Uses of Package
org.apache.calcite.sql2rel

Packages that use org.apache.calcite.sql2rel

Package	Description
org.apache.calcite.prepare	Preparation of queries (parsing, planning and implementation).
org.apache.calcite.schema.impl	Utilities to help implement Calcite's SPIs.
org.apache.calcite.sql.fun	Defines the set of standard SQL row-level functions and operators.
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.

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

Class and Description
InitializerContext Provides context for InitializerExpressionFactory methods.
SqlRexConvertletTable Collection of SqlRexConvertlets.
SqlToRelConverter Converts a SQL parse tree (consisting of SqlNode objects) into a relational algebra expression (consisting of RelNode objects).
SqlToRelConverter.Config Interface to define the configuration for a SqlToRelConverter.

Classes in org.apache.calcite.sql2rel used by org.apache.calcite.schema.impl

Class and Description
InitializerContext Provides context for InitializerExpressionFactory methods.
InitializerExpressionFactory InitializerExpressionFactory supplies default values for INSERT, UPDATE, and NEW.
NullInitializerExpressionFactory An implementation of InitializerExpressionFactory that always supplies NULL.

Classes in org.apache.calcite.sql2rel used by org.apache.calcite.sql.fun

Class and Description
AuxiliaryConverter Converts an expression for a group window function (e.g.

Classes in org.apache.calcite.sql2rel used by org.apache.calcite.sql.validate

Class and Description
InitializerContext Provides context for InitializerExpressionFactory methods.

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

Class and Description
AuxiliaryConverter Converts an expression for a group window function (e.g.
CorrelationReferenceFinder Shuttle that finds references to a given CorrelationId within a tree of RelNodes.
CorrelationReferenceFinder.MyRexVisitor Replaces alternative names of correlation variable to its canonical name.
DeduplicateCorrelateVariables Rewrites relations to ensure the same correlation is referenced by the same correlation variable.
InitializerContext Provides context for InitializerExpressionFactory methods.
InitializerExpressionFactory InitializerExpressionFactory supplies default values for INSERT, UPDATE, and NEW.
ReflectiveConvertletTable Implementation of SqlRexConvertletTable which uses reflection to call any method of the form public RexNode convertXxx(ConvertletContext, SqlNode) or public RexNode convertXxx(ConvertletContext, SqlOperator, SqlCall).
RelDecorrelator.CorDef A correlation and a field.
RelDecorrelator.CorelMap A map of the locations of LogicalCorrelate in a tree of RelNodes.
RelDecorrelator.CorRef A unique reference to a correlation field.
RelDecorrelator.Frame Frame describing the relational expression after decorrelation and where to find the output fields and correlation variables among its output fields.
RelFieldTrimmer Transformer that walks over a tree of relational expressions, replacing each RelNode with a 'slimmed down' relational expression that projects only the columns required by its consumer.
RelFieldTrimmer.TrimResult Result of an attempt to trim columns from a relational expression.
RelStructuredTypeFlattener RelStructuredTypeFlattener removes all structured types from a tree of relational expressions.
RelStructuredTypeFlattener.RewriteRexShuttle Shuttle that rewrites scalar expressions.
RelStructuredTypeFlattener.SelfFlatteningRel Mix-in interface for relational expressions that know how to flatten themselves.
SqlNodeToRexConverter Converts expressions from SqlNode to RexNode.
SqlRexContext Contains the context necessary for a SqlRexConvertlet to convert a SqlNode expression into a RexNode.
SqlRexConvertlet Thunk which converts a SqlNode expression into a RexNode expression.
SqlRexConvertletTable Collection of SqlRexConvertlets.
SqlToRelConverter Converts a SQL parse tree (consisting of SqlNode objects) into a relational algebra expression (consisting of RelNode objects).
SqlToRelConverter.AggConverter Converts expressions to aggregates.
SqlToRelConverter.Blackboard Workspace for translating an individual SELECT statement (or sub-SELECT).
SqlToRelConverter.Config Interface to define the configuration for a SqlToRelConverter.
SqlToRelConverter.ConfigBuilder Builder for a SqlToRelConverter.Config.
SqlToRelConverter.CorrelationUse Use of a row as a correlating variable by a given relational expression.
SqlToRelConverter.DeferredLookup Deferred lookup.
SqlToRelConverter.LookupContext Context to find a relational expression to a field offset.
SqlToRelConverter.SubQuery A sub-query, whether it needs to be translated using 2- or 3-valued logic.
StandardConvertletTable Standard implementation of SqlRexConvertletTable.
SubQueryConverter SubQueryConverter provides the interface for classes that convert sub-queries into equivalent expressions.

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

Class and Description
SqlRexConvertletTable Collection of SqlRexConvertlets.
SqlToRelConverter.Config Interface to define the configuration for a SqlToRelConverter.