- ⌂ Query Functions
- Function Categories
Text Query Functions
- CHAR_LENGTH(String) - Returns the number of characters in String, where String is any string or field, which may include UTF8 characters.
- CONCAT(String1,String2,...) - Concatenates any number of comma-separated strings and field values.
- LENGTH(Field) - Returns the number of bytes stored in Field.
- LOWER(String) - Returns String in all lowercase.
- MATCHES(Field,Keywords) - Matches a string of space-separated keywords against a field, such as Object Keywords. This is useful for performing efficient keyword searches, which are currently implemented using MySQL's Full-Text Search Functions.
- NULLIF(Expression1,Expression2) - Returns NULL if Expression1 equals Expression2, otherwise returns Expression1.
- REVERSE(String) - Returns String with all characters in reverse order.
- SUBSTR(String,Offset[,Length]) - Returns a segment of String that starts at Offset (zero-based) and is up to Length characters long. If Length is not specified, the entire String from the Offset will be returned.
- SUBSTRING(String,Offset[,Length]) - Returns a segment of String that starts at Offset (zero-based) and is up to Length characters long. If Length is not specified, the entire String from the Offset will be returned.
- UPPER(String) - Returns String in all uppercase.