water.rapids.ast.prims.reducers

Class AstNaRollupOp

java.lang.Object

water.Iced<AstRoot>

water.rapids.ast.AstRoot

water.rapids.ast.AstPrimitive

water.rapids.ast.prims.reducers.AstReducerOp

water.rapids.ast.prims.reducers.AstRollupOp

water.rapids.ast.prims.reducers.AstNaRollupOp

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Freezable<AstRoot>

Direct Known Subclasses:

AstMaxNa, AstMinNa, AstSumNa

public abstract class AstNaRollupOp
extends AstRollupOp

Optimization for the RollupStats: use them directly

See Also:

Serialized Form

Field Summary

Fields inherited from class water.rapids.ast.AstRoot

CONSTS, PRIMS

Constructor Summary

Constructors

Constructor and Description
AstNaRollupOp()

Method Summary

Methods

Modifier and Type	Method and Description
ValNum	apply(Env env, Env.StackHelp stk, AstRoot[] asts)

Methods inherited from class water.rapids.ast.prims.reducers.AstRollupOp

args, rup

Methods inherited from class water.rapids.ast.prims.reducers.AstReducerOp

nargs, op

Methods inherited from class water.rapids.ast.AstPrimitive

description, example, exec

Methods inherited from class water.rapids.ast.AstRoot

columns, newAstFrame, newAstStr, str, toString

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AstNaRollupOp

public AstNaRollupOp()

Method Detail

apply

public ValNum apply(Env env,
           Env.StackHelp stk,
           AstRoot[] asts)

Overrides:

apply in class AstRollupOp