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Commit fbf2a6ac authored by tomas@poseidon.ndb.mysql.com's avatar tomas@poseidon.ndb.mysql.com
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Merge tulin@bk-internal.mysql.com:/home/bk/mysql-4.1 

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1
parents 141a5eea 5745223a
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Showing with 225 additions and 23 deletions
mysql-test/r/ndb_blob.result
View file @ fbf2a6ac
......@@ -377,3 +377,24 @@ count(*)
0
drop table t1;
drop database mysqltest;
set autocommit=1;
use test;
CREATE TABLE t1 (
a int,
b text,
PRIMARY KEY (a)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES
(1,'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA');
INSERT INTO t1 VALUES
(2,'BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB');
select * from t1 order by a;
a b
1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2 BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
alter table t1 engine=ndb;
select * from t1 order by a;
a b
1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
2 BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
drop table t1;
mysql-test/r/ndb_limit.result
View file @ fbf2a6ac
......@@ -29,3 +29,44 @@ count(*)
select * from t2 limit 0;
a b c
drop table t2;
CREATE TABLE `t2` (
`views` int(11) NOT NULL default '0',
`clicks` int(11) NOT NULL default '0',
`day` date NOT NULL default '0000-00-00',
`hour` tinyint(4) NOT NULL default '0',
`bannerid` smallint(6) NOT NULL default '0',
`zoneid` smallint(6) NOT NULL default '0',
`source` varchar(50) NOT NULL default '',
PRIMARY KEY (`day`,`hour`,`bannerid`,`zoneid`,`source`),
KEY `bannerid_day` (`bannerid`,`day`),
KEY `zoneid` (`zoneid`)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1;
INSERT INTO `t2` VALUES
( 1,0,'2004-09-17', 5,100,100,''),
( 1,0,'2004-09-18', 7,100,100,''),
( 17,0,'2004-09-27',20,132,100,''),
( 4,0,'2004-09-16',23,132,100,''),
( 86,0,'2004-09-18', 7,196,196,''),
( 11,0,'2004-09-16',16,132,100,''),
(140,0,'2004-09-18', 0,100,164,''),
( 2,0,'2004-09-17', 7,132,100,''),
(846,0,'2004-09-27',11,132,164,''),
( 1,0,'2004-09-18', 8,132,100,''),
( 22,0,'2004-09-27', 9,164,132,''),
(711,0,'2004-09-27', 9,100,164,''),
( 11,0,'2004-09-18', 0,196,132,''),
( 41,0,'2004-09-27',15,196,132,''),
( 57,0,'2004-09-18', 2,164,196,'');
SELECT DATE_FORMAT(day, '%Y%m%d') as date, DATE_FORMAT(day, '%d-%m-%Y')
as date_formatted FROM t2 GROUP BY day ORDER BY day DESC;
date date_formatted
20040927 27-09-2004
20040918 18-09-2004
20040917 17-09-2004
20040916 16-09-2004
SELECT DATE_FORMAT(day, '%Y%m%d') as date, DATE_FORMAT(day, '%d-%m-%Y')
as date_formatted FROM t2 GROUP BY day ORDER BY day DESC LIMIT 2;
date date_formatted
20040927 27-09-2004
20040918 18-09-2004
drop table t2;
mysql-test/t/ndb_blob.test
View file @ fbf2a6ac
......@@ -308,3 +308,21 @@ rollback;
select count(*) from t1;
drop table t1;
drop database mysqltest;
set autocommit=1;
use test;
CREATE TABLE t1 (
a int,
b text,
PRIMARY KEY (a)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES
(1,'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA');
INSERT INTO t1 VALUES
(2,'BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB');
select * from t1 order by a;
alter table t1 engine=ndb;
select * from t1 order by a;
drop table t1;
mysql-test/t/ndb_limit.test
View file @ fbf2a6ac
......@@ -42,3 +42,41 @@ select count(*) from t2 where c=12345678 limit 1000;
select * from t2 limit 0;
drop table t2;
CREATE TABLE `t2` (
`views` int(11) NOT NULL default '0',
`clicks` int(11) NOT NULL default '0',
`day` date NOT NULL default '0000-00-00',
`hour` tinyint(4) NOT NULL default '0',
`bannerid` smallint(6) NOT NULL default '0',
`zoneid` smallint(6) NOT NULL default '0',
`source` varchar(50) NOT NULL default '',
PRIMARY KEY (`day`,`hour`,`bannerid`,`zoneid`,`source`),
KEY `bannerid_day` (`bannerid`,`day`),
KEY `zoneid` (`zoneid`)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1;
INSERT INTO `t2` VALUES
( 1,0,'2004-09-17', 5,100,100,''),
( 1,0,'2004-09-18', 7,100,100,''),
( 17,0,'2004-09-27',20,132,100,''),
( 4,0,'2004-09-16',23,132,100,''),
( 86,0,'2004-09-18', 7,196,196,''),
( 11,0,'2004-09-16',16,132,100,''),
(140,0,'2004-09-18', 0,100,164,''),
( 2,0,'2004-09-17', 7,132,100,''),
(846,0,'2004-09-27',11,132,164,''),
( 1,0,'2004-09-18', 8,132,100,''),
( 22,0,'2004-09-27', 9,164,132,''),
(711,0,'2004-09-27', 9,100,164,''),
( 11,0,'2004-09-18', 0,196,132,''),
( 41,0,'2004-09-27',15,196,132,''),
( 57,0,'2004-09-18', 2,164,196,'');
SELECT DATE_FORMAT(day, '%Y%m%d') as date, DATE_FORMAT(day, '%d-%m-%Y')
as date_formatted FROM t2 GROUP BY day ORDER BY day DESC;
SELECT DATE_FORMAT(day, '%Y%m%d') as date, DATE_FORMAT(day, '%d-%m-%Y')
as date_formatted FROM t2 GROUP BY day ORDER BY day DESC LIMIT 2;
drop table t2;
ndb/src/kernel/blocks/backup/restore/Restore.cpp
View file @ fbf2a6ac
......@@ -88,7 +88,7 @@ RestoreMetaData::~RestoreMetaData(){
allTables.clear();
}
const TableS *
TableS *
RestoreMetaData::getTable(Uint32 tableId) const {
for(Uint32 i= 0; i < allTables.size(); i++)
if(allTables[i]->getTableId() == tableId)
......@@ -201,6 +201,8 @@ TableS::TableS(NdbTableImpl* tableImpl)
{
m_dictTable = tableImpl;
m_noOfNullable = m_nullBitmaskSize = 0;
m_auto_val_id= ~(Uint32)0;
m_max_auto_val= 0;
for (int i = 0; i < tableImpl->getNoOfColumns(); i++)
createAttr(tableImpl->getColumn(i));
......@@ -269,7 +271,7 @@ int TupleS::getNoOfAttributes() const {
return m_currentTable->getNoOfAttributes();
};
const TableS * TupleS::getTable() const {
TableS * TupleS::getTable() const {
return m_currentTable;
};
......@@ -282,7 +284,7 @@ AttributeData * TupleS::getData(int i) const{
};
bool
TupleS::prepareRecord(const TableS & tab){
TupleS::prepareRecord(TableS & tab){
if (allAttrData) {
if (getNoOfAttributes() == tab.getNoOfAttributes())
{
......@@ -698,6 +700,9 @@ void TableS::createAttr(NdbDictionary::Column *column)
d->attrId = allAttributesDesc.size();
allAttributesDesc.push_back(d);
if (d->m_column->getAutoIncrement())
m_auto_val_id= d->attrId;
if(d->m_column->getPrimaryKey() /* && not variable */)
{
m_fixedKeys.push_back(d);
......
ndb/src/kernel/blocks/backup/restore/Restore.hpp
View file @ fbf2a6ac
......@@ -91,9 +91,9 @@ class TupleS {
private:
friend class RestoreDataIterator;
const TableS *m_currentTable;
TableS *m_currentTable;
AttributeData *allAttrData;
bool prepareRecord(const TableS &);
bool prepareRecord(TableS &);
public:
TupleS() {
......@@ -108,7 +108,7 @@ public:
TupleS(const TupleS& tuple); // disable copy constructor
TupleS & operator=(const TupleS& tuple);
int getNoOfAttributes() const;
const TableS * getTable() const;
TableS * getTable() const;
const AttributeDesc * getDesc(int i) const;
AttributeData * getData(int i) const;
}; // class TupleS
......@@ -130,6 +130,9 @@ class TableS {
Uint32 m_noOfNullable;
Uint32 m_nullBitmaskSize;
Uint32 m_auto_val_id;
Uint64 m_max_auto_val;
int pos;
void createAttr(NdbDictionary::Column *column);
......@@ -170,6 +173,42 @@ public:
return allAttributesDesc.size();
};
bool have_auto_inc() const {
return m_auto_val_id != ~(Uint32)0;
};
bool have_auto_inc(Uint32 id) const {
return m_auto_val_id == id;
};
Uint64 get_max_auto_val() const {
return m_max_auto_val;
};
void update_max_auto_val(const char *data, int size) {
Uint64 val= 0;
switch(size){
case 8:
val= *(Uint8*)data;
break;
case 16:
val= *(Uint16*)data;
break;
case 24:
val= (0xffffff)&*(Uint32*)data;
break;
case 32:
val= *(Uint32*)data;
break;
case 64:
val= *(Uint64*)data;
break;
default:
return;
};
if(val > m_max_auto_val)
m_max_auto_val= val;
};
/**
* Get attribute descriptor
*/
......@@ -245,7 +284,7 @@ public:
Uint32 getNoOfTables() const { return allTables.size();}
const TableS * operator[](int i) const { return allTables[i];}
const TableS * getTable(Uint32 tableId) const;
TableS * getTable(Uint32 tableId) const;
Uint32 getStopGCP() const;
}; // RestoreMetaData
......@@ -254,7 +293,7 @@ public:
class RestoreDataIterator : public BackupFile {
const RestoreMetaData & m_metaData;
Uint32 m_count;
const TableS* m_currentTable;
TableS* m_currentTable;
TupleS m_tuple;
public:
......@@ -278,7 +317,7 @@ public:
LE_UPDATE
};
EntryType m_type;
const TableS * m_table;
TableS * m_table;
Vector<AttributeS*> m_values;
Vector<AttributeS*> m_values_e;
AttributeS *add_attr() {
......
ndb/src/kernel/blocks/backup/restore/consumer.hpp
View file @ fbf2a6ac
......@@ -30,6 +30,7 @@ public:
virtual void endOfTuples(){}
virtual void logEntry(const LogEntry &){}
virtual void endOfLogEntrys(){}
virtual bool finalize_table(const TableS &){return true;}
};
#endif
ndb/src/kernel/blocks/backup/restore/consumer_restore.cpp
View file @ fbf2a6ac
......@@ -130,6 +130,21 @@ BackupRestore::get_table(const NdbDictionary::Table* tab){
return m_cache.m_new_table;
}
bool
BackupRestore::finalize_table(const TableS & table){
bool ret= true;
if (!m_restore && !m_restore_meta)
return ret;
if (table.have_auto_inc())
{
Uint64 max_val= table.get_max_auto_val();
Uint64 auto_val= m_ndb->readAutoIncrementValue(get_table(table.m_dictTable));
if (max_val+1 > auto_val || auto_val == ~(Uint64)0)
ret= m_ndb->setAutoIncrementValue(get_table(table.m_dictTable), max_val+1, false);
}
return ret;
}
bool
BackupRestore::table(const TableS & table){
if (!m_restore && !m_restore_meta)
......@@ -179,6 +194,9 @@ BackupRestore::table(const TableS & table){
err << "Unable to find table: " << split[2].c_str() << endl;
return false;
}
if(m_restore_meta){
m_ndb->setAutoIncrementValue(tab, ~(Uint64)0, false);
}
const NdbDictionary::Table* null = 0;
m_new_tables.fill(table.m_dictTable->getTableId(), null);
m_new_tables[table.m_dictTable->getTableId()] = tab;
......@@ -316,6 +334,10 @@ void BackupRestore::tuple_a(restore_callback_t *cb)
int arraySize = attr_desc->arraySize;
char * dataPtr = attr_data->string_value;
Uint32 length = (size * arraySize) / 8;
if (j == 0 && tup.getTable()->have_auto_inc(i))
tup.getTable()->update_max_auto_val(dataPtr,size);
if (attr_desc->m_column->getPrimaryKey())
{
if (j == 1) continue;
......@@ -510,8 +532,11 @@ BackupRestore::logEntry(const LogEntry & tup)
int arraySize = attr->Desc->arraySize;
const char * dataPtr = attr->Data.string_value;
if (tup.m_table->have_auto_inc(attr->Desc->attrId))
tup.m_table->update_max_auto_val(dataPtr,size);
const Uint32 length = (size / 8) * arraySize;
if (attr->Desc->m_column->getPrimaryKey())
if (attr->Desc->m_column->getPrimaryKey())
op->equal(attr->Desc->attrId, dataPtr, length);
else
op->setValue(attr->Desc->attrId, dataPtr, length);
......
ndb/src/kernel/blocks/backup/restore/consumer_restore.hpp
View file @ fbf2a6ac
......@@ -59,6 +59,7 @@ public:
virtual void endOfTuples();
virtual void logEntry(const LogEntry &);
virtual void endOfLogEntrys();
virtual bool finalize_table(const TableS &);
void connectToMysql();
Ndb * m_ndb;
bool m_restore;
......
ndb/src/kernel/blocks/backup/restore/main.cpp
View file @ fbf2a6ac
......@@ -355,6 +355,20 @@ main(int argc, const char** argv)
logIter.validateFooter(); //not implemented
for (i= 0; i < g_consumers.size(); i++)
g_consumers[i]->endOfLogEntrys();
for(i = 0; i<metaData.getNoOfTables(); i++)
{
if (checkSysTable(metaData[i]->getTableName()))
{
for(Uint32 j= 0; j < g_consumers.size(); j++)
if (!g_consumers[j]->finalize_table(* metaData[i]))
{
ndbout_c("Restore: Failed to finalize restore table: %s. "
"Exiting...",
metaData[i]->getTableName());
return -11;
}
}
}
}
}
clearConsumers();
......
sql/ha_ndbcluster.cc
View file @ fbf2a6ac
......@@ -399,7 +399,7 @@ int ha_ndbcluster::set_ndb_key(NdbOperation *ndb_op, Field *field,
*/
int ha_ndbcluster::set_ndb_value(NdbOperation *ndb_op, Field *field,
uint fieldnr)
uint fieldnr, bool *set_blob_value)
{
const byte* field_ptr= field->ptr;
uint32 pack_len= field->pack_length();
......@@ -444,6 +444,8 @@ int ha_ndbcluster::set_ndb_value(NdbOperation *ndb_op, Field *field,
(unsigned)blob_ptr, blob_len));
DBUG_DUMP("value", (char*)blob_ptr, min(blob_len, 26));
if (set_blob_value)
*set_blob_value= true;
// No callback needed to write value
DBUG_RETURN(ndb_blob->setValue(blob_ptr, blob_len) != 0);
}
......@@ -1593,11 +1595,12 @@ int ha_ndbcluster::write_row(byte *record)
}
// Set non-key attribute(s)
bool set_blob_value= false;
for (i= 0; i < table->fields; i++)
{
Field *field= table->field[i];
if (!(field->flags & PRI_KEY_FLAG) &&
set_ndb_value(op, field, i))
set_ndb_value(op, field, i, &set_blob_value))
{
skip_auto_increment= true;
ERR_RETURN(op->getNdbError());
......@@ -1616,7 +1619,7 @@ int ha_ndbcluster::write_row(byte *record)
bulk_insert_not_flushed= true;
if ((rows_to_insert == 1) ||
((rows_inserted % bulk_insert_rows) == 0) ||
uses_blob_value(false) != 0)
set_blob_value)
{
THD *thd= current_thd;
// Send rows to NDB
......
sql/ha_ndbcluster.h
View file @ fbf2a6ac
......@@ -210,7 +210,7 @@ class ha_ndbcluster: public handler
uint fieldnr, const byte* field_ptr);
int set_ndb_key(NdbOperation*, Field *field,
uint fieldnr, const byte* field_ptr);
int set_ndb_value(NdbOperation*, Field *field, uint fieldnr);
int set_ndb_value(NdbOperation*, Field *field, uint fieldnr, bool *set_blob_value= 0);
int get_ndb_value(NdbOperation*, Field *field, uint fieldnr, byte*);
friend int g_get_ndb_blobs_value(NdbBlob *ndb_blob, void *arg);
int get_ndb_blobs_value(NdbBlob *last_ndb_blob);
......
sql/sql_select.cc
View file @ fbf2a6ac
......@@ -6923,7 +6923,10 @@ static int test_if_order_by_key(ORDER *order, TABLE *table, uint idx,
reverse=flag; // Remember if reverse
key_part++;
}
*used_key_parts= (uint) (key_part - table->key_info[idx].key_part);
uint tmp= (uint) (key_part - table->key_info[idx].key_part);
if (reverse == -1 && !(table->file->index_flags(idx,tmp-1, 1) & HA_READ_PREV))
DBUG_RETURN(0);
*used_key_parts= tmp;
DBUG_RETURN(reverse);
}
......@@ -7120,10 +7123,6 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
*/
if (!select->quick->reverse_sorted())
{
// here used_key_parts >0
if (!(table->file->index_flags(ref_key,used_key_parts-1, 1)
& HA_READ_PREV))
DBUG_RETURN(0); // Use filesort
// ORDER BY range_key DESC
QUICK_SELECT_DESC *tmp=new QUICK_SELECT_DESC(select->quick,
used_key_parts);
......@@ -7144,9 +7143,6 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
Use a traversal function that starts by reading the last row
with key part (A) and then traverse the index backwards.
*/
if (!(table->file->index_flags(ref_key,used_key_parts-1, 1)
& HA_READ_PREV))
DBUG_RETURN(0); // Use filesort
tab->read_first_record= join_read_last_key;
tab->read_record.read_record= join_read_prev_same;
/* fall through */
......@@ -7192,7 +7188,7 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
if (keys.is_set(nr))
{
int flag;
if ((flag=test_if_order_by_key(order, table, nr, &not_used)))
if (flag=test_if_order_by_key(order, table, nr, &not_used))
{
if (!no_changes)
{
......
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