Skip to content

M
MariaDB
Commit dd99f5db authored by Michael Widenius's avatar Michael Widenius
Browse files
Options

Automatic merge with 5.3 (support of BIT keys in heap)

parents 1ace5937 8adb124d
Hide whitespace changes
Inline Side-by-side
Showing with 177 additions and 4 deletions
mysql-test/r/heap_btree.result
View file @ dd99f5db
......@@ -344,3 +344,38 @@ INSERT INTO t1 VALUES(1),(1);
DELETE a1 FROM t1 AS a1, t1 AS a2 WHERE a1.a=a2.a;
DROP TABLE t1;
End of 5.0 tests
# bit index in heap tables
create table t1 (a bit(63) not null) engine=heap;
insert into t1 values (869751),(736494),(226312),(802616),(728912);
alter table t1 add unique uniq_id using BTREE (a);
select 0+a from t1 where a > 736494;
0+a
802616
869751
explain select 0+a from t1 where a > 736494;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uniq_id uniq_id 8 NULL 3 Using where
select 0+a from t1 where a = 736494;
0+a
736494
explain select 0+a from t1 where a = 736494;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const uniq_id uniq_id 8 const 1
select 0+a from t1 where a=869751 or a=736494;
0+a
736494
869751
explain select 0+a from t1 where a=869751 or a=736494;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uniq_id uniq_id 8 NULL 2 Using where
select 0+a from t1 where a in (869751,736494,226312,802616);
0+a
226312
736494
802616
869751
explain select 0+a from t1 where a in (869751,736494,226312,802616);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uniq_id uniq_id 8 NULL 4 Using where
drop table t1;
End of 5.3 tests
mysql-test/r/heap_hash.result
View file @ dd99f5db
......@@ -382,3 +382,38 @@ INSERT INTO t1 VALUES('A ', 'A ');
ERROR 23000: Duplicate entry 'A -A ' for key 'key1'
DROP TABLE t1;
End of 5.0 tests
# bit index in heap tables
create table t1 (a bit(63) not null) engine=heap;
insert into t1 values (869751),(736494),(226312),(802616),(728912);
alter table t1 add unique uniq_id using HASH (a);
select 0+a from t1 where a > 736494;
0+a
869751
802616
explain select 0+a from t1 where a > 736494;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL uniq_id NULL NULL NULL 5 Using where
select 0+a from t1 where a = 736494;
0+a
736494
explain select 0+a from t1 where a = 736494;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const uniq_id uniq_id 8 const 1
select 0+a from t1 where a=869751 or a=736494;
0+a
736494
869751
explain select 0+a from t1 where a=869751 or a=736494;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uniq_id uniq_id 8 NULL 2 Using where
select 0+a from t1 where a in (869751,736494,226312,802616);
0+a
226312
736494
802616
869751
explain select 0+a from t1 where a in (869751,736494,226312,802616);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range uniq_id uniq_id 8 NULL 4 Using where
drop table t1;
End of 5.3 tests
mysql-test/t/heap_btree.test
View file @ dd99f5db
......@@ -263,3 +263,19 @@ DELETE a1 FROM t1 AS a1, t1 AS a2 WHERE a1.a=a2.a;
DROP TABLE t1;
--echo End of 5.0 tests
-- echo # bit index in heap tables
create table t1 (a bit(63) not null) engine=heap;
insert into t1 values (869751),(736494),(226312),(802616),(728912);
alter table t1 add unique uniq_id using BTREE (a);
select 0+a from t1 where a > 736494;
explain select 0+a from t1 where a > 736494;
select 0+a from t1 where a = 736494;
explain select 0+a from t1 where a = 736494;
select 0+a from t1 where a=869751 or a=736494;
explain select 0+a from t1 where a=869751 or a=736494;
select 0+a from t1 where a in (869751,736494,226312,802616);
explain select 0+a from t1 where a in (869751,736494,226312,802616);
drop table t1;
--echo End of 5.3 tests
mysql-test/t/heap_hash.test
View file @ dd99f5db
......@@ -284,3 +284,20 @@ INSERT INTO t1 VALUES('A ', 'A ');
DROP TABLE t1;
--echo End of 5.0 tests
-- echo # bit index in heap tables
create table t1 (a bit(63) not null) engine=heap;
insert into t1 values (869751),(736494),(226312),(802616),(728912);
alter table t1 add unique uniq_id using HASH (a);
select 0+a from t1 where a > 736494;
explain select 0+a from t1 where a > 736494;
select 0+a from t1 where a = 736494;
explain select 0+a from t1 where a = 736494;
select 0+a from t1 where a=869751 or a=736494;
explain select 0+a from t1 where a=869751 or a=736494;
select 0+a from t1 where a in (869751,736494,226312,802616);
explain select 0+a from t1 where a in (869751,736494,226312,802616);
drop table t1;
--echo End of 5.3 tests
storage/heap/ha_heap.cc
View file @ dd99f5db
......@@ -654,7 +654,8 @@ int ha_heap::create(const char *name, TABLE *table_arg,
seg->type != HA_KEYTYPE_VARTEXT1 &&
seg->type != HA_KEYTYPE_VARTEXT2 &&
seg->type != HA_KEYTYPE_VARBINARY1 &&
seg->type != HA_KEYTYPE_VARBINARY2)
seg->type != HA_KEYTYPE_VARBINARY2 &&
seg->type != HA_KEYTYPE_BIT)
seg->type= HA_KEYTYPE_BINARY;
}
seg->start= (uint) key_part->offset;
......@@ -686,6 +687,15 @@ int ha_heap::create(const char *name, TABLE *table_arg,
auto_key= key+ 1;
auto_key_type= field->key_type();
}
if (seg->type == HA_KEYTYPE_BIT)
{
seg->bit_length= ((Field_bit *) field)->bit_len;
seg->bit_start= ((Field_bit *) field)->bit_ofs;
seg->bit_pos= (uint) (((Field_bit *) field)->bit_ptr -
(uchar*) table_arg->record[0]);
}
else
seg->bit_length= seg->bit_start= seg->bit_pos= 0;
}
}
mem_per_row+= MY_ALIGN(share->reclength + 1, sizeof(char*));
......
storage/heap/hp_create.c
View file @ dd99f5db
......@@ -104,6 +104,14 @@ int heap_create(const char *name, uint keys, HP_KEYDEF *keydef,
*/
keyinfo->seg[j].type= HA_KEYTYPE_VARTEXT1;
break;
case HA_KEYTYPE_BIT:
/*
The odd bits which stored separately (if they are present
(bit_pos, bit_length)) are already present in seg[j].length as
additional byte.
See field.h, function key_length()
*/
break;
default:
break;
}
......
storage/heap/hp_hash.c
View file @ dd99f5db
......@@ -349,6 +349,15 @@ ulong hp_rec_hashnr(register HP_KEYDEF *keydef, register const uchar *rec)
}
else
{
if (seg->type == HA_KEYTYPE_BIT && seg->bit_length)
{
uchar bits= get_rec_bits(rec + seg->bit_pos,
seg->bit_start, seg->bit_length);
nr^=(ulong) ((((uint) nr & 63)+nr2)*((uint) bits))+ (nr << 8);
nr2+=3;
end--;
}
for (; pos < end ; pos++)
{
nr^=(ulong) ((((uint) nr & 63)+nr2)*((uint) *pos))+ (nr << 8);
......@@ -465,6 +474,14 @@ ulong hp_rec_hashnr(register HP_KEYDEF *keydef, register const uchar *rec)
else
{
uchar *end= pos+seg->length;
if (seg->type == HA_KEYTYPE_BIT && seg->bit_length)
{
uchar bits= get_rec_bits(rec + seg->bit_pos,
seg->bit_start, seg->bit_length);
nr *=16777619;
nr ^=(uint) bits;
end--;
}
for ( ; pos < end ; pos++)
{
nr *=16777619;
......@@ -577,7 +594,18 @@ int hp_rec_key_cmp(HP_KEYDEF *keydef, const uchar *rec1, const uchar *rec2,
}
else
{
if (bcmp(rec1+seg->start,rec2+seg->start,seg->length))
uint dec= 0;
if (seg->type == HA_KEYTYPE_BIT && seg->bit_length)
{
uchar bits1= get_rec_bits(rec1 + seg->bit_pos,
seg->bit_start, seg->bit_length);
uchar bits2= get_rec_bits(rec2 + seg->bit_pos,
seg->bit_start, seg->bit_length);
if (bits1 != bits2)
return 1;
dec= 1;
}
if (bcmp(rec1 + seg->start, rec2 + seg->start, seg->length - dec))
return 1;
}
}
......@@ -660,7 +688,18 @@ int hp_key_cmp(HP_KEYDEF *keydef, const uchar *rec, const uchar *key)
}
else
{
if (bcmp(rec+seg->start,key,seg->length))
uint dec= 0;
if (seg->type == HA_KEYTYPE_BIT && seg->bit_length)
{
uchar bits= get_rec_bits(rec + seg->bit_pos,
seg->bit_start, seg->bit_length);
if (bits != (*key))
return 1;
dec= 1;
key++;
}
if (bcmp(rec + seg->start, key, seg->length - dec))
return 1;
}
}
......@@ -689,6 +728,12 @@ void hp_make_key(HP_KEYDEF *keydef, uchar *key, const uchar *rec)
}
if (seg->type == HA_KEYTYPE_VARTEXT1)
char_length+= seg->bit_start; /* Copy also length */
else if (seg->type == HA_KEYTYPE_BIT && seg->bit_length)
{
*key++= get_rec_bits(rec + seg->bit_pos,
seg->bit_start, seg->bit_length);
char_length--;
}
memcpy(key,rec+seg->start,(size_t) char_length);
key+= char_length;
}
......@@ -720,7 +765,8 @@ uint hp_rb_make_key(HP_KEYDEF *keydef, uchar *key,
{
uint length= seg->length;
uchar *pos= (uchar*) rec + seg->start;
DBUG_ASSERT(seg->type != HA_KEYTYPE_BIT);
#ifdef HAVE_ISNAN
if (seg->type == HA_KEYTYPE_FLOAT)
{
......@@ -784,6 +830,12 @@ uint hp_rb_make_key(HP_KEYDEF *keydef, uchar *key,
seg->charset->cset->fill(seg->charset, (char*) key + char_length,
seg->length - char_length, ' ');
}
if (seg->type == HA_KEYTYPE_BIT && seg->bit_length)
{
*key++= get_rec_bits(rec + seg->bit_pos,
seg->bit_start, seg->bit_length);
char_length--;
}
memcpy(key, rec + seg->start, (size_t) char_length);
key+= seg->length;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7