Uses of Package
org.apache.drill.exec.expr

Packages that use org.apache.drill.exec.expr

Package	Description
org.apache.drill.exec.compile	Runtime code-generation, compilation and bytecode-manipulation utilities.
org.apache.drill.exec.compile.sig	TODO - write docs for this package
org.apache.drill.exec.expr	Drill expression materialization and evaluation facilities.
org.apache.drill.exec.expr.fn
org.apache.drill.exec.expr.fn.impl
org.apache.drill.exec.expr.fn.impl.conv
org.apache.drill.exec.expr.fn.impl.gaggr
org.apache.drill.exec.expr.fn.impl.gcast
org.apache.drill.exec.expr.fn.impl.hive
org.apache.drill.exec.expr.fn.interpreter
org.apache.drill.exec.ops
org.apache.drill.exec.physical.base
org.apache.drill.exec.physical.impl.aggregate
org.apache.drill.exec.physical.impl.common
org.apache.drill.exec.physical.impl.partitionsender
org.apache.drill.exec.physical.impl.project
org.apache.drill.exec.physical.impl.xsort
org.apache.drill.exec.store.parquet
org.apache.drill.exec.udf.mapr.db
org.apache.drill.exec.udfs
org.apache.drill.exec.udfs.gis
org.apache.drill.exec.vector

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.compile

Class and Description
CodeGenerator A code generator is responsible for generating the Java source code required to complete the implementation of an abstract template.

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.compile.sig

Class and Description
ClassGenerator.BlockType
DirectExpression Encapsulates a Java expression, defined as anything that is valid in the following code: (expr)

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr

Class and Description
BasicTypeHelper
BatchReference Holder class that contains batch naming, batch and record index.
ClassGenerator
ClassGenerator.BlkCreateMode
ClassGenerator.BlockType
ClassGenerator.HoldingContainer Represents a (Nullable)?(Type)Holder instance.
CodeGenerator A code generator is responsible for generating the Java source code required to complete the implementation of an abstract template.
DebugStringBuilder Utility class to build a debug string for an object in a standard format.
DirectExpression Encapsulates a Java expression, defined as anything that is valid in the following code: (expr)
DrillFunc
DrillFuncHolderExpr Represents the call of a function within a query and includes the actual arguments and a reference to the function declaration (as a "function holder.")
DrillSimpleFunc
FilterPredicate
HiveFuncHolderExpr
StatisticsProvider
ValueVectorReadExpression Wraps a value vector field to be read, providing metadata about the field.
ValueVectorWriteExpression

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr.fn

Class and Description
ClassGenerator
ClassGenerator.BlockType
ClassGenerator.HoldingContainer Represents a (Nullable)?(Type)Holder instance.
DrillFunc
DrillSimpleFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr.fn.impl

Class and Description
DrillAggFunc Aggregate function interface.
DrillFunc
DrillSimpleFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr.fn.impl.conv

Class and Description
DrillFunc
DrillSimpleFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr.fn.impl.gaggr

Class and Description
DrillAggFunc Aggregate function interface.
DrillFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr.fn.impl.gcast

Class and Description
DrillFunc
DrillSimpleFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr.fn.impl.hive

Class and Description
ClassGenerator

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.expr.fn.interpreter

Class and Description
DrillSimpleFunc
ValueVectorReadExpression Wraps a value vector field to be read, providing metadata about the field.

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.ops

Class and Description
ClassGenerator
CodeGenerator A code generator is responsible for generating the Java source code required to complete the implementation of an abstract template.

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.physical.base

Class and Description
FilterPredicate

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.physical.impl.aggregate

Class and Description
ClassGenerator

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.physical.impl.common

Class and Description
ClassGenerator

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.physical.impl.partitionsender

Class and Description
ClassGenerator

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.physical.impl.project

Class and Description
AbstractExecExprVisitor
ValueVectorReadExpression Wraps a value vector field to be read, providing metadata about the field.
ValueVectorWriteExpression

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.physical.impl.xsort

Class and Description
ClassGenerator
CodeGenerator A code generator is responsible for generating the Java source code required to complete the implementation of an abstract template.

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.store.parquet

Class and Description
FilterPredicate

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.udf.mapr.db

Class and Description
DrillFunc
DrillSimpleFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.udfs

Class and Description
DrillFunc
DrillSimpleFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.udfs.gis

Class and Description
DrillAggFunc Aggregate function interface.
DrillFunc
DrillSimpleFunc

Classes in org.apache.drill.exec.expr used by org.apache.drill.exec.vector

Class and Description
ClassGenerator