to register a function
<productname>Postgres</productname> user
to register a function
with a database. Subsequently, this user is treated as the
owner of the function.
</PARA>
@ -138,13 +143,14 @@ to register a function
<PARA>
Refer to the chapter on functions
in the <citetitle>PostgreSQL Programmer's Guide</citetitle>
for further information.
for further information.
</PARA>
<PARA>
Use <command>DROP FUNCTION</command>
to drop user-defined functions.
</PARA>
</REFSECT2>
</refsect1>
<REFSECT1 ID="R1-SQL-CREATEFUNCTION-2">
<TITLE>
@ -154,17 +160,17 @@ in the <citetitle>PostgreSQL Programmer's Guide</citetitle>
To create a simple SQL function:
</PARA>
<ProgramListing>
CREATE FUNCTION one() RETURNS int4
AS 'SELECT 1 AS RESULT'
LANGUAGE 'sql';
SELECT one() AS answer;
<computeroutput>
answer
------
1
</computeroutput>
CREATE FUNCTION one() RETURNS int4
AS 'SELECT 1 AS RESULT'
LANGUAGE 'sql';
SELECT one() AS answer;
<computeroutput>
answer
------
1
</computeroutput>
</ProgramListing>
<para>
To create a C function, calling a routine from a user-created
@ -173,18 +179,18 @@ answer
is correct. It is intended for use in a CHECK contraint.
</para>
<programlisting>
<userinput>
CREATE FUNCTION ean_checkdigit(bpchar, bpchar) RETURNS bool
<userinput>
CREATE FUNCTION ean_checkdigit(bpchar, bpchar) RETURNS bool
AS '/usr1/proj/bray/sql/funcs.so' LANGUAGE 'c';
CREATE TABLE product
(
id char(8) PRIMARY KEY,
eanprefix char(8) CHECK (eanprefix ~ '[0-9]{2}-[0-9]{5}')
REFERENCES brandname(ean_prefix),
eancode char(6) CHECK (eancode ~ '[0-9]{6}'),
CONSTRAINT ean CHECK (ean_checkdigit(eanprefix, eancode))
);</userinput>
CREATE TABLE product
(
id char(8) PRIMARY KEY,
eanprefix char(8) CHECK (eanprefix ~ '[0-9]{2}-[0-9]{5}')
REFERENCES brandname(ean_prefix),
eancode char(6) CHECK (eancode ~ '[0-9]{6}'),
CONSTRAINT ean CHECK (ean_checkdigit(eanprefix, eancode))
);</userinput>
</programlisting>
</REFSECT1>