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Diffstat (limited to 'innobase/include/row0ins.h')
| -rw-r--r-- | innobase/include/row0ins.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/innobase/include/row0ins.h b/innobase/include/row0ins.h index 612b9e8d73a..cc3b9fa7e9a 100644 --- a/innobase/include/row0ins.h +++ b/innobase/include/row0ins.h @@ -16,6 +16,28 @@ Created 4/20/1996 Heikki Tuuri #include "trx0types.h" #include "row0types.h" +/******************************************************************* +Checks if foreign key constraint fails for an index entry. Sets shared locks +which lock either the success or the failure of the constraint. NOTE that +the caller must have a shared latch on dict_foreign_key_check_lock. */ + +ulint +row_ins_check_foreign_constraint( +/*=============================*/ + /* out: DB_SUCCESS, DB_LOCK_WAIT, + DB_NO_REFERENCED_ROW, + or DB_ROW_IS_REFERENCED */ + ibool check_ref,/* in: TRUE If we want to check that + the referenced table is ok, FALSE if we + want to to check the foreign key table */ + dict_foreign_t* foreign,/* in: foreign constraint; NOTE that the + tables mentioned in it must be in the + dictionary cache if they exist at all */ + dict_table_t* table, /* in: if check_ref is TRUE, then the foreign + table, else the referenced table */ + dict_index_t* index, /* in: index in table */ + dtuple_t* entry, /* in: index entry for index */ + que_thr_t* thr); /* in: query thread */ /************************************************************************* Creates an insert node struct. */ |