# 转换函数

本部分介绍 Qlik 开放式湖空间 中提供的各种转换函数。这些函数可用于 CDC Storage 任务和 Streaming Transform 任务。

* [数组函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/array/array.htm)
* [比较函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/comparison/comparison.htm)
* [条件函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/conditional/conditional.htm)
* [日期和时间函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/date-and-time/date-and-time.htm)
* [数学函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/mathematical/mathematical.htm)
* [正则表达式函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/regular-expressions/regular-expressions.htm)
* [空间函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/spatial/spatial.htm)
* [字符串函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/string/string.htm)
* [结构函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/structural/structural.htm)
* [三角函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/trigonometric/trigonometric.htm)
* [类型转换函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/type-conversion/type-conversion.htm)
* [URL 函数](https://help.qlik.com/zh-CN/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/url/url.htm)