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Changed database, tablename and alias to be LEX_CSTRING

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This was done in, among other things:
- thd->db and thd->db_length
- TABLE_LIST tablename, db, alias and schema_name
- Audit plugin database name
- lex->db
- All db and table names in Alter_table_ctx
- st_select_lex db

Other things:
- Changed a lot of functions to take const LEX_CSTRING* as argument
  for db, table_name and alias. See init_one_table() as an example.
- Changed some function arguments from LEX_CSTRING to const LEX_CSTRING
- Changed some lists from LEX_STRING to LEX_CSTRING
- threads_mysql.result changed because process list_db wasn't always
  correctly updated
- New append_identifier() function that takes LEX_CSTRING* as arguments
- Added new element tmp_buff to Alter_table_ctx to separate temp name
  handling from temporary space
- Ensure we store the length after my_casedn_str() of table/db names
- Removed not used version of rename_table_in_stat_tables()
- Changed Natural_join_column::table_name and db_name() to never return
  NULL (used for print)
- thd->get_db() now returns db as a printable string (thd->db.str or "")
This commit is contained in:
Monty 2018-01-07 18:03:44 +02:00
commit a7e352b54d
145 changed files with 2363 additions and 2409 deletions
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2
storage/innobase/sync/sync0arr.cc
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@ -1307,7 +1307,7 @@ sync_arr_fill_sys_semphore_waits_table(
ulint n_items;
DBUG_ENTER("i_s_sys_semaphore_waits_fill_table");
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name.str);
/* deny access to user without PROCESS_ACL privilege */
if (check_global_access(thd, PROCESS_ACL)) {