index 42dff83e160cb9e372dfdcf5b6a9f5e72c7a315a..5677032cb28f50e7362e5f5b76fd3321c0dad8d6 100644 (file)
</table>
<para>
- Additional string manipulation functions are available and are
- listed in <xref linkend="functions-string-other"/>. Some of them are used internally to implement the
- <acronym>SQL</acronym>-standard string functions listed in <xref linkend="functions-string-sql"/>.
+ Additional string manipulation functions and operators are available
+ and are listed in <xref linkend="functions-string-other"/>. (Some of
+ these are used internally to implement
+ the <acronym>SQL</acronym>-standard string functions listed in
+ <xref linkend="functions-string-sql"/>.)
+ There are also pattern-matching operators, which are described in
+ <xref linkend="functions-matching"/>, and operators for full-text
+ search, which are described in <xref linkend="textsearch"/>.
</para>
<table id="functions-string-other">
- <title>Other String Functions</title>
+ <title>Other String Functions and Operators</title>
<tgroup cols="1">
<thead>
<row>
<entry role="func_table_entry"><para role="func_signature">
- Function
+ Function/Operator
</para>
<para>
Description
</thead>
<tbody>
+ <row>
+ <entry role="func_table_entry"><para role="func_signature">
+ <indexterm>
+ <primary>character string</primary>
+ <secondary>prefix test</secondary>
+ </indexterm>
+ <type>text</type> <literal>^@</literal> <type>text</type>
+ <returnvalue>boolean</returnvalue>
+ </para>
+ <para>
+ Returns true if the first string starts with the second string
+ (equivalent to the <function>starts_with()</function> function).
+ </para>
+ <para>
+ <literal>'alphabet' ^@ 'alph'</literal>
+ <returnvalue>t</returnvalue>
+ </para></entry>
+ </row>
+
<row>
<entry role="func_table_entry"><para role="func_signature">
<indexterm>
@@ -5285,9 +5309,10 @@ cast(-44 as bit(12)) <lineannotation>111111010100</lineannotation>
</para>
<para>
- Also see the prefix operator <literal>^@</literal> and corresponding
- <function>starts_with</function> function, which are useful in cases
- where simply matching the beginning of a string is needed.
+ Also see the starts-with operator <literal>^@</literal> and the
+ corresponding <function>starts_with()</function> function, which are
+ useful in cases where simply matching the beginning of a string is
+ needed.
</para>
</sect2>