mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
namespace Show {
|
|
|
|
static ST_FIELD_INFO table_stats_fields[]=
|
|
{
|
|
Column("TABLE_SCHEMA", Varchar(NAME_LEN), NOT_NULL, "Table_schema"),
|
|
Column("TABLE_NAME", Varchar(NAME_LEN), NOT_NULL, "Table_name"),
|
|
Column("ROWS_READ", SLonglong(), NOT_NULL, "Rows_read"),
|
|
Column("ROWS_CHANGED", SLonglong(), NOT_NULL, "Rows_changed"),
|
|
Column("ROWS_CHANGED_X_INDEXES",SLonglong(), NOT_NULL, "Rows_changed_x_#indexes"),
|
|
CEnd()
|
|
};
|
|
|
|
} // namespace Show
|
|
|
|
static int table_stats_fill(THD *thd, TABLE_LIST *tables, COND *cond)
|
|
{
|
|
TABLE *table= tables->table;
|
|
|
|
mysql_mutex_lock(&LOCK_global_table_stats);
|
|
for (uint i= 0; i < global_table_stats.records; i++)
|
|
{
|
|
char *end_of_schema;
|
|
TABLE_STATS *table_stats=
|
|
(TABLE_STATS*)my_hash_element(&global_table_stats, i);
|
|
TABLE_LIST tmp_table;
|
|
size_t schema_length, table_name_length;
|
|
|
|
end_of_schema= strend(table_stats->table);
|
|
schema_length= (size_t) (end_of_schema - table_stats->table);
|
|
table_name_length= strlen(table_stats->table + schema_length + 1);
|
|
|
|
bzero((char*) &tmp_table,sizeof(tmp_table));
|
|
tmp_table.db.str= table_stats->table;
|
|
tmp_table.db.length= schema_length;
|
|
tmp_table.table_name.str= end_of_schema+1;
|
|
tmp_table.table_name.length= table_name_length;
|
|
tmp_table.grant.privilege= NO_ACL;
|
|
if (check_access(thd, SELECT_ACL, tmp_table.db.str,
|
|
&tmp_table.grant.privilege, NULL, 0, 1) ||
|
|
check_grant(thd, SELECT_ACL, &tmp_table, 1, 1, 1))
|
|
continue;
|
|
|
|
table->field[0]->store(table_stats->table, schema_length,
|
|
system_charset_info);
|
|
table->field[1]->store(table_stats->table + schema_length+1,
|
|
table_name_length, system_charset_info);
|
|
table->field[2]->store((longlong)table_stats->rows_read, TRUE);
|
|
table->field[3]->store((longlong)table_stats->rows_changed, TRUE);
|
|
table->field[4]->store((longlong)table_stats->rows_changed_x_indexes,
|
|
TRUE);
|
|
if (schema_table_store_record(thd, table))
|
|
{
|
|
mysql_mutex_unlock(&LOCK_global_table_stats);
|
|
return 1;
|
|
}
|
|
}
|
|
mysql_mutex_unlock(&LOCK_global_table_stats);
|
|
return 0;
|
|
}
|
|
|
|
static int table_stats_reset()
|
|
{
|
|
mysql_mutex_lock(&LOCK_global_table_stats);
|
|
free_global_table_stats();
|
|
init_global_table_stats();
|
|
mysql_mutex_unlock(&LOCK_global_table_stats);
|
|
return 0;
|
|
}
|
|
|
|
static int table_stats_init(void *p)
|
|
{
|
|
ST_SCHEMA_TABLE *schema= (ST_SCHEMA_TABLE *)p;
|
|
schema->fields_info= Show::table_stats_fields;
|
|
schema->fill_table= table_stats_fill;
|
|
schema->reset_table= table_stats_reset;
|
|
return 0;
|
|
}
|
|
|