FIELD

Returns the index (position) of str in the str1, str2, str3, ... list. Returns 0 if str is not found. If str is NULL, the return value is 0 because NULL fails equality comparison with any value. FIELD() is the complement of ELT().

Syntax

FIELD(str,str1,str2,str3,...)

Arguments

Arguments	Description
strN	The string.

Return Type

An numeric data type value.

Examples

SELECT FIELD('Bb', 'Aa', 'Bb', 'Cc', 'Dd', 'Ff');
+-------------------------------------------+
| FIELD('Bb', 'Aa', 'Bb', 'Cc', 'Dd', 'Ff') |
+-------------------------------------------+
|                                         2 |
+-------------------------------------------+

SELECT FIELD('Gg', 'Aa', 'Bb', 'Cc', 'Dd', 'Ff');
+-------------------------------------------+
| FIELD('Gg', 'Aa', 'Bb', 'Cc', 'Dd', 'Ff') |
+-------------------------------------------+
|                                         0 |
+-------------------------------------------+