diff options
Diffstat (limited to 'sql/sql_trigger.h')
| -rw-r--r-- | sql/sql_trigger.h | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/sql/sql_trigger.h b/sql/sql_trigger.h index 7d7d1d42bdc..092b48170d8 100644 --- a/sql/sql_trigger.h +++ b/sql/sql_trigger.h @@ -1,3 +1,6 @@ +#ifndef SQL_TRIGGER_INCLUDED +#define SQL_TRIGGER_INCLUDED + /* Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved. @@ -12,8 +15,39 @@ 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 + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ + +/* Forward declarations */ + +class Item_trigger_field; +class sp_head; +class sp_name; +class Query_tables_list; +struct TABLE_LIST; +class Query_tables_list; + +/** Event on which trigger is invoked. */ +enum trg_event_type +{ + TRG_EVENT_INSERT= 0, + TRG_EVENT_UPDATE= 1, + TRG_EVENT_DELETE= 2, + TRG_EVENT_MAX +}; + +#include "table.h" /* GRANT_INFO */ + +/* + We need this two enums here instead of sql_lex.h because + at least one of them is used by Item_trigger_field interface. + + Time when trigger is invoked (i.e. before or after row actually + inserted/updated/deleted). */ +enum trg_action_time_type +{ + TRG_ACTION_BEFORE= 0, TRG_ACTION_AFTER= 1, TRG_ACTION_MAX +}; /** @@ -106,8 +140,9 @@ public: /* End of character ser context. */ - Table_triggers_list(TABLE *table_arg): - record1_field(0), trigger_table(table_arg), m_has_unparseable_trigger(false) + Table_triggers_list(TABLE *table_arg) + :record1_field(0), trigger_table(table_arg), + m_has_unparseable_trigger(false) { bzero((char *)bodies, sizeof(bodies)); bzero((char *)trigger_fields, sizeof(trigger_fields)); @@ -145,6 +180,7 @@ public: TABLE *table, bool names_only); static bool drop_all_triggers(THD *thd, char *db, char *table_name); static bool change_table_name(THD *thd, const char *db, + const char *old_alias, const char *old_table, const char *new_db, const char *new_table); @@ -166,8 +202,10 @@ public: void set_parse_error_message(char *error_message); friend class Item_trigger_field; - friend int sp_cache_routines_and_add_tables_for_triggers(THD *thd, LEX *lex, - TABLE_LIST *table); + + bool add_tables_and_routines_for_triggers(THD *thd, + Query_tables_list *prelocking_ctx, + TABLE_LIST *table_list); private: bool prepare_record1_accessors(TABLE *table); @@ -208,4 +246,9 @@ bool load_table_name_for_trigger(THD *thd, const sp_name *trg_name, const LEX_STRING *trn_path, LEX_STRING *tbl_name); +bool mysql_create_or_drop_trigger(THD *thd, TABLE_LIST *tables, bool create); + +extern const char * const TRG_EXT; +extern const char * const TRN_EXT; +#endif /* SQL_TRIGGER_INCLUDED */ |