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Commit 7f1d94da authored by unknown's avatar unknown
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Merge neptunus.(none):/home/msvensson/mysql/mysql-5.1 

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1-new-maint
parents 817ba0ad f3415d56
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Showing with 1587 additions and 317 deletions
client/mysql_upgrade.c
View file @ 7f1d94da
This diff is collapsed.
client/mysqltest.c
View file @ 7f1d94da
......@@ -80,13 +80,13 @@ enum {
OPT_SSL_CA, OPT_SSL_CAPATH, OPT_SSL_CIPHER, OPT_PS_PROTOCOL,
OPT_SP_PROTOCOL, OPT_CURSOR_PROTOCOL, OPT_VIEW_PROTOCOL,
OPT_SSL_VERIFY_SERVER_CERT, OPT_MAX_CONNECT_RETRIES,
OPT_MARK_PROGRESS
OPT_MARK_PROGRESS, OPT_CHARSETS_DIR
};
static int record= 0, opt_sleep= -1;
static char *db= 0, *pass= 0;
const char *user= 0, *host= 0, *unix_sock= 0, *opt_basedir= "./";
const char *opt_include= 0;
const char *opt_include= 0, *opt_charsets_dir;
static int port= 0;
static int opt_max_connect_retries;
static my_bool opt_compress= 0, silent= 0, verbose= 0;
......@@ -145,7 +145,6 @@ static struct st_test_file* file_stack_end;
static CHARSET_INFO *charset_info= &my_charset_latin1; /* Default charset */
static const char *charset_name= "latin1"; /* Default character set name */
static const char *embedded_server_groups[]=
{
......@@ -3093,7 +3092,11 @@ void do_connect(struct st_command *command)
if (opt_compress || con_compress)
mysql_options(&next_con->mysql, MYSQL_OPT_COMPRESS, NullS);
mysql_options(&next_con->mysql, MYSQL_OPT_LOCAL_INFILE, 0);
mysql_options(&next_con->mysql, MYSQL_SET_CHARSET_NAME, charset_name);
mysql_options(&next_con->mysql, MYSQL_SET_CHARSET_NAME,
charset_info->csname);
if (opt_charsets_dir)
mysql_options(&cur_con->mysql, MYSQL_SET_CHARSET_DIR,
opt_charsets_dir);
#ifdef HAVE_OPENSSL
if (opt_use_ssl || con_ssl)
......@@ -3779,6 +3782,9 @@ static struct my_option my_long_options[] =
0, 0, 0, 0, 0, 0},
{"basedir", 'b', "Basedir for tests.", (gptr*) &opt_basedir,
(gptr*) &opt_basedir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"character-sets-dir", OPT_CHARSETS_DIR,
"Directory where character sets are.", (gptr*) &opt_charsets_dir,
(gptr*) &opt_charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"compress", 'C', "Use the compressed server/client protocol.",
(gptr*) &opt_compress, (gptr*) &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
......@@ -5511,7 +5517,11 @@ int main(int argc, char **argv)
if (opt_compress)
mysql_options(&cur_con->mysql,MYSQL_OPT_COMPRESS,NullS);
mysql_options(&cur_con->mysql, MYSQL_OPT_LOCAL_INFILE, 0);
mysql_options(&cur_con->mysql, MYSQL_SET_CHARSET_NAME, charset_name);
mysql_options(&cur_con->mysql, MYSQL_SET_CHARSET_NAME,
charset_info->csname);
if (opt_charsets_dir)
mysql_options(&cur_con->mysql, MYSQL_SET_CHARSET_DIR,
opt_charsets_dir);
#ifdef HAVE_OPENSSL
......
mysql-test/mysql-test-run.pl
View file @ 7f1d94da
......@@ -591,7 +591,7 @@ sub command_line_setup () {
'tmpdir=s' => \$opt_tmpdir,
'vardir=s' => \$opt_vardir,
'benchdir=s' => \$glob_mysql_bench_dir,
'mem' => \$opt_mem,
'mem:s' => \$opt_mem,
# Misc
'comment=s' => \$opt_comment,
......@@ -734,17 +734,18 @@ sub command_line_setup () {
# --------------------------------------------------------------------------
# Check if we should speed up tests by trying to run on tmpfs
# --------------------------------------------------------------------------
if ( $opt_mem )
if ( defined $opt_mem )
{
mtr_error("Can't use --mem and --vardir at the same time ")
if $opt_vardir;
mtr_error("Can't use --mem and --tmpdir at the same time ")
if $opt_tmpdir;
# Use /dev/shm as the preferred location for vardir and
# thus implicitly also tmpdir. Add other locations to list
my @tmpfs_locations= ($opt_mem, "/dev/shm");
# One could maybe use "mount" to find tmpfs location(s)
# Search through list of locations that are known
# to be "fast disks" to list to find a suitable location
# Use --mem=<dir> as first location to look.
my @tmpfs_locations= ($opt_mem, "/dev/shm", "/tmp");
foreach my $fs (@tmpfs_locations)
{
if ( -d $fs )
......@@ -2988,9 +2989,9 @@ sub analyze_testcase_failure_sync_with_master($)
mtr_add_arg($args, "--no-defaults");
mtr_add_arg($args, "--silent");
mtr_add_arg($args, "-v");
mtr_add_arg($args, "--skip-safemalloc");
mtr_add_arg($args, "--tmpdir=%s", $opt_tmpdir);
mtr_add_arg($args, "--character-sets-dir=%s", $path_charsetsdir);
mtr_add_arg($args, "--socket=%s", $master->[0]->{'path_sock'});
mtr_add_arg($args, "--port=%d", $master->[0]->{'port'});
......@@ -4174,9 +4175,9 @@ sub run_check_testcase ($$) {
mtr_add_arg($args, "--no-defaults");
mtr_add_arg($args, "--silent");
mtr_add_arg($args, "-v");
mtr_add_arg($args, "--skip-safemalloc");
mtr_add_arg($args, "--tmpdir=%s", $opt_tmpdir);
mtr_add_arg($args, "--character-sets-dir=%s", $path_charsetsdir);
mtr_add_arg($args, "--socket=%s", $mysqld->{'path_sock'});
mtr_add_arg($args, "--port=%d", $mysqld->{'port'});
......@@ -4220,9 +4221,9 @@ sub run_mysqltest ($) {
mtr_add_arg($args, "--no-defaults");
mtr_add_arg($args, "--silent");
mtr_add_arg($args, "-v");
mtr_add_arg($args, "--skip-safemalloc");
mtr_add_arg($args, "--tmpdir=%s", $opt_tmpdir);
mtr_add_arg($args, "--character-sets-dir=%s", $path_charsetsdir);
if ($tinfo->{'component_id'} eq 'im')
{
......@@ -4307,13 +4308,11 @@ sub run_mysqltest ($) {
if ( $opt_ssl )
{
# Turn on SSL for _all_ test cases if option --ssl was used
mtr_add_arg($args, "--ssl",
$glob_mysql_test_dir);
mtr_add_arg($args, "--ssl");
}
elsif ( $opt_ssl_supported )
{
mtr_add_arg($args, "--skip-ssl",
$glob_mysql_test_dir);
mtr_add_arg($args, "--skip-ssl");
}
# ----------------------------------------------------------------------
......@@ -4648,9 +4647,12 @@ Options to control directories to use
vardir=DIR The directory where files generated from the test run
is stored (default: ./var). Specifying a ramdisk or
tmpfs will speed up tests.
mem Run testsuite in "memory" using tmpfs if
available(default: /dev/shm)
reads path from MTR_MEM environment variable
mem[=DIR] Run testsuite in "memory" using tmpfs or ramdisk
Attempts to use DIR first if specified else
uses as builtin list of standard locations
for tmpfs (/dev/shm)
The option can also be set using environment
variable MTR_MEM=[DIR]
Options to control what test suites or cases to run
......
mysql-test/r/func_str.result
View file @ 7f1d94da
This diff is collapsed.
mysql-test/t/func_str.test
View file @ 7f1d94da
......@@ -780,4 +780,193 @@ SELECT * FROM t1 INNER JOIN t2 ON code=id
DROP TABLE t1,t2;
#
# Bug #10963
# 4294967296 18446744073709551616
select locate('he','hello',-2);
select locate('lo','hello',-4294967295);
select locate('lo','hello',4294967295);
select locate('lo','hello',-4294967296);
select locate('lo','hello',4294967296);
select locate('lo','hello',-4294967297);
select locate('lo','hello',4294967297);
select locate('lo','hello',-18446744073709551615);
select locate('lo','hello',18446744073709551615);
select locate('lo','hello',-18446744073709551616);
select locate('lo','hello',18446744073709551616);
select locate('lo','hello',-18446744073709551617);
select locate('lo','hello',18446744073709551617);
select left('hello', 10);
select left('hello', 0);
select left('hello', -1);
select left('hello', -4294967295);
select left('hello', 4294967295);
select left('hello', -4294967296);
select left('hello', 4294967296);
select left('hello', -4294967297);
select left('hello', 4294967297);
select left('hello', -18446744073709551615);
select left('hello', 18446744073709551615);
select left('hello', -18446744073709551616);
select left('hello', 18446744073709551616);
select left('hello', -18446744073709551617);
select left('hello', 18446744073709551617);
select right('hello', 10);
select right('hello', 0);
select right('hello', -1);
select right('hello', -4294967295);
select right('hello', 4294967295);
select right('hello', -4294967296);
select right('hello', 4294967296);
select right('hello', -4294967297);
select right('hello', 4294967297);
select right('hello', -18446744073709551615);
select right('hello', 18446744073709551615);
select right('hello', -18446744073709551616);
select right('hello', 18446744073709551616);
select right('hello', -18446744073709551617);
select right('hello', 18446744073709551617);
select substring('hello', 2, -1);
select substring('hello', -1, 1);
select substring('hello', -2, 1);
select substring('hello', -4294967295, 1);
select substring('hello', 4294967295, 1);
select substring('hello', -4294967296, 1);
select substring('hello', 4294967296, 1);
select substring('hello', -4294967297, 1);
select substring('hello', 4294967297, 1);
select substring('hello', -18446744073709551615, 1);
select substring('hello', 18446744073709551615, 1);
select substring('hello', -18446744073709551616, 1);
select substring('hello', 18446744073709551616, 1);
select substring('hello', -18446744073709551617, 1);
select substring('hello', 18446744073709551617, 1);
select substring('hello', 1, -1);
select substring('hello', 1, -4294967295);
select substring('hello', 1, 4294967295);
select substring('hello', 1, -4294967296);
select substring('hello', 1, 4294967296);
select substring('hello', 1, -4294967297);
select substring('hello', 1, 4294967297);
select substring('hello', 1, -18446744073709551615);
select substring('hello', 1, 18446744073709551615);
select substring('hello', 1, -18446744073709551616);
select substring('hello', 1, 18446744073709551616);
select substring('hello', 1, -18446744073709551617);
select substring('hello', 1, 18446744073709551617);
select substring('hello', -1, -1);
select substring('hello', -4294967295, -4294967295);
select substring('hello', 4294967295, 4294967295);
select substring('hello', -4294967296, -4294967296);
select substring('hello', 4294967296, 4294967296);
select substring('hello', -4294967297, -4294967297);
select substring('hello', 4294967297, 4294967297);
select substring('hello', -18446744073709551615, -18446744073709551615);
select substring('hello', 18446744073709551615, 18446744073709551615);
select substring('hello', -18446744073709551616, -18446744073709551616);
select substring('hello', 18446744073709551616, 18446744073709551616);
select substring('hello', -18446744073709551617, -18446744073709551617);
select substring('hello', 18446744073709551617, 18446744073709551617);
select insert('hello', -1, 1, 'hi');
select insert('hello', -4294967295, 1, 'hi');
select insert('hello', 4294967295, 1, 'hi');
select insert('hello', -4294967296, 1, 'hi');
select insert('hello', 4294967296, 1, 'hi');
select insert('hello', -4294967297, 1, 'hi');
select insert('hello', 4294967297, 1, 'hi');
select insert('hello', -18446744073709551615, 1, 'hi');
select insert('hello', 18446744073709551615, 1, 'hi');
select insert('hello', -18446744073709551616, 1, 'hi');
select insert('hello', 18446744073709551616, 1, 'hi');
select insert('hello', -18446744073709551617, 1, 'hi');
select insert('hello', 18446744073709551617, 1, 'hi');
select insert('hello', 1, -1, 'hi');
select insert('hello', 1, -4294967295, 'hi');
select insert('hello', 1, 4294967295, 'hi');
select insert('hello', 1, -4294967296, 'hi');
select insert('hello', 1, 4294967296, 'hi');
select insert('hello', 1, -4294967297, 'hi');
select insert('hello', 1, 4294967297, 'hi');
select insert('hello', 1, -18446744073709551615, 'hi');
select insert('hello', 1, 18446744073709551615, 'hi');
select insert('hello', 1, -18446744073709551616, 'hi');
select insert('hello', 1, 18446744073709551616, 'hi');
select insert('hello', 1, -18446744073709551617, 'hi');
select insert('hello', 1, 18446744073709551617, 'hi');
select insert('hello', -1, -1, 'hi');
select insert('hello', -4294967295, -4294967295, 'hi');
select insert('hello', 4294967295, 4294967295, 'hi');
select insert('hello', -4294967296, -4294967296, 'hi');
select insert('hello', 4294967296, 4294967296, 'hi');
select insert('hello', -4294967297, -4294967297, 'hi');
select insert('hello', 4294967297, 4294967297, 'hi');
select insert('hello', -18446744073709551615, -18446744073709551615, 'hi');
select insert('hello', 18446744073709551615, 18446744073709551615, 'hi');
select insert('hello', -18446744073709551616, -18446744073709551616, 'hi');
select insert('hello', 18446744073709551616, 18446744073709551616, 'hi');
select insert('hello', -18446744073709551617, -18446744073709551617, 'hi');
select insert('hello', 18446744073709551617, 18446744073709551617, 'hi');
select repeat('hello', -1);
select repeat('hello', -4294967295);
select repeat('hello', 4294967295);
select repeat('hello', -4294967296);
select repeat('hello', 4294967296);
select repeat('hello', -4294967297);
select repeat('hello', 4294967297);
select repeat('hello', -18446744073709551615);
select repeat('hello', 18446744073709551615);
select repeat('hello', -18446744073709551616);
select repeat('hello', 18446744073709551616);
select repeat('hello', -18446744073709551617);
select repeat('hello', 18446744073709551617);
select space(-1);
select space(-4294967295);
select space(4294967295);
select space(-4294967296);
select space(4294967296);
select space(-4294967297);
select space(4294967297);
select space(-18446744073709551615);
select space(18446744073709551615);
select space(-18446744073709551616);
select space(18446744073709551616);
select space(-18446744073709551617);
select space(18446744073709551617);
select rpad('hello', -1, '1');
select rpad('hello', -4294967295, '1');
select rpad('hello', 4294967295, '1');
select rpad('hello', -4294967296, '1');
select rpad('hello', 4294967296, '1');
select rpad('hello', -4294967297, '1');
select rpad('hello', 4294967297, '1');
select rpad('hello', -18446744073709551615, '1');
select rpad('hello', 18446744073709551615, '1');
select rpad('hello', -18446744073709551616, '1');
select rpad('hello', 18446744073709551616, '1');
select rpad('hello', -18446744073709551617, '1');
select rpad('hello', 18446744073709551617, '1');
select lpad('hello', -1, '1');
select lpad('hello', -4294967295, '1');
select lpad('hello', 4294967295, '1');
select lpad('hello', -4294967296, '1');
select lpad('hello', 4294967296, '1');
select lpad('hello', -4294967297, '1');
select lpad('hello', 4294967297, '1');
select lpad('hello', -18446744073709551615, '1');
select lpad('hello', 18446744073709551615, '1');
select lpad('hello', -18446744073709551616, '1');
select lpad('hello', 18446744073709551616, '1');
select lpad('hello', -18446744073709551617, '1');
select lpad('hello', 18446744073709551617, '1');
--echo End of 5.0 tests
sql/item_func.cc
View file @ 7f1d94da
......@@ -2330,21 +2330,27 @@ longlong Item_func_locate::val_int()
return 0; /* purecov: inspected */
}
null_value=0;
uint start=0;
uint start0=0;
/* must be longlong to avoid truncation */
longlong start= 0;
longlong start0= 0;
my_match_t match;
if (arg_count == 3)
{
start0= start =(uint) args[2]->val_int()-1;
start=a->charpos(start);
if (start > a->length() || start+b->length() > a->length())
start0= start= args[2]->val_int() - 1;
if ((start < 0) || (start > a->length()))
return 0;
/* start is now sufficiently valid to pass to charpos function */
start= a->charpos(start);
if (start + b->length() > a->length())
return 0;
}
if (!b->length()) // Found empty string at start
return (longlong) (start+1);
return start + 1;
if (!cmp_collation.collation->coll->instr(cmp_collation.collation,
a->ptr()+start, a->length()-start,
......
sql/item_strfunc.cc
View file @ 7f1d94da
......@@ -951,22 +951,33 @@ String *Item_func_insert::val_str(String *str)
{
DBUG_ASSERT(fixed == 1);
String *res,*res2;
uint start,length;
longlong start, length; /* must be longlong to avoid truncation */
null_value=0;
res=args[0]->val_str(str);
res2=args[3]->val_str(&tmp_value);
start=(uint) args[1]->val_int()-1;
length=(uint) args[2]->val_int();
start= args[1]->val_int() - 1;
length= args[2]->val_int();
if (args[0]->null_value || args[1]->null_value || args[2]->null_value ||
args[3]->null_value)
goto null; /* purecov: inspected */
start=res->charpos(start);
length=res->charpos(length,start);
if (start > res->length()+1)
return res; // Wrong param; skip insert
if (length > res->length()-start)
length=res->length()-start;
if ((start < 0) || (start > res->length() + 1))
return res; // Wrong param; skip insert
if ((length < 0) || (length > res->length() + 1))
length= res->length() + 1;
/* start and length are now sufficiently valid to pass to charpos function */
start= res->charpos(start);
length= res->charpos(length, start);
/* Re-testing with corrected params */
if (start > res->length() + 1)
return res; // Wrong param; skip insert
if (length > res->length() - start)
length= res->length() - start;
if (res->length() - length + res2->length() >
current_thd->variables.max_allowed_packet)
{
......@@ -1039,16 +1050,21 @@ String *Item_str_conv::val_str(String *str)
String *Item_func_left::val_str(String *str)
{
DBUG_ASSERT(fixed == 1);
String *res =args[0]->val_str(str);
long length =(long) args[1]->val_int();
String *res= args[0]->val_str(str);
/* must be longlong to avoid truncation */
longlong length= args[1]->val_int();
uint char_pos;
if ((null_value=(args[0]->null_value || args[1]->null_value)))
return 0;
if (length <= 0)
/* if "unsigned_flag" is set, we have a *huge* positive number. */
if ((length <= 0) && (!args[1]->unsigned_flag))
return &my_empty_string;
if (res->length() <= (uint) length ||
res->length() <= (char_pos= res->charpos(length)))
if ((res->length() <= (ulonglong) length) ||
(res->length() <= (char_pos= res->charpos(length))))
return res;
tmp_value.set(*res, 0, char_pos);
......@@ -1080,14 +1096,18 @@ void Item_func_left::fix_length_and_dec()
String *Item_func_right::val_str(String *str)
{
DBUG_ASSERT(fixed == 1);
String *res =args[0]->val_str(str);
long length =(long) args[1]->val_int();
String *res= args[0]->val_str(str);
/* must be longlong to avoid truncation */
longlong length= args[1]->val_int();
if ((null_value=(args[0]->null_value || args[1]->null_value)))
return 0; /* purecov: inspected */
if (length <= 0)
/* if "unsigned_flag" is set, we have a *huge* positive number. */
if ((length <= 0) && (!args[1]->unsigned_flag))
return &my_empty_string; /* purecov: inspected */
if (res->length() <= (uint) length)
if (res->length() <= (ulonglong) length)
return res; /* purecov: inspected */
uint start=res->numchars();
......@@ -1110,25 +1130,43 @@ String *Item_func_substr::val_str(String *str)
{
DBUG_ASSERT(fixed == 1);
String *res = args[0]->val_str(str);
int32 start = (int32) args[1]->val_int();
int32 length = arg_count == 3 ? (int32) args[2]->val_int() : INT_MAX32;
int32 tmp_length;
/* must be longlong to avoid truncation */
longlong start= args[1]->val_int();
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Limit so that code sees out-of-bound value properly. */
longlong length= arg_count == 3 ? args[2]->val_int() : INT_MAX32;
longlong tmp_length;
if ((null_value=(args[0]->null_value || args[1]->null_value ||
(arg_count == 3 && args[2]->null_value))))
return 0; /* purecov: inspected */
start= (int32)((start < 0) ? res->numchars() + start : start -1);
start=res->charpos(start);
length=res->charpos(length,start);
if (start < 0 || (uint) start+1 > res->length() || length <= 0)
/* Negative length, will return empty string. */
if ((arg_count == 3) && (length <= 0) && !args[2]->unsigned_flag)
return &my_empty_string;
tmp_length=(int32) res->length()-start;
length=min(length,tmp_length);
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Set here so that rest of code sees out-of-bound value as such. */
if ((length <= 0) || (length > INT_MAX32))
length= INT_MAX32;
if (!start && res->length() == (uint) length)
/* if "unsigned_flag" is set, we have a *huge* positive number. */
/* Assumes that the maximum length of a String is < INT_MAX32. */
if ((args[1]->unsigned_flag) || (start < INT_MIN32) || (start > INT_MAX32))
return &my_empty_string;
start= ((start < 0) ? res->numchars() + start : start - 1);
start= res->charpos(start);
if ((start < 0) || ((uint) start + 1 > res->length()))
return &my_empty_string;
length= res->charpos(length, start);
tmp_length= res->length() - start;
length= min(length, tmp_length);
if (!start && res->length() == (ulonglong) length)
return res;
tmp_value.set(*res,(uint) start,(uint) length);
tmp_value.set(*res, (ulonglong) start, (ulonglong) length);
return &tmp_value;
}
......@@ -2141,8 +2179,15 @@ void Item_func_repeat::fix_length_and_dec()
collation.set(args[0]->collation);
if (args[1]->const_item())
{
ulonglong max_result_length= ((ulonglong) args[0]->max_length *
args[1]->val_int());
/* must be longlong to avoid truncation */
longlong count= args[1]->val_int();
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Set here so that rest of code sees out-of-bound value as such. */
if (count > INT_MAX32)
count= INT_MAX32;
ulonglong max_result_length= (ulonglong) args[0]->max_length * count;
if (max_result_length >= MAX_BLOB_WIDTH)
{
max_result_length= MAX_BLOB_WIDTH;
......@@ -2167,13 +2212,20 @@ String *Item_func_repeat::val_str(String *str)
DBUG_ASSERT(fixed == 1);
uint length,tot_length;
char *to;
long count= (long) args[1]->val_int();
String *res =args[0]->val_str(str);
/* must be longlong to avoid truncation */
longlong tmp_count= args[1]->val_int();
long count= tmp_count;
String *res= args[0]->val_str(str);
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Bounds check on count: If this is triggered, we will error. */
if ((tmp_count > INT_MAX32) || args[1]->unsigned_flag)
count= INT_MAX32;
if (args[0]->null_value || args[1]->null_value)
goto err; // string and/or delim are null
null_value=0;
if (count <= 0) // For nicer SQL code
null_value= 0;
if ((tmp_count <= 0) && !args[1]->unsigned_flag) // For nicer SQL code
return &my_empty_string;
if (count == 1) // To avoid reallocs
return res;
......@@ -2212,8 +2264,20 @@ void Item_func_rpad::fix_length_and_dec()
return;
if (args[1]->const_item())
{
ulonglong length= ((ulonglong) args[1]->val_int() *
collation.collation->mbmaxlen);
ulonglong length= 0;
if (collation.collation->mbmaxlen > 0)
{
ulonglong temp= (ulonglong) args[1]->val_int();
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Set here so that rest of code sees out-of-bound value as such. */
if (temp > INT_MAX32)
temp = INT_MAX32;
length= temp * collation.collation->mbmaxlen;
}
if (length >= MAX_BLOB_WIDTH)
{
length= MAX_BLOB_WIDTH;
......@@ -2235,21 +2299,30 @@ String *Item_func_rpad::val_str(String *str)
uint32 res_byte_length,res_char_length,pad_char_length,pad_byte_length;
char *to;
const char *ptr_pad;
int32 count= (int32) args[1]->val_int();
int32 byte_count= count * collation.collation->mbmaxlen;
String *res =args[0]->val_str(str);
String *rpad = args[2]->val_str(&rpad_str);
/* must be longlong to avoid truncation */
longlong count= args[1]->val_int();
longlong byte_count;
String *res= args[0]->val_str(str);
String *rpad= args[2]->val_str(&rpad_str);
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Set here so that rest of code sees out-of-bound value as such. */
if ((count > INT_MAX32) || args[1]->unsigned_flag)
count= INT_MAX32;
if (!res || args[1]->null_value || !rpad || count < 0)
goto err;
null_value=0;
if (count <= (int32) (res_char_length=res->numchars()))
if (count <= (res_char_length= res->numchars()))
{ // String to pad is big enough
res->length(res->charpos(count)); // Shorten result if longer
return (res);
}
pad_char_length= rpad->numchars();
if ((ulong) byte_count > current_thd->variables.max_allowed_packet)
byte_count= count * collation.collation->mbmaxlen;
if ((ulonglong) byte_count > current_thd->variables.max_allowed_packet)
{
push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_ALLOWED_PACKET_OVERFLOWED,
......@@ -2295,8 +2368,20 @@ void Item_func_lpad::fix_length_and_dec()
if (args[1]->const_item())
{
ulonglong length= ((ulonglong) args[1]->val_int() *
collation.collation->mbmaxlen);
ulonglong length= 0;
if (collation.collation->mbmaxlen > 0)
{
ulonglong temp= (ulonglong) args[1]->val_int();
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Set here so that rest of code sees out-of-bound value as such. */
if (temp > INT_MAX32)
temp= INT_MAX32;
length= temp * collation.collation->mbmaxlen;
}
if (length >= MAX_BLOB_WIDTH)
{
length= MAX_BLOB_WIDTH;
......@@ -2316,13 +2401,19 @@ String *Item_func_lpad::val_str(String *str)
{
DBUG_ASSERT(fixed == 1);
uint32 res_char_length,pad_char_length;
ulong count= (long) args[1]->val_int(), byte_count;
/* must be longlong to avoid truncation */
longlong count= args[1]->val_int();
longlong byte_count;
String *res= args[0]->val_str(&tmp_value);
String *pad= args[2]->val_str(&lpad_str);
if (!res || args[1]->null_value || !pad)
goto err;
/* Assumes that the maximum length of a String is < INT_MAX32. */
/* Set here so that rest of code sees out-of-bound value as such. */
if ((count > INT_MAX32) || args[1]->unsigned_flag)
count= INT_MAX32;
if (!res || args[1]->null_value || !pad || count < 0)
goto err;
null_value=0;
res_char_length= res->numchars();
......
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