This function is used to return the position (stating from 1) of str1 in str2 separated by commas (,).
Syntax
find_in_set(string <str1>, string <str2>)
Parameters
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
str1 |
Yes |
STRING |
String to be searched for |
str2 |
Yes |
STRING |
String separated by a comma (,) |
Return Values
The return value is of the BIGINT type.
- If str1 cannot be matched in str2 or str1 contains commas (,), 0 is returned.
- If the value of str1 or str2 is NULL, NULL is returned.
Example Code
- Search for the position of string ab in string abc,123,ab,c. An example command is as follows:
The value 3 is returned.
select find_in_set('ab', 'abc,123,ab,c'); - Search for the position of string hi in string abc,123,ab,c. An example command is as follows:
The value 0 is returned.
select find_in_set('hi', 'abc,123,ab,c'); - The value of any input parameter is NULL. An example command is as follows:
The value NULL is returned.
select find_in_set(null, 'abc,123,ab,c');