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	Callback which provides enough information to create fields.
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
RelCrossType	Type of the cartesian product of two or more sets of records.
RelDataTypeFactory.FieldInfoBuilder	Implementation of RelDataTypeFactory.FieldInfo that provides a fluid API to build a list of fields.
RelDataTypeFactoryImpl	Abstract base for implementations of RelDataTypeFactory.
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.

Package org.apache.calcite.rel.type Description

Defines a type system for relational expressions.