diff options
Diffstat (limited to 'storage/innobase/include/dict0dict.ic')
| -rw-r--r-- | storage/innobase/include/dict0dict.ic | 61 |
1 files changed, 60 insertions, 1 deletions
diff --git a/storage/innobase/include/dict0dict.ic b/storage/innobase/include/dict0dict.ic index 9b0c9e5c001..a63e1d16427 100644 --- a/storage/innobase/include/dict0dict.ic +++ b/storage/innobase/include/dict0dict.ic @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved. +Copyright (c) 1996, 2014, Oracle and/or its affiliates. All Rights Reserved. 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 @@ -945,3 +945,62 @@ dict_index_is_corrupted( } #endif /* !UNIV_HOTBACKUP */ +/**********************************************************************//** +Compares the given foreign key identifier (the key in rb-tree) and the +foreign key identifier in the given fk object (value in rb-tree). +@return negative, 0, or positive if foreign_id is smaller, equal, +or greater than foreign_obj->id, respectively. */ +UNIV_INLINE +int +dict_foreign_rbt_cmp( +/*=================*/ + const void* foreign_id, /*!< in: the foreign key identifier + which is used as a key in rb-tree. */ + const void* foreign_obj) /*!< in: the foreign object itself + which is used as value in rb-tree. */ +{ + return(ut_strcmp((const char*) foreign_id, + (*(dict_foreign_t**) foreign_obj)->id)); +} + +/**********************************************************************//** +Allocate the table->foreign_rbt, which stores all the foreign objects +that is available in table->foreign_list. The caller must hold the +dict_sys->mutex. +@return the allocated rbt object */ +UNIV_INLINE +ib_rbt_t* +dict_table_init_foreign_rbt( +/*========================*/ + dict_table_t* table) /*!< in: the table object whose + table->foreign_rbt will be initialized */ +{ + ut_a(table->foreign_rbt == NULL); + ut_ad(mutex_own(&(dict_sys->mutex))); + + table->foreign_rbt = rbt_create(sizeof(dict_foreign_t*), + dict_foreign_rbt_cmp); + ut_a(table->foreign_rbt != NULL); + return(table->foreign_rbt); +} + +/**********************************************************************//** +Allocate the table->referened_rbt, which stores all the foreign objects +that is available in table->referenced_list. The caller must hold the +dict_sys->mutex. +@return the allocated rbt object */ +UNIV_INLINE +ib_rbt_t* +dict_table_init_referenced_rbt( +/*===========================*/ + dict_table_t* table) /*!< in: the table object whose + table->referenced_rbt will be initialized */ +{ + ut_a(table->referenced_rbt == NULL); + ut_ad(mutex_own(&(dict_sys->mutex))); + + table->referenced_rbt = rbt_create(sizeof(dict_foreign_t*), + dict_foreign_rbt_cmp); + ut_a(table->referenced_rbt != NULL); + return(table->referenced_rbt); +} |