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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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// $Id: anydatalist.cpp 9655 2013-06-25 23:08:13Z xlou $
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#include "elementtype.h"
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namespace joblist
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{
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//
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//...Create an index where we store a manipulator flag (for each stream)
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//...that controls the inclusion of a datalist's OID in stream operations.
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//
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static const int showOidInDataList_Index = std::ios_base::xalloc();
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std::ostream& operator<<(std::ostream& oss, const AnyDataListSPtr& dl)
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{
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bool withOid = (oss.iword(showOidInDataList_Index) != 0);
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if (auto* dle = dl->rowGroupDL(); dle != nullptr)
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{
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if (withOid)
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oss << dle->OID() << " ";
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//...If this datalist is saved to disk, then include the saved
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//...element size in the printed information.
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std::ostringstream elemSizeStr;
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if (dle->useDisk())
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{
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elemSizeStr << "(" << dle->getDiskElemSize1st() << "," << dle->getDiskElemSize2nd() << ")";
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}
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oss << "(0x" << std::hex << (ptrdiff_t)dle << std::dec << elemSizeStr.str() << ")";
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}
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else
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{
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oss << "0 (0x0000 [0])";
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}
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return oss;
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}
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//
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//...showOidInDL is a manipulator that enables the inclusion of the data-
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//...list's OID in subsequent invocations of the AnyDataListSPtr output
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//...stream operator.
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//
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std::ostream& showOidInDL(std::ostream& strm)
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{
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strm.iword(showOidInDataList_Index) = true;
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return strm;
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}
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//
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//...omitOidInDL is a manipulator that disables the inclusion of the data-
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//...list's OID in subsequent invocations of the AnyDataListSPtr output
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//...stream operator.
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//
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std::ostream& omitOidInDL(std::ostream& strm)
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{
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strm.iword(showOidInDataList_Index) = false;
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return strm;
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}
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} // namespace joblist
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