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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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| 
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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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| 
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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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| 
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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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| 
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| #pragma once
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| 
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| 
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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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| 
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| #include "constantcolumn.h"
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| #include "ha_mcs_impl_if.h"
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| 
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| namespace cal_impl_if
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| {
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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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| 
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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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|   
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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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