summaryrefslogtreecommitdiff
path: root/innobase/include/dict0dict.h
diff options
context:
space:
mode:
Diffstat (limited to 'innobase/include/dict0dict.h')
-rw-r--r--innobase/include/dict0dict.h77
1 files changed, 76 insertions, 1 deletions
diff --git a/innobase/include/dict0dict.h b/innobase/include/dict0dict.h
index cec1430c9e9..56b55b8a417 100644
--- a/innobase/include/dict0dict.h
+++ b/innobase/include/dict0dict.h
@@ -138,6 +138,38 @@ dict_table_rename_in_cache(
dict_table_t* table, /* in: table */
char* new_name); /* in: new name */
/**************************************************************************
+Adds a foreign key constraint object to the dictionary cache. May free
+the object if there already is an object with the same identifier in.
+At least one of foreign table or referenced table must already be in
+the dictionary cache! */
+
+ulint
+dict_foreign_add_to_cache(
+/*======================*/
+ /* out: DB_SUCCESS or error code */
+ dict_foreign_t* foreign); /* in, own: foreign key constraint */
+/*************************************************************************
+Scans a table create SQL string and adds to the data dictionary
+the foreign key constraints declared in the string. This function
+should be called after the indexes for a table have been created.
+Each foreign key constraint must be accompanied with indexes in
+bot participating tables. The indexes are allowed to contain more
+fields than mentioned in the constraint. */
+
+ulint
+dict_create_foreign_constraints(
+/*============================*/
+ /* out: error code or DB_SUCCESS */
+ trx_t* trx, /* in: transaction */
+ char* sql_string, /* in: table create statement where
+ foreign keys are declared like:
+ FOREIGN KEY (a, b) REFERENCES table2(c, d),
+ table2 can be written also with the database
+ name before it: test.table2; the default
+ database id the database of parameter name */
+ char* name); /* in: table full name in the normalized form
+ database_name/table_name */
+/**************************************************************************
Returns a table object and memoryfixes it. NOTE! This is a high-level
function to be used mainly from outside the 'dict' directory. Inside this
directory dict_table_get_low is usually the appropriate function. */
@@ -174,6 +206,14 @@ dict_table_release(
/*===============*/
dict_table_t* table); /* in: table to be released */
/**************************************************************************
+Checks if a table is in the dictionary cache. */
+UNIV_INLINE
+dict_table_t*
+dict_table_check_if_in_cache_low(
+/*==============================*/
+ /* out: table, NULL if not found */
+ char* table_name); /* in: table name */
+/**************************************************************************
Gets a table; loads it to the dictionary cache if necessary. A low-level
function. */
UNIV_INLINE
@@ -208,6 +248,13 @@ dict_table_print(
/*=============*/
dict_table_t* table); /* in: table */
/**************************************************************************
+Prints a table data. */
+
+void
+dict_table_print_low(
+/*=================*/
+ dict_table_t* table); /* in: table */
+/**************************************************************************
Prints a table data when we know the table name. */
void
@@ -319,6 +366,16 @@ dict_table_copy_types(
dtuple_t* tuple, /* in: data tuple */
dict_table_t* table); /* in: index */
/**************************************************************************
+Looks for an index with the given id. NOTE that we do not reserve
+the dictionary mutex: this function is for emergency purposes like
+printing info of a corrupt database page! */
+
+dict_index_t*
+dict_index_find_on_id_low(
+/*======================*/
+ /* out: index or NULL if not found from cache */
+ dulint id); /* in: index id */
+/**************************************************************************
Adds an index to dictionary cache. */
ibool
@@ -640,6 +697,23 @@ dict_tree_get_space_reserve(
reserved for updates */
dict_tree_t* tree); /* in: a tree */
/*************************************************************************
+Calculates the minimum record length in an index. */
+
+ulint
+dict_index_calc_min_rec_len(
+/*========================*/
+ dict_index_t* index); /* in: index */
+/*************************************************************************
+Calculates new estimates for table and index statistics. The statistics
+are used in query optimization. */
+
+void
+dict_update_statistics_low(
+/*=======================*/
+ dict_table_t* table, /* in: table */
+ ibool has_dict_mutex);/* in: TRUE if the caller has the
+ dictionary mutex */
+/*************************************************************************
Calculates new estimates for table and index statistics. The statistics
are used in query optimization. */
@@ -661,7 +735,8 @@ dict_mutex_exit_for_mysql(void);
/*===========================*/
-extern dict_sys_t* dict_sys; /* the dictionary system */
+extern dict_sys_t* dict_sys; /* the dictionary system */
+extern rw_lock_t dict_foreign_key_check_lock;
/* Dictionary system struct */
struct dict_sys_struct{