/* Copyright (c) 2017, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef SQL_TVC_INCLUDED #define SQL_TVC_INCLUDED #include "sql_type.h" typedef List List_item; typedef bool (Item::*Item_processor) (void *arg); class select_result; class Explain_select; class Explain_query; class Item_func_in; class st_select_lex_unit; typedef class st_select_lex SELECT_LEX; class Type_holder; /** @class table_value_constr @brief Definition of a Table Value Construction(TVC) It contains a list of lists of values which this TVC is defined by and reference on SELECT where this TVC is defined. */ class table_value_constr : public Sql_alloc { public: List lists_of_values; select_result *result; SELECT_LEX *select_lex; Type_holder *type_holders; enum { QEP_NOT_PRESENT_YET, QEP_AVAILABLE} have_query_plan; Explain_select *explain; ulonglong select_options; table_value_constr(List tvc_values, SELECT_LEX *sl, ulonglong select_options_arg) : lists_of_values(tvc_values), result(0), select_lex(sl), type_holders(0), have_query_plan(QEP_NOT_PRESENT_YET), explain(0), select_options(select_options_arg) { }; ha_rows get_records() { return lists_of_values.elements; } bool prepare(THD *thd_arg, SELECT_LEX *sl, select_result *tmp_result, st_select_lex_unit *unit_arg); bool to_be_wrapped_as_with_tail(); int save_explain_data_intern(THD *thd_arg, Explain_query *output); bool optimize(THD *thd_arg); bool exec(SELECT_LEX *sl); void print(THD *thd_arg, String *str, enum_query_type query_type); bool walk_values(Item_processor processor, bool walk_subquery, void *arg); }; st_select_lex *wrap_tvc_with_tail(THD *thd, st_select_lex *tvc_sl); #endif /* SQL_TVC_INCLUDED */