| /********************************************************************** |
| // @@@ 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 THBASE_H |
| #define THBASE_H 1 |
| |
| #include "Collections.h" |
| #include "ValueDesc.h" |
| #include "NABasicObject.h" |
| #include "CmpCommon.h" |
| |
| struct HbaseSearchSpec : public NABasicObject |
| { |
| |
| HbaseSearchSpec(NAHeap* h = NULL) |
| : colNames_(h ? h : STMTHEAP), rowTS_(0) {}; |
| void addColumnNames(const ValueIdSet& vs); |
| const NAString getText() const; |
| |
| // column names to be retrieved. |
| // Same set to be retrieved for all row id entries in rowIds_ |
| // Format of each entry: |
| // colfam:colname ==> to retrieve 'colname' from 'colfam' |
| // colfam: ==> to retrieve all columns in that family |
| NAList<NAString> colNames_; |
| |
| // row timestamp at which the row is to be retrieved |
| // If -1, latest timestamp |
| Int64 rowTS_; |
| |
| protected: |
| }; |
| |
| // This struct is used to specify unique rowids at runtime by |
| // calling 'Get' methods of hbase api. |
| // A list of these structs is created and each entry is evaluated |
| // at runtime. |
| // If rowIds_ contains one entry, then 'getRow' methods are used. |
| // If rowIds_ contain multiple entries, then 'getRows' methods are used. |
| |
| struct HbaseUniqueRows : public HbaseSearchSpec |
| { |
| HbaseUniqueRows(NAHeap* h = NULL) |
| : HbaseSearchSpec(h), rowIds_(h ? h : STMTHEAP) {}; |
| const NAString getText() const; |
| |
| // list of rowIds |
| NAList<NAString> rowIds_; |
| }; |
| |
| |
| // This struct is used to specify range of rowids at runtime by |
| // calling 'scanner' methods of hbase api. |
| // A list of these structs is created and each entry is evaluated |
| // at runtime. |
| |
| struct HbaseRangeRows : public HbaseSearchSpec |
| { |
| // range of rowids . |
| // If begin is null, start at beginning. |
| // If end is null, stop at end. |
| // If both are null, scan all rows. |
| NAString beginRowId_; |
| NAString endRowId_; |
| |
| NABoolean beginKeyExclusive_; |
| NABoolean endKeyExclusive_; |
| |
| HbaseRangeRows(NAHeap* h = NULL) |
| : HbaseSearchSpec(h) {} ; |
| |
| const NAString getText() const; |
| }; |
| |
| struct ListOfUniqueRows : public NAList<HbaseUniqueRows> |
| { |
| ListOfUniqueRows(NAHeap* h = NULL) : |
| NAList<HbaseUniqueRows>(h ? h : STMTHEAP) {}; |
| const NAString getText() const; |
| }; |
| |
| struct ListOfRangeRows : public NAList<HbaseRangeRows> |
| { |
| ListOfRangeRows(NAHeap* h = NULL) : |
| NAList<HbaseRangeRows>(h ? h : STMTHEAP) {}; |
| const NAString getText() const; |
| }; |
| |
| #endif |