<!--
-$Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.119 2002/09/01 23:26:05 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.120 2002/09/02 05:53:23 momjian Exp $
PostgreSQL documentation
-->
<entry><literal>text_in_unicode</literal> represented in ISO 8859-1</entry>
</row>
+ <row>
+ <entry>
+ <function>decode</function>(<parameter>string</parameter> <type>text</type>,
+ <parameter>type</parameter> <type>text</type>)
+ </entry>
+ <entry><type>bytea</type></entry>
+ <entry>
+ Decodes binary data from <parameter>string</parameter> previously
+ encoded with encode(). Parameter type is same as in encode().
+ </entry>
+ <entry><literal>decode('MTIzAAE=', 'base64')</literal></entry>
+ <entry><literal>123\000\001</literal></entry>
+ </row>
+
+ <row>
+ <entry>
+ <function>encode</function>(<parameter>data</parameter> <type>bytea</type>,
+ <parameter>type</parameter> <type>text</type>)
+ </entry>
+ <entry><type>text</type></entry>
+ <entry>
+ Encodes binary data to <acronym>ASCII</acronym>-only representation. Supported
+ types are: 'base64', 'hex', 'escape'.
+ </entry>
+ <entry><literal>encode('123\\000\\001', 'base64')</literal></entry>
+ <entry><literal>MTIzAAE=</literal></entry>
+ </row>
+
<row>
<entry><function>initcap</function>(<type>text</type>)</entry>
<entry><type>text</type></entry>
<entry><literal>PgPgPgPg</literal></entry>
</row>
+ <row>
+ <entry><function>replace</function>(<parameter>string</parameter> <type>text</type>,
+ <parameter>from</parameter> <type>text</type>,
+ <parameter>to</parameter> <type>text</type>)</entry>
+ <entry><type>text</type></entry>
+ <entry>Replace all occurrences in <parameter>string</parameter> of substring
+ <parameter>from</parameter> with substring <parameter>to</parameter>
+ </entry>
+ <entry><literal>replace('abcdefabcdef', 'cd', 'XX')</literal></entry>
+ <entry><literal>abXXefabXXef</literal></entry>
+ </row>
+
<row>
<entry>
<function>rpad</function>(<parameter>string</parameter> <type>text</type>,
<entry><literal>trim</literal></entry>
</row>
+ <row>
+ <entry><function>split</function>(<parameter>string</parameter> <type>text</type>,
+ <parameter>delimiter</parameter> <type>text</type>,
+ <parameter>column</parameter> <type>integer</type>)</entry>
+ <entry><type>text</type></entry>
+ <entry>Split <parameter>string</parameter> on <parameter>delimiter</parameter>
+ returning the resulting (one based) <parameter>column</parameter> number.
+ </entry>
+ <entry><literal>split('abc~@~def~@~ghi','~@~',2)</literal></entry>
+ <entry><literal>def</literal></entry>
+ </row>
+
<row>
<entry><function>strpos</function>(<parameter>string</parameter>, <parameter>substring</parameter>)</entry>
<entry><type>text</type></entry>
<entry><literal>Karel</literal></entry>
</row>
+ <row>
+ <entry><function>to_hex</function>(<parameter>number</parameter> <type>integer</type>
+ or <type>bigint</type>)</entry>
+ <entry><type>text</type></entry>
+ <entry>Convert <parameter>number</parameter> to its equivalent hexadecimal
+ representation.
+ </entry>
+ <entry><literal>to_hex(9223372036854775807::bigint)</literal></entry>
+ <entry><literal>7fffffffffffffff</literal></entry>
+ </row>
+
<row>
<entry>
<function>translate</function>(<parameter>string</parameter>
<entry><literal>a23x5</literal></entry>
</row>
- <row>
- <entry>
- <function>encode</function>(<parameter>data</parameter> <type>bytea</type>,
- <parameter>type</parameter> <type>text</type>)
- </entry>
- <entry><type>text</type></entry>
- <entry>
- Encodes binary data to <acronym>ASCII</acronym>-only representation. Supported
- types are: 'base64', 'hex', 'escape'.
- </entry>
- <entry><literal>encode('123\\000\\001', 'base64')</literal></entry>
- <entry><literal>MTIzAAE=</literal></entry>
- </row>
-
- <row>
- <entry>
- <function>decode</function>(<parameter>string</parameter> <type>text</type>,
- <parameter>type</parameter> <type>text</type>)
- </entry>
- <entry><type>bytea</type></entry>
- <entry>
- Decodes binary data from <parameter>string</parameter> previously
- encoded with encode(). Parameter type is same as in encode().
- </entry>
- <entry><literal>decode('MTIzAAE=', 'base64')</literal></entry>
- <entry><literal>123\000\001</literal></entry>
- </row>
-
</tbody>
</tgroup>
</table>