5.5.2.1. Summary¶

mroonga_escape UDF provides functionality to escape given string. It also accepts parameter what character should be escaped.

5.5.2.2. Syntax¶

mroonga_escape() has required parameter and optional parameter:

mroonga_escape(string)
mroonga_escape(string, special_characters)

5.5.2.3. Usage¶

Here is the example query which use special characters to be escaped:

SELECT * FROM `symbols` WHERE MATCH(`content`) AGAINST(mroonga_escape("+hello_world()", "()") IN BOOLEAN MODE);

Here is the example about special characters which is escaped:

SELECT mroonga_escape("+-<>~*()\"\\\:");
-- \+\-\<\>\~\*\(\)\"\\\:

5.5.2.4. Parameters¶

5.5.2.5. Return value¶

It returns escaped string.