public final class ChangelogCsvDeserializer extends Object implements org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>
ChangelogCsvDeserializer
contains a simple parsing logic for converting bytes into
Row
of Integer
and String
with a RowKind
.
The final conversion step converts those into internal data structures.
构造器和说明 |
---|
ChangelogCsvDeserializer(List<org.apache.flink.table.types.logical.LogicalType> parsingTypes,
org.apache.flink.table.connector.source.DynamicTableSource.DataStructureConverter converter,
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> producedTypeInfo,
String columnDelimiter) |
限定符和类型 | 方法和说明 |
---|---|
org.apache.flink.table.data.RowData |
deserialize(byte[] message) |
org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> |
getProducedType() |
boolean |
isEndOfStream(org.apache.flink.table.data.RowData nextElement) |
void |
open(org.apache.flink.api.common.serialization.DeserializationSchema.InitializationContext context) |
public ChangelogCsvDeserializer(List<org.apache.flink.table.types.logical.LogicalType> parsingTypes, org.apache.flink.table.connector.source.DynamicTableSource.DataStructureConverter converter, org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> producedTypeInfo, String columnDelimiter)
public org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.table.data.RowData> getProducedType()
getProducedType
在接口中 org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>
public void open(org.apache.flink.api.common.serialization.DeserializationSchema.InitializationContext context)
open
在接口中 org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>
public org.apache.flink.table.data.RowData deserialize(byte[] message)
deserialize
在接口中 org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>
public boolean isEndOfStream(org.apache.flink.table.data.RowData nextElement)
isEndOfStream
在接口中 org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>
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