diff options
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index 48452ce34a9..3574930f357 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -33,6 +33,8 @@ #include "records.h" /* READ_RECORD */ #include "opt_range.h" /* SQL_SELECT, QUICK_SELECT_I */ #include "filesort.h" +#include "sql_base.h" +#include "sql_cmd.h" typedef struct st_join_table JOIN_TAB; /* Values in optimize */ @@ -2516,4 +2518,39 @@ void propagate_new_equalities(THD *thd, Item *cond, bool *is_simplifiable_cond); bool dbug_user_var_equals_str(THD *thd, const char *name, const char *value); + + +class Sql_cmd_select : public Sql_cmd_dml +{ +public: + explicit Sql_cmd_select(select_result *result_arg) + : Sql_cmd_dml(), save_protocol(NULL) + { result= result_arg; } + + enum_sql_command sql_command_code() const override + { + return SQLCOM_SELECT; + } + + DML_prelocking_strategy *get_dml_prelocking_strategy() + { + return &dml_prelocking_strategy; + } + +protected: + + bool precheck(THD *thd) override; + + bool prepare_inner(THD *thd) override; + + bool execute_inner(THD *thd) override; + +private: + /* The prelocking strategy used when opening the used tables */ + DML_prelocking_strategy dml_prelocking_strategy; + + Protocol *save_protocol; +}; + + #endif /* SQL_SELECT_INCLUDED */ |