| #ifndef STMTDDLALTERTABLEDROPCOLUMN_H |
| #define STMTDDLALTERTABLEDROPCOLUMN_H |
| /* -*-C++-*- |
| ***************************************************************************** |
| * |
| * File: StmtDDLAlterTableDropColumn.h |
| * Description: class for Alter Table <table-name> Drop Column <column-definition> |
| * DDL statements |
| * |
| * The methods in this class are defined either in this |
| * header file or the source file StmtDDLAlter.C. |
| * |
| * |
| * Created: 1/27/98 |
| * Language: C++ |
| * |
| * |
| // @@@ 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 @@@ |
| * |
| * |
| ***************************************************************************** |
| */ |
| |
| // ----------------------------------------------------------------------- |
| // Change history: |
| // |
| // ----------------------------------------------------------------------- |
| |
| #include "StmtDDLAlterTable.h" |
| |
| // ----------------------------------------------------------------------- |
| // contents of this file |
| // ----------------------------------------------------------------------- |
| class StmtDDLAlterTableDropColumn; |
| |
| // ----------------------------------------------------------------------- |
| // forward references |
| // ----------------------------------------------------------------------- |
| // None. |
| |
| // ----------------------------------------------------------------------- |
| // definition of class StmtDDLAlterTableDropColumn |
| // ----------------------------------------------------------------------- |
| class StmtDDLAlterTableDropColumn : public StmtDDLAlterTable |
| { |
| public: |
| |
| // constructor |
| StmtDDLAlterTableDropColumn(NAString &colName, |
| CollHeap * heap = PARSERHEAP()); |
| |
| // virtual destructor |
| virtual ~StmtDDLAlterTableDropColumn(); |
| |
| // cast |
| virtual StmtDDLAlterTableDropColumn * castToStmtDDLAlterTableDropColumn(); |
| |
| // accessors |
| const NAString &getColName() const |
| { |
| return colName_; |
| } |
| |
| const NABoolean dropIfExists() const { return dropIfExists_; } |
| void setDropIfExists(NABoolean v) { dropIfExists_ = v; } |
| |
| // |
| // please do not use the following methods |
| // |
| |
| StmtDDLAlterTableDropColumn(); // DO NOT USE |
| StmtDDLAlterTableDropColumn(const StmtDDLAlterTableDropColumn &); // DO NOT USE |
| StmtDDLAlterTableDropColumn & operator=(const StmtDDLAlterTableDropColumn &); // DO NOT USE |
| |
| private: |
| |
| NAString colName_; |
| |
| // drop only if column exists. Otherwise just return. |
| NABoolean dropIfExists_; |
| |
| }; // class StmtDDLAlterTableDropColumn |
| |
| #endif // STMTDDLALTERTABLEDROPCOLUMN_H |