mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-20 09:07:44 +03:00
3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
/* Copyright (C) 2019 MariaDB Corporation.
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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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#include <string>
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using namespace std;
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#include "functor_str.h"
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using namespace execplan;
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#include "rowgroup.h"
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using namespace rowgroup;
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_quote::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& resultType)
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{
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return resultType;
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}
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std::string Func_quote::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
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execplan::CalpontSystemCatalog::ColType& op_ct)
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{
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string str;
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stringValue(fp[0], row, isNull, str);
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if (isNull)
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{
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isNull = false;
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return "NULL";
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}
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if (str.empty())
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return "NULL";
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string result;
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result.reserve((str.size() * 1.3) + 2);
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result.push_back('\'');
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for (uint64_t i = 0; i < str.size(); i++)
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{
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switch (str[i])
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{
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case 0:
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result.push_back('\\');
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result.push_back('0');
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break;
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case '\032':
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result.push_back('\\');
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result.push_back('Z');
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break;
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case '\'':
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case '\\':
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result.push_back('\\');
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result.push_back(str[i]);
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break;
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default: result.push_back(str[i]); break;
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}
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}
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result.push_back('\'');
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return result;
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}
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} // namespace funcexp
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