diff options
Diffstat (limited to 'sql/sp_head.h')
| -rw-r--r-- | sql/sp_head.h | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/sql/sp_head.h b/sql/sp_head.h index 74fcd03180e..bac97a1fd77 100644 --- a/sql/sp_head.h +++ b/sql/sp_head.h @@ -175,7 +175,34 @@ public: LEX_STRING m_definer_user; LEX_STRING m_definer_host; + /** + Is this routine being executed? + */ + bool is_invoked() const { return m_flags & IS_INVOKED; } + + /** + Get the value of the SP cache version, as remembered + when the routine was inserted into the cache. + */ + ulong sp_cache_version() const { return m_sp_cache_version; } + + /** Set the value of the SP cache version. */ + void set_sp_cache_version(ulong version_arg) + { + m_sp_cache_version= version_arg; + } private: + /** + Version of the stored routine cache at the moment when the + routine was added to it. Is used only for functions and + procedures, not used for triggers or events. When sp_head is + created, its version is 0. When it's added to the cache, the + version is assigned the global value 'Cversion'. + If later on Cversion is incremented, we know that the routine + is obsolete and should not be used -- + sp_cache_flush_obsolete() will purge it. + */ + ulong m_sp_cache_version; Stored_program_creation_ctx *m_creation_ctx; public: @@ -263,9 +290,6 @@ public: void set_stmt_end(THD *thd); - int - create(THD *thd); - virtual ~sp_head(); /// Free memory |