MetadataColumns (flink-cdc-runtime 3.3.0 API)

```
public class MetadataColumns
extends Object
```
Contains all supported metadata columns that could be used in transform expressions.

字段
限定符和类型	字段和说明
`static String`	`DEFAULT_DATA_EVENT_TYPE`
`static String`	`DEFAULT_NAMESPACE_NAME`
`static String`	`DEFAULT_SCHEMA_NAME`
`static String`	`DEFAULT_TABLE_NAME`
`static List<org.apache.flink.api.java.tuple.Tuple3<String,org.apache.flink.cdc.common.types.DataType,Class<?>>>`	`METADATA_COLUMNS`

构造器
构造器和说明
`MetadataColumns()`

public static final String DEFAULT_NAMESPACE_NAME

public static final String DEFAULT_SCHEMA_NAME

public static final String DEFAULT_TABLE_NAME

public static final String DEFAULT_DATA_EVENT_TYPE

public static final List<org.apache.flink.api.java.tuple.Tuple3<String,org.apache.flink.cdc.common.types.DataType,Class<?>>> METADATA_COLUMNS

类 MetadataColumns