Uses of Package
org.apache.calcite.util

Packages that use org.apache.calcite.util

Package	Description
org.apache.calcite.adapter.clone	Provides utility classes.
org.apache.calcite.adapter.elasticsearch	Base classes for a query provider based on an Elasticsearch DB.
org.apache.calcite.adapter.enumerable	Query optimizer rules for Java calling convention.
org.apache.calcite.adapter.jdbc	Query provider based on a JDBC data source.
org.apache.calcite.interpreter	Provides an implementation of relational expressions using an interpreter.
org.apache.calcite.jdbc	JDBC driver for Calcite.
org.apache.calcite.materialize	Management of materialized query results.
org.apache.calcite.model	Provides model files, in JSON format, defining schemas and other metadata.
org.apache.calcite.plan	Defines interfaces for constructing rule-based optimizers of relational expressions.
org.apache.calcite.plan.volcano	Optimizes relational expressions.
org.apache.calcite.prepare	Preparation of queries (parsing, planning and implementation).
org.apache.calcite.profile	Utilities to analyze data sets.
org.apache.calcite.rel	Defines relational expressions.
org.apache.calcite.rel.core	Defines core relational expressions.
org.apache.calcite.rel.externalize	Facilities to externalize RelNodes to and from XML and JSON format.
org.apache.calcite.rel.logical	Defines logical relational expressions.
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.
org.apache.calcite.rel.mutable	Defines mutable relational expressions.
org.apache.calcite.rel.rel2sql	Translates a relational expression to SQL parse tree.
org.apache.calcite.rel.rules	Provides a core set of planner rules.
org.apache.calcite.rel.type	Defines a type system for relational expressions.
org.apache.calcite.rex	Provides a language for representing row-expressions.
org.apache.calcite.runtime	Utilities required at runtime.
org.apache.calcite.schema	Schema SPI.
org.apache.calcite.schema.impl	Utilities to help implement Calcite's SPIs.
org.apache.calcite.sql	Provides a SQL parser and object model.
org.apache.calcite.sql.fun	Defines the set of standard SQL row-level functions and operators.
org.apache.calcite.sql.parser	Provides a SQL parser.
org.apache.calcite.sql.type	SQL type system.
org.apache.calcite.sql.util	Utility classes for the SQL object model, parsing, and validation.
org.apache.calcite.sql.validate	SQL validation.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.
org.apache.calcite.tools	Provides utility classes.
org.apache.calcite.util	Provides utility classes.
org.apache.calcite.util.graph	Graph-theoretic algorithms and data structures.
org.apache.calcite.util.mapping	Support for algebraic maps.

Classes in org.apache.calcite.util used by org.apache.calcite.adapter.clone

Class and Description
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.adapter.elasticsearch

Class and Description
JsonBuilder Builder for JSON documents (represented as List, Map, String, Boolean, Long).
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.adapter.enumerable

Class and Description
ControlFlowException Exception intended to be used for control flow, as opposed to the usual use of exceptions which is to signal an error condition.
ImmutableBitSet An immutable list of bits.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.adapter.jdbc

Class and Description
ImmutableBitSet An immutable list of bits.
Pair Pair of objects.
ReflectiveVisitor Object which can be a target for a reflective visitation (see ReflectUtil.invokeVisitor(ReflectiveVisitor, Object, Class, String).

Classes in org.apache.calcite.util used by org.apache.calcite.interpreter

Class and Description
ImmutableBitSet An immutable list of bits.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Pair Pair of objects.
ReflectiveVisitDispatcher Interface for looking up methods relating to reflective visitation.
ReflectiveVisitor Object which can be a target for a reflective visitation (see ReflectUtil.invokeVisitor(ReflectiveVisitor, Object, Class, String).

Classes in org.apache.calcite.util used by org.apache.calcite.jdbc

Class and Description
ImmutableIntList An immutable list of Integer values backed by an array of ints.
NameMap Map whose keys are names and can be accessed with and without case sensitivity.
NameMultimap Multimap whose keys are names and can be accessed with and without case sensitivity.
NameSet Set of names that can be accessed with and without case sensitivity.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.materialize

Class and Description
ImmutableBitSet An immutable list of bits.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.model

Class and Description
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.plan

Class and Description
CancelFlag CancelFlag is used to post and check cancellation requests.
ControlFlowException Exception intended to be used for control flow, as opposed to the usual use of exceptions which is to signal an error condition.
ImmutableBitSet An immutable list of bits.
ImmutableBitSet.Builder Builder.
Litmus Callback to be called when a test for validity succeeds or fails.
Pair Pair of objects.
Permutation Represents a mapping which reorders elements in an array.

Classes in org.apache.calcite.util used by org.apache.calcite.plan.volcano

Class and Description
Litmus Callback to be called when a test for validity succeeds or fails.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.prepare

Class and Description
ImmutableBitSet An immutable list of bits.
Pair Pair of objects.
TryThreadLocal Thread-local variable that returns a handle that can be closed.

Classes in org.apache.calcite.util used by org.apache.calcite.profile

Class and Description
ImmutableBitSet An immutable list of bits.
JsonBuilder Builder for JSON documents (represented as List, Map, String, Boolean, Long).
Pair Pair of objects.
PartiallyOrderedSet Partially-ordered set.
PartiallyOrderedSet.Ordering Ordering relation.

Classes in org.apache.calcite.util used by org.apache.calcite.rel

Class and Description
ImmutableBitSet An immutable list of bits.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Litmus Callback to be called when a test for validity succeeds or fails.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.rel.core

Class and Description
ImmutableBitSet An immutable list of bits.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Litmus Callback to be called when a test for validity succeeds or fails.
Pair Pair of objects.
Permutation Represents a mapping which reorders elements in an array.

Classes in org.apache.calcite.util used by org.apache.calcite.rel.externalize

Class and Description
JsonBuilder Builder for JSON documents (represented as List, Map, String, Boolean, Long).
Pair Pair of objects.
XmlOutput Streaming XML output.

Classes in org.apache.calcite.util used by org.apache.calcite.rel.logical

Class and Description
ImmutableBitSet An immutable list of bits.

Classes in org.apache.calcite.util used by org.apache.calcite.rel.metadata

Class and Description
ControlFlowException Exception intended to be used for control flow, as opposed to the usual use of exceptions which is to signal an error condition.
ImmutableBitSet An immutable list of bits.
ImmutableBitSet.Builder Builder.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Pair Pair of objects.
ReflectiveVisitor Object which can be a target for a reflective visitation (see ReflectUtil.invokeVisitor(ReflectiveVisitor, Object, Class, String).

Classes in org.apache.calcite.util used by org.apache.calcite.rel.mutable

Class and Description
ImmutableBitSet An immutable list of bits.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.rel.rel2sql

Class and Description
ReflectiveVisitor Object which can be a target for a reflective visitation (see ReflectUtil.invokeVisitor(ReflectiveVisitor, Object, Class, String).
ReflectUtil.MethodDispatcher Can invoke a method on an object of type E with return type T.

Classes in org.apache.calcite.util used by org.apache.calcite.rel.rules

Class and Description
ImmutableBitSet An immutable list of bits.
ImmutableBitSet.Builder Builder.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.rel.type

Class and Description
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.rex

Class and Description
ControlFlowException Exception intended to be used for control flow, as opposed to the usual use of exceptions which is to signal an error condition.
DateString Date literal.
Litmus Callback to be called when a test for validity succeeds or fails.
NlsString A string, optionally with character set and SqlCollation.
Pair Pair of objects.
Permutation Represents a mapping which reorders elements in an array.
TimestampString Timestamp literal.
TimeString Time literal.

Classes in org.apache.calcite.util used by org.apache.calcite.runtime

Class and Description
Holder A mutable slot that can contain one object.

Classes in org.apache.calcite.util used by org.apache.calcite.schema

Class and Description
ImmutableBitSet An immutable list of bits.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.schema.impl

Class and Description
ImmutableIntList An immutable list of Integer values backed by an array of ints.

Classes in org.apache.calcite.util used by org.apache.calcite.sql

Class and Description
BarfingInvocationHandler A class derived from BarfingInvocationHandler handles a method call by looking for a method in itself with identical parameters.
BitString String of bits.
DateString Date literal.
Litmus Callback to be called when a test for validity succeeds or fails.
NlsString A string, optionally with character set and SqlCollation.
PrecedenceClimbingParser Parser that takes a collection of tokens (atoms and operators) and groups them together according to the operators' precedence and associativity.
PrecedenceClimbingParser.Token A token: either an atom, a call to an operator with arguments, or an unmatched operator.
SerializableCharset Serializable wrapper around a Charset.
TimestampString Timestamp literal.
TimeString Time literal.

Classes in org.apache.calcite.util used by org.apache.calcite.sql.fun

Class and Description
Litmus Callback to be called when a test for validity succeeds or fails.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.sql.parser

Class and Description
CalciteParserException Tagging interface to allow a SqlParseException to be identified without adding a dependency on it from client-side code.
PrecedenceClimbingParser Parser that takes a collection of tokens (atoms and operators) and groups them together according to the operators' precedence and associativity.
PrecedenceClimbingParser.Token A token: either an atom, a call to an operator with arguments, or an unmatched operator.

Classes in org.apache.calcite.util used by org.apache.calcite.sql.type

Class and Description
SerializableCharset Serializable wrapper around a Charset.

Classes in org.apache.calcite.util used by org.apache.calcite.sql.util

Class and Description
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.sql.validate

Class and Description
CalciteValidatorException Tagging interface to allow a SqlValidatorException to be identified without adding a dependency on it from client-side code.
ImmutableBitSet An immutable list of bits.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.sql2rel

Class and Description
Holder A mutable slot that can contain one object.
ImmutableBitSet An immutable list of bits.
Litmus Callback to be called when a test for validity succeeds or fails.
Pair Pair of objects.
ReflectiveVisitDispatcher Interface for looking up methods relating to reflective visitation.
ReflectiveVisitor Object which can be a target for a reflective visitation (see ReflectUtil.invokeVisitor(ReflectiveVisitor, Object, Class, String).
ReflectUtil.MethodDispatcher Can invoke a method on an object of type E with return type T.
Util.FoundOne Exception used to interrupt a tree walk of any kind.

Classes in org.apache.calcite.util used by org.apache.calcite.tools

Class and Description
Holder A mutable slot that can contain one object.
ImmutableBitSet An immutable list of bits.
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.util

Class and Description
Benchmark.Statistician Collects statistics for a test that is run multiple times.
BitString String of bits.
BuiltInMethod Built-in methods.
ChunkList.ChunkListIterator Iterator over a ChunkList.
ClosableAllocation ClosableAllocation represents an object which requires a call in order to release resources early rather than waiting for finalization.
ClosableAllocationOwner ClosableAllocationOwner represents an object which can take ownership of ClosableAllocations and guarantee that they will be cleaned up correctly when its own closeAllocation() is called.
Compatible Compatibility layer.
CompatibleGuava11.ImprovedAbstractMap ImprovedAbstractMap.
CompatibleGuava11.ImprovedAbstractSet AbstractSet substitute without the potentially-quadratic removeAll implementation.
CompositeList Read-only list that is the concatenation of sub-lists.
CompositeMap Unmodifiable view onto multiple backing maps.
ControlFlowException Exception intended to be used for control flow, as opposed to the usual use of exceptions which is to signal an error condition.
DateString Date literal.
Glossary A collection of terms.
Holder A mutable slot that can contain one object.
ImmutableBitSet An immutable list of bits.
ImmutableBitSet.Builder Builder.
ImmutableIntList An immutable list of Integer values backed by an array of ints.
ImmutableNullableList.Builder A builder for creating immutable nullable list instances.
IntegerIntervalSet.Handler A callback.
JsonBuilder Builder for JSON documents (represented as List, Map, String, Boolean, Long).
Litmus Callback to be called when a test for validity succeeds or fails.
NameMap Map whose keys are names and can be accessed with and without case sensitivity.
NameSet Set of names that can be accessed with and without case sensitivity.
NlsString A string, optionally with character set and SqlCollation.
Pair Pair of objects.
PartiallyOrderedSet.Node Holds a value, its parent nodes, and child nodes.
PartiallyOrderedSet.Ordering Ordering relation.
Permutation Represents a mapping which reorders elements in an array.
PrecedenceClimbingParser Parser that takes a collection of tokens (atoms and operators) and groups them together according to the operators' precedence and associativity.
PrecedenceClimbingParser.Builder Fluent helper to build a parser containing a list of tokens.
PrecedenceClimbingParser.Call A token that is a call to an operator with arguments.
PrecedenceClimbingParser.Op An operator token.
PrecedenceClimbingParser.Result Result of a call to PrecedenceClimbingParser.Special.apply(org.apache.calcite.util.PrecedenceClimbingParser, org.apache.calcite.util.PrecedenceClimbingParser.SpecialOp).
PrecedenceClimbingParser.Special Callback defining the behavior of a special function.
PrecedenceClimbingParser.SpecialOp An token corresponding to a special operator.
PrecedenceClimbingParser.Token A token: either an atom, a call to an operator with arguments, or an unmatched operator.
PrecedenceClimbingParser.Type Token type.
ReflectiveVisitDispatcher Interface for looking up methods relating to reflective visitation.
ReflectiveVisitor Object which can be a target for a reflective visitation (see ReflectUtil.invokeVisitor(ReflectiveVisitor, Object, Class, String).
ReflectUtil.MethodDispatcher Can invoke a method on an object of type E with return type T.
SaffronProperties Provides an environment for debugging information, et cetera, used by saffron.
SerializableCharset Serializable wrapper around a Charset.
Source Source of data.
Template String template.
TimestampString Timestamp literal.
TimestampWithTimeZoneString Timestamp with time-zone literal.
TimeString Time literal.
TimeWithTimeZoneString Time with time-zone literal.
TryThreadLocal Thread-local variable that returns a handle that can be closed.
TryThreadLocal.Memo Remembers to set the value back.
UnmodifiableArrayList A view onto an array that cannot be modified by the client.
Util.FoundOne Exception used to interrupt a tree walk of any kind.
Util.OverFinder Visitor which looks for an OVER clause inside a tree of SqlNode objects.
XmlOutput.StringEscaper Utility for replacing special characters with escape sequences in strings.
XmlOutput.XMLAttrVector List of attribute names and values.

Classes in org.apache.calcite.util used by org.apache.calcite.util.graph

Class and Description
Pair Pair of objects.

Classes in org.apache.calcite.util used by org.apache.calcite.util.mapping

Class and Description
ImmutableBitSet An immutable list of bits.