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(Showing Draft Content)

SQL自定义表

功能概述

SQL 自定义表是 Wyn 中最基础的自定义表,通过 SQL 语句定义表的内容。

添加SQL自定义表

1. 在数据集设计器的左下角,单击添加自定义表

image2022-4-25_10-7-52.png


2. 在自定义表配置界面中,输入新加自定义表的名称,选择需要的数据源或数据集,如选择数据源则需要选择查询类型为 Sql语句,选择数据集则不需要选择查询类型。

然后输入SQL 查询命令,最后单击确定

image

type=infoMongoDB

MongoDB和Elastic Search DSL数据源还支持使用原生查询自定表,详见原生查询自定义表

3. 查看自定义表。

创建完成后自定义表会显示在左侧列表中,您可以对其进行编辑、删除及预览,像原有数据表一样使用该表。

image

在SQL自定义表中使用参数

我们可以使用查询参数作为过滤条件,创建动态的自定义表。

提前将查询参数定义好,然后在自定义表的查询语句中直接引用,也可以在需要使用参数时再临时添加。详见查询参数

操作步骤

1. 比如我们在直连数据集中设置了一个用户输入类型的查询参数Parameter1。有关查询参数的更多介绍,请您参见查询参数

image2020-10-16_13-51-53.png


2. 在数据集设计器的左下角,单击添加自定义表

image2022-4-25_10-9-38.png


3. 在自定义表配置界面中,输入数据表的名称,选择需要的数据源或数据集,选择查询类型为Sql语句,然后输入 SQL 查询命令,最后单击确定

此例中SQL语句为“ select 类别名称,订单金额 from 销售明细 where 类别名称 =@Parameter1 ”如下图。

image

type=info

提示

如事先未定义查询参数,也可以单击右下角的参数按钮来快速添加需要使用的参数。更多介绍,请详见查询参数

image

4. 查看并预览自定义表。

image2022-4-25_10-10-0.png

弹出如下设置预览参数的对话框。输入数据后,即可预览参数相关数据。

image2019-12-9_16-27-34.png

image2020-10-16_13-53-34.png