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59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/* Copyright (C) 2025 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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#pragma once
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#define PREFER_MY_CONFIG_H
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#include <my_config.h>
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#include "idb_mysql.h"
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#include "constantcolumn.h"
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#include "ha_mcs_impl_if.h"
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namespace cal_impl_if
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{
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class ValStrStdString : public std::string
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{
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bool mIsNull;
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public:
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ValStrStdString(Item* item)
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{
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String val, *str = item->val_str(&val);
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mIsNull = (str == nullptr);
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DBUG_ASSERT(mIsNull == item->null_value);
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if (!mIsNull)
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assign(str->ptr(), str->length());
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}
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bool isNull() const
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{
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return mIsNull;
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}
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};
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bool nonConstFunc(Item_func* ifp);
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// Note: This function might be unused currently but is kept for future compatibility.
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execplan::ConstantColumn* buildConstantColumnMaybeNullFromValStr(const Item* item, const ValStrStdString& valStr,
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cal_impl_if::gp_walk_info& gwi);
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execplan::ConstantColumn* newConstantColumnNotNullUsingValNativeNoTz(Item* item, gp_walk_info& gwi);
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bool isSupportedAggregateWithOneConstArg(const Item_sum* item, Item** orig_args);
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execplan::ConstantColumn* buildConstantColumnNotNullUsingValNative(Item* item, gp_walk_info& gwi);
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execplan::ConstantColumn* buildConstantColumnMaybeNullUsingValStr(Item* item, gp_walk_info& gwi);
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}
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