Uses of Interface
org.apache.flink.table.types.inference.TypeStrategy

Packages that use TypeStrategy

Package	Description
org.apache.flink.table.functions
org.apache.flink.table.types.inference
org.apache.flink.table.types.inference.strategies

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

Methods in org.apache.flink.table.functions that return TypeStrategy

Modifier and Type	Method and Description
static TypeStrategy	LegacyUserDefinedFunctionInference.getOutputTypeStrategy(ScalarFunction func) Deprecated.

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

Modifier and Type	Method and Description
BuiltInFunctionDefinition.Builder	BuiltInFunctionDefinition.Builder.outputTypeStrategy(TypeStrategy outputTypeStrategy)

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

Fields in org.apache.flink.table.types.inference declared as TypeStrategy

Modifier and Type	Field and Description
static TypeStrategy	TypeStrategies.COMMON Type strategy that returns a common, least restrictive type of all arguments.
static TypeStrategy	TypeStrategies.MISSING Placeholder for a missing type strategy.

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

Modifier and Type	Method and Description
static TypeStrategy	TypeStrategies.aggArg0(Function<LogicalType,LogicalType> aggType, boolean nullableIfGroupingEmpty) Type strategy specific for aggregations that partially produce different nullability depending whether the result is grouped or not.
static TypeStrategy	TypeStrategies.argument(int pos) Type strategy that returns the n-th input argument.
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.explicit(DataType dataType) Type strategy that returns a fixed DataType.
static TypeStrategy	TypeStrategies.first(TypeStrategy... strategies) Type strategy that returns the first type that could be inferred.
static TypeStrategy	TypeStrategies.forceNullable(TypeStrategy initialStrategy) Type strategy which forces the given to be nullable.
TypeStrategy	TypeInference.getOutputTypeStrategy()
static TypeStrategy	TypeStrategies.mapping(Map<InputTypeStrategy,TypeStrategy> mappings) Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers identical types.
static TypeStrategy	TypeStrategies.matchFamily(int argumentPos, LogicalTypeFamily family) Type strategy that returns the given argument if it is of the same logical type family.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if all the selected input arguments are nullable.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if all the input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if any of the selected input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if any of the input arguments is nullable.
static TypeStrategy	TypeStrategies.varyingString(TypeStrategy initialStrategy) A type strategy that ensures that the result type is either LogicalTypeRoot.VARCHAR or LogicalTypeRoot.VARBINARY from their corresponding non-varying roots.

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

Modifier and Type	Method and Description
Optional<TypeStrategy>	TypeInference.getAccumulatorTypeStrategy()

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

Modifier and Type	Method and Description
TypeInference.Builder	TypeInference.Builder.accumulatorTypeStrategy(TypeStrategy accumulatorTypeStrategy) Sets the strategy for inferring the intermediate accumulator data type of a function call.
static TypeStrategy	TypeStrategies.first(TypeStrategy... strategies) Type strategy that returns the first type that could be inferred.
static TypeStrategy	TypeStrategies.forceNullable(TypeStrategy initialStrategy) Type strategy which forces the given to be nullable.
static DataType	TypeInferenceUtil.inferOutputType(CallContext callContext, TypeStrategy outputTypeStrategy) Infers an output type using the given TypeStrategy.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if all the selected input arguments are nullable.
static TypeStrategy	TypeStrategies.nullableIfAllArgs(TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if all the input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(ConstantArgumentCount includedArgs, TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if any of the selected input arguments is nullable.
static TypeStrategy	TypeStrategies.nullableIfArgs(TypeStrategy initialStrategy) A type strategy that can be used to make a result type nullable if any of the input arguments is nullable.
TypeInference.Builder	TypeInference.Builder.outputTypeStrategy(TypeStrategy outputTypeStrategy) Sets the strategy for inferring the final output data type of a function call.
static TypeStrategy	TypeStrategies.varyingString(TypeStrategy initialStrategy) A type strategy that ensures that the result type is either LogicalTypeRoot.VARCHAR or LogicalTypeRoot.VARBINARY from their corresponding non-varying roots.

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

Modifier and Type	Method and Description
static TypeStrategy	TypeStrategies.mapping(Map<InputTypeStrategy,TypeStrategy> mappings) Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers identical types.

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

Classes in org.apache.flink.table.types.inference.strategies that implement TypeStrategy

Modifier and Type	Class and Description
class	ArgumentMappingTypeStrategy Type strategy that returns the n-th input argument, mapping it with the provided function.
class	ArrayAppendPrependTypeStrategy Type strategy that returns a DataTypes.ARRAY(DataType) with element type equal to the type of the first argument if it's not nullable or element to add is not nullable, otherwise it returns DataTypes.ARRAY(DataType) with type equal to the type of the element to add to array.
class	ArrayElementTypeStrategy Returns the element of an LogicalTypeFamily.COLLECTION type.
class	CollectTypeStrategy Type strategy that returns a DataTypes.MULTISET(DataType) with element type equal to the type of the first argument.
class	CommonTypeStrategy Type strategy that returns a common, least restrictive type of all arguments.
class	ExplicitTypeStrategy Type strategy that returns a fixed DataType.
class	FirstTypeStrategy Type strategy that returns the first type that could be inferred.
class	ForceNullableTypeStrategy Forces a given type strategy to be nullable.
class	HiveAggDecimalPlusTypeStrategy Type strategy that returns the result type of a decimal addition, used internally for implementing native SUM/AVG aggregations on a Decimal type.
class	ItemAtTypeStrategy An output type strategy for BuiltInFunctionDefinitions.AT.
class	MappingTypeStrategy Type strategy that maps an InputTypeStrategy to a TypeStrategy if the input strategy infers compatible types.
class	MatchFamilyTypeStrategy Type strategy that returns the given argument if it is of the same logical type family.
class	MissingTypeStrategy Placeholder for a missing type strategy.
class	NullableIfArgsTypeStrategy A type strategy that can be used to make a result type nullable if any or all of the selected input arguments are nullable.
class	RowtimeTypeStrategy Type strategy for BuiltInFunctionDefinitions.ROWTIME which mirrors the type of the passed rowtime column, but returns LogicalTypeRoot.TIMESTAMP_WITHOUT_TIME_ZONE for a BATCH mode.
class	ToTimestampLtzTypeStrategy Type strategy of TO_TIMESTAMP_LTZ.
class	VaryingStringTypeStrategy A type strategy that ensures that the result type is either LogicalTypeRoot.VARCHAR or LogicalTypeRoot.VARBINARY from their corresponding non-varying roots.

Fields in org.apache.flink.table.types.inference.strategies declared as TypeStrategy

Modifier and Type	Field and Description
static TypeStrategy	SpecificTypeStrategies.AGG_DECIMAL_PLUS See AggDecimalPlusTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ARRAY See ArrayTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ARRAY_APPEND_PREPEND See ArrayAppendPrependTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ARRAY_ELEMENT Type strategy specific for array element.
static TypeStrategy	SpecificTypeStrategies.COLLECT See CollectTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.CURRENT_WATERMARK See CurrentWatermarkTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_DIVIDE See DecimalDivideTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_MOD See DecimalModTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_PLUS See DecimalPlusTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_SCALE_0 See DecimalScale0TypeStrategy.
static TypeStrategy	SpecificTypeStrategies.DECIMAL_TIMES See DecimalTimesTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.GET See GetTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.HIVE_AGG_DECIMAL_PLUS See HiveAggDecimalPlusTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.IF_NULL See IfNullTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.INTERNAL_REPLICATE_ROWS See InternalReplicateRowsTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ITEM_AT
static TypeStrategy	SpecificTypeStrategies.MAP See MapTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.MAP_ENTRIES Type strategy specific for BuiltInFunctionDefinitions.MAP_ENTRIES.
static TypeStrategy	SpecificTypeStrategies.MAP_FROM_ARRAYS Type strategy specific for BuiltInFunctionDefinitions.MAP_FROM_ARRAYS.
static TypeStrategy	SpecificTypeStrategies.MAP_KEYS Type strategy specific for BuiltInFunctionDefinitions.MAP_KEYS.
static TypeStrategy	SpecificTypeStrategies.MAP_VALUES Type strategy specific for BuiltInFunctionDefinitions.MAP_VALUES.
static TypeStrategy	SpecificTypeStrategies.ROUND See RoundTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ROW See RowTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.ROWTIME See RowtimeTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.SOURCE_WATERMARK See SourceWatermarkTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.STRING_CONCAT See StringConcatTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.TO_TIMESTAMP_LTZ See ToTimestampLtzTypeStrategy.
static TypeStrategy	SpecificTypeStrategies.UNUSED See UnusedTypeStrategy.

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

Constructor and Description
ForceNullableTypeStrategy(TypeStrategy initialStrategy)
NullableIfArgsTypeStrategy(ConstantArgumentCount includedArguments, TypeStrategy initialStrategy, boolean nullableIfAllArgsNullable)
VaryingStringTypeStrategy(TypeStrategy initialStrategy)

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

Constructor and Description
FirstTypeStrategy(List<? extends TypeStrategy> typeStrategies)
MappingTypeStrategy(Map<InputTypeStrategy,TypeStrategy> mappings)