Safe Haskell	Safe-Inferred

Language.Pig.Parser.AST

Documentation

data PigFile Source

Constructors

PigFile String Root

data Root Source

Constructors

Seq [Statement]

Instances

Eq Root
Data Root
Ord Root
Show Root
Typeable Root

data Statement Source

Constructors

Assignment Alias OpClause
Describe Alias
DefineUDF Alias Aliasable [DefineSpec]
Store Alias Path Function
Register Library

Instances

Eq Statement
Data Statement
Ord Statement
Show Statement
Typeable Statement

data OpClause Source

Constructors

LoadClause Path Function TupleDef
ForeachClause Alias GenBlock
GroupClause Alias GroupBy
InnerJoinClause [Join]
StreamClause Alias Alias TupleDef

Instances

Eq OpClause
Data OpClause
Ord OpClause
Show OpClause
Typeable OpClause

data GenBlock Source

Constructors

GenBlock [Transform]

Instances

Eq GenBlock
Data GenBlock
Ord GenBlock
Show GenBlock
Typeable GenBlock

data GroupBy Source

Constructors

SingleColumn Alias
MultipleColumn Tuple

Instances

Eq GroupBy
Data GroupBy
Ord GroupBy
Show GroupBy
Typeable GroupBy

data Join Source

Constructors

Join String String

Instances

Eq Join
Data Join
Ord Join
Show Join
Typeable Join

data DefineSpec Source

Constructors

Ship Path

Instances

Eq DefineSpec
Data DefineSpec
Ord DefineSpec
Show DefineSpec
Typeable DefineSpec

data Alias Source

Constructors

Identifier String

Instances

Eq Alias
Data Alias
Ord Alias
Show Alias
Typeable Alias

data Path Source

Constructors

Filename String
Directory String

Instances

Eq Path
Data Path
Ord Path
Show Path
Typeable Path

data Library Source

Constructors

Library String

Instances

Eq Library
Data Library
Ord Library
Show Library
Typeable Library

data Aliasable Source

Constructors

AliasCommand Command
AliasFunction Function

Instances

Eq Aliasable
Data Aliasable
Ord Aliasable
Show Aliasable
Typeable Aliasable

data Command Source

Constructors

Exec String

Instances

Eq Command
Data Command
Ord Command
Show Command
Typeable Command

data Function Source

Constructors

Function String [Expression]

Instances

Eq Function
Data Function
Ord Function
Show Function
Typeable Function

data TupleDef Source

Constructors

TupleDef [Field]

Instances

Eq TupleDef
Data TupleDef
Ord TupleDef
Show TupleDef
Typeable TupleDef

data Tuple Source

Constructors

Tuple [Alias]

Instances

Eq Tuple
Data Tuple
Ord Tuple
Show Tuple
Typeable Tuple

data Field Source

Constructors

Field Alias SimpleType

Instances

Eq Field
Data Field
Ord Field
Show Field
Typeable Field

data Scalar Source

Constructors

Number (Either Integer Double)
String String

Instances

Eq Scalar
Data Scalar
Ord Scalar
Show Scalar
Typeable Scalar

data SimpleType Source

Constructors

Int
Long
Float
Double
CharArray
ByteArray

Instances

Eq SimpleType
Data SimpleType
Ord SimpleType
Show SimpleType
Typeable SimpleType

data BooleanOperator Source

Constructors

And
Or
Not

Instances

Eq BooleanOperator
Data BooleanOperator
Ord BooleanOperator
Show BooleanOperator
Typeable BooleanOperator

data Operator Source

Constructors

Neg
Add
Subtract
Multiply
Divide
Modulo

Instances

Eq Operator
Data Operator
Ord Operator
Show Operator
Typeable Operator

data ComparisonOperator Source

Constructors

Equal
NotEqual
Greater
Less
GreaterEqual
LessEqual

Instances

Eq ComparisonOperator
Data ComparisonOperator
Ord ComparisonOperator
Show ComparisonOperator
Typeable ComparisonOperator

Flatten String Tuple
TupleFieldGlob
AliasTransform Alias Alias
ExpressionTransform Expression Alias
FunctionTransform Function Alias
EnvTransform Scalar Alias
IdentityTransform Alias

Eq Transform
Data Transform
Ord Transform
Show Transform
Typeable Transform

Unary Operator Expression
Binary Operator Expression Expression
BinCond BooleanExpression Expression Expression
ScalarTerm Scalar
AliasTerm Alias
FunctionTerm Function

Eq Expression
Data Expression
Ord Expression
Show Expression
Typeable Expression

Eq BooleanExpression
Data BooleanExpression
Ord BooleanExpression
Show BooleanExpression
Typeable BooleanExpression

BooleanExpression ComparisonOperator Expression Expression
BooleanUnary BooleanOperator BooleanExpression
BooleanBinary BooleanOperator BooleanExpression BooleanExpression