org.apache.hadoop.hive.ql.parse
Class PTFTranslator

java.lang.Object
  org.apache.hadoop.hive.ql.parse.PTFTranslator

public class PTFTranslator
extends Object

Nested Class Summary

static class

PTFTranslator.ValidateNoLeadLag

Constructor Summary

PTFTranslator()

Method Summary

PTFExpressionDef	buildExpressionDef(ShapeDetails inpShape, ASTNode arg)
static ArrayList<PTFInvocationSpec>	componentize(PTFInvocationSpec ptfInvocation)
static ASTNode	getASTNode(ColumnInfo cInfo, RowResolver rr)
static StructObjectInspector	getStandardStructOI(RowResolver rr) For each column on the input RR, construct a StructField for it OI is constructed using the list of input column names and their corresponding OIs.
PTFDesc	translate(PTFInvocationSpec qSpec, SemanticAnalyzer semAly, HiveConf hCfg, RowResolver inputRR, org.apache.hadoop.hive.ql.parse.UnparseTranslator unparseT)
PTFDesc	translate(WindowingSpec wdwSpec, SemanticAnalyzer semAly, HiveConf hCfg, RowResolver inputRR, org.apache.hadoop.hive.ql.parse.UnparseTranslator unparseT)
static void	validateNoLeadLagInValueBoundarySpec(ASTNode node)
static void	visit(Object t, org.antlr.runtime.tree.TreeWizard.ContextVisitor visitor)

Methods inherited from class java.lang.Object

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

Constructor Detail

PTFTranslator

public PTFTranslator()

Method Detail

translate

public PTFDesc translate(PTFInvocationSpec qSpec,
                         SemanticAnalyzer semAly,
                         HiveConf hCfg,
                         RowResolver inputRR,
                         org.apache.hadoop.hive.ql.parse.UnparseTranslator unparseT)
                  throws SemanticException

Throws:

SemanticException

translate

public PTFDesc translate(WindowingSpec wdwSpec,
                         SemanticAnalyzer semAly,
                         HiveConf hCfg,
                         RowResolver inputRR,
                         org.apache.hadoop.hive.ql.parse.UnparseTranslator unparseT)
                  throws SemanticException

Throws:

SemanticException

buildExpressionDef

public PTFExpressionDef buildExpressionDef(ShapeDetails inpShape,
                                           ASTNode arg)
                                    throws HiveException

Throws:

HiveException

getStandardStructOI

public static StructObjectInspector getStandardStructOI(RowResolver rr)

For each column on the input RR, construct a StructField for it OI is constructed using the list of input column names and their corresponding OIs.

Parameters:

rr -

Returns:

getASTNode

public static ASTNode getASTNode(ColumnInfo cInfo,
                                 RowResolver rr)
                          throws SemanticException

Throws:

SemanticException

visit

public static void visit(Object t,
                         org.antlr.runtime.tree.TreeWizard.ContextVisitor visitor)

componentize

public static ArrayList<PTFInvocationSpec> componentize(PTFInvocationSpec ptfInvocation)
                                                 throws SemanticException

Throws:

SemanticException

validateNoLeadLagInValueBoundarySpec

public static void validateNoLeadLagInValueBoundarySpec(ASTNode node)
                                                 throws SemanticException

Throws:

SemanticException