| /********************************************************************** |
| // @@@ START COPYRIGHT @@@ |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| // @@@ END COPYRIGHT @@@ |
| **********************************************************************/ |
| #ifndef ELEMDDLPARTITIONBYOPTIONS_H |
| #define ELEMDDLPARTITIONBYOPTIONS_H |
| /* -*-C++-*- |
| ***************************************************************************** |
| * |
| * File: ElemDDLPartitionByOptions.h |
| * Description: classes representing Partition By options specified in |
| * Create Table DDL statements |
| * Modelled like ElemDDLStoreOptions.h |
| * |
| * |
| * Created: 07/10/97 |
| * Language: C++ |
| * |
| * |
| * |
| * |
| ***************************************************************************** |
| */ |
| |
| #include "ElemDDLColRefArray.h" |
| #include "ElemDDLNode.h" |
| |
| // ----------------------------------------------------------------------- |
| // contents of this file |
| // ----------------------------------------------------------------------- |
| class ElemDDLPartitionByOpt; |
| class ElemDDLPartitionByColumnList; |
| |
| // ----------------------------------------------------------------------- |
| // forward references |
| // ----------------------------------------------------------------------- |
| // None |
| |
| // ----------------------------------------------------------------------- |
| // definition of base class ElemDDLPartitionByOpt |
| // ----------------------------------------------------------------------- |
| class ElemDDLPartitionByOpt : public ElemDDLNode |
| { |
| |
| public: |
| |
| // constructor |
| ElemDDLPartitionByOpt(OperatorTypeEnum operatorType = |
| ELM_ANY_PARTITION_BY_ELEM); |
| |
| // virtual destructor |
| virtual ~ElemDDLPartitionByOpt(); |
| |
| // cast |
| virtual ElemDDLPartitionByOpt * castToElemDDLPartitionByOpt(); |
| |
| // methods for tracing |
| virtual NATraceList getDetailInfo() const; |
| virtual const NAString getText() const; |
| |
| private: |
| |
| }; // class ElemDDLPartitionByOpt |
| |
| // ----------------------------------------------------------------------- |
| // definition of class ElemDDLPartitionByColumnList |
| // ----------------------------------------------------------------------- |
| class ElemDDLPartitionByColumnList : public ElemDDLPartitionByOpt |
| { |
| |
| public: |
| |
| // constructor |
| ElemDDLPartitionByColumnList(ElemDDLNode * partitionKeyColumnList, |
| CollHeap * heap = PARSERHEAP()); |
| |
| // virtual destructor |
| virtual ~ElemDDLPartitionByColumnList(); |
| |
| // casting |
| virtual ElemDDLPartitionByColumnList * castToElemDDLPartitionByColumnList(); |
| |
| // |
| // accessors |
| // |
| |
| virtual Int32 getArity() const; |
| |
| virtual ExprNode * getChild(Lng32 index); |
| |
| inline const ElemDDLColRefArray & getPartitionKeyColumnArray() const; |
| inline ElemDDLColRefArray & getPartitionKeyColumnArray(); |
| |
| inline ElemDDLNode * getPartitionKeyColumnList() const; |
| |
| // mutator |
| virtual void setChild(Lng32 index, ExprNode * pElemDDLNode); |
| |
| // methods for tracing |
| virtual const NAString displayLabel1() const; |
| virtual NATraceList getDetailInfo() const; |
| virtual const NAString getText() const; |
| |
| // method for building text |
| virtual NAString getSyntax() const; |
| |
| private: |
| |
| ElemDDLPartitionByColumnList |
| (const ElemDDLPartitionByColumnList &); // DO NOT USE |
| ElemDDLPartitionByColumnList & operator= |
| (const ElemDDLPartitionByColumnList &); // DO NOT USE |
| |
| // |
| // data members |
| // |
| |
| ElemDDLColRefArray partitionKeyColumnArray_; |
| |
| // pointers to child parse node |
| |
| enum { INDEX_PARTITION_KEY_COLUMN_LIST = 0, |
| MAX_ELEM_DDL_PARTITION_BY_COLUMN_LIST_ARITY }; |
| |
| ElemDDLNode * children_[MAX_ELEM_DDL_PARTITION_BY_COLUMN_LIST_ARITY]; |
| |
| }; // class ElemDDLPartitionByColumnList |
| |
| // ----------------------------------------------------------------------- |
| // definitions of inline methods for class ElemDDLStoreOptKeyColumnList |
| // ----------------------------------------------------------------------- |
| |
| // |
| // accessor |
| // |
| |
| inline ElemDDLColRefArray & |
| ElemDDLPartitionByColumnList::getPartitionKeyColumnArray() |
| { |
| return partitionKeyColumnArray_; |
| } |
| |
| inline const ElemDDLColRefArray & |
| ElemDDLPartitionByColumnList::getPartitionKeyColumnArray() const |
| { |
| return partitionKeyColumnArray_; |
| } |
| |
| inline ElemDDLNode * |
| ElemDDLPartitionByColumnList::getPartitionKeyColumnList() const |
| { |
| return children_[INDEX_PARTITION_KEY_COLUMN_LIST]; |
| } |
| |
| #endif // ELEMDDLPARTITIONBYOPTIONS_H |