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

Class CopyOnWriteMergeRewriter

java.lang.Object

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

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

All Implemented Interfaces:

MergeStatement.DestClausePrefixSetter, Rewriter<MergeStatement>

public class CopyOnWriteMergeRewriter
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
CopyOnWriteMergeRewriter(Hive db, HiveConf conf, SqlGeneratorFactory sqlGeneratorFactory)

Method Summary

Modifier and Type	Method and Description
protected org.apache.hadoop.hive.ql.parse.rewrite.CopyOnWriteMergeRewriter.CopyOnWriteMergeWhenClauseSqlGenerator	createMergeSqlGenerator(MergeStatement mergeStatement, MultiInsertSqlGenerator sqlGenerator)
ParseUtils.ReparseResult	rewrite(Context ctx, MergeStatement mergeStatement)

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

setOperation

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, addDestNamePrefixOfUpdate

Constructor Detail

CopyOnWriteMergeRewriter

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

Method Detail

rewrite

public ParseUtils.ReparseResult rewrite(Context ctx,
                                        MergeStatement mergeStatement)
                                 throws SemanticException

Specified by:

rewrite in interface Rewriter<MergeStatement>

Overrides:

rewrite in class MergeRewriter

Throws:

SemanticException

createMergeSqlGenerator

protected org.apache.hadoop.hive.ql.parse.rewrite.CopyOnWriteMergeRewriter.CopyOnWriteMergeWhenClauseSqlGenerator createMergeSqlGenerator(MergeStatement mergeStatement,
                                                                                                                                          MultiInsertSqlGenerator sqlGenerator)

Overrides:

createMergeSqlGenerator in class MergeRewriter