类的使用
org.apache.flink.types.Row

使用Row的程序包

程序包	说明
org.apache.flink.api.common.typeinfo
org.apache.flink.api.java.typeutils
org.apache.flink.api.java.typeutils.runtime
org.apache.flink.types

org.apache.flink.api.common.typeinfo中Row的使用

返回变量类型为Row的类型的org.apache.flink.api.common.typeinfo中的方法

限定符和类型	方法和说明
static TypeInformation<Row>	Types.ROW_NAMED(String[] fieldNames, TypeInformation<?>... types) Returns type information for Row with fields of the given types and with given names.
static TypeInformation<Row>	Types.ROW(TypeInformation<?>... types) Returns type information for Row with fields of the given types.

org.apache.flink.api.java.typeutils中Row的使用

返回变量类型为Row的类型的org.apache.flink.api.java.typeutils中的方法

限定符和类型	方法和说明
TypeComparator<Row>	RowTypeInfo.createComparator(int[] logicalKeyFields, boolean[] orders, int logicalFieldOffset, ExecutionConfig config)
TypeSerializer<Row>	RowTypeInfo.createLegacySerializer(ExecutionConfig config) 已过时。
TypeSerializer<Row>	RowTypeInfo.createSerializer(ExecutionConfig config)
protected CompositeType.TypeComparatorBuilder<Row>	RowTypeInfo.createTypeComparatorBuilder()

org.apache.flink.api.java.typeutils.runtime中Row的使用

返回Row的org.apache.flink.api.java.typeutils.runtime中的方法

限定符和类型	方法和说明
Row	RowSerializer.copy(Row from)
Row	RowSerializer.copy(Row from, Row reuse)
Row	RowSerializer.createInstance()
Row	RowSerializer.deserialize(DataInputView source)
Row	RowSerializer.deserialize(Row reuse, DataInputView source)
Row	RowComparator.readWithKeyDenormalization(Row reuse, DataInputView source)

返回变量类型为Row的类型的org.apache.flink.api.java.typeutils.runtime中的方法

限定符和类型	方法和说明
TypeSerializer<Row>	RowSerializer.duplicate()
TypeComparator<Row>	RowComparator.duplicate()
TypeSerializerSchemaCompatibility<Row>	RowSerializer.RowSerializerConfigSnapshot.resolveSchemaCompatibility(TypeSerializer<Row> newSerializer) 已过时。
TypeSerializerSnapshot<Row>	RowSerializer.snapshotConfiguration()

参数类型为Row的org.apache.flink.api.java.typeutils.runtime中的方法

限定符和类型	方法和说明
int	RowComparator.compare(Row first, Row second)
Row	RowSerializer.copy(Row from)
Row	RowSerializer.copy(Row from, Row reuse)
Row	RowSerializer.deserialize(Row reuse, DataInputView source)
boolean	RowComparator.equalToReference(Row candidate)
int	RowComparator.hash(Row record)
void	RowComparator.putNormalizedKey(Row record, MemorySegment target, int offset, int numBytes)
Row	RowComparator.readWithKeyDenormalization(Row reuse, DataInputView source)
void	RowSerializer.serialize(Row record, DataOutputView target)
void	RowComparator.setReference(Row toCompare)
void	RowComparator.writeWithKeyNormalization(Row record, DataOutputView target)

类型变量类型为Row的org.apache.flink.api.java.typeutils.runtime中的方法参数

限定符和类型	方法和说明
int	RowComparator.compareToReference(TypeComparator<Row> referencedComparator)
TypeSerializerSchemaCompatibility<Row>	RowSerializer.RowSerializerConfigSnapshot.resolveSchemaCompatibility(TypeSerializer<Row> newSerializer) 已过时。

org.apache.flink.types中Row的使用

返回Row的org.apache.flink.types中的方法

限定符和类型	方法和说明
static Row	Row.copy(Row row) Creates a new row which is copied from another row (including its RowKind).
static Row	RowUtils.createRowWithNamedPositions(RowKind kind, Object[] fieldByPosition, LinkedHashMap<String,Integer> positionByName) Internal utility for creating a row in static named-position field mode.
static Row	Row.join(Row first, Row... remainings) Creates a new row with fields that are copied from the other rows and appended to the resulting row in the given order.
static Row	Row.of(Object... values) Creates a fixed-length row in position-based field mode and assigns the given values to the row's fields.
static Row	Row.ofKind(RowKind kind, Object... values) Creates a fixed-length row in position-based field mode with given kind and assigns the given values to the row's fields.
static Row	Row.project(Row row, int[] fieldPositions) Creates a new row with projected fields and identical RowKind from another row.
static Row	Row.project(Row row, String[] fieldNames) Creates a new row with projected fields and identical RowKind from another row.
static Row	Row.withNames() Creates a variable-length row in name-based field mode.
static Row	Row.withNames(RowKind kind) Creates a variable-length row in name-based field mode.
static Row	Row.withPositions(int arity) Creates a fixed-length row in position-based field mode.
static Row	Row.withPositions(RowKind kind, int arity) Creates a fixed-length row in position-based field mode.

参数类型为Row的org.apache.flink.types中的方法

限定符和类型	方法和说明
static Row	Row.copy(Row row) Creates a new row which is copied from another row (including its RowKind).
static Row	Row.join(Row first, Row... remainings) Creates a new row with fields that are copied from the other rows and appended to the resulting row in the given order.
static Row	Row.join(Row first, Row... remainings) Creates a new row with fields that are copied from the other rows and appended to the resulting row in the given order.
static Row	Row.project(Row row, int[] fieldPositions) Creates a new row with projected fields and identical RowKind from another row.
static Row	Row.project(Row row, String[] fieldNames) Creates a new row with projected fields and identical RowKind from another row.

类型变量类型为Row的org.apache.flink.types中的方法参数

限定符和类型	方法和说明
static boolean	RowUtils.compareRows(List<Row> l1, List<Row> l2) Compares two Lists of Row for deep equality.
static boolean	RowUtils.compareRows(List<Row> l1, List<Row> l2) Compares two Lists of Row for deep equality.
static boolean	RowUtils.compareRows(List<Row> l1, List<Row> l2, boolean ignoreOrder) Compares two Lists of Row for deep equality.
static boolean	RowUtils.compareRows(List<Row> l1, List<Row> l2, boolean ignoreOrder) Compares two Lists of Row for deep equality.