Uses of Package
org.apache.calcite.rex

Packages that use org.apache.calcite.rex

Package	Description
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.plan	Defines interfaces for constructing rule-based optimizers of relational expressions.
org.apache.calcite.prepare	Preparation of queries (parsing, planning and implementation).
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.rex	Provides a language for representing row-expressions.
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.sql2rel	Translates a SQL parse tree to relational expression.
org.apache.calcite.tools	Provides utility classes.

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

Class and Description
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexInputRef Variable which references a field of an input relational expression.
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexVisitor Visitor pattern for traversing a tree of RexNode objects.
RexVisitorImpl Default implementation of RexVisitor, which visits each node but does nothing while it's there.

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

Class and Description
RexBuilder Factory for row expressions.
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexDynamicParam Dynamic parameter reference in a row-expression.
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.

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

Class and Description
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.

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

Class and Description
RexBuilder Factory for row expressions.
RexLiteral Constant value in a row-expression.
RexNode Row expression.

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

Class and Description
RexNode Row expression.

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

Class and Description
RexNode Row expression.

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

Class and Description
RexBuilder Factory for row expressions.
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexCorrelVariable Reference to the current row of a correlating relational expression.
RexExecutor Can reduce expressions, writing a literal for each into a list.
RexExecutorImpl Evaluates a RexNode expression.
RexFieldAccess Access to a field of a row-expression.
RexInputRef Variable which references a field of an input relational expression.
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.
RexSimplify Context required to simplify a row-expression.
RexSubQuery Scalar expression that represents an IN, EXISTS or scalar sub-query.
RexVisitor Visitor pattern for traversing a tree of RexNode objects.
RexVisitorImpl Default implementation of RexVisitor, which visits each node but does nothing while it's there.

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

Class and Description
RexBuilder Factory for row expressions.
RexExecutor Can reduce expressions, writing a literal for each into a list.
RexNode Row expression.

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

Class and Description
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.

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

Class and Description
RexBuilder Factory for row expressions.
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexFieldCollation Expression combined with sort flags (DESCENDING, NULLS LAST).
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexPatternFieldRef Variable which references a field of an input relational expression
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.
RexVisitor Visitor pattern for traversing a tree of RexNode objects.
RexVisitorImpl Default implementation of RexVisitor, which visits each node but does nothing while it's there.
RexWindowBound Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed aggregates.

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

Class and Description
RexNode Row expression.

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

Class and Description
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexOver Call to an aggregate function over a window.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.
RexWindowBound Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed aggregates.

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

Class and Description
RexBuilder Factory for row expressions.
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexInputRef Variable which references a field of an input relational expression.
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.
RexTableInputRef.RelTableRef Identifies uniquely a table by its qualified name and its entity number (occurrence)
RexVisitor Visitor pattern for traversing a tree of RexNode objects.
RexVisitorImpl Default implementation of RexVisitor, which visits each node but does nothing while it's there.

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

Class and Description
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.

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

Class and Description
RexFieldCollation Expression combined with sort flags (DESCENDING, NULLS LAST).
RexNode Row expression.
RexOver Call to an aggregate function over a window.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.
RexWindowBound Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed aggregates.

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

Class and Description
RexBuilder Factory for row expressions.
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexCorrelVariable Reference to the current row of a correlating relational expression.
RexDynamicParam Dynamic parameter reference in a row-expression.
RexFieldAccess Access to a field of a row-expression.
RexInputRef Variable which references a field of an input relational expression.
RexLiteral Constant value in a row-expression.
RexLocalRef Local variable.
RexNode Row expression.
RexOver Call to an aggregate function over a window.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.
RexRangeRef Reference to a range of columns.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.
RexSimplify Context required to simplify a row-expression.
RexSubQuery Scalar expression that represents an IN, EXISTS or scalar sub-query.
RexTableInputRef Variable which references a column of a table occurrence in a relational plan.
RexTableInputRef.RelTableRef Identifies uniquely a table by its qualified name and its entity number (occurrence)
RexVisitor Visitor pattern for traversing a tree of RexNode objects.
RexVisitorImpl Default implementation of RexVisitor, which visits each node but does nothing while it's there.

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

Class and Description
RexAction A RexAction is called when a RexPattern finds a match.
RexBiVisitor Visitor pattern for traversing a tree of RexNode objects and passing a payload to each.
RexBuilder Factory for row expressions.
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexCallBinding RexCallBinding implements SqlOperatorBinding by referring to an underlying collection of RexNode operands.
RexChecker Visitor which checks the validity of a RexNode expression.
RexCorrelVariable Reference to the current row of a correlating relational expression.
RexDynamicParam Dynamic parameter reference in a row-expression.
RexExecutable Result of compiling code generated from a RexNode expression.
RexExecutor Can reduce expressions, writing a literal for each into a list.
RexFieldAccess Access to a field of a row-expression.
RexFieldCollation Expression combined with sort flags (DESCENDING, NULLS LAST).
RexInputRef Variable which references a field of an input relational expression.
RexLiteral Constant value in a row-expression.
RexLocalRef Local variable.
RexNode Row expression.
RexOver Call to an aggregate function over a window.
RexOver.Finder Visitor which detects a RexOver inside a RexNode expression.
RexOver.OverFound Exception thrown when an OVER is found.
RexPatternFieldRef Variable which references a field of an input relational expression
RexPermuteInputsShuttle Shuttle which applies a permutation to its input fields.
RexProgram A collection of expressions which read inputs, compute output expressions, and optionally use a condition to filter rows.
RexProgramBuilder Workspace for constructing a RexProgram.
RexProgramBuilder.RegisterInputShuttle Shuttle which walks over an expression, registering each sub-expression.
RexProgramBuilder.RegisterShuttle Shuttle that visits a tree of RexNode and registers them in a program.
RexRangeRef Reference to a range of columns.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.
RexSimplify Context required to simplify a row-expression.
RexSimplify.Comparison Comparison between a RexInputRef or RexFieldAccess and a literal.
RexSlot Abstract base class for RexInputRef and RexLocalRef.
RexSqlConvertlet Converts a RexNode expression into a SqlNode expression.
RexSqlConvertletTable Collection of RexSqlConvertlets.
RexSqlReflectiveConvertletTable Implementation of RexSqlConvertletTable.
RexSubQuery Scalar expression that represents an IN, EXISTS or scalar sub-query.
RexTableInputRef Variable which references a column of a table occurrence in a relational plan.
RexTableInputRef.RelTableRef Identifies uniquely a table by its qualified name and its entity number (occurrence)
RexToSqlNodeConverter Converts expressions from RexNode to SqlNode.
RexUtil.CnfHelper.OverflowError Exception to catch when we pass the limit.
RexUtil.ConstantFinder Walks over an expression and determines whether it is constant.
RexUtil.CorrelationFinder Visitor that throws Util.FoundOne if applied to an expression that contains a RexCorrelVariable.
RexUtil.SubQueryFinder Visitor that throws Util.FoundOne if applied to an expression that contains a RexSubQuery.
RexVariable A row-expression which references a field.
RexVisitor Visitor pattern for traversing a tree of RexNode objects.
RexVisitorImpl Default implementation of RexVisitor, which visits each node but does nothing while it's there.
RexWindow Specification of the window of rows over which a RexOver windowed aggregate is evaluated.
RexWindowBound Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed aggregates.

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

Class and Description
RexBuilder Factory for row expressions.
RexNode Row expression.

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

Class and Description
RexBuilder Factory for row expressions.
RexNode Row expression.

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

Class and Description
RexBuilder Factory for row expressions.
RexNode Row expression.

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

Class and Description
RexBuilder Factory for row expressions.
RexCall An expression formed by a call to an operator with zero or more expressions as operands.
RexCorrelVariable Reference to the current row of a correlating relational expression.
RexDynamicParam Dynamic parameter reference in a row-expression.
RexFieldAccess Access to a field of a row-expression.
RexFieldCollation Expression combined with sort flags (DESCENDING, NULLS LAST).
RexInputRef Variable which references a field of an input relational expression.
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexRangeRef Reference to a range of columns.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.
RexSubQuery Scalar expression that represents an IN, EXISTS or scalar sub-query.
RexVisitor Visitor pattern for traversing a tree of RexNode objects.
RexVisitorImpl Default implementation of RexVisitor, which visits each node but does nothing while it's there.
RexWindowBound Abstracts "XX PRECEDING/FOLLOWING" and "CURRENT ROW" bounds for windowed aggregates.

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

Class and Description
RexBuilder Factory for row expressions.
RexCorrelVariable Reference to the current row of a correlating relational expression.
RexExecutor Can reduce expressions, writing a literal for each into a list.
RexInputRef Variable which references a field of an input relational expression.
RexLiteral Constant value in a row-expression.
RexNode Row expression.
RexShuttle Passes over a row-expression, calling a handler method for each node, appropriate to the type of the node.
RexSimplify Context required to simplify a row-expression.
RexVisitor Visitor pattern for traversing a tree of RexNode objects.