Su, Xiaomeng 76a5b1ee83 dli_sqlreference_20240227

Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>

2024-03-27 22:02:33 +00:00

7.0 KiB

Raw Blame History

find_in_set

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

**Table 1** 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');
```

Parent topic: String Functions

7.0 KiB Raw Blame History