Package org.apache.calcite.rel.type

Defines a type system for relational expressions.

See: Description

Interface Summary

Interface	Description
RelDataType	RelDataType represents the type of a scalar expression or entire row returned from a relational expression.
RelDataTypeFactory	RelDataTypeFactory is a factory for datatype descriptors.
RelDataTypeFactory.FieldInfo	Deprecated
RelDataTypeFamily	RelDataTypeFamily represents a family of related types.
RelDataTypeField	RelDataTypeField represents the definition of a field in a structured RelDataType.
RelDataTypePrecedenceList	RelDataTypePrecedenceList defines a type precedence list for a particular type.
RelDataTypeSystem	Type system.
RelProtoDataType	Can be converted into a RelDataType given a RelDataTypeFactory.

Class Summary

Class	Description
DelegatingTypeSystem	Implementation of RelDataTypeSystem that sends all methods to an underlying object.
DynamicRecordType	Specific type of RelRecordType that corresponds to a dynamic table, where columns are created as they are requested.
DynamicRecordTypeImpl	Implementation of RelDataType for a dynamic table.
RelCrossType	Type of the cartesian product of two or more sets of records.
RelDataTypeFactory.Builder	Fluid API to build a list of fields.
RelDataTypeFactory.FieldInfoBuilder	Deprecated
RelDataTypeFactoryImpl	Abstract base for implementations of RelDataTypeFactory.
RelDataTypeField.ToFieldIndex	Deprecated Use RelDataTypeField::getIndex
RelDataTypeField.ToFieldName	Deprecated Use RelDataTypeField::getName
RelDataTypeFieldImpl	Default implementation of RelDataTypeField.
RelDataTypeImpl	RelDataTypeImpl is an abstract base for implementations of RelDataType.
RelDataTypeSystemImpl	Default implementation of RelDataTypeSystem, providing parameters from the SQL standard.
RelRecordType	RelRecordType represents a structured type having named fields.

Enum Summary

Enum	Description
RelDataTypeComparability	RelDataTypeComparability is an enumeration of the categories of comparison operators which types may support.
StructKind	Describes a policy for resolving fields in record types.

Package org.apache.calcite.rel.type Description

Defines a type system for relational expressions.