diff options
Diffstat (limited to 'sql/sql_table.h')
| -rw-r--r-- | sql/sql_table.h | 69 |
1 files changed, 31 insertions, 38 deletions
diff --git a/sql/sql_table.h b/sql/sql_table.h index 4d74aadc02a..2cead6fa683 100644 --- a/sql/sql_table.h +++ b/sql/sql_table.h @@ -27,8 +27,10 @@ class Alter_info; class Alter_table_ctx; +struct Atomic_info; class Column_definition; class Create_field; +struct Table_name; struct TABLE_LIST; class THD; struct TABLE; @@ -94,49 +96,15 @@ uint build_tmptable_filename(THD* thd, char *buff, size_t bufflen); bool add_keyword_to_query(THD *thd, String *result, const LEX_CSTRING *keyword, const LEX_CSTRING *add); -/* - mysql_create_table_no_lock can be called in one of the following - mutually exclusive situations: - - - Just a normal ordinary CREATE TABLE statement that explicitly - defines the table structure. - - - CREATE TABLE ... SELECT. It is special, because only in this case, - the list of fields is allowed to have duplicates, as long as one of the - duplicates comes from the select list, and the other doesn't. For - example in - - CREATE TABLE t1 (a int(5) NOT NUL) SELECT b+10 as a FROM t2; - - the list in alter_info->create_list will have two fields `a`. - - - ALTER TABLE, that creates a temporary table #sql-xxx, which will be later - renamed to replace the original table. - - - ALTER TABLE as above, but which only modifies the frm file, it only - creates an frm file for the #sql-xxx, the table in the engine is not - created. - - - Assisted discovery, CREATE TABLE statement without the table structure. - - These situations are distinguished by the following "create table mode" - values, where a CREATE ... SELECT is denoted by any non-negative number - (which should be the number of fields in the SELECT ... part), and other - cases use constants as defined below. -*/ -#define C_ORDINARY_CREATE 0 -#define C_ALTER_TABLE 1 -#define C_ALTER_TABLE_FRM_ONLY 2 -#define C_ASSISTED_DISCOVERY 3 - int mysql_create_table_no_lock(THD *thd, - DDL_LOG_STATE *ddl_log_state, - DDL_LOG_STATE *ddl_log_state_rm, + const LEX_CSTRING *orig_db, + const LEX_CSTRING *orig_table_name, const LEX_CSTRING *db, const LEX_CSTRING *table_name, Table_specification_st *create_info, Alter_info *alter_info, bool *is_trans, - int create_table_mode, TABLE_LIST *table); + int create_table_mode, TABLE_LIST *table, + LEX_CUSTRING *frm= NULL); handler *mysql_create_frm_image(THD *thd, const LEX_CSTRING &db, @@ -170,6 +138,31 @@ bool mysql_compare_tables(TABLE *table, HA_CREATE_INFO *create_info, bool *metadata_equal); bool mysql_recreate_table(THD *thd, TABLE_LIST *table_list, bool table_copy); +/** + Parameters for rename_table_and_triggers() +*/ +struct rename_param +{ + LEX_CSTRING old_alias, new_alias; + LEX_CUSTRING old_version; + handlerton *from_table_hton; + int rename_flags; /* FN_FROM_IS_TMP, FN_TO_IS_TMP, etc */ + rename_param() : + from_table_hton(NULL), + rename_flags(0) {} +}; +bool +rename_table_and_triggers(THD *thd, rename_param *param, + DDL_LOG_STATE *ddl_log_state, + Table_name *ren_table, const LEX_CSTRING *new_db, + bool skip_error, bool *force_if_exists); +int +rename_check_preconditions(THD *thd, rename_param *param, + Table_name *ren_table, + const LEX_CSTRING *new_db, + const LEX_CSTRING *new_table_name, + const LEX_CSTRING *new_table_alias, + bool if_exists); bool mysql_rename_table(handlerton *base, const LEX_CSTRING *old_db, const LEX_CSTRING *old_name, const LEX_CSTRING *new_db, const LEX_CSTRING *new_name, LEX_CUSTRING *id, |