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Merge rkalimullin@bk-internal.mysql.com:/home/bk/mysql-5.0

Browse source 
into mysql.com:/usr/home/ram/work/5.0.bit_class
This commit is contained in:
ramil@mysql.com 2005-04-12 12:30:09 +05:00
commit 3b1c3d8c68
12 changed files with 682 additions and 23 deletions
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2
mysql-test/r/innodb.result
View file

@ -2382,5 +2382,3 @@ drop table t1;
set storage_engine=MyISAM;
create table t1 (v varchar(16384)) engine=innodb;
drop table t1;
create table t1 (a bit, key(a)) engine=innodb;
ERROR 42000: The storage engine for the table doesn't support BIT FIELD

57
mysql-test/r/type_bit.result
View file

@ -380,3 +380,60 @@ drop table t1;
create table t1(a int, b bit not null);
alter table t1 add primary key (a);
drop table t1;
create table t1 (a bit(19), b bit(5));
insert into t1 values (1000, 10), (3, 8), (200, 6), (2303, 2), (12345, 4), (1, 0);
select a+0, b+0 from t1;
a+0 b+0
1000 10
3 8
200 6
2303 2
12345 4
1 0
alter table t1 engine=heap;
select a+0, b+0 from t1;
a+0 b+0
1000 10
3 8
200 6
2303 2
12345 4
1 0
alter table t1 add key(a, b);
select a+0, b+0 from t1;
a+0 b+0
1000 10
3 8
200 6
2303 2
12345 4
1 0
alter table t1 engine=myisam;
select a+0, b+0 from t1;
a+0 b+0
1 0
3 8
200 6
1000 10
2303 2
12345 4
create table t2 engine=heap select * from t1;
select a+0, b+0 from t2;
a+0 b+0
1 0
3 8
200 6
1000 10
2303 2
12345 4
drop table t1;
create table t1 select * from t2;
select a+0, b+0 from t1;
a+0 b+0
1 0
3 8
200 6
1000 10
2303 2
12345 4
drop table t1, t2;

382
mysql-test/r/type_bit_innodb.result Normal file
View file

@ -0,0 +1,382 @@
select 0 + b'1';
0 + b'1'
1
select 0 + b'0';
0 + b'0'
0
select 0 + b'000001';
0 + b'000001'
1
select 0 + b'000011';
0 + b'000011'
3
select 0 + b'000101';
0 + b'000101'
5
select 0 + b'000000';
0 + b'000000'
0
select 0 + b'10000000';
0 + b'10000000'
128
select 0 + b'11111111';
0 + b'11111111'
255
select 0 + b'10000001';
0 + b'10000001'
129
select 0 + b'1000000000000000';
0 + b'1000000000000000'
32768
select 0 + b'1111111111111111';
0 + b'1111111111111111'
65535
select 0 + b'1000000000000001';
0 + b'1000000000000001'
32769
drop table if exists t1;
create table t1 (a bit(65)) engine=innodb;
ERROR 42000: Column length too big for column 'a' (max = 64); use BLOB or TEXT instead
create table t1 (a bit(0)) engine=innodb;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bit(1) default NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a bit(64)) engine=innodb;
insert into t1 values
(b'1111111111111111111111111111111111111111111111111111111111111111'),
(b'1000000000000000000000000000000000000000000000000000000000000000'),
(b'0000000000000000000000000000000000000000000000000000000000000001'),
(b'1010101010101010101010101010101010101010101010101010101010101010'),
(b'0101010101010101010101010101010101010101010101010101010101010101');
select hex(a) from t1;
hex(a)
FFFFFFFFFFFFFFFF
8000000000000000
1
AAAAAAAAAAAAAAAA
5555555555555555
drop table t1;
create table t1 (a bit) engine=innodb;
insert into t1 values (b'0'), (b'1'), (b'000'), (b'100'), (b'001');
Warnings:
Warning 1264 Out of range value adjusted for column 'a' at row 4
select hex(a) from t1;
hex(a)
0
1
0
1
1
alter table t1 add unique (a);
ERROR 23000: Duplicate entry '' for key 1
drop table t1;
create table t1 (a bit(2)) engine=innodb;
insert into t1 values (b'00'), (b'01'), (b'10'), (b'100');
Warnings:
Warning 1264 Out of range value adjusted for column 'a' at row 4
select a+0 from t1;
a+0
0
1
2
3
alter table t1 add key (a);
explain select a+0 from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 2 NULL 4 Using index
select a+0 from t1;
a+0
0
1
2
3
drop table t1;
create table t1 (a bit(7), b bit(9), key(a, b)) engine=innodb;
insert into t1 values
(94, 46), (31, 438), (61, 152), (78, 123), (88, 411), (122, 118), (0, 177),
(75, 42), (108, 67), (79, 349), (59, 188), (68, 206), (49, 345), (118, 380),
(111, 368), (94, 468), (56, 379), (77, 133), (29, 399), (9, 363), (23, 36),
(116, 390), (119, 368), (87, 351), (123, 411), (24, 398), (34, 202), (28, 499),
(30, 83), (5, 178), (60, 343), (4, 245), (104, 280), (106, 446), (127, 403),
(44, 307), (68, 454), (57, 135);
explain select a+0 from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 5 NULL 38 Using index
select a+0 from t1;
a+0
0
4
5
9
23
24
28
29
30
31
34
44
49
56
57
59
60
61
68
68
75
77
78
79
87
88
94
94
104
106
108
111
116
118
119
122
123
127
explain select b+0 from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 5 NULL 38 Using index
select b+0 from t1;
b+0
177
245
178
363
36
398
499
399
83
438
202
307
345
379
135
188
343
152
206
454
42
133
123
349
351
411
46
468
280
446
67
368
390
380
368
118
411
403
explain select a+0, b+0 from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL a 5 NULL 38 Using index
select a+0, b+0 from t1;
a+0 b+0
0 177
4 245
5 178
9 363
23 36
24 398
28 499
29 399
30 83
31 438
34 202
44 307
49 345
56 379
57 135
59 188
60 343
61 152
68 206
68 454
75 42
77 133
78 123
79 349
87 351
88 411
94 46
94 468
104 280
106 446
108 67
111 368
116 390
118 380
119 368
122 118
123 411
127 403
explain select a+0, b+0 from t1 where a > 40 and b > 200 order by 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 2 NULL 19 Using where; Using index; Using filesort
select a+0, b+0 from t1 where a > 40 and b > 200 order by 1;
a+0 b+0
44 307
49 345
56 379
60 343
68 206
68 454
79 349
87 351
88 411
94 468
104 280
106 446
111 368
116 390
118 380
119 368
123 411
127 403
explain select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 2 NULL 8 Using where; Using index; Using filesort
select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
a+0 b+0
57 135
61 152
59 188
68 206
44 307
60 343
49 345
56 379
68 454
set @@max_length_for_sort_data=0;
select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
a+0 b+0
57 135
61 152
59 188
68 206
44 307
60 343
49 345
56 379
68 454
select hex(min(a)) from t1;
hex(min(a))
0
select hex(min(b)) from t1;
hex(min(b))
24
select hex(min(a)), hex(max(a)), hex(min(b)), hex(max(b)) from t1;
hex(min(a)) hex(max(a)) hex(min(b)) hex(max(b))
0 7F 24 1F3
drop table t1;
create table t1 (a int not null, b bit, c bit(9), key(a, b, c)) engine=innodb;
insert into t1 values
(4, NULL, 1), (4, 0, 3), (2, 1, 4), (1, 1, 100), (4, 0, 23), (4, 0, 54),
(56, 0, 22), (4, 1, 100), (23, 0, 1), (4, 0, 34);
select a+0, b+0, c+0 from t1;
a+0 b+0 c+0
1 1 100
2 1 4
4 NULL 1
4 0 3
4 0 23
4 0 34
4 0 54
4 1 100
23 0 1
56 0 22
select hex(min(b)) from t1 where a = 4;
hex(min(b))
0
select hex(min(c)) from t1 where a = 4 and b = 0;
hex(min(c))
3
select hex(max(b)) from t1;
hex(max(b))
1
select a+0, b+0, c+0 from t1 where a = 4 and b = 0 limit 2;
a+0 b+0 c+0
4 0 3
4 0 23
select a+0, b+0, c+0 from t1 where a = 4 and b = 1;
a+0 b+0 c+0
4 1 100
select a+0, b+0, c+0 from t1 where a = 4 and b = 1 and c=100;
a+0 b+0 c+0
4 1 100
select a+0, b+0, c+0 from t1 order by b desc;
a+0 b+0 c+0
2 1 4
1 1 100
4 1 100
4 0 3
4 0 23
4 0 54
56 0 22
23 0 1
4 0 34
4 NULL 1
select a+0, b+0, c+0 from t1 order by c;
a+0 b+0 c+0
4 NULL 1
23 0 1
4 0 3
2 1 4
56 0 22
4 0 23
4 0 34
4 0 54
1 1 100
4 1 100
drop table t1;
create table t1(a bit(2), b bit(2)) engine=innodb;
insert into t1 (a) values (0x01), (0x03), (0x02);
update t1 set b= concat(a);
select a+0, b+0 from t1;
a+0 b+0
1 1
3 3
2 2
drop table t1;
create table t1 (a bit(7), key(a)) engine=innodb;
insert into t1 values (44), (57);
select a+0 from t1;
a+0
44
57
drop table t1;
create table t1 (a bit(3), b bit(12)) engine=innodb;
insert into t1 values (7,(1<<12)-2), (0x01,0x01ff);
select hex(a),hex(b) from t1;
hex(a) hex(b)
7 FFE
1 1FF
select hex(concat(a)),hex(concat(b)) from t1;
hex(concat(a)) hex(concat(b))
07 0FFE
01 01FF
drop table t1;
create table t1(a int, b bit not null) engine=innodb;
alter table t1 add primary key (a);
drop table t1;

5
mysql-test/t/innodb.test
View file

@ -1300,8 +1300,3 @@ eval set storage_engine=$default;
# InnoDB specific varchar tests
create table t1 (v varchar(16384)) engine=innodb;
drop table t1;
# The following should be moved to type_bit.test when innodb will support it
--error 1178
create table t1 (a bit, key(a)) engine=innodb;

20
mysql-test/t/type_bit.test
View file

@ -120,3 +120,23 @@ drop table t1;
create table t1(a int, b bit not null);
alter table t1 add primary key (a);
drop table t1;
#
# myisam <-> heap
#
create table t1 (a bit(19), b bit(5));
insert into t1 values (1000, 10), (3, 8), (200, 6), (2303, 2), (12345, 4), (1, 0);
select a+0, b+0 from t1;
alter table t1 engine=heap;
select a+0, b+0 from t1;
alter table t1 add key(a, b);
select a+0, b+0 from t1;
alter table t1 engine=myisam;
select a+0, b+0 from t1;
create table t2 engine=heap select * from t1;
select a+0, b+0 from t2;
drop table t1;
create table t1 select * from t2;
select a+0, b+0 from t1;
drop table t1, t2;

123
mysql-test/t/type_bit_innodb.test Normal file
View file

@ -0,0 +1,123 @@
--source include/have_innodb.inc
#
# testing of the BIT column type
#
select 0 + b'1';
select 0 + b'0';
select 0 + b'000001';
select 0 + b'000011';
select 0 + b'000101';
select 0 + b'000000';
select 0 + b'10000000';
select 0 + b'11111111';
select 0 + b'10000001';
select 0 + b'1000000000000000';
select 0 + b'1111111111111111';
select 0 + b'1000000000000001';
--disable_warnings
drop table if exists t1;
--enable_warnings
--error 1074
create table t1 (a bit(65)) engine=innodb;
create table t1 (a bit(0)) engine=innodb;
show create table t1;
drop table t1;
create table t1 (a bit(64)) engine=innodb;
insert into t1 values
(b'1111111111111111111111111111111111111111111111111111111111111111'),
(b'1000000000000000000000000000000000000000000000000000000000000000'),
(b'0000000000000000000000000000000000000000000000000000000000000001'),
(b'1010101010101010101010101010101010101010101010101010101010101010'),
(b'0101010101010101010101010101010101010101010101010101010101010101');
select hex(a) from t1;
drop table t1;
create table t1 (a bit) engine=innodb;
insert into t1 values (b'0'), (b'1'), (b'000'), (b'100'), (b'001');
select hex(a) from t1;
--error 1062
alter table t1 add unique (a);
drop table t1;
create table t1 (a bit(2)) engine=innodb;
insert into t1 values (b'00'), (b'01'), (b'10'), (b'100');
select a+0 from t1;
alter table t1 add key (a);
explain select a+0 from t1;
select a+0 from t1;
drop table t1;
create table t1 (a bit(7), b bit(9), key(a, b)) engine=innodb;
insert into t1 values
(94, 46), (31, 438), (61, 152), (78, 123), (88, 411), (122, 118), (0, 177),
(75, 42), (108, 67), (79, 349), (59, 188), (68, 206), (49, 345), (118, 380),
(111, 368), (94, 468), (56, 379), (77, 133), (29, 399), (9, 363), (23, 36),
(116, 390), (119, 368), (87, 351), (123, 411), (24, 398), (34, 202), (28, 499),
(30, 83), (5, 178), (60, 343), (4, 245), (104, 280), (106, 446), (127, 403),
(44, 307), (68, 454), (57, 135);
explain select a+0 from t1;
select a+0 from t1;
explain select b+0 from t1;
select b+0 from t1;
explain select a+0, b+0 from t1;
select a+0, b+0 from t1;
explain select a+0, b+0 from t1 where a > 40 and b > 200 order by 1;
select a+0, b+0 from t1 where a > 40 and b > 200 order by 1;
explain select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
set @@max_length_for_sort_data=0;
select a+0, b+0 from t1 where a > 40 and a < 70 order by 2;
select hex(min(a)) from t1;
select hex(min(b)) from t1;
select hex(min(a)), hex(max(a)), hex(min(b)), hex(max(b)) from t1;
drop table t1;
create table t1 (a int not null, b bit, c bit(9), key(a, b, c)) engine=innodb;
insert into t1 values
(4, NULL, 1), (4, 0, 3), (2, 1, 4), (1, 1, 100), (4, 0, 23), (4, 0, 54),
(56, 0, 22), (4, 1, 100), (23, 0, 1), (4, 0, 34);
select a+0, b+0, c+0 from t1;
select hex(min(b)) from t1 where a = 4;
select hex(min(c)) from t1 where a = 4 and b = 0;
select hex(max(b)) from t1;
select a+0, b+0, c+0 from t1 where a = 4 and b = 0 limit 2;
select a+0, b+0, c+0 from t1 where a = 4 and b = 1;
select a+0, b+0, c+0 from t1 where a = 4 and b = 1 and c=100;
select a+0, b+0, c+0 from t1 order by b desc;
select a+0, b+0, c+0 from t1 order by c;
drop table t1;
create table t1(a bit(2), b bit(2)) engine=innodb;
insert into t1 (a) values (0x01), (0x03), (0x02);
update t1 set b= concat(a);
select a+0, b+0 from t1;
drop table t1;
# Some magic numbers
create table t1 (a bit(7), key(a)) engine=innodb;
insert into t1 values (44), (57);
select a+0 from t1;
drop table t1;
#
# Test conversion to and from strings
#
create table t1 (a bit(3), b bit(12)) engine=innodb;
insert into t1 values (7,(1<<12)-2), (0x01,0x01ff);
select hex(a),hex(b) from t1;
select hex(concat(a)),hex(concat(b)) from t1;
drop table t1;
#
# Bug #9571: problem with primary key creation
#
create table t1(a int, b bit not null) engine=innodb;
alter table t1 add primary key (a);
drop table t1;

72
sql/field.cc
View file

@ -7945,6 +7945,58 @@ const char *Field_bit::unpack(char *to, const char *from)
}
/*
Bit field support for non-MyISAM tables.
*/
Field_bit_as_char::Field_bit_as_char(char *ptr_arg, uint32 len_arg,
uchar *null_ptr_arg, uchar null_bit_arg,
uchar *bit_ptr_arg, uchar bit_ofs_arg,
enum utype unireg_check_arg,
const char *field_name_arg,
struct st_table *table_arg)
: Field_bit(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, bit_ptr_arg,
bit_ofs_arg, unireg_check_arg, field_name_arg, table_arg),
create_length(len_arg)
{
bit_ptr= 0;
bit_ofs= 0;
bit_len= 0;
field_length= ((len_arg + 7) & ~7) / 8;
}
int Field_bit_as_char::store(const char *from, uint length, CHARSET_INFO *cs)
{
int delta;
uchar bits= create_length & 7;
for (; !*from && length; from++, length--); // skip left 0's
delta= field_length - length;
if (delta < 0 ||
(delta == 0 && bits && (uint) (uchar) *from >= (uint) (1 << bits)))
{
memset(ptr, 0xff, field_length);
*ptr&= ((1 << bits) - 1); /* set first byte */
set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_OUT_OF_RANGE, 1);
return 1;
}
bzero(ptr, delta);
memcpy(ptr + delta, from, length);
return 0;
}
void Field_bit_as_char::sql_type(String &res) const
{
CHARSET_INFO *cs= res.charset();
ulong length= cs->cset->snprintf(cs, (char*) res.ptr(), res.alloced_length(),
"bit(%d)", (int) create_length);
res.length((uint) length);
}
/*****************************************************************************
Handling of field and create_field
*****************************************************************************/
@ -7970,9 +8022,16 @@ void create_field::create_length_to_internal_length(void)
key_length= pack_length;
break;
case MYSQL_TYPE_BIT:
pack_length= calc_pack_length(sql_type, length);
/* We need one extra byte to store the bits we save among the null bits */
key_length= pack_length+ test(length & 7);
if (f_bit_as_char(pack_flag))
{
key_length= pack_length= ((length + 7) & ~7) / 8;
}
else
{
pack_length= length / 8;
/* We need one extra byte to store the bits we save among the null bits */
key_length= pack_length + test(length & 7);
}
break;
case MYSQL_TYPE_NEWDECIMAL:
key_length= pack_length= my_decimal_get_binary_size(length, decimals);
@ -8086,7 +8145,7 @@ Field *make_field(char *ptr, uint32 field_length,
uchar bit_offset;
LINT_INIT(bit_ptr);
LINT_INIT(bit_offset);
if (field_type == FIELD_TYPE_BIT)
if (field_type == FIELD_TYPE_BIT && !f_bit_as_char(pack_flag))
{
bit_ptr= null_pos;
bit_offset= null_bit;
@ -8236,7 +8295,10 @@ Field *make_field(char *ptr, uint32 field_length,
case FIELD_TYPE_NULL:
return new Field_null(ptr,field_length,unireg_check,field_name,table, field_charset);
case FIELD_TYPE_BIT:
return new Field_bit(ptr, field_length, null_pos, null_bit, bit_ptr,
return f_bit_as_char(pack_flag) ?
new Field_bit_as_char(ptr, field_length, null_pos, null_bit, bit_ptr,
bit_offset, unireg_check, field_name, table) :
new Field_bit(ptr, field_length, null_pos, null_bit, bit_ptr,
bit_offset, unireg_check, field_name, table);
default: // Impossible (Wrong version)
break;

19
sql/field.h
View file

@ -1312,6 +1312,22 @@ public:
};
class Field_bit_as_char: public Field_bit {
protected:
uchar create_length;
public:
Field_bit_as_char(char *ptr_arg, uint32 len_arg, uchar *null_ptr_arg,
uchar null_bit_arg, uchar *bit_ptr_arg, uchar bit_ofs_arg,
enum utype unireg_check_arg, const char *field_name_arg,
struct st_table *table_arg);
enum ha_base_keytype key_type() const { return HA_KEYTYPE_BINARY; }
int store(const char *to, uint length, CHARSET_INFO *charset);
int store(double nr) { return Field_bit::store(nr); }
int store(longlong nr) { return Field_bit::store(nr); }
void sql_type(String &str) const;
};
/*
Create field class for CREATE TABLE
*/
@ -1415,6 +1431,8 @@ int set_field_to_null_with_conversions(Field *field, bool no_conversions);
#define FIELDFLAG_BLOB 1024 // mangled with decimals!
#define FIELDFLAG_GEOM 2048 // mangled with decimals!
#define FIELDFLAG_TREAT_BIT_AS_CHAR 4096 /* use Field_bit_as_char */
#define FIELDFLAG_LEFT_FULLSCREEN 8192
#define FIELDFLAG_RIGHT_FULLSCREEN 16384
#define FIELDFLAG_FORMAT_NUMBER 16384 // predit: ###,,## in output
@ -1445,3 +1463,4 @@ int set_field_to_null_with_conversions(Field *field, bool no_conversions);
#define f_settype(x) (((int) x) << FIELDFLAG_PACK_SHIFT)
#define f_maybe_null(x) (x & FIELDFLAG_MAYBE_NULL)
#define f_no_default(x) (x & FIELDFLAG_NO_DEFAULT)
#define f_bit_as_char(x) ((x) & FIELDFLAG_TREAT_BIT_AS_CHAR)

3
sql/field_conv.cc
View file

@ -511,7 +511,7 @@ void (*Copy_field::get_copy_func(Field *to,Field *from))(Copy_field*)
/*
If we are copying date or datetime's we have to check the dates
if we don't allow 'all' dates.
p */
*/
if (to->real_type() != from->real_type() ||
!compatible_db_low_byte_first ||
((to->table->in_use->variables.sql_mode &
@ -594,6 +594,7 @@ void field_conv(Field *to,Field *from)
!(to->flags & UNSIGNED_FLAG && !(from->flags & UNSIGNED_FLAG)) &&
to->real_type() != FIELD_TYPE_ENUM &&
to->real_type() != FIELD_TYPE_SET &&
to->real_type() != FIELD_TYPE_BIT &&
(to->real_type() != FIELD_TYPE_NEWDECIMAL ||
(to->field_length == from->field_length &&
(((Field_num*)to)->dec == ((Field_num*)from)->dec))) &&

2
sql/ha_innodb.cc
View file

@ -2233,6 +2233,7 @@ innobase_mysql_cmp(
switch (mysql_tp) {
case MYSQL_TYPE_BIT:
case MYSQL_TYPE_STRING:
case MYSQL_TYPE_VAR_STRING:
case FIELD_TYPE_TINY_BLOB:
@ -2342,6 +2343,7 @@ get_innobase_type_from_mysql_type(
} else {
return(DATA_VARMYSQL);
}
case MYSQL_TYPE_BIT:
case MYSQL_TYPE_STRING: if (field->binary()) {
return(DATA_FIXBINARY);

18
sql/sql_table.cc
View file

@ -563,12 +563,7 @@ int prepare_create_field(create_field *sql_field,
sql_field->pack_flag=f_settype((uint) sql_field->sql_type);
break;
case FIELD_TYPE_BIT:
if (!(table_flags & HA_CAN_BIT_FIELD))
{
my_error(ER_CHECK_NOT_IMPLEMENTED, MYF(0), "BIT FIELD");
DBUG_RETURN(1);
}
sql_field->pack_flag= FIELDFLAG_NUMBER;
sql_field->pack_flag|= FIELDFLAG_NUMBER;
break;
case FIELD_TYPE_NEWDECIMAL:
sql_field->pack_flag=(FIELDFLAG_NUMBER |
@ -774,6 +769,14 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
set_if_smaller(sql_field->length, MAX_FIELD_WIDTH-1);
}
if (sql_field->sql_type == FIELD_TYPE_BIT)
{
if (file->table_flags() & HA_CAN_BIT_FIELD)
total_uneven_bit_length+= sql_field->length & 7;
else
sql_field->pack_flag|= FIELDFLAG_TREAT_BIT_AS_CHAR;
}
sql_field->create_length_to_internal_length();
if (sql_field->length > MAX_FIELD_VARCHARLENGTH &&
!(sql_field->flags & BLOB_FLAG))
@ -810,9 +813,6 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
if (!(sql_field->flags & NOT_NULL_FLAG))
null_fields++;
if (sql_field->sql_type == FIELD_TYPE_BIT)
total_uneven_bit_length+= sql_field->length & 7;
if (check_column_name(sql_field->field_name))
{
my_error(ER_WRONG_COLUMN_NAME, MYF(0), sql_field->field_name);

2
sql/table.cc
View file

@ -568,7 +568,7 @@ int openfrm(THD *thd, const char *name, const char *alias, uint db_stat,
goto err; /* purecov: inspected */
}
reg_field->comment=comment;
if (field_type == FIELD_TYPE_BIT)
if (field_type == FIELD_TYPE_BIT && !f_bit_as_char(pack_flag))
{
if ((null_bit_pos+= field_length & 7) > 7)
{