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

into mysql.com:/home/my/mysql-5.0
This commit is contained in:
unknown 2005-02-22 18:31:30 +02:00
commit bf46e486bb
29 changed files with 208 additions and 52 deletions

View File

@ -27,6 +27,7 @@ bar@deer.(none)
bar@gw.udmsearch.izhnet.ru
bar@mysql.com
bar@noter.intranet.mysql.r18.ru
bell@51.0.168.192.in-addr.arpa
bell@laptop.sanja.is.com.ua
bell@sanja.is.com.ua
bk@admin.bk

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@ -2926,9 +2926,9 @@ com_status(String *buffer __attribute__((unused)),
MYSQL_ROW cur=mysql_fetch_row(result);
if (cur)
{
tee_fprintf(stdout, "Server characterset:\t%s\n", cur[0] ? cur[0] : "");
tee_fprintf(stdout, "Server characterset:\t%s\n", cur[2] ? cur[2] : "");
tee_fprintf(stdout, "Db characterset:\t%s\n", cur[3] ? cur[3] : "");
tee_fprintf(stdout, "Client characterset:\t%s\n", cur[2] ? cur[2] : "");
tee_fprintf(stdout, "Client characterset:\t%s\n", cur[0] ? cur[0] : "");
tee_fprintf(stdout, "Conn. characterset:\t%s\n", cur[1] ? cur[1] : "");
}
mysql_free_result(result);

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@ -120,25 +120,33 @@ int main(int argc, char **argv)
int count, error;
char **load_default_groups, *tmp_arguments[2],
**argument, **arguments;
char *defaults, *extra_defaults;
MY_INIT(argv[0]);
get_defaults_files(argc, argv, &defaults, &extra_defaults);
/*
** Check out the args
*/
if (get_options(&argc,&argv))
exit(1);
if (!(load_default_groups=(char**) my_malloc((argc+2)*sizeof(char*),
MYF(MY_WME))))
exit(1);
if (get_options(&argc,&argv))
exit(1);
for (count=0; *argv ; argv++,count++)
load_default_groups[count]= *argv;
load_default_groups[count]=0;
count=1;
count=0;
arguments=tmp_arguments;
arguments[0]=my_progname;
arguments[1]=0;
arguments[count++]=my_progname;
if (extra_defaults)
arguments[count++]= extra_defaults;
if (defaults)
arguments[count++]= defaults;
arguments[count]= 0;
if ((error= load_defaults(config_file, (const char **) load_default_groups,
&count, &arguments)))
{

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@ -450,6 +450,7 @@ while test $# -gt 0; do
--debug=d:t:A,$MYSQL_TEST_DIR/var/log/mysqldump.trace"
EXTRA_MYSQLBINLOG_OPT="$EXTRA_MYSQLBINLOG_OPT \
--debug=d:t:A,$MYSQL_TEST_DIR/var/log/mysqlbinlog.trace"
EXTRA_MYSQL_CLIENT_TEST_OPT="--debug=d:t:A,$MYSQL_TEST_DIR/var/log/mysql_client_test.trace"
;;
--fast)
FAST_START=1
@ -690,7 +691,7 @@ then
EXTRA_SLAVE_MYSQLD_OPT="$EXTRA_SLAVE_MYSQLD_OPT --user=root"
fi
MYSQL_CLIENT_TEST="$MYSQL_CLIENT_TEST --no-defaults --testcase --user=root --socket=$MASTER_MYSOCK --port=$MYSQL_TCP_PORT --silent"
MYSQL_CLIENT_TEST="$MYSQL_CLIENT_TEST --no-defaults --testcase --user=root --socket=$MASTER_MYSOCK --port=$MYSQL_TCP_PORT --silent $EXTRA_MYSQL_CLIENT_TEST_OPT"
MYSQL_DUMP="$MYSQL_DUMP --no-defaults -uroot --socket=$MASTER_MYSOCK --password=$DBPASSWD $EXTRA_MYSQLDUMP_OPT"
MYSQL_BINLOG="$MYSQL_BINLOG --no-defaults --local-load=$MYSQL_TMP_DIR --character-sets-dir=$CHARSETSDIR $EXTRA_MYSQLBINLOG_OPT"
MYSQL_FIX_SYSTEM_TABLES="$MYSQL_FIX_SYSTEM_TABLES --no-defaults --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD --basedir=$BASEDIR --bindir=$CLIENT_BINDIR --verbose"

View File

@ -325,3 +325,8 @@ latin1_bin 6109
latin1_bin 61
latin1_bin 6120
drop table t1;
CREATE TABLE „a (a int);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '„a (a int)' at line 1
SELECT '„a' as str;
str
„a

View File

@ -861,3 +861,6 @@ user c
one <one>
two <two>
DROP TABLE t1;
select convert(_koi8r'É' using utf8) < convert(_koi8r'Ê' using utf8);
convert(_koi8r'É' using utf8) < convert(_koi8r'Ê' using utf8)
1

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@ -344,3 +344,22 @@ INSERT INTO t1 VALUES ('root','localhost'), ('root','%');
SELECT * FROM (SELECT (SELECT a.a FROM t1 AS a WHERE a.a = b.a) FROM t1 AS b) AS c;
ERROR 21000: Subquery returns more than 1 row
DROP TABLE t1;
create table t1(a int);
create table t2(a int);
create table t3(a int);
insert into t1 values(1),(1);
insert into t2 values(2),(2);
insert into t3 values(3),(3);
select * from t1 union distinct select * from t2 union all select * from t3;
a
1
2
3
3
select * from (select * from t1 union distinct select * from t2 union all select * from t3) X;
a
1
2
3
3
drop table t1, t2, t3;

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@ -1,5 +1,6 @@
drop table if exists t5, t6, t7, t8;
drop database if exists mysqltest ;
drop database if exists client_test_db;
drop database if exists testtets;
drop table if exists t1Aa,t2Aa,v1Aa,v2Aa;
drop view if exists t1Aa,t2Aa,v1Aa,v2Aa;

View File

@ -852,8 +852,8 @@ NULL NULL
3.40282e+38 0
DROP TABLE t1;
CREATE TABLE t1 (col1 DOUBLE PRECISION, col2 DOUBLE PRECISION UNSIGNED);
INSERT INTO t1 VALUES (-2.2E-307,0),(+1.7E+308,+1.7E+308);
INSERT INTO t1 VALUES ('-2.2E-307',0),('+1.7E+308','+1.7E+308');
INSERT INTO t1 VALUES (-2.2E-307,0),(2E-307,0),(+1.7E+308,+1.7E+308);
INSERT INTO t1 VALUES ('-2.2E-307',0),('-2E-307',0),('+1.7E+308','+1.7E+308');
INSERT INTO t1 (col1) VALUES (-2.2E-330);
INSERT INTO t1 (col1) VALUES (+1.7E+309);
Got one of the listed errors
@ -864,7 +864,7 @@ ERROR 22003: Out of range value adjusted for column 'col1' at row 1
INSERT INTO t1 (col2) VALUES ('-1.2E-3');
ERROR 22003: Out of range value adjusted for column 'col2' at row 1
UPDATE t1 SET col1 =col1 * 5000 WHERE col1 > 0;
ERROR 22003: Out of range value adjusted for column 'col1' at row 2
ERROR 22003: Out of range value adjusted for column 'col1' at row 3
UPDATE t1 SET col2 =col2 / 0 WHERE col2 > 0;
ERROR 22012: Division by 0
UPDATE t1 SET col2= MOD(col2,0) WHERE col2 > 0;
@ -890,9 +890,11 @@ Warning 1264 Out of range value adjusted for column 'col2' at row 1
Warning 1264 Out of range value adjusted for column 'col2' at row 1
SELECT * FROM t1;
col1 col2
-2.2e-307 0
0 0
1e-303 0
1.7e+308 1.7e+308
-2.2e-307 0
0 0
-2e-307 0
1.7e+308 1.7e+308
0 NULL
2 NULL

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@ -11,6 +11,12 @@ SELECT 1e1,1.e1,1.0e1,1e+1,1.e+1,1.0e+1,1e-1,1.e-1,1.0e-1;
SELECT 0.001e+1,0.001e-1, -0.001e+01,-0.001e-01;
0.001e+1 0.001e-1 -0.001e+01 -0.001e-01
0.01 0.0001 -0.01 -0.0001
SELECT 123.23E+02,-123.23E-02,"123.23E+02"+0.0,"-123.23E-02"+0.0;
123.23E+02 -123.23E-02 "123.23E+02"+0.0 "-123.23E-02"+0.0
12323 -1.2323 12323 -1.2323
SELECT 2147483647E+02,21474836.47E+06;
2147483647E+02 21474836.47E+06
214748364700 21474836470000
create table t1 (f1 float(24),f2 float(52));
show full columns from t1;
Field Type Collation Null Key Default Extra Privileges Comment
@ -209,3 +215,23 @@ c
0.0002
2e-05
drop table t1;
CREATE TABLE t1 (
reckey int unsigned NOT NULL,
recdesc varchar(50) NOT NULL,
PRIMARY KEY (reckey)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES (108, 'Has 108 as key');
INSERT INTO t1 VALUES (109, 'Has 109 as key');
select * from t1 where reckey=108;
reckey recdesc
108 Has 108 as key
select * from t1 where reckey=1.08E2;
reckey recdesc
108 Has 108 as key
select * from t1 where reckey=109;
reckey recdesc
109 Has 109 as key
select * from t1 where reckey=1.09E2;
reckey recdesc
109 Has 109 as key
drop table t1;

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@ -127,7 +127,7 @@ drop table t1;
set @a=_latin2'test';
select charset(@a),collation(@a),coercibility(@a);
charset(@a) collation(@a) coercibility(@a)
latin2 latin2_general_ci 3
latin2 latin2_general_ci 2
select @a=_latin2'TEST';
@a=_latin2'TEST'
1
@ -137,12 +137,13 @@ select @a=_latin2'TEST' collate latin2_bin;
set @a=_latin2'test' collate latin2_general_ci;
select charset(@a),collation(@a),coercibility(@a);
charset(@a) collation(@a) coercibility(@a)
latin2 latin2_general_ci 0
latin2 latin2_general_ci 2
select @a=_latin2'TEST';
@a=_latin2'TEST'
1
select @a=_latin2'TEST' collate latin2_bin;
ERROR HY000: Illegal mix of collations (latin2_general_ci,EXPLICIT) and (latin2_bin,EXPLICIT) for operation '='
@a=_latin2'TEST' collate latin2_bin
0
select charset(@a:=_latin2'test');
charset(@a:=_latin2'test')
latin2
@ -151,21 +152,22 @@ collation(@a:=_latin2'test')
latin2_general_ci
select coercibility(@a:=_latin2'test');
coercibility(@a:=_latin2'test')
3
2
select collation(@a:=_latin2'test' collate latin2_bin);
collation(@a:=_latin2'test' collate latin2_bin)
latin2_bin
select coercibility(@a:=_latin2'test' collate latin2_bin);
coercibility(@a:=_latin2'test' collate latin2_bin)
0
2
select (@a:=_latin2'test' collate latin2_bin) = _latin2'TEST';
(@a:=_latin2'test' collate latin2_bin) = _latin2'TEST'
0
select charset(@a),collation(@a),coercibility(@a);
charset(@a) collation(@a) coercibility(@a)
latin2 latin2_bin 0
latin2 latin2_bin 2
select (@a:=_latin2'test' collate latin2_bin) = _latin2'TEST' collate latin2_general_ci;
ERROR HY000: Illegal mix of collations (latin2_bin,EXPLICIT) and (latin2_general_ci,EXPLICIT) for operation '='
(@a:=_latin2'test' collate latin2_bin) = _latin2'TEST' collate latin2_general_ci
1
create table t1 (a varchar(50));
reset master;
SET TIMESTAMP=10000;

View File

@ -66,3 +66,12 @@ SET collation_connection='latin1_swedish_ci';
-- source include/ctype_filesort.inc
SET collation_connection='latin1_bin';
-- source include/ctype_filesort.inc
#
# Bug#8041
# An unknown character (e.g. 0x84) should result in ERROR,
# It was treated like a space character earlier.
# Howerver, it should still work fine as a string part.
--error 1064
CREATE TABLE „a (a int);
SELECT '„a' as str;

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@ -693,3 +693,8 @@ INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
DROP TABLE t1;
#
# Bug#8385: utf8_general_ci treats Cyrillic letters I and SHORT I as the same
#
select convert(_koi8r'É' using utf8) < convert(_koi8r'Ê' using utf8);

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@ -236,3 +236,15 @@ INSERT INTO t1 VALUES ('root','localhost'), ('root','%');
--error 1242
SELECT * FROM (SELECT (SELECT a.a FROM t1 AS a WHERE a.a = b.a) FROM t1 AS b) AS c;
DROP TABLE t1;
#
# test of union subquery in the FROM clause with complex distinct/all (BUG#6565)
#
create table t1(a int);
create table t2(a int);
create table t3(a int);
insert into t1 values(1),(1);
insert into t2 values(2),(2);
insert into t3 values(3),(3);
select * from t1 union distinct select * from t2 union all select * from t3;
select * from (select * from t1 union distinct select * from t2 union all select * from t3) X;
drop table t1, t2, t3;

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@ -1,3 +1,10 @@
# We run with different binaries for normal and --embedded-server
#
# If this test fails with "command "$MYSQL_CLIENT_TEST" failed",
# you should either run mysql_client_test separartely against a running
# server or run mysql-test-run --debug mysql_client_test and check
# var/log/mysql_client_test.trace
--disable_result_log
--exec echo $MYSQL_CLIENT_TEST
--exec $MYSQL_CLIENT_TEST

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@ -11,7 +11,9 @@
--disable_warnings
drop table if exists t5, t6, t7, t8;
drop database if exists mysqltest ;
# Cleanup from other tests
drop database if exists client_test_db;
drop database if exists testtets;
drop table if exists t1Aa,t2Aa,v1Aa,v2Aa;
drop view if exists t1Aa,t2Aa,v1Aa,v2Aa;

View File

@ -828,8 +828,8 @@ DROP TABLE t1;
# Test INSERT with DOUBLE
CREATE TABLE t1 (col1 DOUBLE PRECISION, col2 DOUBLE PRECISION UNSIGNED);
INSERT INTO t1 VALUES (-2.2E-307,0),(+1.7E+308,+1.7E+308);
INSERT INTO t1 VALUES ('-2.2E-307',0),('+1.7E+308','+1.7E+308');
INSERT INTO t1 VALUES (-2.2E-307,0),(2E-307,0),(+1.7E+308,+1.7E+308);
INSERT INTO t1 VALUES ('-2.2E-307',0),('-2E-307',0),('+1.7E+308','+1.7E+308');
# We don't give warnings for underflow
INSERT INTO t1 (col1) VALUES (-2.2E-330);
--error 1367,1264

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@ -12,6 +12,8 @@ SELECT 10,10.0,10.,.1e+2,100.0e-1;
SELECT 6e-05, -6e-05, --6e-05, -6e-05+1.000000;
SELECT 1e1,1.e1,1.0e1,1e+1,1.e+1,1.0e+1,1e-1,1.e-1,1.0e-1;
SELECT 0.001e+1,0.001e-1, -0.001e+01,-0.001e-01;
SELECT 123.23E+02,-123.23E-02,"123.23E+02"+0.0,"-123.23E-02"+0.0;
SELECT 2147483647E+02,21474836.47E+06;
create table t1 (f1 float(24),f2 float(52));
show full columns from t1;
@ -122,3 +124,23 @@ create table t1 (c char(6));
insert into t1 values (2e5),(2e6),(2e-4),(2e-5);
select * from t1;
drop table t1;
#
# Test of comparison of integer with float-in-range (Bug #7840)
# This is needed because some ODBC applications (like Foxpro) uses
# floats for everything.
#
CREATE TABLE t1 (
reckey int unsigned NOT NULL,
recdesc varchar(50) NOT NULL,
PRIMARY KEY (reckey)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES (108, 'Has 108 as key');
INSERT INTO t1 VALUES (109, 'Has 109 as key');
select * from t1 where reckey=108;
select * from t1 where reckey=1.08E2;
select * from t1 where reckey=109;
select * from t1 where reckey=1.09E2;
drop table t1;

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@ -85,7 +85,6 @@ select @a=_latin2'TEST' collate latin2_bin;
set @a=_latin2'test' collate latin2_general_ci;
select charset(@a),collation(@a),coercibility(@a);
select @a=_latin2'TEST';
--error 1267
select @a=_latin2'TEST' collate latin2_bin;
#
@ -98,7 +97,6 @@ select collation(@a:=_latin2'test' collate latin2_bin);
select coercibility(@a:=_latin2'test' collate latin2_bin);
select (@a:=_latin2'test' collate latin2_bin) = _latin2'TEST';
select charset(@a),collation(@a),coercibility(@a);
--error 1267
select (@a:=_latin2'test' collate latin2_bin) = _latin2'TEST' collate latin2_general_ci;
# Check that user variables are binlogged correctly (BUG#3875)

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@ -64,7 +64,7 @@ static my_bool init_state_maps(CHARSET_INFO *cs)
else if (my_mbcharlen(cs, i)>1)
state_map[i]=(uchar) MY_LEX_IDENT;
#endif
else if (!my_isgraph(cs,i))
else if (my_isspace(cs,i))
state_map[i]=(uchar) MY_LEX_SKIP;
else
state_map[i]=(uchar) MY_LEX_CHAR;

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@ -2432,12 +2432,23 @@ void Field_medium::sql_type(String &res) const
** long int
****************************************************************************/
/*
A helper function to check whether the next character
in the string "s" is MINUS SIGN.
*/
#ifdef HAVE_CHARSET_ucs2
static bool test_if_minus(CHARSET_INFO *cs,
const char *s, const char *e)
{
my_wc_t wc;
return cs->cset->mb_wc(cs, &wc, (uchar*) s, (uchar*) e) > 0 && wc == '-';
}
#else
/*
If not UCS2 support is compiled then it is easier
*/
#define test_if_minus(cs, s, e) (*s == '-')
#endif
int Field_long::store(const char *from,uint len,CHARSET_INFO *cs)

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@ -3169,7 +3169,7 @@ static user_var_entry *get_variable(HASH *hash, LEX_STRING &name,
entry->value=0;
entry->length=0;
entry->update_query_id=0;
entry->collation.set(NULL, DERIVATION_NONE);
entry->collation.set(NULL, DERIVATION_IMPLICIT);
/*
If we are here, we were called from a SET or a query which sets a
variable. Imagine it is this:
@ -3227,8 +3227,8 @@ bool Item_func_set_user_var::fix_fields(THD *thd, TABLE_LIST *tables,
and the variable has previously been initialized.
*/
if (!entry->collation.collation || !args[0]->null_value)
entry->collation.set(args[0]->collation);
collation.set(entry->collation);
entry->collation.set(args[0]->collation.collation, DERIVATION_IMPLICIT);
collation.set(entry->collation.collation, DERIVATION_IMPLICIT);
cached_result_type= args[0]->result_type();
return FALSE;
}
@ -3240,7 +3240,7 @@ Item_func_set_user_var::fix_length_and_dec()
maybe_null=args[0]->maybe_null;
max_length=args[0]->max_length;
decimals=args[0]->decimals;
collation.set(args[0]->collation);
collation.set(args[0]->collation.collation, DERIVATION_IMPLICIT);
}
@ -3516,7 +3516,7 @@ Item_func_set_user_var::update()
res= update_hash((void*) save_result.vstr->ptr(),
save_result.vstr->length(), STRING_RESULT,
save_result.vstr->charset(),
args[0]->collation.derivation);
DERIVATION_IMPLICIT);
break;
}
case DECIMAL_RESULT:

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@ -691,16 +691,24 @@ public:
{
int err_not_used;
char *end_not_used;
String *res; res=val_str(&str_value);
String *res;
res=val_str(&str_value);
return res ? my_strntod(res->charset(),(char*) res->ptr(),res->length(),
&end_not_used, &err_not_used) : 0.0;
}
longlong val_int()
{
int err_not_used;
String *res; res=val_str(&str_value);
return res ? my_strntoll(res->charset(),res->ptr(),res->length(),10,
(char**) 0, &err_not_used) : (longlong) 0;
char *end;
String *res;
longlong value;
CHARSET_INFO *cs;
if (!(res= val_str(&str_value)))
return 0; /* Null value */
cs= res->charset();
end= (char*) res->ptr()+res->length();
return cs->cset->my_strtoll10(cs, res->ptr(), &end, &err_not_used);
}
my_decimal *val_decimal(my_decimal *dec);
enum Item_result result_type () const { return STRING_RESULT; }

View File

@ -110,7 +110,7 @@ public:
{
int err_not_used;
char *end_not_used;
CHARSET_INFO *cs=str_value.charset();
CHARSET_INFO *cs= str_value.charset();
return my_strntod(cs, (char*) str_value.ptr(), str_value.length(),
&end_not_used, &err_not_used);
}

View File

@ -124,10 +124,16 @@ int mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *orig_table_list)
/*
Temp table is created so that it hounours if UNION without ALL is to be
processed
As 'distinct' parameter we always pass FALSE (0), because underlying
query will control distinct condition by itself. Correct test of
distinct underlying query will be is_union &&
!unit->union_distinct->next_select() (i.e. it is union and last distinct
SELECT is last SELECT of UNION).
*/
if (!(table= create_tmp_table(thd, &derived_result->tmp_table_param,
unit->types, (ORDER*) 0,
is_union && unit->union_distinct, 1,
FALSE, 1,
(first_select->options | thd->options |
TMP_TABLE_ALL_COLUMNS),
HA_POS_ERROR,

View File

@ -707,7 +707,12 @@ bool mysql_multi_update_prepare(THD *thd)
else
{
DBUG_PRINT("info",("setting table `%s` for read-only", tl->alias));
tl->lock_type= TL_READ;
/*
If we are using the binary log, we need TL_READ_NO_INSERT to get
correct order of statements. Otherwise, we use a TL_READ lock to
improve performance.
*/
tl->lock_type= using_update_log ? TL_READ_NO_INSERT : TL_READ;
tl->updating= 0;
}

View File

@ -2451,7 +2451,7 @@ create_select:
SELECT_SYM
{
LEX *lex=Lex;
lex->lock_option= (using_update_log) ? TL_READ_NO_INSERT : TL_READ;
lex->lock_option= using_update_log ? TL_READ_NO_INSERT : TL_READ;
if (lex->sql_command == SQLCOM_INSERT)
lex->sql_command= SQLCOM_INSERT_SELECT;
else if (lex->sql_command == SQLCOM_REPLACE)

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@ -578,7 +578,7 @@ static MY_UNICASE_INFO plane04[]={
{0x0412,0x0432,0x0412}, {0x0413,0x0433,0x0413},
{0x0414,0x0434,0x0414}, {0x0415,0x0435,0x0415},
{0x0416,0x0436,0x0416}, {0x0417,0x0437,0x0417},
{0x0418,0x0438,0x0418}, {0x0419,0x0439,0x0418},
{0x0418,0x0438,0x0418}, {0x0419,0x0439,0x0419},
{0x041A,0x043A,0x041A}, {0x041B,0x043B,0x041B},
{0x041C,0x043C,0x041C}, {0x041D,0x043D,0x041D},
{0x041E,0x043E,0x041E}, {0x041F,0x043F,0x041F},
@ -594,7 +594,7 @@ static MY_UNICASE_INFO plane04[]={
{0x0412,0x0432,0x0412}, {0x0413,0x0433,0x0413},
{0x0414,0x0434,0x0414}, {0x0415,0x0435,0x0415},
{0x0416,0x0436,0x0416}, {0x0417,0x0437,0x0417},
{0x0418,0x0438,0x0418}, {0x0419,0x0439,0x0418},
{0x0418,0x0438,0x0418}, {0x0419,0x0439,0x0419},
{0x041A,0x043A,0x041A}, {0x041B,0x043B,0x041B},
{0x041C,0x043C,0x041C}, {0x041D,0x043D,0x041D},
{0x041E,0x043E,0x041E}, {0x041F,0x043F,0x041F},

View File

@ -56,8 +56,8 @@ static double scaler1[] = {
double my_strtod(const char *str, char **end_ptr, int *error)
{
double result= 0.0;
uint negative= 0, ndigits, dec_digits= 0, pre_zero, neg_exp= 0;
int exp= 0;
uint negative= 0, ndigits, dec_digits= 0, neg_exp= 0;
int exp= 0, digits_after_dec_point= 0;
const char *old_str, *end= *end_ptr, *start_of_number;
char next_char;
my_bool overflow=0;
@ -100,18 +100,20 @@ double my_strtod(const char *str, char **end_ptr, int *error)
}
ndigits= (uint) (str-old_str);
pre_zero= 0;
if (next_char == '.' && str < end-1)
{
double p10= 10;
/*
Continue to add numbers after decimal point to the result, as if there
was no decimal point. We will later (in the exponent handling) shift
the number down with the required number of fractions. We do it this
way to be able to get maximum precision for numbers like 123.45E+02,
which are normal for some ODBC applications.
*/
old_str= ++str;
while (my_isdigit(&my_charset_latin1, (next_char= *str)))
{
result+= (next_char - '0')/p10;
if (!result)
pre_zero++;
else
p10*= 10;
result= result*10.0 + (next_char - '0');
digits_after_dec_point++;
if (++str == end)
{
next_char= 0;
@ -136,13 +138,14 @@ double my_strtod(const char *str, char **end_ptr, int *error)
{
do
{
if (exp < 9999) /* protec against exp overfl. */
exp= exp*10 + *str - '0';
if (exp < 9999) /* prot. against exp overfl. */
exp= exp*10 + (*str - '0');
str++;
} while (str < end && my_isdigit(&my_charset_latin1, *str));
}
}
if ((exp= neg_exp ? exp + pre_zero : exp - pre_zero))
if ((exp= (neg_exp ? exp + digits_after_dec_point :
exp - digits_after_dec_point)))
{
double scaler;
if (exp < 0)