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Kirill Smelkov
mariadb
Commits
555eb866
Commit
555eb866
authored
Apr 08, 2004
by
bell@sanja.is.com.ua
Browse files
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merge
parents
ef5f15c3
0ade4017
Changes
21
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Showing
21 changed files
with
1481 additions
and
1311 deletions
+1481
-1311
myisam/myisamdef.h
myisam/myisamdef.h
+1
-0
mysql-test/mysql-test-run.sh
mysql-test/mysql-test-run.sh
+1
-1
mysql-test/r/gis-rtree.result
mysql-test/r/gis-rtree.result
+7
-0
mysql-test/r/grant.result
mysql-test/r/grant.result
+2
-0
mysql-test/t/gis-rtree.test
mysql-test/t/gis-rtree.test
+13
-0
mysql-test/t/grant.test
mysql-test/t/grant.test
+2
-0
sql/field.cc
sql/field.cc
+49
-49
sql/field.h
sql/field.h
+2
-1
sql/ha_myisam.cc
sql/ha_myisam.cc
+3
-1
sql/handler.cc
sql/handler.cc
+138
-0
sql/handler.h
sql/handler.h
+24
-4
sql/mysql_priv.h
sql/mysql_priv.h
+5
-20
sql/opt_range.cc
sql/opt_range.cc
+161
-180
sql/opt_range.h
sql/opt_range.h
+12
-3
sql/sql_insert.cc
sql/sql_insert.cc
+8
-0
sql/sql_parse.cc
sql/sql_parse.cc
+46
-0
sql/sql_select.cc
sql/sql_select.cc
+40
-34
sql/sql_table.cc
sql/sql_table.cc
+899
-996
sql/table.cc
sql/table.cc
+0
-1
sql/unireg.cc
sql/unireg.cc
+43
-10
strings/my_vsnprintf.c
strings/my_vsnprintf.c
+25
-11
No files found.
myisam/myisamdef.h
View file @
555eb866
...
...
@@ -417,6 +417,7 @@ typedef struct st_mi_sort_param
#define MI_MIN_SIZE_BULK_INSERT_TREE 16384
/* this is per key */
#define MI_MIN_ROWS_TO_USE_BULK_INSERT 100
#define MI_MIN_ROWS_TO_DISABLE_INDEXES 100
#define MI_MIN_ROWS_TO_USE_WRITE_CACHE 10
/* The UNIQUE check is done with a hashed long key */
...
...
mysql-test/mysql-test-run.sh
View file @
555eb866
...
...
@@ -670,7 +670,7 @@ report_stats () {
$ECHO
"The log files in
$MY_LOG_DIR
may give you some hint"
$ECHO
"of what when wrong."
$ECHO
"If you want to report this error, please read first the documentation at"
$ECHO
"http://www.mysql.com/doc/
M/y
/MySQL_test_suite.html"
$ECHO
"http://www.mysql.com/doc/
en
/MySQL_test_suite.html"
fi
if
test
-z
"
$USE_RUNNING_SERVER
"
...
...
mysql-test/r/gis-rtree.result
View file @
555eb866
...
...
@@ -750,3 +750,10 @@ analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
drop table t1;
CREATE TABLE t1 (
fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
g GEOMETRY NOT NULL,
SPATIAL KEY(g)
) ENGINE=MyISAM;
INSERT INTO t1 (g) VALUES (GeomFromText('LineString(1 2, 2 3)')),(GeomFromText('LineString(1 2, 2 4)'));
drop table t1;
mysql-test/r/grant.result
View file @
555eb866
...
...
@@ -76,6 +76,8 @@ delete from mysql.db where user='mysqltest_1';
delete from mysql.tables_priv where user='mysqltest_1';
delete from mysql.columns_priv where user='mysqltest_1';
flush privileges;
show grants for mysqltest_1@localhost;
ERROR 42000: There is no such grant defined for user 'mysqltest_1' on host 'localhost'
create table t1 (a int);
GRANT select,update,insert on t1 to mysqltest_1@localhost;
GRANT select (a), update (a),insert(a), references(a) on t1 to mysqltest_1@localhost;
...
...
mysql-test/t/gis-rtree.test
View file @
555eb866
...
...
@@ -103,3 +103,16 @@ check table t1;
analyze
table
t1
;
drop
table
t1
;
#
# The following crashed gis
#
CREATE
TABLE
t1
(
fid
INT
NOT
NULL
AUTO_INCREMENT
PRIMARY
KEY
,
g
GEOMETRY
NOT
NULL
,
SPATIAL
KEY
(
g
)
)
ENGINE
=
MyISAM
;
INSERT
INTO
t1
(
g
)
VALUES
(
GeomFromText
(
'LineString(1 2, 2 3)'
)),(
GeomFromText
(
'LineString(1 2, 2 4)'
));
#select * from t1 where g<GeomFromText('LineString(1 2, 2 3)');
drop
table
t1
;
mysql-test/t/grant.test
View file @
555eb866
...
...
@@ -53,6 +53,8 @@ delete from mysql.db where user='mysqltest_1';
delete
from
mysql
.
tables_priv
where
user
=
'mysqltest_1'
;
delete
from
mysql
.
columns_priv
where
user
=
'mysqltest_1'
;
flush
privileges
;
--
error
1141
show
grants
for
mysqltest_1
@
localhost
;
#
# Test what happens when you have same table and colum level grants
...
...
sql/field.cc
View file @
555eb866
...
...
@@ -4359,7 +4359,7 @@ int Field_varstring::store(const char *from,uint length,CHARSET_INFO *cs)
set_warning
(
MYSQL_ERROR
::
WARN_LEVEL_WARN
,
ER_WARN_DATA_TRUNCATED
);
error
=
1
;
}
memcpy
(
ptr
+
2
,
from
,
length
);
memcpy
(
ptr
+
HA_KEY_BLOB_LENGTH
,
from
,
length
);
int2store
(
ptr
,
length
);
return
error
;
}
...
...
@@ -4388,18 +4388,18 @@ int Field_varstring::store(longlong nr)
double
Field_varstring
::
val_real
(
void
)
{
int
not_used
;
uint
length
=
uint2korr
(
ptr
)
+
2
;
uint
length
=
uint2korr
(
ptr
)
+
HA_KEY_BLOB_LENGTH
;
CHARSET_INFO
*
cs
=
charset
();
return
my_strntod
(
cs
,
ptr
+
2
,
length
,
(
char
**
)
0
,
&
not_used
);
return
my_strntod
(
cs
,
ptr
+
HA_KEY_BLOB_LENGTH
,
length
,
(
char
**
)
0
,
&
not_used
);
}
longlong
Field_varstring
::
val_int
(
void
)
{
int
not_used
;
uint
length
=
uint2korr
(
ptr
)
+
2
;
uint
length
=
uint2korr
(
ptr
)
+
HA_KEY_BLOB_LENGTH
;
CHARSET_INFO
*
cs
=
charset
();
return
my_strntoll
(
cs
,
ptr
+
2
,
length
,
10
,
NULL
,
&
not_used
);
return
my_strntoll
(
cs
,
ptr
+
HA_KEY_BLOB_LENGTH
,
length
,
10
,
NULL
,
&
not_used
);
}
...
...
@@ -4407,7 +4407,7 @@ String *Field_varstring::val_str(String *val_buffer __attribute__((unused)),
String
*
val_ptr
)
{
uint
length
=
uint2korr
(
ptr
);
val_ptr
->
set
((
const
char
*
)
ptr
+
2
,
length
,
field_charset
);
val_ptr
->
set
((
const
char
*
)
ptr
+
HA_KEY_BLOB_LENGTH
,
length
,
field_charset
);
return
val_ptr
;
}
...
...
@@ -4417,18 +4417,21 @@ int Field_varstring::cmp(const char *a_ptr, const char *b_ptr)
uint
a_length
=
uint2korr
(
a_ptr
);
uint
b_length
=
uint2korr
(
b_ptr
);
int
diff
;
diff
=
my_strnncoll
(
field_charset
,
(
const
uchar
*
)
a_ptr
+
2
,
min
(
a_length
,
b_length
),
(
const
uchar
*
)
b_ptr
+
2
,
min
(
a_length
,
b_length
));
diff
=
my_strnncoll
(
field_charset
,
(
const
uchar
*
)
a_ptr
+
HA_KEY_BLOB_LENGTH
,
min
(
a_length
,
b_length
),
(
const
uchar
*
)
b_ptr
+
HA_KEY_BLOB_LENGTH
,
min
(
a_length
,
b_length
));
return
diff
?
diff
:
(
int
)
(
a_length
-
b_length
);
}
void
Field_varstring
::
sort_string
(
char
*
to
,
uint
length
)
{
uint
tot_length
=
uint2korr
(
ptr
);
tot_length
=
my_strnxfrm
(
field_charset
,
(
unsigned
char
*
)
to
,
length
,
(
unsigned
char
*
)
ptr
+
2
,
tot_length
);
tot_length
=
my_strnxfrm
(
field_charset
,
(
uchar
*
)
to
,
length
,
(
uchar
*
)
ptr
+
HA_KEY_BLOB_LENGTH
,
tot_length
);
if
(
tot_length
<
length
)
field_charset
->
cset
->
fill
(
field_charset
,
to
+
tot_length
,
length
-
tot_length
,
binary
()
?
(
char
)
0
:
' '
);
...
...
@@ -4453,7 +4456,7 @@ char *Field_varstring::pack(char *to, const char *from, uint max_length)
if
(
max_length
>
255
)
*
to
++=
(
char
)
(
length
>>
8
);
if
(
length
)
memcpy
(
to
,
from
+
2
,
length
);
memcpy
(
to
,
from
+
HA_KEY_BLOB_LENGTH
,
length
);
return
to
+
length
;
}
...
...
@@ -4473,7 +4476,7 @@ const char *Field_varstring::unpack(char *to, const char *from)
to
[
1
]
=
*
from
++
;
}
if
(
length
)
memcpy
(
to
+
2
,
from
,
length
);
memcpy
(
to
+
HA_KEY_BLOB_LENGTH
,
from
,
length
);
return
from
+
length
;
}
...
...
@@ -4484,8 +4487,8 @@ int Field_varstring::pack_cmp(const char *a, const char *b, uint key_length)
uint
b_length
;
if
(
key_length
>
255
)
{
a_length
=
uint2korr
(
a
);
a
+=
2
;
b_length
=
uint2korr
(
b
);
b
+=
2
;
a_length
=
uint2korr
(
a
);
a
+=
2
;
b_length
=
uint2korr
(
b
);
b
+=
2
;
}
else
{
...
...
@@ -4493,32 +4496,32 @@ int Field_varstring::pack_cmp(const char *a, const char *b, uint key_length)
b_length
=
(
uint
)
(
uchar
)
*
b
++
;
}
return
my_strnncoll
(
field_charset
,
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
}
int
Field_varstring
::
pack_cmp
(
const
char
*
b
,
uint
key_length
)
{
char
*
a
=
ptr
+
2
;
uint
a_length
=
uint2korr
(
ptr
);
char
*
a
=
ptr
+
HA_KEY_BLOB_LENGTH
;
uint
a_length
=
uint2korr
(
ptr
);
uint
b_length
;
if
(
key_length
>
255
)
{
b_length
=
uint2korr
(
b
);
b
+=
2
;
b_length
=
uint2korr
(
b
);
b
+=
2
;
}
else
{
b_length
=
(
uint
)
(
uchar
)
*
b
++
;
}
return
my_strnncoll
(
field_charset
,
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
}
uint
Field_varstring
::
packed_col_length
(
const
char
*
data_ptr
,
uint
length
)
{
if
(
length
>
255
)
return
uint2korr
(
data_ptr
)
+
2
;
return
uint2korr
(
data_ptr
)
+
HA_KEY_BLOB_LENGTH
;
else
return
(
uint
)
((
uchar
)
*
data_ptr
)
+
1
;
}
...
...
@@ -4531,22 +4534,21 @@ uint Field_varstring::max_packed_col_length(uint max_length)
void
Field_varstring
::
get_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
,
imagetype
type
)
{
length
-=
HA_KEY_BLOB_LENGTH
;
uint
f_length
=
uint2korr
(
ptr
);
if
(
f_length
>
length
)
f_length
=
length
;
int2store
(
buff
,
length
);
memcpy
(
buff
+
2
,
ptr
+
2
,
length
);
memcpy
(
buff
+
HA_KEY_BLOB_LENGTH
,
ptr
+
HA_KEY_BLOB_LENGTH
,
length
);
#ifdef HAVE_purify
if
(
f_length
<
length
)
bzero
(
buff
+
2
+
f_length
,
(
length
-
f_length
));
bzero
(
buff
+
HA_KEY_BLOB_LENGTH
+
f_length
,
(
length
-
f_length
));
#endif
}
void
Field_varstring
::
set_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
)
{
length
=
uint2korr
(
buff
);
// Real length is here
(
void
)
Field_varstring
::
store
(
buff
+
2
,
length
,
cs
);
(
void
)
Field_varstring
::
store
(
buff
+
HA_KEY_BLOB_LENGTH
,
length
,
cs
);
}
...
...
@@ -4799,7 +4801,6 @@ int Field_blob::cmp_binary(const char *a_ptr, const char *b_ptr,
void
Field_blob
::
get_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
,
imagetype
type
)
{
length
-=
HA_KEY_BLOB_LENGTH
;
uint32
blob_length
=
get_length
(
ptr
);
char
*
blob
;
...
...
@@ -4838,18 +4839,18 @@ void Field_blob::get_key_image(char *buff,uint length,
Must clear this as we do a memcmp in opt_range.cc to detect
identical keys
*/
bzero
(
buff
+
2
+
blob_length
,
(
length
-
blob_length
));
bzero
(
buff
+
HA_KEY_BLOB_LENGTH
+
blob_length
,
(
length
-
blob_length
));
length
=
(
uint
)
blob_length
;
}
int2store
(
buff
,
length
);
get_ptr
(
&
blob
);
memcpy
(
buff
+
2
,
blob
,
length
);
memcpy
(
buff
+
HA_KEY_BLOB_LENGTH
,
blob
,
length
);
}
void
Field_blob
::
set_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
)
{
length
=
uint2korr
(
buff
);
(
void
)
Field_blob
::
store
(
buff
+
2
,
length
,
cs
);
length
=
uint2korr
(
buff
);
(
void
)
Field_blob
::
store
(
buff
+
HA_KEY_BLOB_LENGTH
,
length
,
cs
);
}
...
...
@@ -4857,16 +4858,16 @@ int Field_blob::key_cmp(const byte *key_ptr, uint max_key_length)
{
char
*
blob1
;
uint
blob_length
=
get_length
(
ptr
);
max_key_length
-=
2
;
memcpy_fixed
(
&
blob1
,
ptr
+
packlength
,
sizeof
(
char
*
));
return
Field_blob
::
cmp
(
blob1
,
min
(
blob_length
,
max_key_length
),
(
char
*
)
key_ptr
+
2
,
uint2korr
(
key_ptr
));
(
char
*
)
key_ptr
+
HA_KEY_BLOB_LENGTH
,
uint2korr
(
key_ptr
));
}
int
Field_blob
::
key_cmp
(
const
byte
*
a
,
const
byte
*
b
)
{
return
Field_blob
::
cmp
((
char
*
)
a
+
2
,
uint2korr
(
a
),
(
char
*
)
b
+
2
,
uint2korr
(
b
));
return
Field_blob
::
cmp
((
char
*
)
a
+
HA_KEY_BLOB_LENGTH
,
uint2korr
(
a
),
(
char
*
)
b
+
HA_KEY_BLOB_LENGTH
,
uint2korr
(
b
));
}
...
...
@@ -4882,8 +4883,8 @@ void Field_blob::sort_string(char *to,uint length)
memcpy_fixed
(
&
blob
,
ptr
+
packlength
,
sizeof
(
char
*
));
blob_length
=
my_strnxfrm
(
field_charset
,
(
u
nsigned
char
*
)
to
,
length
,
(
u
nsigned
char
*
)
blob
,
blob_length
);
(
u
char
*
)
to
,
length
,
(
u
char
*
)
blob
,
blob_length
);
if
(
blob_length
<
length
)
field_charset
->
cset
->
fill
(
field_charset
,
to
+
blob_length
,
length
-
blob_length
,
...
...
@@ -4965,8 +4966,8 @@ int Field_blob::pack_cmp(const char *a, const char *b, uint key_length)
b_length
=
(
uint
)
(
uchar
)
*
b
++
;
}
return
my_strnncoll
(
field_charset
,
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
}
...
...
@@ -4988,8 +4989,8 @@ int Field_blob::pack_cmp(const char *b, uint key_length)
b_length
=
(
uint
)
(
uchar
)
*
b
++
;
}
return
my_strnncoll
(
field_charset
,
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
(
const
uchar
*
)
a
,
a_length
,
(
const
uchar
*
)
b
,
b_length
);
}
/* Create a packed key that will be used for storage from a MySQL row */
...
...
@@ -5025,7 +5026,7 @@ char *Field_blob::pack_key_from_key_image(char *to, const char *from,
if
(
max_length
>
255
)
*
to
++=
(
char
)
(
length
>>
8
);
if
(
length
)
memcpy
(
to
,
from
+
2
,
length
);
memcpy
(
to
,
from
+
HA_KEY_BLOB_LENGTH
,
length
);
return
to
+
length
;
}
...
...
@@ -5048,11 +5049,12 @@ uint Field_blob::max_packed_col_length(uint max_length)
void
Field_geom
::
get_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
,
imagetype
type
)
{
length
-=
HA_KEY_BLOB_LENGTH
;
ulong
blob_length
=
get_length
(
ptr
);
char
*
blob
;
const
char
*
dummy
;
MBR
mbr
;
ulong
blob_length
=
get_length
(
ptr
);
Geometry_buffer
buffer
;
Geometry
*
gobj
;
if
(
blob_length
<
SRID_SIZE
)
{
...
...
@@ -5060,8 +5062,6 @@ void Field_geom::get_key_image(char *buff, uint length, CHARSET_INFO *cs,
return
;
}
get_ptr
(
&
blob
);
Geometry_buffer
buffer
;
Geometry
*
gobj
;
gobj
=
Geometry
::
create_from_wkb
(
&
buffer
,
blob
+
SRID_SIZE
,
blob_length
-
SRID_SIZE
);
if
(
gobj
->
get_mbr
(
&
mbr
,
&
dummy
))
...
...
@@ -5554,7 +5554,7 @@ uint32 calc_pack_length(enum_field_types type,uint32 length)
switch
(
type
)
{
case
FIELD_TYPE_STRING
:
case
FIELD_TYPE_DECIMAL
:
return
(
length
);
case
FIELD_TYPE_VAR_STRING
:
return
(
length
+
2
);
case
FIELD_TYPE_VAR_STRING
:
return
(
length
+
HA_KEY_BLOB_LENGTH
);
case
FIELD_TYPE_YEAR
:
case
FIELD_TYPE_TINY
:
return
1
;
case
FIELD_TYPE_SHORT
:
return
2
;
...
...
sql/field.h
View file @
555eb866
...
...
@@ -212,7 +212,8 @@ public:
{
memcpy
(
buff
,
ptr
,
length
);
}
inline
void
set_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
)
{
memcpy
(
ptr
,
buff
,
length
);
}
virtual
void
get_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
,
imagetype
type
)
virtual
void
get_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
,
imagetype
type
)
{
get_image
(
buff
,
length
,
cs
);
}
virtual
void
set_key_image
(
char
*
buff
,
uint
length
,
CHARSET_INFO
*
cs
)
{
set_image
(
buff
,
length
,
cs
);
}
...
...
sql/ha_myisam.cc
View file @
555eb866
...
...
@@ -867,7 +867,9 @@ void ha_myisam::start_bulk_insert(ha_rows rows)
THD
*
thd
=
current_thd
;
ulong
size
=
min
(
thd
->
variables
.
read_buff_size
,
table
->
avg_row_length
*
rows
);
mi_extra
(
file
,
HA_EXTRA_WRITE_CACHE
,
(
void
*
)
&
size
);
/* don't enable row cache if too few rows */
if
(
!
rows
&&
rows
>
MI_MIN_ROWS_TO_USE_WRITE_CACHE
)
mi_extra
(
file
,
HA_EXTRA_WRITE_CACHE
,
(
void
*
)
&
size
);
can_enable_indexes
=
(
file
->
s
->
state
.
key_map
==
set_bits
(
ulonglong
,
file
->
s
->
base
.
keys
));
...
...
sql/handler.cc
View file @
555eb866
...
...
@@ -1287,3 +1287,141 @@ int ha_change_key_cache(KEY_CACHE *old_key_cache,
mi_change_key_cache
(
old_key_cache
,
new_key_cache
);
return
0
;
}
/*
Read first row between two ranges.
Store ranges for future calls to read_range_next
SYNOPSIS
read_range_first()
start_key Start key. Is 0 if no min range
end_key End key. Is 0 if no max range
sorted Set to 1 if result should be sorted per key
NOTES
Record is read into table->record[0]
RETURN
0 Found row
HA_ERR_END_OF_FILE No rows in range
# Error code
*/
int
handler
::
read_range_first
(
const
key_range
*
start_key
,
const
key_range
*
end_key
,
bool
sorted
)
{
int
result
;
DBUG_ENTER
(
"handler::read_range_first"
);
end_range
=
0
;
if
(
end_key
)
{
end_range
=
&
save_end_range
;
save_end_range
=
*
end_key
;
key_compare_result_on_equal
=
((
end_key
->
flag
==
HA_READ_BEFORE_KEY
)
?
1
:
(
end_key
->
flag
==
HA_READ_AFTER_KEY
)
?
-
1
:
0
);
}
range_key_part
=
table
->
key_info
[
active_index
].
key_part
;
if
(
!
start_key
)
// Read first record
result
=
index_first
(
table
->
record
[
0
]);
else
result
=
index_read
(
table
->
record
[
0
],
start_key
->
key
,
start_key
->
length
,
start_key
->
flag
);
if
(
result
)
DBUG_RETURN
((
result
==
HA_ERR_KEY_NOT_FOUND
||
result
==
HA_ERR_END_OF_FILE
)
?
HA_ERR_END_OF_FILE
:
result
);
DBUG_RETURN
(
compare_key
(
end_range
)
<=
0
?
0
:
HA_ERR_END_OF_FILE
);
}
/*
Read next row between two ranges.
SYNOPSIS
read_range_next()
eq_range Set to 1 if start_key == end_key
NOTES
Record is read into table->record[0]
RETURN
0 Found row
HA_ERR_END_OF_FILE No rows in range
# Error code
*/
int
handler
::
read_range_next
(
bool
eq_range
)
{
int
result
;
DBUG_ENTER
(
"handler::read_range_next"
);
if
(
eq_range
)
result
=
index_next_same
(
table
->
record
[
0
],
end_range
->
key
,
end_range
->
length
);
else
result
=
index_next
(
table
->
record
[
0
]);
if
(
result
)
DBUG_RETURN
(
result
);
DBUG_RETURN
(
compare_key
(
end_range
)
<=
0
?
0
:
HA_ERR_END_OF_FILE
);
}
/*
Compare if found key is over max-value
SYNOPSIS
compare_key
range key to compare to row
NOTES
For this to work, the row must be stored in table->record[0]
RETURN
0 Key is equal to range or 'range' == 0 (no range)
-1 Key is less than range
1 Key is larger than range
*/
int
handler
::
compare_key
(
key_range
*
range
)
{
KEY_PART_INFO
*
key_part
=
range_key_part
;
uint
store_length
;
if
(
!
range
)
return
0
;
// No max range
for
(
const
char
*
key
=
range
->
key
,
*
end
=
key
+
range
->
length
;
key
<
end
;
key
+=
store_length
,
key_part
++
)
{
int
cmp
;
store_length
=
key_part
->
store_length
;
if
(
key_part
->
null_bit
)
{
if
(
*
key
)
{
if
(
!
key_part
->
field
->
is_null
())
return
1
;
continue
;
}
else
if
(
key_part
->
field
->
is_null
())
return
0
;
key
++
;
// Skip null byte
store_length
--
;
}
if
((
cmp
=
key_part
->
field
->
key_cmp
((
byte
*
)
key
,
key_part
->
length
))
<
0
)
return
-
1
;
if
(
cmp
>
0
)
return
1
;
}
return
key_compare_result_on_equal
;
}
sql/handler.h
View file @
555eb866
...
...
@@ -218,6 +218,14 @@ typedef struct st_ha_check_opt
}
HA_CHECK_OPT
;
typedef
struct
st_key_range
{
const
byte
*
key
;
uint
length
;
enum
ha_rkey_function
flag
;
}
key_range
;
class
handler
:
public
Sql_alloc
{
protected:
...
...
@@ -239,6 +247,12 @@ public:
time_t
create_time
;
/* When table was created */
time_t
check_time
;
time_t
update_time
;
/* The following are for read_range() */
key_range
save_end_range
,
*
end_range
;
KEY_PART_INFO
*
range_key_part
;
int
key_compare_result_on_equal
;
uint
errkey
;
/* Last dup key */
uint
sortkey
,
key_used_on_scan
;
uint
active_index
;
...
...
@@ -250,6 +264,7 @@ public:
bool
auto_increment_column_changed
;
bool
implicit_emptied
;
/* Can be !=0 only if HEAP */
handler
(
TABLE
*
table_arg
)
:
table
(
table_arg
),
ref
(
0
),
data_file_length
(
0
),
max_data_file_length
(
0
),
index_file_length
(
0
),
delete_length
(
0
),
auto_increment_value
(
0
),
...
...
@@ -298,6 +313,11 @@ public:
{
return
(
my_errno
=
HA_ERR_WRONG_COMMAND
);
}
virtual
int
handler
::
read_range_first
(
const
key_range
*
start_key
,
const
key_range
*
end_key
,
bool
sorted
);
virtual
int
handler
::
read_range_next
(
bool
eq_range
);
int
handler
::
compare_key
(
key_range
*
range
);
virtual
int
ft_init
()
{
return
-
1
;
}
virtual
FT_INFO
*
ft_init_ext
(
uint
flags
,
uint
inx
,
const
byte
*
key
,
uint
keylen
)
...
...
sql/mysql_priv.h
View file @
555eb866
...
...
@@ -516,19 +516,7 @@ int mysql_alter_table(THD *thd, char *new_db, char *new_name,
List
<
create_field
>
&
fields
,
List
<
Key
>
&
keys
,
List
<
Alter_drop
>
&
drop_list
,
List
<
Alter_column
>
&
alter_list
,
uint
order_num
,
ORDER
*
order
,
int
alter_flags
,
enum
enum_duplicates
handle_duplicates
,
enum
enum_enable_or_disable
keys_onoff
=
LEAVE_AS_IS
,
enum
tablespace_op_type
tablespace_op
=
NO_TABLESPACE_OP
,
bool
simple_alter
=
0
);
int
real_alter_table
(
THD
*
thd
,
char
*
new_db
,
char
*
new_name
,
HA_CREATE_INFO
*
create_info
,
TABLE_LIST
*
table_list
,
TABLE
*
table
,
List
<
create_field
>
&
fields
,
List
<
Key
>
&
keys
,
List
<
Alter_drop
>
&
drop_list
,
List
<
Alter_column
>
&
alter_list
,
uint
order_num
,
ORDER
*
order
,
int
alter_flags
,
uint
order_num
,
ORDER
*
order
,
uint
alter_flags
,
enum
enum_duplicates
handle_duplicates
,
enum
enum_enable_or_disable
keys_onoff
=
LEAVE_AS_IS
,
enum
tablespace_op_type
tablespace_op
=
NO_TABLESPACE_OP
,
...
...
@@ -544,10 +532,6 @@ bool mysql_rename_table(enum db_type base,
int
mysql_create_index
(
THD
*
thd
,
TABLE_LIST
*
table_list
,
List
<
Key
>
&
keys
);
int
mysql_drop_index
(
THD
*
thd
,
TABLE_LIST
*
table_list
,
List
<
Alter_drop
>
&
drop_list
);
int
mysql_add_column
(
THD
*
thd
,
TABLE_LIST
*
table_list
,
List
<
create_field
>
&
fields
);
int
mysql_drop_column
(
THD
*
thd
,
TABLE_LIST
*
table_list
,
List
<
Alter_drop
>
&
drop_list
);
int
mysql_update
(
THD
*
thd
,
TABLE_LIST
*
tables
,
List
<
Item
>
&
fields
,
List
<
Item
>
&
values
,
COND
*
conds
,
uint
order_num
,
ORDER
*
order
,
ha_rows
limit
,
...
...
@@ -951,7 +935,8 @@ void unlock_table_names(THD *thd, TABLE_LIST *table_list,
void
unireg_init
(
ulong
options
);
void
unireg_end
(
void
);
int
mysql_create_frm
(
THD
*
thd
,
my_string
file_name
,
HA_CREATE_INFO
*
create_info
,
bool
mysql_create_frm
(
THD
*
thd
,
my_string
file_name
,
HA_CREATE_INFO
*
create_info
,
List
<
create_field
>
&
create_field
,
uint
key_count
,
KEY
*
key_info
,
handler
*
db_type
);
int
rea_create_table
(
THD
*
thd
,
my_string
file_name
,
HA_CREATE_INFO
*
create_info
,
...
...
sql/opt_range.cc
View file @
555eb866
This diff is collapsed.
Click to expand it.
sql/opt_range.h
View file @
555eb866
...
...
@@ -35,7 +35,7 @@
typedef
struct
st_key_part
{
uint16
key
,
part
,
part_
length
;
uint16
key
,
part
,
store_length
,
length
;
uint8
null_bit
;
Field
*
field
;
Field
::
imagetype
image_type
;
...
...
@@ -68,7 +68,7 @@ class QUICK_RANGE :public Sql_alloc {
class
QUICK_SELECT
{
public:
bool
next
,
dont_free
;
bool
next
,
dont_free
,
sorted
;
int
error
;
uint
index
,
max_used_key_length
,
used_key_parts
;
TABLE
*
head
;
...
...
@@ -89,11 +89,20 @@ public:
int
init
()
{
return
error
=
file
->
index_init
(
index
);
}
virtual
int
get_next
();
virtual
bool
reverse_sorted
()
{
return
0
;
}
int
cmp_next
(
QUICK_RANGE
*
range
);
bool
unique_key_range
();
};
class
QUICK_SELECT_GEOM
:
public
QUICK_SELECT
{
public:
QUICK_SELECT_GEOM
(
THD
*
thd
,
TABLE
*
table
,
uint
index_arg
,
bool
no_alloc
)
:
QUICK_SELECT
(
thd
,
table
,
index_arg
,
no_alloc
)
{};
virtual
int
get_next
();
};
class
QUICK_SELECT_DESC
:
public
QUICK_SELECT
{
public:
...
...
sql/sql_insert.cc
View file @
555eb866
...
...
@@ -260,6 +260,14 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list,
thd
->
proc_info
=
"update"
;
if
(
duplic
!=
DUP_ERROR
)
table
->
file
->
extra
(
HA_EXTRA_IGNORE_DUP_KEY
);
/*
let's *try* to start bulk inserts. It won't necessary
start them as values_list.elements should be greater than
some - handler dependent - threshold.
So we call start_bulk_insert to perform nesessary checks on
values_list.elements, and - if nothing else - to initialize
the code to make the call of end_bulk_insert() below safe.
*/
if
(
lock_type
!=
TL_WRITE_DELAYED
)
table
->
file
->
start_bulk_insert
(
values_list
.
elements
);
...
...
sql/sql_parse.cc
View file @
555eb866
...
...
@@ -4907,6 +4907,52 @@ Item * all_any_subquery_creator(Item *left_expr,
}
/*
CREATE INDEX and DROP INDEX are implemented by calling ALTER TABLE with
the proper arguments. This isn't very fast but it should work for most
cases.
In the future ALTER TABLE will notice that only added indexes
and create these one by one for the existing table without having to do
a full rebuild.
One should normally create all indexes with CREATE TABLE or ALTER TABLE.
*/
int
mysql_create_index
(
THD
*
thd
,
TABLE_LIST
*
table_list
,
List
<
Key
>
&
keys
)
{
List
<
create_field
>
fields
;
List
<
Alter_drop
>
drop
;
List
<
Alter_column
>
alter
;
HA_CREATE_INFO
create_info
;
DBUG_ENTER
(
"mysql_create_index"
);
bzero
((
char
*
)
&
create_info
,
sizeof
(
create_info
));
create_info
.
db_type
=
DB_TYPE_DEFAULT
;
create_info
.
default_table_charset
=
thd
->
variables
.
collation_database
;
DBUG_RETURN
(
mysql_alter_table
(
thd
,
table_list
->
db
,
table_list
->
real_name
,
&
create_info
,
table_list
,
fields
,
keys
,
drop
,
alter
,
0
,
(
ORDER
*
)
0
,
ALTER_ADD_INDEX
,
DUP_ERROR
));
}
int
mysql_drop_index
(
THD
*
thd
,
TABLE_LIST
*
table_list
,
List
<
Alter_drop
>
&
drop
)
{
List
<
create_field
>
fields
;
List
<
Key
>
keys
;
List
<
Alter_column
>
alter
;
HA_CREATE_INFO
create_info
;
DBUG_ENTER
(
"mysql_drop_index"
);
bzero
((
char
*
)
&
create_info
,
sizeof
(
create_info
));
create_info
.
db_type
=
DB_TYPE_DEFAULT
;
create_info
.
default_table_charset
=
thd
->
variables
.
collation_database
;
DBUG_RETURN
(
mysql_alter_table
(
thd
,
table_list
->
db
,
table_list
->
real_name
,
&
create_info
,
table_list
,
fields
,
keys
,
drop
,
alter
,
0
,
(
ORDER
*
)
0
,
ALTER_DROP_INDEX
,
DUP_ERROR
));
}
/*
Multi update query pre-check
...
...
sql/sql_select.cc
View file @
555eb866
...
...
@@ -3746,7 +3746,8 @@ make_join_readinfo(JOIN *join, uint options)
table
->
key_read
=
1
;
table
->
file
->
extra
(
HA_EXTRA_KEYREAD
);
}
else
if
(
!
table
->
used_keys
.
is_clear_all
()
&&
!
(
tab
->
select
&&
tab
->
select
->
quick
))
else
if
(
!
table
->
used_keys
.
is_clear_all
()
&&
!
(
tab
->
select
&&
tab
->
select
->
quick
))
{
// Only read index tree
tab
->
index
=
find_shortest_key
(
table
,
&
table
->
used_keys
);
tab
->
table
->
file
->
index_init
(
tab
->
index
);
...
...
@@ -6907,6 +6908,7 @@ static int test_if_order_by_key(ORDER *order, TABLE *table, uint idx,
key_part_end
=
key_part
+
table
->
key_info
[
idx
].
key_parts
;
key_part_map
const_key_parts
=
table
->
const_key_parts
[
idx
];
int
reverse
=
0
;
DBUG_ENTER
(
"test_if_order_by_key"
);
for
(;
order
;
order
=
order
->
next
,
const_key_parts
>>=
1
)
{
...
...
@@ -6917,25 +6919,24 @@ static int test_if_order_by_key(ORDER *order, TABLE *table, uint idx,
Skip key parts that are constants in the WHERE clause.
These are already skipped in the ORDER BY by const_expression_in_where()
*/
while
(
const_key_parts
&
1
)
{
key_part
++
;
const_key_parts
>>=
1
;
}
for
(;
const_key_parts
&
1
;
const_key_parts
>>=
1
)
key_part
++
;
if
(
key_part
==
key_part_end
||
key_part
->
field
!=
field
)
return
0
;
DBUG_RETURN
(
0
)
;
/* set flag to 1 if we can use read-next on key, else to -1 */
flag
=
(
order
->
asc
==
!
(
key_part
->
key_part_flag
&
HA_REVERSE_SORT
))
?
1
:
-
1
;
flag
=
((
order
->
asc
==
!
(
key_part
->
key_part_flag
&
HA_REVERSE_SORT
))
?
1
:
-
1
);
if
(
reverse
&&
flag
!=
reverse
)
return
0
;
DBUG_RETURN
(
0
)
;
reverse
=
flag
;
// Remember if reverse
key_part
++
;
}
*
used_key_parts
=
(
uint
)
(
key_part
-
table
->
key_info
[
idx
].
key_part
);
return
reverse
;
DBUG_RETURN
(
reverse
)
;
}
static
uint
find_shortest_key
(
TABLE
*
table
,
const
key_map
*
usable_keys
)
{
uint
min_length
=
(
uint
)
~
0
;
...
...
@@ -6958,18 +6959,20 @@ static uint find_shortest_key(TABLE *table, const key_map *usable_keys)
}
/*
Test if a second key is the subkey of the first one.
SYNOPSIS
is_subkey()
key_part - first key parts
ref_key_part - second key parts
ref_key_part_end - last+1 part of the second key
DESCRIPTION
Test if a second key is the subkey of the first one.
key_part First key parts
ref_key_part Second key parts
ref_key_part_end Last+1 part of the second key
NOTE
Second key MUST be shorter than the first one.
RETURN
1
- is the
subkey
0
- otherwise
1
is a
subkey
0
no sub key
*/
inline
bool
...
...
@@ -6983,20 +6986,21 @@ is_subkey(KEY_PART_INFO *key_part, KEY_PART_INFO *ref_key_part,
}
/*
Test if we can use one of the 'usable_keys' instead of 'ref' key for sorting
SYNOPSIS
test_if_subkey()
ref - number of key, used for WHERE clause
usable_keys - keys for testing
DESCRIPTION
Test if we can use one of the 'usable_keys' instead of 'ref' key.
ref Number of key, used for WHERE clause
usable_keys Keys for testing
RETURN
MAX_KEY
- i
f we can't use other key
the number of found key
- o
therwise
MAX_KEY
I
f we can't use other key
the number of found key
O
therwise
*/
static
uint
test_if_subkey
(
ORDER
*
order
,
TABLE
*
table
,
uint
ref
,
uint
ref_key_parts
,
const
key_map
&
usable_keys
)
const
key_map
*
usable_keys
)
{
uint
nr
;
uint
min_length
=
(
uint
)
~
0
;
...
...
@@ -7007,7 +7011,7 @@ test_if_subkey(ORDER *order, TABLE *table, uint ref, uint ref_key_parts,
for
(
nr
=
0
;
nr
<
table
->
keys
;
nr
++
)
{
if
(
usable_keys
.
is_set
(
nr
)
&&
if
(
usable_keys
->
is_set
(
nr
)
&&
table
->
key_info
[
nr
].
key_length
<
min_length
&&
table
->
key_info
[
nr
].
key_parts
>=
ref_key_parts
&&
is_subkey
(
table
->
key_info
[
nr
].
key_part
,
ref_key_part
,
...
...
@@ -7051,12 +7055,12 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
if
((
*
tmp_order
->
item
)
->
type
()
!=
Item
::
FIELD_ITEM
)
{
usable_keys
.
clear_all
();
break
;
DBUG_RETURN
(
0
)
;
}
usable_keys
.
intersect
(
((
Item_field
*
)
(
*
tmp_order
->
item
))
->
field
->
part_of_sortkey
);
usable_keys
.
intersect
(
((
Item_field
*
)
(
*
tmp_order
->
item
))
->
field
->
part_of_sortkey
);
if
(
usable_keys
.
is_clear_all
())
break
;
// No usable keys
DBUG_RETURN
(
0
)
;
// No usable keys
}
ref_key
=
-
1
;
...
...
@@ -7092,9 +7096,9 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
keys
*/
if
(
table
->
used_keys
.
is_set
(
ref_key
))
usable_keys
.
merge
(
table
->
used_keys
);
usable_keys
.
intersect
(
table
->
used_keys
);
if
((
new_ref_key
=
test_if_subkey
(
order
,
table
,
ref_key
,
ref_key_parts
,
usable_keys
))
<
MAX_KEY
)
&
usable_keys
))
<
MAX_KEY
)
{
/* Found key that can be used to retrieve data in sorted order */
if
(
tab
->
ref
.
key
>=
0
)
...
...
@@ -7154,6 +7158,8 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
/* fall through */
}
}
else
if
(
select
&&
select
->
quick
)
select
->
quick
->
sorted
=
1
;
DBUG_RETURN
(
1
);
/* No need to sort */
}
}
...
...
@@ -7292,9 +7298,9 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
For impossible ranges (like when doing a lookup on NULL on a NOT NULL
field, quick will contain an empty record set.
*/
if
(
!
(
select
->
quick
=
tab
->
type
==
JT_FT
?
if
(
!
(
select
->
quick
=
(
tab
->
type
==
JT_FT
?
new
FT_SELECT
(
thd
,
table
,
tab
->
ref
.
key
)
:
get_quick_select_for_ref
(
thd
,
table
,
&
tab
->
ref
)))
get_quick_select_for_ref
(
thd
,
table
,
&
tab
->
ref
)
)))
goto
err
;
}
}
...
...
sql/sql_table.cc
View file @
555eb866
This diff is collapsed.
Click to expand it.
sql/table.cc
View file @
555eb866
...
...
@@ -553,7 +553,6 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
keyinfo
->
key_length
+=
HA_KEY_NULL_LENGTH
;
}
if
(
field
->
type
()
==
FIELD_TYPE_BLOB
||
field
->
type
()
==
FIELD_TYPE_GEOMETRY
||
field
->
real_type
()
==
FIELD_TYPE_VAR_STRING
)
{
if
(
field
->
type
()
==
FIELD_TYPE_BLOB
)
...
...
sql/unireg.cc
View file @
555eb866
...
...
@@ -46,8 +46,25 @@ static bool make_empty_rec(int file, enum db_type table_type,
List
<
create_field
>
&
create_fields
,
uint
reclength
,
uint
null_fields
);
/*
Create a frm (table definition) file
SYNOPSIS
mysql_create_frm()
thd Thread handler
file_name Name of file (including database and .frm)
create_info create info parameters
create_fields Fields to create
keys number of keys to create
key_info Keys to create
db_file Handler to use. May be zero, in which case we use
create_info->db_type
RETURN
0 ok
1 error
*/
int
mysql_create_frm
(
THD
*
thd
,
my_string
file_name
,
bool
mysql_create_frm
(
THD
*
thd
,
my_string
file_name
,
HA_CREATE_INFO
*
create_info
,
List
<
create_field
>
&
create_fields
,
uint
keys
,
KEY
*
key_info
,
...
...
@@ -166,9 +183,29 @@ err:
err2:
VOID
(
my_close
(
file
,
MYF
(
MY_WME
)));
err3:
my_delete
(
file_name
,
MYF
(
0
));
DBUG_RETURN
(
1
);
}
/* mysql_create_frm */
/*
Create a frm (table definition) file and the tables
SYNOPSIS
mysql_create_frm()
thd Thread handler
file_name Name of file (including database and .frm)
create_info create info parameters
create_fields Fields to create
keys number of keys to create
key_info Keys to create
db_file Handler to use. May be zero, in which case we use
create_info->db_type
RETURN
0 ok
1 error
*/
int
rea_create_table
(
THD
*
thd
,
my_string
file_name
,
HA_CREATE_INFO
*
create_info
,
List
<
create_field
>
&
create_fields
,
...
...
@@ -179,12 +216,8 @@ int rea_create_table(THD *thd, my_string file_name,
if
(
mysql_create_frm
(
thd
,
file_name
,
create_info
,
create_fields
,
keys
,
key_info
,
NULL
)
||
ha_create_table
(
file_name
,
create_info
,
0
))
goto
err
;
DBUG_RETURN
(
0
);
err:
my_delete
(
file_name
,
MYF
(
0
));
DBUG_RETURN
(
1
);
DBUG_RETURN
(
0
);
}
/* rea_create_table */
...
...
strings/my_vsnprintf.c
View file @
555eb866
...
...
@@ -25,8 +25,9 @@
IMPLEMENTION:
Supports following formats:
%#d
%#u
%#[l]d
%#[l]u
%#[l]x
%#.#s Note #.# is skiped
RETURN
...
...
@@ -47,7 +48,7 @@ int my_snprintf(char* to, size_t n, const char* fmt, ...)
int
my_vsnprintf
(
char
*
to
,
size_t
n
,
const
char
*
fmt
,
va_list
ap
)
{
char
*
start
=
to
,
*
end
=
to
+
n
-
1
;
uint
length
,
num_state
,
pre_zero
;
uint
length
,
num_state
,
pre_zero
,
have_long
;
for
(;
*
fmt
;
fmt
++
)
{
...
...
@@ -62,7 +63,7 @@ int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
/* Read max fill size (only used with %d and %u) */
if
(
*
fmt
==
'-'
)
fmt
++
;
length
=
num_state
=
pre_zero
=
0
;
length
=
num_state
=
pre_zero
=
have_long
=
0
;
for
(;;
fmt
++
)
{
if
(
my_isdigit
(
&
my_charset_latin1
,
*
fmt
))
...
...
@@ -80,7 +81,10 @@ int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
num_state
=
1
;
}
if
(
*
fmt
==
'l'
)
{
fmt
++
;
have_long
=
1
;
}
if
(
*
fmt
==
's'
)
/* String parameter */
{
reg2
char
*
par
=
va_arg
(
ap
,
char
*
);
...
...
@@ -92,20 +96,29 @@ int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
to
=
strnmov
(
to
,
par
,
plen
);
continue
;
}
else
if
(
*
fmt
==
'd'
||
*
fmt
==
'u'
)
/* Integer parameter */
else
if
(
*
fmt
==
'd'
||
*
fmt
==
'u'
||
*
fmt
==
'x'
)
/* Integer parameter */
{
register
int
i
arg
;
register
long
l
arg
;
uint
res_length
,
to_length
;
char
*
store_start
=
to
,
*
store_end
;
char
buff
[
16
];
char
buff
[
32
];
if
((
to_length
=
(
uint
)
(
end
-
to
))
<
16
||
length
)
store_start
=
buff
;
iarg
=
va_arg
(
ap
,
int
);
if
(
have_long
)
larg
=
va_arg
(
ap
,
long
);
else
if
(
*
fmt
==
'd'
)
store_end
=
int10_to_str
((
long
)
iarg
,
store_start
,
-
10
);
larg
=
va_arg
(
ap
,
int
);
else
larg
=
(
long
)
(
uint
)
va_arg
(
ap
,
int
);
if
(
*
fmt
==
'd'
)
store_end
=
int10_to_str
(
larg
,
store_start
,
-
10
);
else
if
(
*
fmt
==
'u'
)
store_end
=
int10_to_str
(
larg
,
store_start
,
10
);
else
store_end
=
int10_to_str
((
long
)
(
uint
)
iarg
,
store_start
,
10
);
store_end
=
int2str
(
larg
,
store_start
,
16
);
if
((
res_length
=
(
uint
)
(
store_end
-
store_start
))
>
to_length
)
break
;
/* num doesn't fit in output */
/* If %#d syntax was used, we have to pre-zero/pre-space the string */
...
...
@@ -146,7 +159,7 @@ static void my_printf(const char * fmt, ...)
n
=
my_vsnprintf
(
buf
,
sizeof
(
buf
)
-
1
,
fmt
,
ar
);
printf
(
buf
);
printf
(
"n=%d, strlen=%d
\n
"
,
n
,
strlen
(
buf
));
if
(
buf
[
sizeof
(
buf
)
-
1
]
!=
OVERRUN_SENTRY
)
if
(
(
uchar
)
buf
[
sizeof
(
buf
)
-
1
]
!=
OVERRUN_SENTRY
)
{
fprintf
(
stderr
,
"Buffer overrun
\n
"
);
abort
();
...
...
@@ -167,6 +180,7 @@ int main()
my_printf
(
"Hello '%s' hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
\n
"
,
"hack"
);
my_printf
(
"Hello hhhhhhhhhhhhhh %d sssssssssssssss
\n
"
,
1
);
my_printf
(
"Hello %u
\n
"
,
1
);
my_printf
(
"Hex: %lx '%6lx'
\n
"
,
32
,
65
);
my_printf
(
"conn %ld to: '%-.64s' user: '%-.32s' host:\
`%-.64s' (%-.64s)"
,
1
,
0
,
0
,
0
,
0
);
return
0
;
...
...
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