org.apache.calcite.interpreter

Class JaninoRexCompiler

java.lang.Object

org.apache.calcite.interpreter.JaninoRexCompiler

public class JaninoRexCompiler
extends Object

Compiles a scalar expression (RexNode) to an expression that can be evaluated (Scalar) by generating a Java AST and compiling it to a class using Janino.

Constructor Summary

Constructors

Constructor and Description
JaninoRexCompiler(RexBuilder rexBuilder)

Method Summary

Methods

Modifier and Type	Method and Description
Scalar	compile(List<RexNode> nodes, RelDataType inputRowType)

Methods inherited from class java.lang.Object

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

Constructor Detail

JaninoRexCompiler

public JaninoRexCompiler(RexBuilder rexBuilder)

Method Detail

compile

public Scalar compile(List<RexNode> nodes,
             RelDataType inputRowType)