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SETCONTEXT_INFO

SETCONTEXT_INFO

SETCONTEXT_INFO

SETCONTEXT_INFO

1

You cannot supply a null value to SET CONTEXT_INFO because the views holding the values do not allow for null values.

不能向 SETCONTEXT_INFO 提供一个 NULL 值，因为保存值的视图不允许使用 NULL 值。

2

SET CONTEXT_INFO cannot be specified in a user-defined function .

不能在用户定义函数中指定 SETCONTEXT_INFO 。

3

SET CONTEXT_INFO does not accept expressions other than constants or variable names .

SETCONTEXT_INFO 不接受常量名或变量名以外的表达式。

4

The following example demonstrates SET CONTEXT_INFO by setting the value and displaying the results .

以下示例通过设置值并显示结果来阐释 SETCONTEXT_INFO 。

5

Value from the SET CONTEXT_INFO statement for the request .

请求的 SETCONTEXT_INFO 语句的值。

6

Returns the context_info value that was set for the current session or batch by using the SET CONTEXT_INFO statement .

返回 context_info 值，该值通过使用 SETCONTEXT_INFO 语句为当前会话或批处理设置。

7

You can set a session context value by using the SET CONTEXT_INFO statement and retrieve it by using one of the following

可以使用 SETCONTEXT_INFO 语句设置会话上下文值，并使用下列方法之一检索该值

8

After SET CONTEXT_INFO is executed , the new value is immediately available from the following sources

执行 SETCONTEXT_INFO 之后，可以立即从下列源中获取新值

9

If SET CONTEXT_INFO has not yet been executed for the current session , the following session values are reported

如果尚未对当前会话执行 SETCONTEXT_INFO ，将报告下列会话值

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