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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
parent 921c5e9314
commit a7e352b54d
145 changed files with 2361 additions and 2407 deletions
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8
sql/sql_delete.cc
View File

@ -103,7 +103,7 @@ bool Update_plan::save_explain_data_intern(MEM_ROOT *mem_root,
bool is_analyze)
{
explain->select_type= "SIMPLE";
explain->table_name.append(table->pos_in_table_list->alias);
explain->table_name.append(&table->pos_in_table_list->alias);
explain->impossible_where= false;
explain->no_partitions= false;
@ -344,7 +344,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
if (!table_list->single_table_updatable())
{
my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "DELETE");
my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias.str, "DELETE");
DBUG_RETURN(TRUE);
}
if (!(table= table_list->table) || !table->is_created())
@ -961,7 +961,7 @@ l
if (!table_list->single_table_updatable() ||
check_key_in_view(thd, table_list))
{
my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias, "DELETE");
my_error(ER_NON_UPDATABLE_TABLE, MYF(0), table_list->alias.str, "DELETE");
DBUG_RETURN(TRUE);
}
@ -1053,7 +1053,7 @@ int mysql_multi_delete_prepare(THD *thd)
check_key_in_view(thd, target_tbl->correspondent_table))
{
my_error(ER_NON_UPDATABLE_TABLE, MYF(0),
target_tbl->table_name, "DELETE");
target_tbl->table_name.str, "DELETE");
DBUG_RETURN(TRUE);
}
/*