| 接口 | 说明 |
|---|---|
| RowDataKeySelector |
RowDataKeySelector takes an RowData and extracts the deterministic key for the RowData.
|
| 类 | 说明 |
|---|---|
| BinaryRowDataKeySelector |
A KeySelector which will extract key from RowData.
|
| EmptyRowDataKeySelector |
A utility class which key is always empty no matter what the input row is.
|
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