mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-18 04:53:01 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Added support for calculating index cadinality

Browse source
This commit is contained in:
mskold@mysql.com 2004-09-20 21:03:09 +02:00
parent c12c9af224
commit f3c68d3831
2 changed files with 22 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
sql/ha_ndbcluster.cc
View file

@ -166,9 +166,19 @@ struct Ndb_table_local_info {
ha_rows records;
};
void ha_ndbcluster::set_rec_per_key()
{
DBUG_ENTER("ha_ndbcluster::get_status_const");
for (uint i=0 ; i < table->keys ; i++)
{
table->key_info[i].rec_per_key[table->key_info[i].key_parts-1]= 1;
}
DBUG_VOID_RETURN;
}
void ha_ndbcluster::records_update()
{
DBUG_ENTER("ha_ndbcluster::records_update");
DBUG_ENTER("ha_ndbcluster::get_status_variable");
struct Ndb_table_local_info *info= (struct Ndb_table_local_info *)m_table_info;
DBUG_PRINT("info", ("id=%d, no_uncommitted_rows_count=%d",
((const NDBTAB *)m_table)->getTableId(),
@ -2380,13 +2390,16 @@ void ha_ndbcluster::info(uint flag)
DBUG_PRINT("info", ("HA_STATUS_NO_LOCK"));
if (flag & HA_STATUS_TIME)
DBUG_PRINT("info", ("HA_STATUS_TIME"));
if (flag & HA_STATUS_CONST)
DBUG_PRINT("info", ("HA_STATUS_CONST"));
if (flag & HA_STATUS_VARIABLE)
{
DBUG_PRINT("info", ("HA_STATUS_VARIABLE"));
records_update();
}
if (flag & HA_STATUS_CONST)
{
DBUG_PRINT("info", ("HA_STATUS_CONST"));
set_rec_per_key();
}
if (flag & HA_STATUS_ERRKEY)
{
DBUG_PRINT("info", ("HA_STATUS_ERRKEY"));
@ -3432,6 +3445,7 @@ ha_ndbcluster::~ha_ndbcluster()
int ha_ndbcluster::open(const char *name, int mode, uint test_if_locked)
{
int res;
KEY *key;
DBUG_ENTER("open");
DBUG_PRINT("enter", ("name: %s mode: %d test_if_locked: %d",
@ -3458,8 +3472,11 @@ int ha_ndbcluster::open(const char *name, int mode, uint test_if_locked)
free_share(m_share); m_share= 0;
DBUG_RETURN(HA_ERR_NO_CONNECTION);
}
res= get_metadata(name);
if (!res)
info(HA_STATUS_VARIABLE | HA_STATUS_CONST);
DBUG_RETURN(get_metadata(name));
DBUG_RETURN(res);
}

1
sql/ha_ndbcluster.h
View file

@ -258,6 +258,7 @@ class ha_ndbcluster: public handler
uint32 blobs_buffer_size;
uint dupkey;
void set_rec_per_key();
void records_update();
void no_uncommitted_rows_execute_failure();
void no_uncommitted_rows_update(int);