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50 lines
No EOL
1.3 KiB
Objective-C
50 lines
No EOL
1.3 KiB
Objective-C
#ifndef SQL_TVC_INCLUDED
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#define SQL_TVC_INCLUDED
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#include "sql_type.h"
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#include "item.h"
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typedef List<Item> List_item;
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class select_result;
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class Explain_select;
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class Explain_query;
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class Item_func_in;
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/**
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@class table_value_constr
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@brief Definition of a Table Value Construction(TVC)
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It contains a list of lists of values which this TVC is defined by and
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reference on SELECT where this TVC is defined.
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*/
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class table_value_constr : public Sql_alloc
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{
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public:
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List<List_item> lists_of_values;
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select_result *result;
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SELECT_LEX *select_lex;
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enum { QEP_NOT_PRESENT_YET, QEP_AVAILABLE} have_query_plan;
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Explain_select *explain;
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ulonglong select_options;
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table_value_constr(List<List_item> tvc_values, SELECT_LEX *sl,
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ulonglong select_options_arg) :
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lists_of_values(tvc_values), result(0), select_lex(sl),
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have_query_plan(QEP_NOT_PRESENT_YET), explain(0),
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select_options(select_options_arg)
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{ };
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bool prepare(THD *thd_arg, SELECT_LEX *sl,
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select_result *tmp_result,
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st_select_lex_unit *unit_arg);
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int save_explain_data_intern(THD *thd_arg,
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Explain_query *output);
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void optimize(THD *thd_arg);
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bool exec(SELECT_LEX *sl);
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void print(THD *thd_arg, String *str, enum_query_type query_type);
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};
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#endif /* SQL_TVC_INCLUDED */ |