org.apache.hadoop.hive.ql.parse
Class TypeCheckProcFactory.DefaultExprProcessor

java.lang.Object
  org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory.DefaultExprProcessor

All Implemented Interfaces:

NodeProcessor

Enclosing class:

TypeCheckProcFactory

public static class TypeCheckProcFactory.DefaultExprProcessor
extends Object
implements NodeProcessor

The default processor for typechecking.

Constructor Summary

TypeCheckProcFactory.DefaultExprProcessor()

Method Summary

static ExprNodeDesc	getFuncExprNodeDesc(String udfName, ExprNodeDesc... children)
static String	getFunctionText(ASTNode expr, boolean isFunction)
Object	process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs) Generic process for all ops that don't have specific implementations.

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeCheckProcFactory.DefaultExprProcessor

public TypeCheckProcFactory.DefaultExprProcessor()

Method Detail

getFunctionText

public static String getFunctionText(ASTNode expr,
                                     boolean isFunction)

getFuncExprNodeDesc

public static ExprNodeDesc getFuncExprNodeDesc(String udfName,
                                               ExprNodeDesc... children)
                                        throws UDFArgumentException

Throws:

UDFArgumentException

process

public Object process(Node nd,
                      Stack<Node> stack,
                      NodeProcessorCtx procCtx,
                      Object... nodeOutputs)
               throws SemanticException

Description copied from interface: NodeProcessor

Generic process for all ops that don't have specific implementations.

Specified by:

process in interface NodeProcessor

Parameters:

nd - operator to process

procCtx - operator processor context

nodeOutputs - A variable argument list of outputs from other nodes in the walk

Returns:

Object to be returned by the process call

Throws:

SemanticException