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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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35 lines
1.2 KiB
C++
35 lines
1.2 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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#ifndef NULLVALUEMANIP_H
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#define NULLVALUEMANIP_H
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#include "../../dbcon/execplan/calpontsystemcatalog.h"
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namespace utils {
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// returns the NULL value for our 'numeric' types including short strings.
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// The width is only relevant for long string columns.
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uint64_t getNullValue(execplan::CalpontSystemCatalog::ColDataType, uint32_t colWidth = 0);
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int64_t getSignedNullValue(execplan::CalpontSystemCatalog::ColDataType, uint32_t colWidth = 0);
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}
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#endif // NULLVALUEMANIP_H
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