# `JSON_MERGE_REPLACE` (function)

> 如果2中的值1中存在,提供1胡


- **Type:** FUNCTION
- **Returns:** `json`
- **Deterministic:** NO
- **SQL data access:** CONTAINS SQL

## Parameters

| # | Mode | Name | Type |
|---|---|---|---|
| 1 | IN | `sJonsOne` | `json` |
| 2 | IN | `sJsonTwo` | `json` |

## Body

_Body is not pre-cached. To inspect: `mysql --defaults-file=~/.my.cnf -e 'SHOW CREATE FUNCTION `JSON_MERGE_REPLACE`'`._

## Narrative

_No human-written narrative yet._