Skip bytes(跳过字节(Skip bytes))¶
Supported in: Batch, Faster, Streaming
Skip a given number of bytes in a binary column.
Expression categories: Binary
Declared arguments¶
- Bytes: no description
Expression\ - Number of bytes to skip: no description
Expression\
Output type: Binary
Examples¶
Example 1: Base case¶
Argument values:
- Bytes: aGk=
- Number of bytes to skip: 1
Output: aQ==
Example 2: Null case¶
Argument values:
- Bytes: null
- Number of bytes to skip: 1
Output: null
Example 3: Null case¶
Argument values:
- Bytes: aGk=
- Number of bytes to skip: null
Output: null
Example 4: Edge case¶
Argument values:
- Bytes: aGk=
- Number of bytes to skip: 100
Output: null
中文翻译¶
跳过字节(Skip bytes)¶
支持:批处理(Batch)、快速处理(Faster)、流处理(Streaming)
在二进制列中跳过指定数量的字节。
表达式类别: 二进制(Binary)
声明参数¶
- 字节(Bytes): 无描述
表达式\ - 要跳过的字节数(Number of bytes to skip): 无描述
表达式\
输出类型: Binary
示例¶
示例1:基础情况¶
参数值:
- 字节(Bytes): aGk=
- 要跳过的字节数(Number of bytes to skip): 1
输出: aQ==
示例2:空值情况¶
参数值:
- 字节(Bytes): null
- 要跳过的字节数(Number of bytes to skip): 1
输出: null
示例3:空值情况¶
参数值:
- 字节(Bytes): aGk=
- 要跳过的字节数(Number of bytes to skip): null
输出: null
示例4:边界情况¶
参数值:
- 字节(Bytes): aGk=
- 要跳过的字节数(Number of bytes to skip): 100
输出: null