# `GetPriorProcess` (function)

> 得到前道工序


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

## Parameters

| # | Mode | Name | Type |
|---|---|---|---|
| 1 | IN | `uGuid` | `varchar(100)` |
| 2 | IN | `uProcessGuid` | `varchar(100)` |
| 3 | IN | `sControlId` | `varchar(100)` |

## Body

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

## Narrative

_No human-written narrative yet._