org.apache.hadoop.hive.ql.parse.rewrite

Class SplitMergeRewriter

java.lang.Object

org.apache.hadoop.hive.ql.parse.rewrite.MergeRewriter

org.apache.hadoop.hive.ql.parse.rewrite.SplitMergeRewriter

All Implemented Interfaces:

MergeStatement.DestClausePrefixSetter, Rewriter<MergeStatement>

public class SplitMergeRewriter
extends MergeRewriter

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.parse.rewrite.MergeRewriter

MergeRewriter.MergeWhenClauseSqlGenerator

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.parse.rewrite.MergeRewriter

conf, sqlGeneratorFactory

Constructor Summary

Constructors

Constructor and Description
SplitMergeRewriter(Hive db, HiveConf conf, SqlGeneratorFactory sqlGeneratorFactory)

Method Summary

Modifier and Type	Method and Description
int	addDestNamePrefixOfUpdate(int pos, Context context)
protected MergeRewriter.MergeWhenClauseSqlGenerator	createMergeSqlGenerator(MergeStatement mergeStatement, MultiInsertSqlGenerator sqlGenerator)
void	setOperation(Context context)

Methods inherited from class org.apache.hadoop.hive.ql.parse.rewrite.MergeRewriter

rewrite

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.ql.parse.rewrite.MergeStatement.DestClausePrefixSetter

addDestNamePrefixOfDelete, addDestNamePrefixOfInsert

Constructor Detail

SplitMergeRewriter

public SplitMergeRewriter(Hive db,
                          HiveConf conf,
                          SqlGeneratorFactory sqlGeneratorFactory)

Method Detail

createMergeSqlGenerator

protected MergeRewriter.MergeWhenClauseSqlGenerator createMergeSqlGenerator(MergeStatement mergeStatement,
                                                                            MultiInsertSqlGenerator sqlGenerator)

Overrides:

createMergeSqlGenerator in class MergeRewriter

setOperation

public void setOperation(Context context)

Overrides:

setOperation in class MergeRewriter

addDestNamePrefixOfUpdate

public int addDestNamePrefixOfUpdate(int pos,
                                     Context context)