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Merge paul@bk-internal.mysql.com:/home/bk/mysql-4.1

Browse source 
into ice.snake.net:/Users/paul/mysql-4.1
This commit is contained in:
paul@ice.snake.net 2003-07-08 15:48:52 -05:00
commit a4ad9b4ae6
21 changed files with 1151 additions and 84 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
include/mysql.h
View file

@ -566,6 +566,7 @@ unsigned long STDCALL mysql_param_count(MYSQL_STMT * stmt);
my_bool STDCALL mysql_bind_param(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
my_bool STDCALL mysql_bind_result(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
my_bool STDCALL mysql_stmt_close(MYSQL_STMT * stmt);
my_bool STDCALL mysql_stmt_reset(MYSQL_STMT * stmt);
my_bool STDCALL mysql_stmt_free_result(MYSQL_STMT *stmt);
unsigned int STDCALL mysql_stmt_errno(MYSQL_STMT * stmt);
const char *STDCALL mysql_stmt_error(MYSQL_STMT * stmt);

1
include/mysql_com.h
View file

@ -44,6 +44,7 @@ enum enum_server_command
COM_TIME, COM_DELAYED_INSERT, COM_CHANGE_USER, COM_BINLOG_DUMP,
COM_TABLE_DUMP, COM_CONNECT_OUT, COM_REGISTER_SLAVE,
COM_PREPARE, COM_EXECUTE, COM_LONG_DATA, COM_CLOSE_STMT,
COM_RESET_STMT,
COM_END /* Must be last */
};

23
libmysql/libmysql.c
View file

@ -3316,6 +3316,7 @@ mysql_stmt_data_seek(MYSQL_STMT *stmt, my_ulonglong row)
}
else
DBUG_PRINT("exit", ("stmt doesn't contain any resultset"));
DBUG_VOID_RETURN;
}
@ -3421,6 +3422,28 @@ my_bool STDCALL mysql_stmt_close(MYSQL_STMT *stmt)
return stmt_close(stmt, 0);
}
/*
Reset the statement buffers in server
*/
my_bool STDCALL mysql_stmt_reset(MYSQL_STMT *stmt)
{
char buff[MYSQL_STMT_HEADER];
MYSQL *mysql;
DBUG_ENTER("mysql_stmt_reset");
DBUG_ASSERT(stmt != 0);
mysql= stmt->mysql->last_used_con;
int4store(buff, stmt->stmt_id); /* Send stmt id to server */
if (advanced_command(mysql, COM_RESET_STMT,buff,MYSQL_STMT_HEADER,0,0,1))
{
set_stmt_errmsg(stmt, mysql->net.last_error, mysql->net.last_errno,
mysql->net.sqlstate);
DBUG_RETURN(1);
}
DBUG_RETURN(0);
}
/*
Return statement error code
*/

1
libmysql/libmysql.def
View file

@ -98,6 +98,7 @@ EXPORTS
mysql_stat
mysql_stmt_affected_rows
mysql_stmt_close
mysql_stmt_reset
mysql_stmt_data_seek
mysql_stmt_errno
mysql_stmt_error

4
mysql-test/r/cast.result
View file

@ -44,10 +44,10 @@ t1 CREATE TABLE `t1` (
drop table t1;
select cast("2001-1-1" as date) = "2001-01-01";
cast("2001-1-1" as date) = "2001-01-01"
0
1
select cast("2001-1-1" as datetime) = "2001-01-01 00:00:00";
cast("2001-1-1" as datetime) = "2001-01-01 00:00:00"
0
1
select cast("1:2:3" as TIME) = "1:02:03";
cast("1:2:3" as TIME) = "1:02:03"
0

200
mysql-test/r/func_sapdb.result Normal file
View file

@ -0,0 +1,200 @@
drop table if exists t1, test;
select extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123");
extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123")
2101112000123
select extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123");
extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123")
101112000123
select extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123");
extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123")
1112000123
select extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123");
extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123")
12000123
select extract(MICROSECOND FROM "1999-01-02 10:11:12.000123");
extract(MICROSECOND FROM "1999-01-02 10:11:12.000123")
123
select date_format("1997-12-31 23:59:59.000002", "%f");
date_format("1997-12-31 23:59:59.000002", "%f")
000002
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND);
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND)
2025-05-23 04:40:39.000001
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND);
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND)
1999-02-21 17:40:39.000001
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND);
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND)
1998-01-07 22:41:39.000001
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND);
date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND)
1998-01-01 02:46:40.000001
select date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND);
date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND)
1998-01-01 00:00:00.000001
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND);
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND)
1997-12-30 22:58:58.999999
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND);
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND)
1997-12-31 22:58:58.999999
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND);
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND)
1997-12-31 23:58:58.999999
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND);
date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND)
1997-12-31 23:59:58.999999
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND);
date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND)
1997-12-31 23:59:59.999999
select adddate("1997-12-31 23:59:59.000001", 10);
adddate("1997-12-31 23:59:59.000001", 10)
1998-01-10 23:59:59.000001
select subdate("1997-12-31 23:59:59.000001", 10);
subdate("1997-12-31 23:59:59.000001", 10)
1997-12-21 23:59:59.000001
select datediff("1997-12-31 23:59:59.000001","1997-12-30");
datediff("1997-12-31 23:59:59.000001","1997-12-30")
1
select datediff("1997-11-31 23:59:59.000001","1997-12-31");
datediff("1997-11-31 23:59:59.000001","1997-12-31")
-30
select datediff("1997-11-31 23:59:59.000001",null);
datediff("1997-11-31 23:59:59.000001",null)
NULL
select weekofyear("1997-11-31 23:59:59.000001");
weekofyear("1997-11-31 23:59:59.000001")
49
select makedate(1997,1);
makedate(1997,1)
1997-01-01
select makedate(1997,0);
makedate(1997,0)
NULL
select addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002")
1998-01-02 01:01:01.000001
select subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002");
subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002")
1997-12-30 22:58:57.999999
select addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
NULL
select subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
NULL
select subtime("01:00:00.999999", "02:00:00.999998");
subtime("01:00:00.999999", "02:00:00.999998")
-00:59:59.999999
select subtime("02:01:01.999999", "01:01:01.999999");
subtime("02:01:01.999999", "01:01:01.999999")
01:00:00.000000
select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002");
timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002")
8807:59:59.999999
select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002");
timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002")
46:58:57.999999
select timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002");
timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002")
-23:59:59.999999
select timediff("1997-12-31 23:59:59.000001","23:59:59.000001");
timediff("1997-12-31 23:59:59.000001","23:59:59.000001")
NULL
select timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.000001");
timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.000001")
-00:00:00.000001
select maketime(10,11,12);
maketime(10,11,12)
10:11:12
select maketime(25,11,12);
maketime(25,11,12)
25:11:12
select maketime(-25,11,12);
maketime(-25,11,12)
-25:11:12
select timestamp("2001-12-01", "01:01:01.999999");
timestamp("2001-12-01", "01:01:01.999999")
2001-12-01 01:01:01.999999
select timestamp("2001-13-01", "01:01:01.000001");
timestamp("2001-13-01", "01:01:01.000001")
NULL
select timestamp("2001-12-01", "25:01:01");
timestamp("2001-12-01", "25:01:01")
2001-12-02 01:01:01
select timestamp("2001-12-01 01:01:01.000100");
timestamp("2001-12-01 01:01:01.000100")
2001-12-01 01:01:01.000100
select timestamp("2001-12-01");
timestamp("2001-12-01")
2001-12-01 00:00:00
select day("1997-12-31 23:59:59.000001");
day("1997-12-31 23:59:59.000001")
31
select date("1997-12-31 23:59:59.000001");
date("1997-12-31 23:59:59.000001")
1997-12-31
select date("1997-13-31 23:59:59.000001");
date("1997-13-31 23:59:59.000001")
NULL
select time("1997-12-31 23:59:59.000001");
time("1997-12-31 23:59:59.000001")
23:59:59.000001
select time("1997-12-31 25:59:59.000001");
time("1997-12-31 25:59:59.000001")
NULL
select microsecond("1997-12-31 23:59:59.000001");
microsecond("1997-12-31 23:59:59.000001")
1
create table t1
select makedate(1997,1) as f1,
addtime(cast("1997-12-31 23:59:59.000001" as datetime), "1 1:1:1.000002") as f2,
addtime(cast("23:59:59.999999" as time) , "1 1:1:1.000002") as f3,
timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002") as f4,
timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002") as f5,
maketime(10,11,12) as f6,
timestamp(cast("2001-12-01" as date), "01:01:01") as f7,
date("1997-12-31 23:59:59.000001") as f8,
time("1997-12-31 23:59:59.000001") as f9;
describe t1;
Field Type Null Key Default Extra
f1 date 0000-00-00
f2 datetime 0000-00-00 00:00:00
f3 time 00:00:00
f4 time 00:00:00
f5 time 00:00:00
f6 time 00:00:00
f7 datetime 0000-00-00 00:00:00
f8 date 0000-00-00
f9 time 00:00:00
select * from t1;
f1 f2 f3 f4 f5 f6 f7 f8 f9
1997-01-01 1998-01-02 01:01:00 49:01:01 46:58:57 -23:59:59 10:11:12 2001-12-01 01:01:01 1997-12-31 23:59:59
create table test(t1 datetime, t2 time, t3 time, t4 datetime);
insert into test values
('2001-01-01 01:01:01', '01:01:01', null, '2001-02-01 01:01:01'),
('2001-01-01 01:01:01', '-01:01:01', '-23:59:59', "1997-12-31 23:59:59.000001"),
('1997-12-31 23:59:59.000001', '-23:59:59', '-01:01:01', '2001-01-01 01:01:01'),
('2001-01-01 01:01:01', '01:01:01', '-1 01:01:01', null),
('2001-01-01 01:01:01', null, '-1 01:01:01', null),
(null, null, null, null),
('2001-01-01 01:01:01', '01:01:01', '1 01:01:01', '2001-01-01 01:01:01');
SELECT ADDTIME(t1,t2) As ttt, ADDTIME(t2, t3) As qqq from test;
ttt qqq
2001-01-01 02:02:02 NULL
2001-01-01 00:00:00 -25:01:00
1997-12-31 00:00:00 -25:01:00
2001-01-01 02:02:02 -24:00:00
NULL NULL
NULL NULL
2001-01-01 02:02:02 26:02:02
SELECT TIMEDIFF(t1,t4) As ttt, TIMEDIFF(t2, t3) As qqq from test;
ttt qqq
-744:00:00 NULL
26305:01:02 22:58:58
-26305:01:02 -22:58:58
NULL 26:02:02
NULL NULL
NULL NULL
00:00:00 -24:00:00
drop table t1, test;

99
mysql-test/t/func_sapdb.test Normal file
View file

@ -0,0 +1,99 @@
--disable_warnings
drop table if exists t1, test;
--enable_warnings
#
# time functions
#
select extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123");
select extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123");
select extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123");
select extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123");
select extract(MICROSECOND FROM "1999-01-02 10:11:12.000123");
select date_format("1997-12-31 23:59:59.000002", "%f");
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND);
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND);
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND);
select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND);
select date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND);
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND);
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND);
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND);
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND);
select date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND);
#Date functions
select adddate("1997-12-31 23:59:59.000001", 10);
select subdate("1997-12-31 23:59:59.000001", 10);
select datediff("1997-12-31 23:59:59.000001","1997-12-30");
select datediff("1997-11-31 23:59:59.000001","1997-12-31");
select datediff("1997-11-31 23:59:59.000001",null);
select weekofyear("1997-11-31 23:59:59.000001");
select makedate(1997,1);
select makedate(1997,0);
#Time functions
select addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
select subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002");
select addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
select subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
select subtime("01:00:00.999999", "02:00:00.999998");
select subtime("02:01:01.999999", "01:01:01.999999");
select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002");
select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002");
select timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002");
select timediff("1997-12-31 23:59:59.000001","23:59:59.000001");
select timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.000001");
select maketime(10,11,12);
select maketime(25,11,12);
select maketime(-25,11,12);
#Extraction functions
select timestamp("2001-12-01", "01:01:01.999999");
select timestamp("2001-13-01", "01:01:01.000001");
select timestamp("2001-12-01", "25:01:01");
select timestamp("2001-12-01 01:01:01.000100");
select timestamp("2001-12-01");
select day("1997-12-31 23:59:59.000001");
select date("1997-12-31 23:59:59.000001");
select date("1997-13-31 23:59:59.000001");
select time("1997-12-31 23:59:59.000001");
select time("1997-12-31 25:59:59.000001");
select microsecond("1997-12-31 23:59:59.000001");
create table t1
select makedate(1997,1) as f1,
addtime(cast("1997-12-31 23:59:59.000001" as datetime), "1 1:1:1.000002") as f2,
addtime(cast("23:59:59.999999" as time) , "1 1:1:1.000002") as f3,
timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002") as f4,
timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002") as f5,
maketime(10,11,12) as f6,
timestamp(cast("2001-12-01" as date), "01:01:01") as f7,
date("1997-12-31 23:59:59.000001") as f8,
time("1997-12-31 23:59:59.000001") as f9;
describe t1;
select * from t1;
create table test(t1 datetime, t2 time, t3 time, t4 datetime);
insert into test values
('2001-01-01 01:01:01', '01:01:01', null, '2001-02-01 01:01:01'),
('2001-01-01 01:01:01', '-01:01:01', '-23:59:59', "1997-12-31 23:59:59.000001"),
('1997-12-31 23:59:59.000001', '-23:59:59', '-01:01:01', '2001-01-01 01:01:01'),
('2001-01-01 01:01:01', '01:01:01', '-1 01:01:01', null),
('2001-01-01 01:01:01', null, '-1 01:01:01', null),
(null, null, null, null),
('2001-01-01 01:01:01', '01:01:01', '1 01:01:01', '2001-01-01 01:01:01');
SELECT ADDTIME(t1,t2) As ttt, ADDTIME(t2, t3) As qqq from test;
SELECT TIMEDIFF(t1,t4) As ttt, TIMEDIFF(t2, t3) As qqq from test;
drop table t1, test;

2
sql/field.cc
View file

@ -3152,11 +3152,13 @@ bool Field_time::get_time(TIME *ltime)
ltime->neg= 1;
tmp=-tmp;
}
ltime->day= 0;
ltime->hour= (int) (tmp/10000);
tmp-=ltime->hour*10000;
ltime->minute= (int) tmp/100;
ltime->second= (int) tmp % 100;
ltime->second_part=0;
ltime->time_type= TIMESTAMP_TIME;
return 0;
}

35
sql/item_create.cc
View file

@ -691,3 +691,38 @@ Item *create_func_uncompressed_length(Item* a)
#endif
Item *create_func_datediff(Item *a, Item *b)
{
return new Item_func_minus(new Item_func_to_days(a),
new Item_func_to_days(b));
}
Item *create_func_weekofyear(Item *a)
{
return new Item_func_week(a, new Item_int((char*) "0", 3, 1));
}
Item *create_func_makedate(Item* a,Item* b)
{
return new Item_func_makedate(a, b);
}
Item *create_func_addtime(Item* a,Item* b)
{
return new Item_func_add_time(a, b, 0, 0);
}
Item *create_func_subtime(Item* a,Item* b)
{
return new Item_func_add_time(a, b, 0, 1);
}
Item *create_func_timediff(Item* a,Item* b)
{
return new Item_func_timediff(a, b);
}
Item *create_func_maketime(Item* a,Item* b,Item* c)
{
return new Item_func_maketime(a, b, c);
}

7
sql/item_create.h
View file

@ -146,3 +146,10 @@ Item *create_func_compress(Item *a);
Item *create_func_uncompress(Item *a);
Item *create_func_uncompressed_length(Item *a);
Item *create_func_datediff(Item *a, Item *b);
Item *create_func_weekofyear(Item *a);
Item *create_func_makedate(Item* a,Item* b);
Item *create_func_addtime(Item* a,Item* b);
Item *create_func_subtime(Item* a,Item* b);
Item *create_func_timediff(Item* a,Item* b);
Item *create_func_maketime(Item* a,Item* b,Item* c);

634
sql/item_timefunc.cc
View file

@ -29,6 +29,8 @@
** Todo: Move month and days to language files
*/
#define MAX_DAY_NUMBER 3652424L
static String month_names[] =
{
String("January", &my_charset_latin1),
@ -55,6 +57,82 @@ static String day_names[] =
String("Sunday", &my_charset_latin1)
};
enum date_time_format_types
{
TIME_ONLY= 0, TIME_MICROSECOND,
DATE_ONLY, DATE_TIME, DATE_TIME_MICROSECOND
};
typedef struct date_time_format
{
const char* format_str;
uint length;
};
static struct date_time_format date_time_formats[]=
{
{"%s%02d:%02d:%02d", 10},
{"%s%02d:%02d:%02d.%06d", 17},
{"%04d-%02d-%02d", 10},
{"%04d-%02d-%02d %02d:%02d:%02d", 19},
{"%04d-%02d-%02d %02d:%02d:%02d.%06d", 26}
};
/*
OPTIMIZATION TODO:
- Replace the switch with a function that should be called for each
date type.
- Remove sprintf and opencode the conversion, like we do in
Field_datetime.
*/
String *make_datetime(String *str, TIME *ltime,
enum date_time_format_types format)
{
char *buff;
CHARSET_INFO *cs= &my_charset_bin;
uint length= date_time_formats[format].length + 32;
const char* format_str= date_time_formats[format].format_str;
if (str->alloc(length))
return 0;
buff= (char*) str->ptr();
switch (format) {
case TIME_ONLY:
length= cs->cset->snprintf(cs, buff, length, format_str, ltime->neg ? "-" : "",
ltime->hour, ltime->minute, ltime->second);
break;
case TIME_MICROSECOND:
length= cs->cset->snprintf(cs, buff, length, format_str, ltime->neg ? "-" : "",
ltime->hour, ltime->minute, ltime->second,
ltime->second_part);
break;
case DATE_ONLY:
length= cs->cset->snprintf(cs, buff, length, format_str,
ltime->year, ltime->month, ltime->day);
break;
case DATE_TIME:
length= cs->cset->snprintf(cs, buff, length, format_str,
ltime->year, ltime->month, ltime->day,
ltime->hour, ltime->minute, ltime->second);
break;
case DATE_TIME_MICROSECOND:
length= cs->cset->snprintf(cs, buff, length, format_str,
ltime->year, ltime->month, ltime->day,
ltime->hour, ltime->minute, ltime->second,
ltime->second_part);
break;
default:
return 0;
}
str->length(length);
str->set_charset(cs);
return str;
}
/*
** Get a array of positive numbers from a string object.
** Each number is separated by 1 non digit character
@ -309,7 +387,7 @@ static bool get_interval_value(Item *args,interval_type int_type,
CHARSET_INFO *cs=str_value->charset();
bzero((char*) t,sizeof(*t));
if ((int) int_type <= INTERVAL_SECOND)
if ((int) int_type <= INTERVAL_MICROSECOND)
{
value=(long) args->val_int();
if (args->null_value)
@ -352,6 +430,9 @@ static bool get_interval_value(Item *args,interval_type int_type,
case INTERVAL_HOUR:
t->hour=value;
break;
case INTERVAL_MICROSECOND:
t->second_part=value;
break;
case INTERVAL_MINUTE:
t->minute=value;
break;
@ -370,6 +451,15 @@ static bool get_interval_value(Item *args,interval_type int_type,
t->day=array[0];
t->hour=array[1];
break;
case INTERVAL_DAY_MICROSECOND:
if (get_interval_info(str,length,cs,5,array))
return (1);
t->day=array[0];
t->hour=array[1];
t->minute=array[2];
t->second=array[3];
t->second_part=array[4];
break;
case INTERVAL_DAY_MINUTE:
if (get_interval_info(str,length,cs,3,array))
return (1);
@ -385,6 +475,14 @@ static bool get_interval_value(Item *args,interval_type int_type,
t->minute=array[2];
t->second=array[3];
break;
case INTERVAL_HOUR_MICROSECOND:
if (get_interval_info(str,length,cs,4,array))
return (1);
t->hour=array[0];
t->minute=array[1];
t->second=array[2];
t->second_part=array[3];
break;
case INTERVAL_HOUR_MINUTE:
if (get_interval_info(str,length,cs,2,array))
return (1);
@ -398,12 +496,25 @@ static bool get_interval_value(Item *args,interval_type int_type,
t->minute=array[1];
t->second=array[2];
break;
case INTERVAL_MINUTE_MICROSECOND:
if (get_interval_info(str,length,cs,3,array))
return (1);
t->minute=array[0];
t->second=array[1];
t->second_part=array[2];
break;
case INTERVAL_MINUTE_SECOND:
if (get_interval_info(str,length,cs,2,array))
return (1);
t->minute=array[0];
t->second=array[1];
break;
case INTERVAL_SECOND_MICROSECOND:
if (get_interval_info(str,length,cs,2,array))
return (1);
t->second=array[0];
t->second_part=array[1];
break;
}
return 0;
}
@ -687,6 +798,9 @@ uint Item_func_date_format::format_length(const String *format)
case 'T': /* time, 24-hour (hh:mm:ss) */
size += 8;
break;
case 'f': /* microseconds */
size += 6;
break;
case 'w': /* day (of the week), numeric */
case '%':
default:
@ -798,8 +912,8 @@ String *Item_func_date_format::val_str(String *str)
null_value=1;
return 0;
}
length= my_sprintf(intbuff, (intbuff,"%d",l_time.day));
str->append(intbuff, length);
length= int10_to_str(l_time.day, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 1, '0');
if (l_time.day >= 10 && l_time.day <= 19)
str->append("th");
else
@ -821,41 +935,45 @@ String *Item_func_date_format::val_str(String *str)
}
break;
case 'Y':
sprintf(intbuff,"%04d",l_time.year);
str->append(intbuff,4);
length= int10_to_str(l_time.year, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 4, '0');
break;
case 'y':
sprintf(intbuff,"%02d",l_time.year%100);
str->append(intbuff,2);
length= int10_to_str(l_time.year%100, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'm':
sprintf(intbuff,"%02d",l_time.month);
str->append(intbuff,2);
length= int10_to_str(l_time.month, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'c':
sprintf(intbuff,"%d",l_time.month);
str->append(intbuff);
length= int10_to_str(l_time.month, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 1, '0');
break;
case 'd':
sprintf(intbuff,"%02d",l_time.day);
str->append(intbuff,2);
length= int10_to_str(l_time.day, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'e':
sprintf(intbuff,"%d",l_time.day);
str->append(intbuff);
length= int10_to_str(l_time.day, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 1, '0');
break;
case 'f':
length= int10_to_str(l_time.second_part, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 6, '0');
break;
case 'H':
sprintf(intbuff,"%02d",l_time.hour);
str->append(intbuff,2);
length= int10_to_str(l_time.hour, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'h':
case 'I':
sprintf(intbuff,"%02d", (l_time.hour+11)%12+1);
str->append(intbuff,2);
length= int10_to_str((l_time.hour+11)%12+1, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'i': /* minutes */
sprintf(intbuff,"%02d",l_time.minute);
str->append(intbuff,2);
length= int10_to_str(l_time.minute, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'j':
if (date_or_time)
@ -863,52 +981,60 @@ String *Item_func_date_format::val_str(String *str)
null_value=1;
return 0;
}
sprintf(intbuff,"%03d",
(int) (calc_daynr(l_time.year,l_time.month,l_time.day) -
calc_daynr(l_time.year,1,1)) + 1);
str->append(intbuff,3);
length= int10_to_str(calc_daynr(l_time.year,l_time.month,l_time.day) -
calc_daynr(l_time.year,1,1) + 1, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 3, '0');
break;
case 'k':
sprintf(intbuff,"%d",l_time.hour);
str->append(intbuff);
length= int10_to_str(l_time.hour, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 1, '0');
break;
case 'l':
sprintf(intbuff,"%d", (l_time.hour+11)%12+1);
str->append(intbuff);
length= int10_to_str((l_time.hour+11)%12+1, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 1, '0');
break;
case 'p':
str->append(l_time.hour < 12 ? "AM" : "PM",2);
break;
case 'r':
sprintf(intbuff,(l_time.hour < 12) ? "%02d:%02d:%02d AM" :
"%02d:%02d:%02d PM",(l_time.hour+11)%12+1,l_time.minute,
l_time.second);
str->append(intbuff);
length= my_sprintf(intbuff,
(intbuff,
(l_time.hour < 12) ? "%02d:%02d:%02d AM" : "%02d:%02d:%02d PM",
(l_time.hour+11)%12+1,
l_time.minute,
l_time.second));
str->append(intbuff, length);
break;
case 'S':
case 's':
sprintf(intbuff,"%02d",l_time.second);
str->append(intbuff);
length= int10_to_str(l_time.second, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'T':
sprintf(intbuff,"%02d:%02d:%02d", l_time.hour, l_time.minute,
l_time.second);
str->append(intbuff);
length= my_sprintf(intbuff,
(intbuff,
"%02d:%02d:%02d",
l_time.hour,
l_time.minute,
l_time.second));
str->append(intbuff, length);
break;
case 'U':
case 'u':
{
uint year;
sprintf(intbuff,"%02d",calc_week(&l_time, 0, (*ptr) == 'U', &year));
str->append(intbuff,2);
length= int10_to_str(calc_week(&l_time, 0, (*ptr) == 'U', &year),
intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
}
break;
case 'v':
case 'V':
{
uint year;
sprintf(intbuff,"%02d",calc_week(&l_time, 1, (*ptr) == 'V', &year));
str->append(intbuff,2);
length= int10_to_str(calc_week(&l_time, 1, (*ptr) == 'V', &year),
intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 2, '0');
}
break;
case 'x':
@ -916,14 +1042,15 @@ String *Item_func_date_format::val_str(String *str)
{
uint year;
(void) calc_week(&l_time, 1, (*ptr) == 'X', &year);
sprintf(intbuff,"%04d",year);
str->append(intbuff,4);
length= int10_to_str(year, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 4, '0');
}
break;
case 'w':
weekday=calc_weekday(calc_daynr(l_time.year,l_time.month,l_time.day),1);
sprintf(intbuff,"%d",weekday);
str->append(intbuff,1);
length= int10_to_str(weekday, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 1, '0');
break;
default:
str->append(*ptr);
@ -1005,7 +1132,7 @@ void Item_date_add_interval::fix_length_and_dec()
enum_field_types arg0_field_type;
set_charset(default_charset());
maybe_null=1;
max_length=19*default_charset()->mbmaxlen;
max_length=26*MY_CHARSET_BIN_MB_MAXLEN;
value.alloc(32);
/*
@ -1051,39 +1178,55 @@ bool Item_date_add_interval::get_date(TIME *ltime, bool fuzzy_date)
null_value=0;
switch (int_type) {
case INTERVAL_SECOND:
case INTERVAL_SECOND_MICROSECOND:
case INTERVAL_MICROSECOND:
case INTERVAL_MINUTE:
case INTERVAL_HOUR:
case INTERVAL_MINUTE_MICROSECOND:
case INTERVAL_MINUTE_SECOND:
case INTERVAL_HOUR_MICROSECOND:
case INTERVAL_HOUR_SECOND:
case INTERVAL_HOUR_MINUTE:
case INTERVAL_DAY_MICROSECOND:
case INTERVAL_DAY_SECOND:
case INTERVAL_DAY_MINUTE:
case INTERVAL_DAY_HOUR:
long sec,days,daynr;
long sec,days,daynr,microseconds,extra_sec;
ltime->time_type=TIMESTAMP_FULL; // Return full date
microseconds= ltime->second_part + sign*interval.second_part;
extra_sec= microseconds/1000000L;
microseconds= microseconds%1000000L;
sec=((ltime->day-1)*3600*24L+ltime->hour*3600+ltime->minute*60+
ltime->second +
sign*(interval.day*3600*24L +
interval.hour*3600+interval.minute*60+interval.second));
interval.hour*3600+interval.minute*60+interval.second))+
extra_sec;
if (microseconds < 0)
{
microseconds+= 1000000L;
sec--;
}
days=sec/(3600*24L); sec=sec-days*3600*24L;
if (sec < 0)
{
days--;
sec+=3600*24L;
}
ltime->second_part= microseconds;
ltime->second=sec % 60;
ltime->minute=sec/60 % 60;
ltime->hour=sec/3600;
daynr= calc_daynr(ltime->year,ltime->month,1) + days;
get_date_from_daynr(daynr,&ltime->year,&ltime->month,&ltime->day);
if (daynr < 0 || daynr >= 3652424) // Day number from year 0 to 9999-12-31
if (daynr < 0 || daynr >= MAX_DAY_NUMBER) // Day number from year 0 to 9999-12-31
goto null_date;
break;
case INTERVAL_DAY:
period= calc_daynr(ltime->year,ltime->month,ltime->day) +
sign*interval.day;
if (period < 0 || period >= 3652424) // Daynumber from year 0 to 9999-12-31
if (period < 0 || period >= MAX_DAY_NUMBER) // Daynumber from year 0 to 9999-12-31
goto null_date;
get_date_from_daynr((long) period,&ltime->year,&ltime->month,&ltime->day);
break;
@ -1124,34 +1267,21 @@ bool Item_date_add_interval::get_date(TIME *ltime, bool fuzzy_date)
String *Item_date_add_interval::val_str(String *str)
{
TIME ltime;
CHARSET_INFO *cs=default_charset();
uint32 l;
enum date_time_format_types format;
if (Item_date_add_interval::get_date(&ltime,0))
return 0;
if (ltime.time_type == TIMESTAMP_DATE)
{
l=11*cs->mbmaxlen+32;
if (str->alloc(l))
goto null_date;
l=cs->cset->snprintf(cs,(char*) str->ptr(),l,"%04d-%02d-%02d",
ltime.year,ltime.month,ltime.day);
str->length(l);
}
else
{
l=20*cs->mbmaxlen+32;
if (str->alloc(l))
goto null_date;
l=cs->cset->snprintf(cs,(char*) str->ptr(),l,"%04d-%02d-%02d %02d:%02d:%02d",
ltime.year,ltime.month,ltime.day,
ltime.hour,ltime.minute,ltime.second);
str->length(l);
}
str->set_charset(cs);
return str;
null_date:
if (ltime.time_type == TIMESTAMP_DATE)
format= DATE_ONLY;
else if (ltime.second_part)
format= DATE_TIME_MICROSECOND;
else
format= DATE_TIME;
if (make_datetime(str, &ltime, format))
return str;
null_value=1;
return 0;
}
@ -1188,6 +1318,11 @@ void Item_extract::fix_length_and_dec()
case INTERVAL_MINUTE: max_length=2; date_value=0; break;
case INTERVAL_MINUTE_SECOND: max_length=4; date_value=0; break;
case INTERVAL_SECOND: max_length=2; date_value=0; break;
case INTERVAL_MICROSECOND: max_length=2; date_value=0; break;
case INTERVAL_DAY_MICROSECOND: max_length=20; date_value=0; break;
case INTERVAL_HOUR_MICROSECOND: max_length=13; date_value=0; break;
case INTERVAL_MINUTE_MICROSECOND: max_length=11; date_value=0; break;
case INTERVAL_SECOND_MICROSECOND: max_length=9; date_value=0; break;
}
}
@ -1234,6 +1369,21 @@ longlong Item_extract::val_int()
case INTERVAL_MINUTE: return (long) ltime.minute*neg;
case INTERVAL_MINUTE_SECOND: return (long) (ltime.minute*100+ltime.second)*neg;
case INTERVAL_SECOND: return (long) ltime.second*neg;
case INTERVAL_MICROSECOND: return (long) ltime.second_part*neg;
case INTERVAL_DAY_MICROSECOND: return (((longlong)ltime.day*1000000L +
(longlong)ltime.hour*10000L +
ltime.minute*100 +
ltime.second)*1000000L +
ltime.second_part)*neg;
case INTERVAL_HOUR_MICROSECOND: return (((longlong)ltime.hour*10000L +
ltime.minute*100 +
ltime.second)*1000000L +
ltime.second_part)*neg;
case INTERVAL_MINUTE_MICROSECOND: return (((longlong)(ltime.minute*100+
ltime.second))*1000000L+
ltime.second_part)*neg;
case INTERVAL_SECOND_MICROSECOND: return ((longlong)ltime.second*1000000L+
ltime.second_part)*neg;
}
return 0; // Impossible
}
@ -1247,3 +1397,337 @@ void Item_typecast::print(String *str)
str->append(func_name());
str->append(')');
}
String *Item_datetime_typecast::val_str(String *str)
{
TIME ltime;
if (!get_arg0_date(&ltime,1) &&
make_datetime(str, &ltime, ltime.second_part ?
DATE_TIME_MICROSECOND : DATE_TIME))
return str;
null_date:
null_value=1;
return 0;
}
bool Item_time_typecast::get_time(TIME *ltime)
{
bool res= get_arg0_time(ltime);
ltime->time_type= TIMESTAMP_TIME;
return res;
}
String *Item_time_typecast::val_str(String *str)
{
TIME ltime;
if (!get_arg0_time(&ltime) &&
make_datetime(str, &ltime, ltime.second_part ? TIME_MICROSECOND : TIME_ONLY))
return str;
null_value=1;
return 0;
}
bool Item_date_typecast::get_date(TIME *ltime, bool fuzzy_date)
{
bool res= get_arg0_date(ltime,1);
ltime->time_type= TIMESTAMP_DATE;
return res;
}
String *Item_date_typecast::val_str(String *str)
{
TIME ltime;
if (!get_arg0_date(&ltime,1) &&
make_datetime(str, &ltime, DATE_ONLY))
return str;
null_date:
null_value=1;
return 0;
}
/*
MAKEDATE(a,b) is a date function that creates a date value
from a year and day value.
*/
String *Item_func_makedate::val_str(String *str)
{
TIME l_time;
long daynr= args[1]->val_int();
long yearnr= args[0]->val_int();
long days;
if (args[0]->null_value || args[1]->null_value ||
yearnr < 0 || daynr <= 0)
goto null_date;
days= calc_daynr(yearnr,1,1) + daynr - 1;
if (days > 0 || days < MAX_DAY_NUMBER) // Day number from year 0 to 9999-12-31
{
null_value=0;
get_date_from_daynr(days,&l_time.year,&l_time.month,&l_time.day);
if (make_datetime(str, &l_time, DATE_ONLY))
return str;
}
null_date:
null_value=1;
return 0;
}
void Item_func_add_time::fix_length_and_dec()
{
enum_field_types arg0_field_type;
decimals=0;
max_length=26*MY_CHARSET_BIN_MB_MAXLEN;
/*
The field type for the result of an Item_func_add_time function is defined as
follows:
- If first arg is a MYSQL_TYPE_DATETIME or MYSQL_TYPE_TIMESTAMP
result is MYSQL_TYPE_DATETIME
- If first arg is a MYSQL_TYPE_TIME result is MYSQL_TYPE_TIME
- Otherwise the result is MYSQL_TYPE_STRING
*/
cached_field_type= MYSQL_TYPE_STRING;
arg0_field_type= args[0]->field_type();
if (arg0_field_type == MYSQL_TYPE_DATE ||
arg0_field_type == MYSQL_TYPE_DATETIME ||
arg0_field_type == MYSQL_TYPE_TIMESTAMP)
cached_field_type= MYSQL_TYPE_DATETIME;
else if (arg0_field_type == MYSQL_TYPE_TIME)
cached_field_type= MYSQL_TYPE_TIME;
}
/*
ADDTIME(t,a) and SUBTIME(t,a) are time functions that calculate a time/datetime value
t: time_or_datetime_expression
a: time_expression
Result: Time value or datetime value
*/
String *Item_func_add_time::val_str(String *str)
{
TIME l_time1, l_time2, l_time3;
bool is_time= 0;
long microseconds, seconds, days= 0;
int l_sign= sign;
null_value=0;
l_time3.neg= 0;
if (is_date) // TIMESTAMP function
{
if (get_arg0_date(&l_time1,1) ||
args[1]->get_time(&l_time2) ||
l_time1.time_type == TIMESTAMP_TIME ||
l_time2.time_type != TIMESTAMP_TIME)
goto null_date;
}
else // ADDTIME function
{
if (args[0]->get_time(&l_time1) ||
args[1]->get_time(&l_time2) ||
l_time2.time_type == TIMESTAMP_FULL)
goto null_date;
is_time= (l_time1.time_type == TIMESTAMP_TIME);
if (is_time && (l_time2.neg == l_time1.neg && l_time1.neg))
l_time3.neg= 1;
}
if (l_time1.neg != l_time2.neg)
l_sign= -l_sign;
microseconds= l_time1.second_part + l_sign*l_time2.second_part;
seconds= (l_time1.hour*3600L + l_time1.minute*60L + l_time1.second +
(l_time2.day*86400L + l_time2.hour*3600L +
l_time2.minute*60L + l_time2.second)*l_sign);
if (is_time)
seconds+= l_time1.day*86400L;
else
days+= calc_daynr((uint) l_time1.year,(uint) l_time1.month, (uint) l_time1.day);
seconds= seconds + microseconds/1000000L;
microseconds= microseconds%1000000L;
days+= seconds/86400L;
seconds= seconds%86400L;
if (microseconds < 0)
{
microseconds+= 1000000L;
seconds--;
}
if (seconds < 0)
{
days+= seconds/86400L - 1;
seconds+= 86400L;
}
if (days < 0)
{
if (!is_time)
goto null_date;
if (microseconds)
{
microseconds= 1000000L - microseconds;
seconds++;
}
seconds= 86400L - seconds;
days= -(++days);
l_time3.neg= 1;
}
calc_time_from_sec(&l_time3, seconds, microseconds);
if (!is_time)
{
get_date_from_daynr(days,&l_time3.year,&l_time3.month,&l_time3.day);
if (l_time3.day &&
make_datetime(str, &l_time3,
l_time1.second_part || l_time2.second_part ?
DATE_TIME_MICROSECOND : DATE_TIME))
return str;
goto null_date;
}
l_time3.hour+= days*24;
if (make_datetime(str, &l_time3,
l_time1.second_part || l_time2.second_part ?
TIME_MICROSECOND : TIME_ONLY))
return str;
null_date:
null_value=1;
return 0;
}
/*
TIMEDIFF(t,s) is a time function that calculates the
time value between a start and end time.
t and s: time_or_datetime_expression
Result: Time value
*/
String *Item_func_timediff::val_str(String *str)
{
longlong seconds;
long microseconds;
long days;
int l_sign= 1;
TIME l_time1 ,l_time2, l_time3;
null_value= 0;
if (args[0]->get_time(&l_time1) ||
args[1]->get_time(&l_time2) ||
l_time1.time_type != l_time2.time_type)
goto null_date;
if (l_time1.neg != l_time2.neg)
l_sign= -l_sign;
if (l_time1.time_type == TIMESTAMP_TIME) // Time value
days= l_time1.day - l_sign*l_time2.day;
else // DateTime value
days= (calc_daynr((uint) l_time1.year,
(uint) l_time1.month,
(uint) l_time1.day) -
l_sign*calc_daynr((uint) l_time2.year,
(uint) l_time2.month,
(uint) l_time2.day));
microseconds= l_time1.second_part - l_sign*l_time2.second_part;
seconds= ((longlong) days*86400L + l_time1.hour*3600L +
l_time1.minute*60L + l_time1.second + microseconds/1000000L -
(longlong)l_sign*(l_time2.hour*3600L+l_time2.minute*60L+l_time2.second));
l_time3.neg= 0;
if (seconds < 0)
{
seconds= -seconds;
l_time3.neg= 1;
}
else if (seconds == 0 && microseconds < 0)
{
microseconds= -microseconds;
l_time3.neg= 1;
}
if (microseconds < 0)
{
microseconds+= 1000000L;
seconds--;
}
if ((l_time2.neg == l_time1.neg) && l_time1.neg)
l_time3.neg= l_time3.neg ? 0 : 1;
calc_time_from_sec(&l_time3, seconds, microseconds);
if (make_datetime(str, &l_time3,
l_time1.second_part || l_time2.second_part ?
TIME_MICROSECOND : TIME_ONLY))
return str;
null_date:
null_value=1;
return 0;
}
/*
MAKETIME(h,m,s) is a time function that calculates a time value
from the total number of hours, minutes, and seconds.
Result: Time value
*/
String *Item_func_maketime::val_str(String *str)
{
TIME ltime;
long hour= args[0]->val_int();
long minute= args[1]->val_int();
long second= args[2]->val_int();
if ((null_value=(args[0]->null_value ||
args[1]->null_value ||
args[2]->null_value ||
minute > 59 || minute < 0 ||
second > 59 || second < 0)))
goto null_date;
ltime.neg= 0;
if (hour < 0)
{
ltime.neg= 1;
hour= -hour;
}
ltime.hour= (ulong)hour;
ltime.minute= (ulong)minute;
ltime.second= (ulong)second;
if (make_datetime(str, &ltime, TIME_ONLY))
return str;
null_date:
return 0;
}
/*
MICROSECOND(a) is a function ( extraction) that extracts the microseconds from a.
a: Datetime or time value
Result: int value
*/
longlong Item_func_microsecond::val_int()
{
TIME ltime;
if (!get_arg0_time(&ltime))
return ltime.second_part;
return 0;
}

115
sql/item_timefunc.h
View file

@ -478,9 +478,10 @@ public:
enum interval_type
{
INTERVAL_YEAR, INTERVAL_MONTH, INTERVAL_DAY, INTERVAL_HOUR, INTERVAL_MINUTE,
INTERVAL_SECOND, INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR, INTERVAL_DAY_MINUTE,
INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE, INTERVAL_HOUR_SECOND,
INTERVAL_MINUTE_SECOND
INTERVAL_SECOND, INTERVAL_MICROSECOND ,INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR,
INTERVAL_DAY_MINUTE, INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE,
INTERVAL_HOUR_SECOND, INTERVAL_MINUTE_SECOND, INTERVAL_DAY_MICROSECOND,
INTERVAL_HOUR_MICROSECOND, INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND
};
@ -556,6 +557,8 @@ class Item_date_typecast :public Item_typecast
{
public:
Item_date_typecast(Item *a) :Item_typecast(a) {}
String *val_str(String *str);
bool get_date(TIME *ltime, bool fuzzy_date);
const char *func_name() const { return "date"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
Field *tmp_table_field() { return result_field; }
@ -570,6 +573,8 @@ class Item_time_typecast :public Item_typecast
{
public:
Item_time_typecast(Item *a) :Item_typecast(a) {}
String *val_str(String *str);
bool get_time(TIME *ltime);
const char *func_name() const { return "time"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
Field *tmp_table_field() { return result_field; }
@ -584,6 +589,7 @@ class Item_datetime_typecast :public Item_typecast
{
public:
Item_datetime_typecast(Item *a) :Item_typecast(a) {}
String *val_str(String *str);
const char *func_name() const { return "datetime"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATETIME; }
Field *tmp_table_field() { return result_field; }
@ -592,3 +598,106 @@ public:
return (new Field_datetime(maybe_null, name, t_arg, default_charset()));
}
};
class Item_func_makedate :public Item_str_func
{
public:
Item_func_makedate(Item *a,Item *b) :Item_str_func(a,b) {}
String *val_str(String *str);
const char *func_name() const { return "makedate"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
void fix_length_and_dec()
{
decimals=0;
max_length=8*MY_CHARSET_BIN_MB_MAXLEN;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_date(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_add_time :public Item_str_func
{
const bool is_date;
int sign;
enum_field_types cached_field_type;
public:
Item_func_add_time(Item *a, Item *b, bool type_arg, bool neg_arg)
:Item_str_func(a, b), is_date(type_arg) { sign= neg_arg ? -1 : 1; }
String *val_str(String *str);
const char *func_name() const { return "addtime"; }
enum_field_types field_type() const { return cached_field_type; }
void fix_length_and_dec();
/*
TODO:
Change this when we support
microseconds in TIME/DATETIME
*/
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
if (cached_field_type == MYSQL_TYPE_TIME)
return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
else if (cached_field_type == MYSQL_TYPE_DATETIME)
return (new Field_datetime(maybe_null, name, t_arg, &my_charset_bin));
return (new Field_string(max_length, maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_timediff :public Item_str_func
{
public:
Item_func_timediff(Item *a, Item *b)
:Item_str_func(a, b) {}
String *val_str(String *str);
const char *func_name() const { return "timediff"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
void fix_length_and_dec()
{
decimals=0;
max_length=17*MY_CHARSET_BIN_MB_MAXLEN;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_maketime :public Item_str_func
{
public:
Item_func_maketime(Item *a, Item *b, Item *c)
:Item_str_func(a, b ,c) {}
String *val_str(String *str);
const char *func_name() const { return "maketime"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
void fix_length_and_dec()
{
decimals=0;
max_length=8*MY_CHARSET_BIN_MB_MAXLEN;
}
Field *tmp_table_field() { return result_field; }
Field *tmp_table_field(TABLE *t_arg)
{
return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
}
};
class Item_func_microsecond :public Item_int_func
{
public:
Item_func_microsecond(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "microsecond"; }
void fix_length_and_dec()
{
decimals=0;
maybe_null=1;
}
};

16
sql/lex.h
View file

@ -116,6 +116,7 @@ static SYMBOL symbols[] = {
{ "DATETIME", SYM(DATETIME),0,0},
{ "DAY", SYM(DAY_SYM),0,0},
{ "DAY_HOUR", SYM(DAY_HOUR_SYM),0,0},
{ "DAY_MICROSECOND", SYM(DAY_MICROSECOND_SYM),0,0},
{ "DAY_MINUTE", SYM(DAY_MINUTE_SYM),0,0},
{ "DAY_SECOND", SYM(DAY_SECOND_SYM),0,0},
{ "DEC", SYM(DECIMAL_SYM),0,0},
@ -186,6 +187,7 @@ static SYMBOL symbols[] = {
{ "HELP", SYM(HELP_SYM),0,0},
{ "HIGH_PRIORITY", SYM(HIGH_PRIORITY),0,0},
{ "HOUR", SYM(HOUR_SYM),0,0},
{ "HOUR_MICROSECOND", SYM(HOUR_MICROSECOND_SYM),0,0},
{ "HOUR_MINUTE", SYM(HOUR_MINUTE_SYM),0,0},
{ "HOUR_SECOND", SYM(HOUR_SECOND_SYM),0,0},
{ "HOSTS", SYM(HOSTS_SYM),0,0},
@ -259,9 +261,11 @@ static SYMBOL symbols[] = {
{ "MERGE", SYM(MERGE_SYM),0,0},
{ "MEDIUM", SYM(MEDIUM_SYM),0,0},
{ "MEMORY", SYM(MEMORY_SYM),0,0},
{ "MICROSECOND", SYM(MICROSECOND_SYM),0,0},
{ "MIDDLEINT", SYM(MEDIUMINT),0,0}, /* For powerbuilder */
{ "MIN_ROWS", SYM(MIN_ROWS),0,0},
{ "MINUTE", SYM(MINUTE_SYM),0,0},
{ "MINUTE_MICROSECOND", SYM(MINUTE_MICROSECOND_SYM),0,0},
{ "MINUTE_SECOND", SYM(MINUTE_SECOND_SYM),0,0},
{ "MOD", SYM(MOD_SYM),0,0},
{ "MODE", SYM(MODE_SYM),0,0},
@ -337,6 +341,7 @@ static SYMBOL symbols[] = {
{ "ROWS", SYM(ROWS_SYM),0,0},
{ "RTREE", SYM(RTREE_SYM),0,0},
{ "SECOND", SYM(SECOND_SYM),0,0},
{ "SECOND_MICROSECOND", SYM(SECOND_MICROSECOND_SYM),0,0},
{ "SEPARATOR", SYM(SEPARATOR_SYM),0,0},
{ "SELECT", SYM(SELECT_SYM),0,0},
{ "SERIAL", SYM(SERIAL_SYM),0,0},
@ -427,7 +432,8 @@ static SYMBOL symbols[] = {
static SYMBOL sql_functions[] = {
{ "ABS", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_abs)},
{ "ACOS", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_acos)},
{ "ADDDATE", SYM(DATE_ADD_INTERVAL),0,0},
{ "ADDDATE", SYM(ADDDATE_SYM),0,0},
{ "ADDTIME", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_addtime)},
{ "AES_ENCRYPT", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_aes_encrypt)},
{ "AES_DECRYPT", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_aes_decrypt)},
{ "AREA", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_area)},
@ -470,6 +476,7 @@ static SYMBOL sql_functions[] = {
{ "CURDATE", SYM(CURDATE),0,0},
{ "CURTIME", SYM(CURTIME),0,0},
{ "DATE_ADD", SYM(DATE_ADD_INTERVAL),0,0},
{ "DATEDIFF", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_datediff)},
{ "DATE_FORMAT", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_date_format)},
{ "DATE_SUB", SYM(DATE_SUB_INTERVAL),0,0},
{ "DAYNAME", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_dayname)},
@ -545,6 +552,8 @@ static SYMBOL sql_functions[] = {
{ "LPAD", SYM(FUNC_ARG3),0,CREATE_FUNC(create_func_lpad)},
{ "LTRIM", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_ltrim)},
{ "MAKE_SET", SYM(MAKE_SET_SYM),0,0},
{ "MAKEDATE", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_makedate)},
{ "MAKETIME", SYM(FUNC_ARG3),0,CREATE_FUNC(create_func_maketime)},
{ "MASTER_POS_WAIT", SYM(MASTER_POS_WAIT),0,0},
{ "MAX", SYM(MAX_SYM),0,0},
{ "MBRCONTAINS", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_contains)},
@ -605,7 +614,7 @@ static SYMBOL sql_functions[] = {
{ "RTRIM", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_rtrim)},
{ "SEC_TO_TIME", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sec_to_time)},
{ "SESSION_USER", SYM(USER),0,0},
{ "SUBDATE", SYM(DATE_SUB_INTERVAL),0,0},
{ "SUBDATE", SYM(SUBDATE_SYM),0,0},
{ "SIGN", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sign)},
{ "SIN", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sin)},
{ "SHA", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sha)},
@ -620,12 +629,14 @@ static SYMBOL sql_functions[] = {
{ "STRCMP", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_strcmp)},
{ "SUBSTRING", SYM(SUBSTRING),0,0},
{ "SUBSTRING_INDEX", SYM(SUBSTRING_INDEX),0,0},
{ "SUBTIME", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_subtime)},
{ "SUM", SYM(SUM_SYM),0,0},
{ "SYSDATE", SYM(NOW_SYM),0,0},
{ "SYSTEM_USER", SYM(USER),0,0},
{ "TAN", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_tan)},
{ "TIME_FORMAT", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_time_format)},
{ "TIME_TO_SEC", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_time_to_sec)},
{ "TIMEDIFF", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_timediff)},
{ "TO_DAYS", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_to_days)},
{ "TOUCHES", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_touches)},
{ "TRIM", SYM(TRIM),0,0},
@ -639,6 +650,7 @@ static SYMBOL sql_functions[] = {
{ "VERSION", SYM(FUNC_ARG0),0,CREATE_FUNC(create_func_version)},
{ "WEEK", SYM(WEEK_SYM),0,0},
{ "WEEKDAY", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_weekday)},
{ "WEEKOFYEAR", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_weekofyear)},
{ "WITHIN", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_within)},
{ "X", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_x)},
{ "Y", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_y)},

4
sql/mysql_priv.h
View file

@ -224,6 +224,8 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
#define RAID_BLOCK_SIZE 1024
#define MY_CHARSET_BIN_MB_MAXLEN 1
#ifdef EXTRA_DEBUG
/*
Sync points allow us to force the server to reach a certain line of code
@ -557,6 +559,7 @@ void free_prep_stmt(PREP_STMT *stmt, TREE_FREE mode, void *not_used);
bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length);
void mysql_stmt_execute(THD *thd, char *packet);
void mysql_stmt_free(THD *thd, char *packet);
void mysql_stmt_reset(THD *thd, char *packet);
void mysql_stmt_get_longdata(THD *thd, char *pos, ulong packet_length);
int check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
List<Item> &values, ulong counter);
@ -851,6 +854,7 @@ longlong str_to_datetime(const char *str,uint length,bool fuzzy_date);
timestamp_type str_to_TIME(const char *str, uint length, TIME *l_time,
bool fuzzy_date);
void localtime_to_TIME(TIME *to, struct tm *from);
void calc_time_from_sec(TIME *to, long seconds, long microseconds);
int test_if_number(char *str,int *res,bool allow_wildcards);
void change_byte(byte *,uint,char,char);

17
sql/protocol.cc
View file

@ -823,6 +823,13 @@ bool Protocol_simple::store(Field *field)
}
/*
TODO:
Second_part format ("%06") needs to change when
we support 0-6 decimals for time.
*/
bool Protocol_simple::store(TIME *tm)
{
#ifndef DEBUG_OFF
@ -840,6 +847,8 @@ bool Protocol_simple::store(TIME *tm)
(int) tm->hour,
(int) tm->minute,
(int) tm->second));
if (tm->second_part)
length+= my_sprintf(buff+length,(buff+length, ".%06d", (int)tm->second_part));
return net_store_data((char*) buff, length);
}
@ -861,6 +870,12 @@ bool Protocol_simple::store_date(TIME *tm)
}
/*
TODO:
Second_part format ("%06") needs to change when
we support 0-6 decimals for time.
*/
bool Protocol_simple::store_time(TIME *tm)
{
#ifndef DEBUG_OFF
@ -876,6 +891,8 @@ bool Protocol_simple::store_time(TIME *tm)
(long) day*24L+(long) tm->hour,
(int) tm->minute,
(int) tm->second));
if (tm->second_part)
length+= my_sprintf(buff+length,(buff+length, ".%06d", (int)tm->second_part));
return net_store_data((char*) buff, length);
}

5
sql/sql_parse.cc
View file

@ -1290,6 +1290,11 @@ restore_user:
mysql_stmt_free(thd, packet);
break;
}
case COM_RESET_STMT:
{
mysql_stmt_reset(thd, packet);
break;
}
case COM_QUERY:
{
if (alloc_query(thd, packet, packet_length))

2
sql/sql_prepare.cc
View file

@ -965,7 +965,7 @@ void mysql_stmt_reset(THD *thd, char *packet)
PREP_STMT *stmt;
DBUG_ENTER("mysql_stmt_reset");
if (!(stmt=find_prepared_statement(thd, stmt_id, "close")))
if (!(stmt= find_prepared_statement(thd, stmt_id, "reset")))
{
send_error(thd);
DBUG_VOID_RETURN;

17
sql/sql_string.cc
View file

@ -390,6 +390,23 @@ bool String::append(IO_CACHE* file, uint32 arg_length)
return FALSE;
}
bool String::append_with_prefill(const char *s,uint32 arg_length,
uint32 full_length, char fill_char)
{
int t_length= arg_length > full_length ? arg_length : full_length;
if (realloc(str_length + t_length))
return TRUE;
t_length= full_length - arg_length;
if (t_length > 0)
{
bfill(Ptr+str_length, t_length, fill_char);
str_length=str_length + t_length;
}
append(s, arg_length);
return FALSE;
}
uint32 String::numchars()
{
return str_charset->cset->numchars(str_charset, Ptr, Ptr+str_length);

2
sql/sql_string.h
View file

@ -189,6 +189,8 @@ public:
bool append(const char *s,uint32 arg_length=0);
bool append(const char *s,uint32 arg_length, CHARSET_INFO *cs);
bool append(IO_CACHE* file, uint32 arg_length);
bool append_with_prefill(const char *s, uint32 arg_length,
uint32 full_length, char fill_char);
int strstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
int strstr_case(const String &s,uint32 offset=0);
int strrstr(const String &search,uint32 offset=0); // Returns offset to substring or -1

36
sql/sql_yacc.yy
View file

@ -163,6 +163,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token VARIANCE_SYM
%token STOP_SYM
%token SUM_SYM
%token ADDDATE_SYM
%token SUPER_SYM
%token TRUNCATE_SYM
%token UNLOCK_SYM
@ -431,6 +432,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token VARYING
%token ZEROFILL
%token ADDDATE_SYM
%token AGAINST
%token ATAN
%token BETWEEN_SYM
@ -445,6 +447,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token DATE_ADD_INTERVAL
%token DATE_SUB_INTERVAL
%token DAY_HOUR_SYM
%token DAY_MICROSECOND_SYM
%token DAY_MINUTE_SYM
%token DAY_SECOND_SYM
%token DAY_SYM
@ -467,6 +470,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token GEOMETRYCOLLECTION
%token GROUP_CONCAT_SYM
%token GROUP_UNIQUE_USERS
%token HOUR_MICROSECOND_SYM
%token HOUR_MINUTE_SYM
%token HOUR_SECOND_SYM
%token HOUR_SYM
@ -481,6 +485,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token LOCATE
%token MAKE_SET_SYM
%token MASTER_POS_WAIT
%token MICROSECOND_SYM
%token MINUTE_MICROSECOND_SYM
%token MINUTE_SECOND_SYM
%token MINUTE_SYM
%token MODE_SYM
@ -505,7 +511,9 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token RIGHT
%token ROUND
%token SECOND_SYM
%token SECOND_MICROSECOND_SYM
%token SHARE_SYM
%token SUBDATE_SYM
%token SUBSTRING
%token SUBSTRING_INDEX
%token TRIM
@ -2334,6 +2342,10 @@ simple_expr:
{ $$= ((Item*(*)(Item*,Item*))($1.symbol->create_func))($3,$5);}
| FUNC_ARG3 '(' expr ',' expr ',' expr ')'
{ $$= ((Item*(*)(Item*,Item*,Item*))($1.symbol->create_func))($3,$5,$7);}
| ADDDATE_SYM '(' expr ',' expr ')'
{ $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 0);}
| ADDDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
{ $$= new Item_date_add_interval($3, $6, $7, 0); }
| ATAN '(' expr ')'
{ $$= new Item_func_atan($3); }
| ATAN '(' expr ',' expr ')'
@ -2368,6 +2380,10 @@ simple_expr:
$$= new Item_func_database();
Lex->safe_to_cache_query=0;
}
| DATE_SYM '(' expr ')'
{ $$= new Item_date_typecast($3); }
| DAY_SYM '(' expr ')'
{ $$= new Item_func_dayofmonth($3); }
| ELT_FUNC '(' expr ',' expr_list ')'
{ $$= new Item_func_elt($3, *$5); }
| MAKE_SET_SYM '(' expr ',' expr_list ')'
@ -2484,6 +2500,8 @@ simple_expr:
$$= new Item_master_pos_wait($3, $5, $7);
Lex->safe_to_cache_query=0;
}
| MICROSECOND_SYM '(' expr ')'
{ $$= new Item_func_microsecond($3); }
| MINUTE_SYM '(' expr ')'
{ $$= new Item_func_minute($3); }
| MOD_SYM '(' expr ',' expr ')'
@ -2545,6 +2563,10 @@ simple_expr:
| ROUND '(' expr ')'
{ $$= new Item_func_round($3, new Item_int((char*)"0",0,1),0); }
| ROUND '(' expr ',' expr ')' { $$= new Item_func_round($3,$5,0); }
| SUBDATE_SYM '(' expr ',' expr ')'
{ $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 1);}
| SUBDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
{ $$= new Item_date_add_interval($3, $6, $7, 1); }
| SECOND_SYM '(' expr ')'
{ $$= new Item_func_second($3); }
| SUBSTRING '(' expr ',' expr ',' expr ')'
@ -2557,6 +2579,12 @@ simple_expr:
{ $$= new Item_func_substr($3,$5); }
| SUBSTRING_INDEX '(' expr ',' expr ',' expr ')'
{ $$= new Item_func_substr_index($3,$5,$7); }
| TIME_SYM '(' expr ')'
{ $$= new Item_time_typecast($3); }
| TIMESTAMP '(' expr ')'
{ $$= new Item_datetime_typecast($3); }
| TIMESTAMP '(' expr ',' expr ')'
{ $$= new Item_func_add_time($3, $5, 1, 0); }
| TRIM '(' expr ')'
{ $$= new Item_func_trim($3); }
| TRIM '(' LEADING expr FROM expr ')'
@ -2973,15 +3001,20 @@ using_list:
interval:
DAY_HOUR_SYM { $$=INTERVAL_DAY_HOUR; }
| DAY_MICROSECOND_SYM { $$=INTERVAL_DAY_MICROSECOND; }
| DAY_MINUTE_SYM { $$=INTERVAL_DAY_MINUTE; }
| DAY_SECOND_SYM { $$=INTERVAL_DAY_SECOND; }
| DAY_SYM { $$=INTERVAL_DAY; }
| HOUR_MICROSECOND_SYM { $$=INTERVAL_HOUR_MICROSECOND; }
| HOUR_MINUTE_SYM { $$=INTERVAL_HOUR_MINUTE; }
| HOUR_SECOND_SYM { $$=INTERVAL_HOUR_SECOND; }
| HOUR_SYM { $$=INTERVAL_HOUR; }
| MICROSECOND_SYM { $$=INTERVAL_MICROSECOND; }
| MINUTE_MICROSECOND_SYM { $$=INTERVAL_MINUTE_MICROSECOND; }
| MINUTE_SECOND_SYM { $$=INTERVAL_MINUTE_SECOND; }
| MINUTE_SYM { $$=INTERVAL_MINUTE; }
| MONTH_SYM { $$=INTERVAL_MONTH; }
| SECOND_MICROSECOND_SYM { $$=INTERVAL_SECOND_MICROSECOND; }
| SECOND_SYM { $$=INTERVAL_SECOND; }
| YEAR_MONTH_SYM { $$=INTERVAL_YEAR_MONTH; }
| YEAR_SYM { $$=INTERVAL_YEAR; };
@ -4300,6 +4333,7 @@ user:
keyword:
ACTION {}
| ADDDATE_SYM {}
| AFTER_SYM {}
| AGAINST {}
| AGGREGATE_SYM {}
@ -4395,6 +4429,7 @@ keyword:
| MEDIUM_SYM {}
| MERGE_SYM {}
| MEMORY_SYM {}
| MICROSECOND_SYM {}
| MINUTE_SYM {}
| MIN_ROWS {}
| MODIFY_SYM {}
@ -4460,6 +4495,7 @@ keyword:
| STATUS_SYM {}
| STOP_SYM {}
| STRING_SYM {}
| SUBDATE_SYM {}
| SUBJECT_SYM {}
| SUPER_SYM {}
| TEMPORARY {}

14
sql/time.cc
View file

@ -432,6 +432,7 @@ str_to_TIME(const char *str, uint length, TIME *l_time,bool fuzzy_date)
l_time->minute=date[4];
l_time->second=date[5];
l_time->second_part=date[6];
l_time->neg= 0;
DBUG_RETURN(l_time->time_type=
(number_of_fields <= 3 ? TIMESTAMP_DATE : TIMESTAMP_FULL));
}
@ -581,7 +582,7 @@ bool str_to_time(const char *str,uint length,TIME *l_time)
/* Get fractional second part */
if ((end-str) >= 2 && *str == '.' && my_isdigit(&my_charset_latin1,str[1]))
{
uint field_length=3;
uint field_length=5;
str++; value=(uint) (uchar) (*str - '0');
while (++str != end &&
my_isdigit(&my_charset_latin1,str[0]) &&
@ -604,6 +605,7 @@ bool str_to_time(const char *str,uint length,TIME *l_time)
l_time->minute=date[2];
l_time->second=date[3];
l_time->second_part=date[4];
l_time->time_type= TIMESTAMP_TIME;
/* Check if there is garbage at end of the TIME specification */
if (str != end && current_thd->count_cuted_fields)
@ -636,3 +638,13 @@ void localtime_to_TIME(TIME *to, struct tm *from)
to->minute= (int) from->tm_min;
to->second= (int) from->tm_sec;
}
void calc_time_from_sec(TIME *to, long seconds, long microseconds)
{
long t_seconds;
to->hour= seconds/3600L;
t_seconds= seconds%3600L;
to->minute= t_seconds/60L;
to->second= t_seconds%60L;
to->second_part= microseconds;
}