The Ultimate Guide to High Availability with MariaDB

mroonga_highlight_html

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Contents

  1. Syntax
  2. Description
  3. Examples
  4. See Also

Syntax

mroonga_highlight_html(text, query AS query)

mroonga_highlight_html(text, keyword1, ..., keywordN)

Description

mroonga_highlight_html is a user-defined function (UDF) included with the Mroonga storage engine. It highlights the specified keywords in the target text. See Creating Mroonga User-Defined Functions for details on creating this UDF if required.

The function highlights the specified keywords in the target text by surrounding each keyword with <span class="keyword">...</span>, and escaping special HTML characters such as < and >.

Returns highlighted HTML.

Examples

Highlighting the words MariaDB and Mroonga in a given text:

SELECT mroonga_highlight_html('MariaDB includes the Mroonga storage engine.', 'MariaDB', 'Mroonga') 
  AS highlighted_html;
+--------------------------------------------------------------------------------------------------------+
| highlighted_html                                                                                       |
+--------------------------------------------------------------------------------------------------------+
| <span class="keyword">MariaDB</span> includes the <span class="keyword">Mroonga</span> storage engine. |
+--------------------------------------------------------------------------------------------------------+

See Also

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