Uses of Class
org.apache.flink.table.types.DataType

Packages that use DataType

Package	Description
org.apache.flink.table.api
org.apache.flink.table.api.dataview
org.apache.flink.table.catalog
org.apache.flink.table.connector
org.apache.flink.table.connector.format
org.apache.flink.table.connector.sink
org.apache.flink.table.connector.sink.abilities
org.apache.flink.table.connector.source
org.apache.flink.table.connector.source.abilities
org.apache.flink.table.descriptors
org.apache.flink.table.expressions
org.apache.flink.table.factories
org.apache.flink.table.functions
org.apache.flink.table.functions.python
org.apache.flink.table.legacy.api
org.apache.flink.table.legacy.descriptors
org.apache.flink.table.legacy.sinks
org.apache.flink.table.legacy.sources
org.apache.flink.table.sources.tsextractors
org.apache.flink.table.types
org.apache.flink.table.types.extraction
org.apache.flink.table.types.inference
org.apache.flink.table.types.inference.strategies
org.apache.flink.table.types.inference.transforms
org.apache.flink.table.types.inference.utils
org.apache.flink.table.types.utils
org.apache.flink.table.typeutils
org.apache.flink.table.utils

Uses of DataType in org.apache.flink.table.api

Methods in org.apache.flink.table.api that return DataType

Modifier and Type	Method	Description
static DataType	DataTypes.ARRAY(DataType elementDataType)	Data type of an array of elements with same subtype.
static DataType	DataTypes.BIGINT()	Data type of an 8-byte signed integer with values from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807.
static DataType	DataTypes.BINARY(int n)	Data type of a fixed-length binary string (=a sequence of bytes) BINARY(n) where n is the number of bytes.
static DataType	DataTypes.BOOLEAN()	Data type of a boolean with a (possibly) three-valued logic of TRUE, FALSE, UNKNOWN.
static DataType	DataTypes.BYTES()	Data type of a variable-length binary string (=a sequence of bytes) with defined maximum length.
static DataType	DataTypes.CHAR(int n)	Data type of a fixed-length character string CHAR(n) where n is the number of code points.
static DataType	DataTypes.DATE()	Data type of a date consisting of year-month-day with values ranging from 0000-01-01 to 9999-12-31.
static DataType	DataTypes.DECIMAL(int precision, int scale)	Data type of a decimal number with fixed precision and scale DECIMAL(p, s) where p is the number of digits in a number (=precision) and s is the number of digits to the right of the decimal point in a number (=scale).
static DataType	DataTypes.DOUBLE()	Data type of an 8-byte double precision floating point number.
static DataType	DataTypes.FLOAT()	Data type of a 4-byte single precision floating point number.
DataType	DataTypes.Field.getDataType()
static DataType	DataTypes.INT()	Data type of a 4-byte signed integer with values from -2,147,483,648 to 2,147,483,647.
static DataType	DataTypes.INTERVAL(DataTypes.Resolution resolution)	Data type of a temporal interval.
static DataType	DataTypes.INTERVAL(DataTypes.Resolution upperResolution, DataTypes.Resolution lowerResolution)	Data type of a temporal interval.
static DataType	DataTypes.MAP(DataType keyDataType, DataType valueDataType)	Data type of an associative array that maps keys (including NULL) to values (including NULL).
static DataType	DataTypes.MULTISET(DataType elementDataType)	Data type of a multiset (=bag).
static DataType	DataTypes.NULL()	Data type for representing untyped NULL values.
static DataType	DataTypes.of(LogicalType logicalType)	Creates a DataType from a LogicalType with default conversion class.
static <T> DataType	DataTypes.RAW(Class<T> clazz, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)	Data type of an arbitrary serialized type.
static DataType	DataTypes.ROW()	Data type of a row type with no fields.
static DataType	DataTypes.ROW(List<DataTypes.Field> fields)
static DataType	DataTypes.ROW(DataTypes.Field... fields)	Data type of a sequence of fields.
static DataType	DataTypes.ROW(DataType... fieldDataTypes)	Data type of a sequence of fields.
static DataType	DataTypes.SMALLINT()	Data type of a 2-byte signed integer with values from -32,768 to 32,767.
static DataType	DataTypes.STRING()	Data type of a variable-length character string with defined maximum length.
static <T> DataType	DataTypes.STRUCTURED(Class<T> implementationClass, DataTypes.Field... fields)	Data type of a user-defined object structured type.
static DataType	DataTypes.TIME()	Data type of a time WITHOUT time zone TIME with no fractional seconds by default.
static DataType	DataTypes.TIME(int precision)	Data type of a time WITHOUT time zone TIME(p) where p is the number of digits of fractional seconds (=precision).
static DataType	DataTypes.TIMESTAMP()	Data type of a timestamp WITHOUT time zone TIMESTAMP with 6 digits of fractional seconds by default.
static DataType	DataTypes.TIMESTAMP(int precision)	Data type of a timestamp WITHOUT time zone TIMESTAMP(p) where p is the number of digits of fractional seconds (=precision).
static DataType	DataTypes.TIMESTAMP_LTZ()	Data type of a timestamp WITH LOCAL time zone.
static DataType	DataTypes.TIMESTAMP_LTZ(int precision)	Data type of a timestamp WITH LOCAL time zone.
static DataType	DataTypes.TIMESTAMP_WITH_LOCAL_TIME_ZONE()	Data type of a timestamp WITH LOCAL time zone TIMESTAMP WITH LOCAL TIME ZONE with 6 digits of fractional seconds by default.
static DataType	DataTypes.TIMESTAMP_WITH_LOCAL_TIME_ZONE(int precision)	Data type of a timestamp WITH LOCAL time zone TIMESTAMP(p) WITH LOCAL TIME ZONE where p is the number of digits of fractional seconds (=precision).
static DataType	DataTypes.TIMESTAMP_WITH_TIME_ZONE()	Data type of a timestamp WITH time zone TIMESTAMP WITH TIME ZONE with 6 digits of fractional seconds by default.
static DataType	DataTypes.TIMESTAMP_WITH_TIME_ZONE(int precision)	Data type of a timestamp WITH time zone TIMESTAMP(p) WITH TIME ZONE where p is the number of digits of fractional seconds (=precision).
static DataType	DataTypes.TINYINT()	Data type of a 1-byte signed integer with values from -128 to 127.
static DataType	DataTypes.VARBINARY(int n)	Data type of a variable-length binary string (=a sequence of bytes) VARBINARY(n) where n is the maximum number of bytes.
static DataType	DataTypes.VARCHAR(int n)	Data type of a variable-length character string VARCHAR(n) where n is the maximum number of code points.

Methods in org.apache.flink.table.api with parameters of type DataType

Modifier and Type	Method	Description
static DataType	DataTypes.ARRAY(DataType elementDataType)	Data type of an array of elements with same subtype.
static DataTypes.Field	DataTypes.FIELD(String name, DataType dataType)	Field definition with field name and data type.
static DataTypes.Field	DataTypes.FIELD(String name, DataType dataType, String description)	Field definition with field name, data type, and a description.
Schema.Builder	Schema.Builder.fromRowDataType(DataType dataType)	Adopts all fields of the given row as physical columns of the schema.
static DataType	DataTypes.MAP(DataType keyDataType, DataType valueDataType)	Data type of an associative array that maps keys (including NULL) to values (including NULL).
static DataType	DataTypes.MULTISET(DataType elementDataType)	Data type of a multiset (=bag).
static DataType	DataTypes.ROW(DataType... fieldDataTypes)	Data type of a sequence of fields.

Uses of DataType in org.apache.flink.table.api.dataview

Methods in org.apache.flink.table.api.dataview that return DataType

Modifier and Type	Method	Description
static DataType	ListView.newListViewDataType(DataType elementDataType)	Utility method for creating a DataType of ListView explicitly.
static DataType	MapView.newMapViewDataType(DataType keyDataType, DataType valueDataType)	Utility method for creating a DataType of MapView explicitly.

Methods in org.apache.flink.table.api.dataview with parameters of type DataType

Modifier and Type	Method	Description
static DataType	ListView.newListViewDataType(DataType elementDataType)	Utility method for creating a DataType of ListView explicitly.
static DataType	MapView.newMapViewDataType(DataType keyDataType, DataType valueDataType)	Utility method for creating a DataType of MapView explicitly.

Uses of DataType in org.apache.flink.table.catalog

Fields in org.apache.flink.table.catalog declared as DataType

Modifier and Type	Field	Description
protected DataType	Column.dataType

Methods in org.apache.flink.table.catalog that return DataType

Modifier and Type	Method	Description
<T> DataType	DataTypeFactory.createDataType(Class<T> clazz)	Creates a type by analyzing the given class.
DataType	DataTypeFactory.createDataType(String typeString)	Creates a type by a fully or partially defined name.
<T> DataType	DataTypeFactory.createDataType(org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo)	Creates a type for the given TypeInformation.
DataType	DataTypeFactory.createDataType(UnresolvedIdentifier identifier)	Creates a type by a fully or partially defined identifier.
DataType	DataTypeFactory.createDataType(AbstractDataType<?> abstractDataType)	Creates a type out of an AbstractDataType.
<T> DataType	DataTypeFactory.createRawDataType(Class<T> clazz)	Creates a RAW type for the given class in cases where no serializer is known and a generic serializer should be used.
<T> DataType	DataTypeFactory.createRawDataType(org.apache.flink.api.common.typeinfo.TypeInformation<T> typeInfo)	Creates a RAW type for the given TypeInformation.
DataType	Column.getDataType()	Returns the data type of this column.
DataType	TableChange.ModifyPhysicalColumnType.getNewType()	Get the column type for the new column.
DataType	ResolvedSchema.toPhysicalRowDataType()	Converts all physical columns of this schema into a (possibly nested) row data type.
DataType	ResolvedSchema.toSinkRowDataType()	Converts all persisted columns of this schema into a (possibly nested) row data type.
DataType	ResolvedSchema.toSourceRowDataType()	Converts all columns of this schema into a (possibly nested) row data type.

Methods in org.apache.flink.table.catalog that return types with arguments of type DataType

Modifier and Type	Method	Description
List<DataType>	ResolvedSchema.getColumnDataTypes()	Returns all column data types.

Methods in org.apache.flink.table.catalog with parameters of type DataType

Modifier and Type	Method	Description
Column	Column.ComputedColumn.copy(DataType newDataType)
abstract Column	Column.copy(DataType newType)	Returns a copy of the column with a replaced DataType.
Column	Column.MetadataColumn.copy(DataType newDataType)
Column	Column.PhysicalColumn.copy(DataType newDataType)
static Column.MetadataColumn	Column.metadata(String name, DataType dataType, String metadataKey, boolean isVirtual)	Creates a metadata column from metadata of the given column name or from metadata of the given key (if not null).
static TableChange.ModifyPhysicalColumnType	TableChange.modifyPhysicalColumnType(Column oldColumn, DataType newType)	A table change that modify the physical column data type.
static Column.PhysicalColumn	Column.physical(String name, DataType dataType)	Creates a regular table column that represents physical data.
static ResolvedSchema	ResolvedSchema.physical(String[] columnNames, DataType[] columnDataTypes)	Shortcut for a resolved schema of only physical columns.

Uses of DataType in org.apache.flink.table.connector

Methods in org.apache.flink.table.connector that return DataType

Modifier and Type	Method	Description
abstract DataType	Projection.project(DataType dataType)	Projects a (possibly nested) row data type by returning a new data type that only includes fields of the given index paths.

Methods in org.apache.flink.table.connector with parameters of type DataType

Modifier and Type	Method	Description
static Projection	Projection.all(DataType dataType)	Create a Projection of all the fields in the provided dataType.
Projection	Projection.complement(DataType dataType)	Like Projection.complement(int), using the dataType fields count.
static Projection	Projection.fromFieldNames(DataType dataType, List<String> projectedFields)	Create a Projection of the provided dataType using the provided projectedFields.
abstract DataType	Projection.project(DataType dataType)	Projects a (possibly nested) row data type by returning a new data type that only includes fields of the given index paths.

Uses of DataType in org.apache.flink.table.connector.format

Methods in org.apache.flink.table.connector.format that return types with arguments of type DataType

Modifier and Type	Method	Description
default Map<String,DataType>	DecodingFormat.listReadableMetadata()	Returns the map of metadata keys and their corresponding data types that can be produced by this format for reading.
default Map<String,DataType>	EncodingFormat.listWritableMetadata()	Returns the map of metadata keys and their corresponding data types that can be consumed by this format for writing.

Methods in org.apache.flink.table.connector.format with parameters of type DataType

Modifier and Type	Method	Description
I	DecodingFormat.createRuntimeDecoder(DynamicTableSource.Context context, DataType physicalDataType)	Creates runtime decoder implementation that is configured to produce data of the given data type.
default I	ProjectableDecodingFormat.createRuntimeDecoder(DynamicTableSource.Context context, DataType projectedPhysicalDataType)
I	ProjectableDecodingFormat.createRuntimeDecoder(DynamicTableSource.Context context, DataType physicalDataType, int[][] projections)	Creates runtime decoder implementation that is configured to produce data of type Projection.of(projections).project(physicalDataType).
I	EncodingFormat.createRuntimeEncoder(DynamicTableSink.Context context, DataType physicalDataType)	Creates runtime encoder implementation that is configured to consume data of the given data type.
TableStats	FileBasedStatisticsReportableInputFormat.reportStatistics(List<org.apache.flink.core.fs.Path> files, DataType producedDataType)	Returns the estimated statistics of this input format.

Uses of DataType in org.apache.flink.table.connector.sink

Methods in org.apache.flink.table.connector.sink with parameters of type DataType

Modifier and Type	Method	Description
DynamicTableSink.DataStructureConverter	DynamicTableSink.Context.createDataStructureConverter(DataType consumedDataType)	Creates a converter for mapping between Flink's internal data structures and objects specified by the given DataType that can be passed into a runtime implementation.
<T> org.apache.flink.api.common.typeinfo.TypeInformation<T>	DynamicTableSink.Context.createTypeInformation(DataType consumedDataType)	Creates type information describing the internal data structures of the given DataType.

Uses of DataType in org.apache.flink.table.connector.sink.abilities

Methods in org.apache.flink.table.connector.sink.abilities that return types with arguments of type DataType

Modifier and Type	Method	Description
Map<String,DataType>	SupportsWritingMetadata.listWritableMetadata()	Returns the map of metadata keys and their corresponding data types that can be consumed by this table sink for writing.

Methods in org.apache.flink.table.connector.sink.abilities with parameters of type DataType

Modifier and Type	Method	Description
void	SupportsWritingMetadata.applyWritableMetadata(List<String> metadataKeys, DataType consumedDataType)	Provides a list of metadata keys that the consumed RowData will contain as appended metadata columns which must be persisted.

Uses of DataType in org.apache.flink.table.connector.source

Methods in org.apache.flink.table.connector.source with parameters of type DataType

Modifier and Type	Method	Description
DynamicTableSource.DataStructureConverter	DynamicTableSource.Context.createDataStructureConverter(DataType producedDataType)	Creates a converter for mapping between objects specified by the given DataType and Flink's internal data structures that can be passed into a runtime implementation.
<T> org.apache.flink.api.common.typeinfo.TypeInformation<T>	DynamicTableSource.Context.createTypeInformation(DataType producedDataType)	Creates type information describing the internal data structures of the given DataType.

Uses of DataType in org.apache.flink.table.connector.source.abilities

Methods in org.apache.flink.table.connector.source.abilities that return types with arguments of type DataType

Modifier and Type	Method	Description
Map<String,DataType>	SupportsReadingMetadata.listReadableMetadata()	Returns the map of metadata keys and their corresponding data types that can be produced by this table source for reading.

Methods in org.apache.flink.table.connector.source.abilities with parameters of type DataType

Modifier and Type	Method	Description
boolean	SupportsAggregatePushDown.applyAggregates(List<int[]> groupingSets, List<AggregateExpression> aggregateExpressions, DataType producedDataType)	Provides a list of aggregate expressions and the grouping keys.
default void	SupportsProjectionPushDown.applyProjection(int[][] projectedFields, DataType producedDataType)	Provides the field index paths that should be used for a projection.
void	SupportsReadingMetadata.applyReadableMetadata(List<String> metadataKeys, DataType producedDataType)	Provides a list of metadata keys that the produced RowData must contain as appended metadata columns.

Uses of DataType in org.apache.flink.table.descriptors

Methods in org.apache.flink.table.descriptors that return DataType

Modifier and Type	Method	Description
DataType	DescriptorProperties.getDataType(String key)	Deprecated. Returns the DataType under the given existing key.

Methods in org.apache.flink.table.descriptors that return types with arguments of type DataType

Modifier and Type	Method	Description
Optional<DataType>	DescriptorProperties.getOptionalDataType(String key)	Deprecated. Returns the DataType under the given key if it exists.

Uses of DataType in org.apache.flink.table.expressions

Methods in org.apache.flink.table.expressions that return DataType

Modifier and Type	Method	Description
DataType	AggregateExpression.getOutputDataType()
DataType	CallExpression.getOutputDataType()
DataType	FieldReferenceExpression.getOutputDataType()
DataType	NestedFieldReferenceExpression.getOutputDataType()
DataType	ResolvedExpression.getOutputDataType()	Returns the data type of the computation result.
DataType	TypeLiteralExpression.getOutputDataType()
DataType	ValueLiteralExpression.getOutputDataType()

Methods in org.apache.flink.table.expressions with parameters of type DataType

Modifier and Type	Method	Description
static CallExpression	CallExpression.anonymous(FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Creates a CallExpression to an anonymous function that has been declared inline without a FunctionIdentifier.
static CallExpression	CallExpression.permanent(BuiltInFunctionDefinition builtInFunctionDefinition, List<ResolvedExpression> args, DataType dataType)	Creates a CallExpression to a resolved built-in function.
static CallExpression	CallExpression.permanent(FunctionIdentifier functionIdentifier, FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Creates a CallExpression to a permanent function (persisted in a Catalog or provided by a Module).
CallExpression	CallExpression.replaceArgs(List<ResolvedExpression> args, DataType dataType)
static CallExpression	CallExpression.temporary(FunctionIdentifier functionIdentifier, FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Creates a CallExpression to a temporary function (potentially shadowing a Catalog function or providing a system function).

Constructors in org.apache.flink.table.expressions with parameters of type DataType

Constructor	Description
AggregateExpression(FunctionDefinition functionDefinition, List<FieldReferenceExpression> args, CallExpression filterExpression, DataType resultType, boolean distinct, boolean approximate, boolean ignoreNulls)
CallExpression(boolean isTemporary, FunctionIdentifier functionIdentifier, FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)
CallExpression(FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Deprecated. Use CallExpression.anonymous(FunctionDefinition, List, DataType) instead.
CallExpression(FunctionIdentifier functionIdentifier, FunctionDefinition functionDefinition, List<ResolvedExpression> args, DataType dataType)	Deprecated. Use CallExpression.permanent(FunctionIdentifier, FunctionDefinition, List, DataType) or CallExpression.temporary(FunctionIdentifier, FunctionDefinition, List, DataType) instead.
FieldReferenceExpression(String name, DataType dataType, int inputIndex, int fieldIndex)
NestedFieldReferenceExpression(String[] fieldNames, int[] fieldIndices, DataType dataType)
TypeLiteralExpression(DataType dataType)
ValueLiteralExpression(Object value, DataType dataType)

Uses of DataType in org.apache.flink.table.factories

Methods in org.apache.flink.table.factories that return DataType

Modifier and Type	Method	Description
default DataType	DynamicTableFactory.Context.getPhysicalRowDataType()	Returns the physical schema to use for encoding and decoding records.

Uses of DataType in org.apache.flink.table.functions

Methods in org.apache.flink.table.functions with parameters of type DataType

Modifier and Type	Method	Description
SpecializedFunction.ExpressionEvaluator	SpecializedFunction.ExpressionEvaluatorFactory.createEvaluator(String sqlExpression, DataType outputDataType, DataTypes.Field... args)	Shorthand for createEvaluator(callSql("..."), ...).
SpecializedFunction.ExpressionEvaluator	SpecializedFunction.ExpressionEvaluatorFactory.createEvaluator(Expression expression, DataType outputDataType, DataTypes.Field... args)	Creates a serializable factory that can be passed into a UserDefinedFunction for evaluating an Expression during runtime.
SpecializedFunction.ExpressionEvaluator	SpecializedFunction.ExpressionEvaluatorFactory.createEvaluator(BuiltInFunctionDefinition function, DataType outputDataType, DataType... args)	Creates a serializable factory that can be passed into a UserDefinedFunction for evaluating a BuiltInFunctionDefinition during runtime.
BuiltInFunctionDefinition.Builder	BuiltInFunctionDefinition.Builder.typedArguments(DataType... argumentTypes)

Uses of DataType in org.apache.flink.table.functions.python

Constructors in org.apache.flink.table.functions.python with parameters of type DataType

Constructor	Description
PythonAggregateFunction(String name, byte[] serializedAggregateFunction, DataType[] inputTypes, DataType resultType, DataType accumulatorType, PythonFunctionKind pythonFunctionKind, boolean deterministic, boolean takesRowAsInput, PythonEnv pythonEnv)
PythonScalarFunction(String name, byte[] serializedScalarFunction, DataType[] inputTypes, DataType resultType, PythonFunctionKind pythonFunctionKind, boolean deterministic, boolean takesRowAsInput, PythonEnv pythonEnv)
PythonTableAggregateFunction(String name, byte[] serializedTableAggregateFunction, DataType[] inputTypes, DataType resultType, DataType accumulatorType, PythonFunctionKind pythonFunctionKind, boolean deterministic, boolean takesRowAsInput, PythonEnv pythonEnv)
PythonTableFunction(String name, byte[] serializedScalarFunction, DataType[] inputTypes, DataType resultType, PythonFunctionKind pythonFunctionKind, boolean deterministic, boolean takesRowAsInput, PythonEnv pythonEnv)

Uses of DataType in org.apache.flink.table.legacy.api

Methods in org.apache.flink.table.legacy.api that return DataType

Modifier and Type	Method	Description
DataType[]	TableSchema.getFieldDataTypes()	Deprecated. Returns all field data types as an array.
DataType	TableColumn.getType()	Deprecated. Returns the data type of this column.
DataType	WatermarkSpec.getWatermarkExprOutputType()	Deprecated. Returns the data type of the computation result of watermark generation expression.
DataType	TableSchema.toPersistedRowDataType()	Deprecated. Converts all persisted columns of this schema into a (possibly nested) row data type.
DataType	TableSchema.toPhysicalRowDataType()	Deprecated. Converts all physical columns of this schema into a (possibly nested) row data type.
DataType	TableSchema.toRowDataType()	Deprecated. Converts all columns of this schema into a (possibly nested) row data type.

Methods in org.apache.flink.table.legacy.api that return types with arguments of type DataType

Modifier and Type	Method	Description
Optional<DataType>	TableSchema.getFieldDataType(int fieldIndex)	Deprecated. Returns the specified data type for the given field index.
Optional<DataType>	TableSchema.getFieldDataType(String fieldName)	Deprecated. Returns the specified data type for the given field name.

Methods in org.apache.flink.table.legacy.api with parameters of type DataType

Modifier and Type	Method	Description
static TableColumn.ComputedColumn	TableColumn.computed(String name, DataType type, String expression)	Deprecated. Creates a computed column that is computed from the given SQL expression.
TableSchema.Builder	TableSchema.Builder.field(String name, DataType dataType)	Add a field with name and data type.
TableSchema.Builder	TableSchema.Builder.field(String name, DataType dataType, String expression)	Add a computed field which is generated by the given expression.
TableSchema.Builder	TableSchema.Builder.fields(String[] names, DataType[] dataTypes)	Add an array of fields with names and data types.
static TableColumn.MetadataColumn	TableColumn.metadata(String name, DataType type)	Deprecated. Creates a metadata column from metadata of the given column name.
static TableColumn.MetadataColumn	TableColumn.metadata(String name, DataType type, boolean isVirtual)	Deprecated. Creates a metadata column from metadata of the given column name.
static TableColumn.MetadataColumn	TableColumn.metadata(String name, DataType type, String metadataAlias)	Deprecated. Creates a metadata column from metadata of the given alias.
static TableColumn.MetadataColumn	TableColumn.metadata(String name, DataType type, String metadataAlias, boolean isVirtual)	Deprecated. Creates a metadata column from metadata of the given column name or from metadata of the given alias (if not null).
static TableColumn	TableColumn.of(String name, DataType type)	Deprecated. Use TableColumn.physical(String, DataType) instead.
static TableColumn	TableColumn.of(String name, DataType type, String expression)	Deprecated. Use TableColumn.computed(String, DataType, String) instead.
static TableColumn.PhysicalColumn	TableColumn.physical(String name, DataType type)	Deprecated. Creates a regular table column that represents physical data.
TableSchema.Builder	TableSchema.Builder.watermark(String rowtimeAttribute, String watermarkExpressionString, DataType watermarkExprOutputType)	Specifies the previously defined field as an event-time attribute and specifies the watermark strategy.

Constructors in org.apache.flink.table.legacy.api with parameters of type DataType

Constructor	Description
WatermarkSpec(String rowtimeAttribute, String watermarkExpressionString, DataType watermarkExprOutputType)	Deprecated.

Uses of DataType in org.apache.flink.table.legacy.descriptors

Methods in org.apache.flink.table.legacy.descriptors with parameters of type DataType

Modifier and Type	Method	Description
Schema	Schema.field(String fieldName, DataType fieldType)	Deprecated. Adds a field with the field name and the data type.

Uses of DataType in org.apache.flink.table.legacy.sinks

Methods in org.apache.flink.table.legacy.sinks that return DataType

Modifier and Type	Method	Description
default DataType	TableSink.getConsumedDataType()	Deprecated. Returns the data type consumed by this TableSink.

Uses of DataType in org.apache.flink.table.legacy.sources

Methods in org.apache.flink.table.legacy.sources that return DataType

Modifier and Type	Method	Description
default DataType	TableSource.getProducedDataType()	Deprecated. Returns the DataType for the produced data of the TableSource.

Uses of DataType in org.apache.flink.table.sources.tsextractors

Methods in org.apache.flink.table.sources.tsextractors with parameters of type DataType

Modifier and Type	Method	Description
static ResolvedFieldReference[]	TimestampExtractorUtils.getAccessedFields(TimestampExtractor timestampExtractor, DataType physicalInputType, Function<String,String> nameRemapping)	Retrieves all field accesses needed for the given TimestampExtractor.

Uses of DataType in org.apache.flink.table.types

Subclasses of DataType in org.apache.flink.table.types

Modifier and Type	Class	Description
class	AtomicDataType	A data type that does not contain further data types (e.g.
class	CollectionDataType	A data type that contains an element type (e.g.
class	FieldsDataType	A data type that contains field data types (i.e. row and structured type).
class	KeyValueDataType	A data type that contains a key and value data type (e.g.

Methods in org.apache.flink.table.types that return DataType

Modifier and Type	Method	Description
DataType	AtomicDataType.bridgedTo(Class<?> newConversionClass)
DataType	CollectionDataType.bridgedTo(Class<?> newConversionClass)
DataType	FieldsDataType.bridgedTo(Class<?> newConversionClass)
DataType	KeyValueDataType.bridgedTo(Class<?> newConversionClass)
DataType	DataTypeQueryable.getDataType()
DataType	CollectionDataType.getElementDataType()
DataType	KeyValueDataType.getKeyDataType()
DataType	KeyValueDataType.getValueDataType()
DataType	AtomicDataType.notNull()
DataType	CollectionDataType.notNull()
DataType	FieldsDataType.notNull()
DataType	KeyValueDataType.notNull()
DataType	AtomicDataType.nullable()
DataType	CollectionDataType.nullable()
DataType	FieldsDataType.nullable()
DataType	KeyValueDataType.nullable()
DataType	UnresolvedDataType.toDataType(DataTypeFactory factory)	Converts this instance to a resolved DataType possibly enriched with additional nullability and conversion class information.
DataType	DataType.toInternal()	Creates a copy of this DataType instance with the internal data type conversion classes.

Methods in org.apache.flink.table.types that return types with arguments of type DataType

Modifier and Type	Method	Description
List<DataType>	AtomicDataType.getChildren()
List<DataType>	CollectionDataType.getChildren()
abstract List<DataType>	DataType.getChildren()	Returns the children of this data type, if any.
List<DataType>	FieldsDataType.getChildren()
List<DataType>	KeyValueDataType.getChildren()
static List<DataType>	DataType.getFieldDataTypes(DataType dataType)	Returns the first-level field data types for the provided DataType.

Methods in org.apache.flink.table.types with parameters of type DataType

Modifier and Type	Method	Description
static int	DataType.getFieldCount(DataType dataType)	Returns the count of the first-level fields for the provided DataType.
static List<DataType>	DataType.getFieldDataTypes(DataType dataType)	Returns the first-level field data types for the provided DataType.
static List<String>	DataType.getFieldNames(DataType dataType)	Returns the first-level field names for the provided DataType.
static List<DataTypes.Field>	DataType.getFields(DataType dataType)	Returns an ordered list of fields starting from the provided DataType.

Constructors in org.apache.flink.table.types with parameters of type DataType

Constructor	Description
CollectionDataType(LogicalType logicalType, Class<?> conversionClass, DataType elementDataType)
CollectionDataType(LogicalType logicalType, DataType elementDataType)
KeyValueDataType(LogicalType logicalType, Class<?> conversionClass, DataType keyDataType, DataType valueDataType)
KeyValueDataType(LogicalType logicalType, DataType keyDataType, DataType valueDataType)

Constructor parameters in org.apache.flink.table.types with type arguments of type DataType

Constructor	Description
FieldsDataType(LogicalType logicalType, Class<?> conversionClass, List<DataType> fieldDataTypes)
FieldsDataType(LogicalType logicalType, List<DataType> fieldDataTypes)
UnresolvedDataType(Supplier<String> description, Function<DataTypeFactory,DataType> resolutionFactory)

Uses of DataType in org.apache.flink.table.types.extraction

Methods in org.apache.flink.table.types.extraction that return DataType

Modifier and Type	Method	Description
static DataType	DataTypeExtractor.extractFromGeneric(DataTypeFactory typeFactory, Class<?> baseClass, int genericPos, Type contextType)	Extracts a data type from a type variable at genericPos of baseClass using the information of the most specific type contextType.
static DataType	DataTypeExtractor.extractFromGenericMethodParameter(DataTypeFactory typeFactory, Class<?> baseClass, Method method, int paramPos, int genericPos)	Extracts a data type from a method parameter by considering surrounding classes and parameter annotation.
static DataType	DataTypeExtractor.extractFromMethodOutput(DataTypeFactory typeFactory, Class<?> baseClass, Method method)	Extracts a data type from a method return type by considering surrounding classes and method annotation.
static DataType	DataTypeExtractor.extractFromMethodOutput(DataTypeFactory typeFactory, Class<?> baseClass, Method method, Type methodReturnType)	Extracts a data type from a method return type with specifying the method's type explicitly by considering surrounding classes and method annotation.
static DataType	DataTypeExtractor.extractFromMethodParameter(DataTypeFactory typeFactory, Class<?> baseClass, Method method, int paramPos)	Extracts a data type from a method parameter by considering surrounding classes and parameter annotation.
static DataType	DataTypeExtractor.extractFromType(DataTypeFactory typeFactory, Type type)	Extracts a data type from a type without considering surrounding classes or templates.
static DataType	DataTypeExtractor.extractFromType(DataTypeFactory typeFactory, org.apache.flink.table.types.extraction.DataTypeTemplate template, Type type)	Extracts a data type from a type without considering surrounding classes but templates.

Uses of DataType in org.apache.flink.table.types.inference

Methods in org.apache.flink.table.types.inference that return DataType

Modifier and Type	Method	Description
DataType	TypeInferenceUtil.Result.getOutputDataType()
static DataType	TypeInferenceUtil.inferOutputType(CallContext callContext, TypeStrategy outputTypeStrategy)	Infers an output type using the given TypeStrategy.
default DataType	TypeTransformation.transform(DataTypeFactory factory, DataType typeToTransform)	Transforms the given data type to a different data type.
DataType	TypeTransformation.transform(DataType typeToTransform)	Transforms the given data type to a different data type.

Methods in org.apache.flink.table.types.inference that return types with arguments of type DataType

Modifier and Type	Method	Description
Optional<DataType>	TypeInferenceUtil.Result.getAccumulatorDataType()
List<DataType>	CallContext.getArgumentDataTypes()	Returns a resolved list of the call's argument types.
List<DataType>	TypeInferenceUtil.Result.getExpectedArgumentTypes()
Optional<DataType>	CallContext.getOutputDataType()	Returns the inferred output data type of the function call.
Optional<List<DataType>>	TypeInference.getTypedArguments()
Optional<DataType>	ArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)	Main logic for inferring and validating an argument.
Optional<List<DataType>>	InputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)	Main logic for inferring and validating the input arguments.
Optional<DataType>	TypeInferenceUtil.SurroundingInfo.inferOutputType(DataTypeFactory typeFactory)
Optional<DataType>	TypeStrategy.inferType(CallContext callContext)	Infers a type from the given function call.

Methods in org.apache.flink.table.types.inference with parameters of type DataType

Modifier and Type	Method	Description
static CallContext	TypeInferenceUtil.adaptArguments(TypeInference typeInference, CallContext callContext, DataType outputType)	Adapts the call's argument if necessary.
static ExplicitArgumentTypeStrategy	InputTypeStrategies.explicit(DataType expectedDataType)	Strategy for an argument that corresponds to an explicitly defined type casting.
static TypeStrategy	TypeStrategies.explicit(DataType dataType)	Type strategy that returns a fixed DataType.
static InputTypeStrategy	InputTypeStrategies.explicitSequence(String[] argumentNames, DataType[] expectedDataTypes)	Strategy for a named function signature of explicitly defined types like f(s STRING, i INT).
static InputTypeStrategy	InputTypeStrategies.explicitSequence(DataType... expectedDataTypes)	Strategy for a function signature of explicitly defined types like f(STRING, INT).
static TypeInferenceUtil.SurroundingInfo	TypeInferenceUtil.SurroundingInfo.of(DataType dataType)
default DataType	TypeTransformation.transform(DataTypeFactory factory, DataType typeToTransform)	Transforms the given data type to a different data type.
DataType	TypeTransformation.transform(DataType typeToTransform)	Transforms the given data type to a different data type.
TypeInference.Builder	TypeInference.Builder.typedArguments(DataType... argumentTypes)

Method parameters in org.apache.flink.table.types.inference with type arguments of type DataType

Modifier and Type	Method	Description
static TypeStrategy	TypeStrategies.argument(int pos, Function<DataType,Optional<DataType>> mapper)	Type strategy that returns the n-th input argument, mapping it.
static TypeStrategy	TypeStrategies.argument(int pos, Function<DataType,Optional<DataType>> mapper)	Type strategy that returns the n-th input argument, mapping it.
static ConstraintArgumentTypeStrategy	InputTypeStrategies.constraint(String constraintMessage, Predicate<List<DataType>> evaluator)	Strategy for an argument that must fulfill a given constraint.
TypeInference.Builder	TypeInference.Builder.typedArguments(List<DataType> argumentTypes)	Sets the list of argument types for specifying a fixed, not overloaded, not vararg input signature explicitly.

Constructors in org.apache.flink.table.types.inference with parameters of type DataType

Constructor	Description
Result(List<DataType> expectedArgumentTypes, DataType accumulatorDataType, DataType outputDataType)

Constructor parameters in org.apache.flink.table.types.inference with type arguments of type DataType

Constructor	Description
Result(List<DataType> expectedArgumentTypes, DataType accumulatorDataType, DataType outputDataType)

Uses of DataType in org.apache.flink.table.types.inference.strategies

Methods in org.apache.flink.table.types.inference.strategies that return types with arguments of type DataType

Modifier and Type	Method	Description
Optional<DataType>	AndArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	AnyArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	ArrayComparableElementArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	ArrayOfStringArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	CommonArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	CompositeArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	ConstraintArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	ExplicitArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	FamilyArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	IndexArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	ItemAtIndexArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	JsonQueryOnErrorEmptyArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	LiteralArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	OrArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	OutputArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	PercentageArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	PercentageArrayArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	RootArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	SymbolArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<DataType>	TypeLiteralArgumentTypeStrategy.inferArgumentType(CallContext callContext, int argumentPos, boolean throwOnFailure)
Optional<List<DataType>>	CommonCollectionInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	CommonInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	ComparableTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	OrInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	OverTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	ReinterpretCastInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	RepeatingSequenceInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	SequenceInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	SubQueryInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	SubsequenceInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	VaryingSequenceInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	WildcardInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<List<DataType>>	WindowTimeIndictorInputTypeStrategy.inferInputTypes(CallContext callContext, boolean throwOnFailure)
Optional<DataType>	ArgumentMappingTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	ArrayAppendPrependTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	ArrayElementTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	CollectTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	CommonTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	ExplicitTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	FirstTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	ForceNullableTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	HiveAggDecimalPlusTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	ItemAtTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	MappingTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	MatchFamilyTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	MissingTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	NullableIfArgsTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	RowtimeTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	ToTimestampLtzTypeStrategy.inferType(CallContext callContext)
Optional<DataType>	VaryingStringTypeStrategy.inferType(CallContext callContext)

Constructors in org.apache.flink.table.types.inference.strategies with parameters of type DataType

Constructor	Description
ExplicitArgumentTypeStrategy(DataType expectedDataType)
ExplicitTypeStrategy(DataType explicitDataType)

Constructor parameters in org.apache.flink.table.types.inference.strategies with type arguments of type DataType

Constructor	Description
ArgumentMappingTypeStrategy(int pos, Function<DataType,Optional<DataType>> mapper)
ArgumentMappingTypeStrategy(int pos, Function<DataType,Optional<DataType>> mapper)
ConstraintArgumentTypeStrategy(String constraintMessage, Predicate<List<DataType>> evaluator)

Uses of DataType in org.apache.flink.table.types.inference.transforms

Methods in org.apache.flink.table.types.inference.transforms that return DataType

Modifier and Type	Method	Description
DataType	DataTypeConversionClassTransformation.transform(DataType dataType)
DataType	LegacyRawTypeTransformation.transform(DataType typeToTransform)
DataType	LegacyToNonLegacyTransformation.transform(DataTypeFactory factory, DataType dataType)
DataType	LegacyToNonLegacyTransformation.transform(DataType typeToTransform)

Methods in org.apache.flink.table.types.inference.transforms with parameters of type DataType

Modifier and Type	Method	Description
DataType	DataTypeConversionClassTransformation.transform(DataType dataType)
DataType	LegacyRawTypeTransformation.transform(DataType typeToTransform)
DataType	LegacyToNonLegacyTransformation.transform(DataTypeFactory factory, DataType dataType)
DataType	LegacyToNonLegacyTransformation.transform(DataType typeToTransform)

Uses of DataType in org.apache.flink.table.types.inference.utils

Methods in org.apache.flink.table.types.inference.utils that return types with arguments of type DataType

Modifier and Type	Method	Description
List<DataType>	AdaptedCallContext.getArgumentDataTypes()
List<DataType>	UnknownCallContext.getArgumentDataTypes()
Optional<DataType>	AdaptedCallContext.getOutputDataType()
Optional<DataType>	UnknownCallContext.getOutputDataType()

Method parameters in org.apache.flink.table.types.inference.utils with type arguments of type DataType

Modifier and Type	Method	Description
void	AdaptedCallContext.setExpectedArguments(List<DataType> expectedArguments)

Constructors in org.apache.flink.table.types.inference.utils with parameters of type DataType

Constructor	Description
AdaptedCallContext(CallContext originalContext, DataType outputDataType)

Uses of DataType in org.apache.flink.table.types.utils

Methods in org.apache.flink.table.types.utils that return DataType

Modifier and Type	Method	Description
static DataType	DataTypeUtils.appendRowFields(DataType dataType, List<DataTypes.Field> fields)	Appends the given list of fields to an existing row data type.
static DataType	DataTypeUtils.createProctimeDataType()	Returns a PROCTIME data type.
static DataType	TypeConversions.fromLegacyInfoToDataType(org.apache.flink.api.common.typeinfo.TypeInformation<?> typeInfo)	Deprecated. Please don't use this method anymore.
static DataType[]	TypeConversions.fromLegacyInfoToDataType(org.apache.flink.api.common.typeinfo.TypeInformation<?>[] typeInfo)	Deprecated. Please don't use this method anymore.
static DataType	TypeConversions.fromLogicalToDataType(LogicalType logicalType)
static DataType[]	TypeConversions.fromLogicalToDataType(LogicalType[] logicalTypes)
static DataType	DataTypeUtils.projectRow(DataType dataType, int[] indexPaths)	Deprecated. Use the Projection type
static DataType	DataTypeUtils.projectRow(DataType dataType, int[][] indexPaths)	Deprecated. Use the Projection type
static DataType	DataTypeUtils.removeTimeAttribute(DataType dataType)	Removes time attributes from the DataType.
static DataType	DataTypeUtils.replaceLogicalType(DataType dataType, LogicalType replacement)	Replaces the LogicalType of a DataType, i.e., it keeps the bridging class.
static DataType	DataTypeUtils.stripRowPrefix(DataType dataType, String prefix)	Removes a string prefix from the fields of the given row data type.
static DataType	LegacyTypeInfoDataTypeConverter.toDataType(org.apache.flink.api.common.typeinfo.TypeInformation<?> typeInfo)	Deprecated.
static DataType	LogicalTypeDataTypeConverter.toDataType(LogicalType logicalType)	Returns the data type of a logical type without explicit conversions.
static DataType	TypeInfoDataTypeConverter.toDataType(DataTypeFactory dataTypeFactory, org.apache.flink.api.common.typeinfo.TypeInformation<?> typeInfo)	Converts the given TypeInformation into DataType.
static DataType	TypeInfoDataTypeConverter.toDataType(DataTypeFactory dataTypeFactory, org.apache.flink.api.common.typeinfo.TypeInformation<?> typeInfo, boolean forceNullability)	Converts the given TypeInformation into DataType but allows to make all fields nullable independent of the nullability in the serialization stack.
static DataType	DataTypeUtils.toInternalDataType(DataType dataType)	Creates a DataType from the given DataType with internal data structures.
static DataType	DataTypeUtils.toInternalDataType(LogicalType logicalType)	Creates a DataType from the given LogicalType with internal data structures.
static DataType	DataTypeUtils.transform(DataTypeFactory factory, DataType typeToTransform, TypeTransformation... transformations)	Transforms the given data type to a different data type using the given transformations.
static DataType	DataTypeUtils.transform(DataType typeToTransform, TypeTransformation... transformations)	Transforms the given data type to a different data type using the given transformations.

Methods in org.apache.flink.table.types.utils that return types with arguments of type DataType

Modifier and Type	Method	Description
static Optional<DataType>	ClassDataTypeConverter.extractDataType(Class<?> clazz)	Returns the clearly identifiable data type if possible.
static Optional<DataType>	ValueDataTypeConverter.extractDataType(Object value)	Returns the clearly identifiable data type if possible.
static List<DataType>	DataTypeUtils.flattenToDataTypes(DataType dataType)	Returns the data types of the flat representation in the first level of the given data type.
static Optional<DataType>	TypeConversions.fromClassToDataType(Class<?> clazz)
static Optional<DataType>	DataTypeUtils.getField(DataType compositeType, int index)	Retrieves a nested field from a composite type at given position.
static Optional<DataType>	DataTypeUtils.getField(DataType compositeType, String name)	Retrieves a nested field from a composite type with given name.

Methods in org.apache.flink.table.types.utils with parameters of type DataType

Modifier and Type	Method	Description
static DataType	DataTypeUtils.appendRowFields(DataType dataType, List<DataTypes.Field> fields)	Appends the given list of fields to an existing row data type.
protected abstract R	DataTypeDefaultVisitor.defaultMethod(DataType dataType)
static ResolvedSchema	DataTypeUtils.expandCompositeTypeToSchema(DataType dataType)	Expands a composite DataType to a corresponding ResolvedSchema.
static List<DataType>	DataTypeUtils.flattenToDataTypes(DataType dataType)	Returns the data types of the flat representation in the first level of the given data type.
static List<String>	DataTypeUtils.flattenToNames(DataType dataType)	Returns the names of the flat representation of the given data type.
static List<String>	DataTypeUtils.flattenToNames(DataType dataType, List<String> existingNames)
static LogicalType	TypeConversions.fromDataToLogicalType(DataType dataType)
static LogicalType[]	TypeConversions.fromDataToLogicalType(DataType[] dataTypes)
static org.apache.flink.api.common.typeinfo.TypeInformation<?>	TypeConversions.fromDataTypeToLegacyInfo(DataType dataType)	Deprecated. Please don't use this method anymore.
static org.apache.flink.api.common.typeinfo.TypeInformation<?>[]	TypeConversions.fromDataTypeToLegacyInfo(DataType[] dataType)	Deprecated. Please don't use this method anymore.
static Optional<DataType>	DataTypeUtils.getField(DataType compositeType, int index)	Retrieves a nested field from a composite type at given position.
static Optional<DataType>	DataTypeUtils.getField(DataType compositeType, String name)	Retrieves a nested field from a composite type with given name.
static boolean	DataTypeUtils.isInternal(DataType dataType)	Checks whether a given data type is an internal data structure.
static boolean	DataTypeUtils.isInternal(DataType dataType, boolean autobox)	Checks whether a given data type is an internal data structure.
static DataType	DataTypeUtils.projectRow(DataType dataType, int[] indexPaths)	Deprecated. Use the Projection type
static DataType	DataTypeUtils.projectRow(DataType dataType, int[][] indexPaths)	Deprecated. Use the Projection type
static DataType	DataTypeUtils.removeTimeAttribute(DataType dataType)	Removes time attributes from the DataType.
static DataType	DataTypeUtils.replaceLogicalType(DataType dataType, LogicalType replacement)	Replaces the LogicalType of a DataType, i.e., it keeps the bridging class.
static DataType	DataTypeUtils.stripRowPrefix(DataType dataType, String prefix)	Removes a string prefix from the fields of the given row data type.
static DataType	DataTypeUtils.toInternalDataType(DataType dataType)	Creates a DataType from the given DataType with internal data structures.
static org.apache.flink.api.common.typeinfo.TypeInformation<?>	LegacyTypeInfoDataTypeConverter.toLegacyTypeInfo(DataType dataType)	Deprecated.
static LogicalType	LogicalTypeDataTypeConverter.toLogicalType(DataType dataType)	Returns the logical type of a data type.
static DataType	DataTypeUtils.transform(DataTypeFactory factory, DataType typeToTransform, TypeTransformation... transformations)	Transforms the given data type to a different data type using the given transformations.
static DataType	DataTypeUtils.transform(DataType typeToTransform, TypeTransformation... transformations)	Transforms the given data type to a different data type using the given transformations.
static void	DataTypeUtils.validateInputDataType(DataType dataType)	The DataType class can only partially verify the conversion class.
static void	DataTypeUtils.validateOutputDataType(DataType dataType)	The DataType class can only partially verify the conversion class.

Uses of DataType in org.apache.flink.table.typeutils

Methods in org.apache.flink.table.typeutils that return DataType

Modifier and Type	Method	Description
DataType	TimeIntervalTypeInfo.getDataType()	Deprecated.

Uses of DataType in org.apache.flink.table.utils

Methods in org.apache.flink.table.utils with parameters of type DataType

Modifier and Type	Method	Description
static int[]	TypeMappingUtils.computePhysicalIndices(List<TableColumn> logicalColumns, DataType physicalType, Function<String,String> nameRemapping)	Computes indices of physical fields corresponding to the selected logical fields of a TableSchema.
static Object	PartitionPathUtils.convertStringToInternalValue(String valStr, DataType type)	Restore partition value from string and type.
static GenericRowData	PartitionPathUtils.fillPartitionValueForRecord(String[] fieldNames, DataType[] fieldTypes, int[] selectFields, List<String> partitionKeys, org.apache.flink.core.fs.Path path, String defaultPartValue)	Extract partition value from path and fill to record.