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

Nested Classes

Modifier and Type	Class and Description
static class	PTFTranslator.ValidateNoLeadLag

Constructor Summary

Constructors

Constructor and Description
PTFTranslator()

Method Summary

Methods

Modifier and Type	Method and Description
protected static ArrayList<PTFInvocationSpec.OrderExpression>	addPartitionExpressionsToOrderList(ArrayList<PTFInvocationSpec.PartitionExpression> partCols, ArrayList<PTFInvocationSpec.OrderExpression> orderCols)
PTFExpressionDef	buildExpressionDef(ShapeDetails inpShape, ASTNode arg)
protected static RowResolver	buildRowResolverForNoop(String tabAlias, StructObjectInspector rowObjectInspector, RowResolver inputRowResolver)
protected static RowResolver	buildRowResolverForPTF(String tbFnName, String tabAlias, StructObjectInspector rowObjectInspector, List<String> outputColNames, RowResolver inputRR)
protected RowResolver	buildRowResolverForWindowing(WindowTableFunctionDef def)
static ArrayList<PTFInvocationSpec>	componentize(PTFInvocationSpec ptfInvocation)
protected static SerDe	createLazyBinarySerDe(org.apache.hadoop.conf.Configuration cfg, StructObjectInspector oi, Map<String,String> serdePropsMap)
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, UnparseTranslator unparseT)
PTFDesc	translate(WindowingSpec wdwSpec, SemanticAnalyzer semAly, HiveConf hCfg, RowResolver inputRR, UnparseTranslator unparseT)
protected static void	validateComparable(ObjectInspector OI, String errMsg)
static void	validateNoLeadLagInValueBoundarySpec(ASTNode node)
static void	visit(Object t, org.antlr.runtime.tree.TreeWizard.ContextVisitor visitor)

Methods inherited from class java.lang.Object

clone, equals, finalize, 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,
                UnparseTranslator unparseT)
                  throws SemanticException

Throws:

SemanticException

translate

public PTFDesc translate(WindowingSpec wdwSpec,
                SemanticAnalyzer semAly,
                HiveConf hCfg,
                RowResolver inputRR,
                UnparseTranslator unparseT)
                  throws SemanticException

Throws:

SemanticException

addPartitionExpressionsToOrderList

protected static ArrayList<PTFInvocationSpec.OrderExpression> addPartitionExpressionsToOrderList(ArrayList<PTFInvocationSpec.PartitionExpression> partCols,
                                                                              ArrayList<PTFInvocationSpec.OrderExpression> orderCols)
                                                                                          throws SemanticException

Throws:

SemanticException

buildExpressionDef

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

Throws:

HiveException

createLazyBinarySerDe

protected static SerDe createLazyBinarySerDe(org.apache.hadoop.conf.Configuration cfg,
                          StructObjectInspector oi,
                          Map<String,String> serdePropsMap)
                                      throws SerDeException

Throws:

SerDeException

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:

validateComparable

protected static void validateComparable(ObjectInspector OI,
                      String errMsg)
                                  throws SemanticException

Throws:

SemanticException

buildRowResolverForPTF

protected static RowResolver buildRowResolverForPTF(String tbFnName,
                                 String tabAlias,
                                 StructObjectInspector rowObjectInspector,
                                 List<String> outputColNames,
                                 RowResolver inputRR)
                                             throws SemanticException

Throws:

SemanticException

buildRowResolverForWindowing

protected RowResolver buildRowResolverForWindowing(WindowTableFunctionDef def)
                                            throws SemanticException

Throws:

SemanticException

buildRowResolverForNoop

protected static RowResolver buildRowResolverForNoop(String tabAlias,
                                  StructObjectInspector rowObjectInspector,
                                  RowResolver inputRowResolver)
                                              throws SemanticException

Throws:

SemanticException

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