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nexedi
MariaDB
Commits
914e2c9b
Commit
914e2c9b
authored
Nov 01, 2017
by
Igor Babaev
Browse files
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Merge branch '10.3' of github.com:MariaDB/server into 10.3
parents
6f1b6061
a607e4e7
Changes
11
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11 changed files
with
1077 additions
and
8 deletions
+1077
-8
include/source_revision.h.in
include/source_revision.h.in
+1
-1
mysql-test/r/win_percentile.result
mysql-test/r/win_percentile.result
+326
-0
mysql-test/t/win_percentile.test
mysql-test/t/win_percentile.test
+104
-0
sql/item_sum.h
sql/item_sum.h
+2
-1
sql/item_windowfunc.cc
sql/item_windowfunc.cc
+82
-1
sql/item_windowfunc.h
sql/item_windowfunc.h
+315
-3
sql/lex.h
sql/lex.h
+4
-0
sql/share/errmsg-utf8.txt
sql/share/errmsg-utf8.txt
+10
-0
sql/sql_window.cc
sql/sql_window.cc
+84
-1
sql/sql_yacc.yy
sql/sql_yacc.yy
+79
-1
sql/sql_yacc_ora.yy
sql/sql_yacc_ora.yy
+70
-0
No files found.
include/source_revision.h.in
View file @
914e2c9b
#
cmake
define SOURCE_REVISION "@SOURCE_REVISION@"
#define SOURCE_REVISION "@SOURCE_REVISION@"
mysql-test/r/win_percentile.result
0 → 100644
View file @
914e2c9b
This diff is collapsed.
Click to expand it.
mysql-test/t/win_percentile.test
0 → 100644
View file @
914e2c9b
CREATE
TABLE
t1
(
name
CHAR
(
10
),
test
double
,
score
DECIMAL
(
19
,
4
));
INSERT
INTO
t1
VALUES
(
'Chun'
,
0
,
3
),
(
'Chun'
,
0
,
7
),
(
'Kaolin'
,
0.5
,
3
),
(
'Kaolin'
,
0.6
,
7
),
(
'Kaolin'
,
0.5
,
4
),
(
'Tatiana'
,
0.8
,
4
),
(
'Tata'
,
0.8
,
4
);
--
echo
#
--
echo
# Test invalid syntax
--
echo
#
--
echo
# Order by clause has more than one element
--
error
ER_PARSE_ERROR
select
percentile_disc
(
0.5
)
within
group
(
order
by
score
,
test
)
over
(
partition
by
name
)
from
t1
;
--
error
ER_PARSE_ERROR
select
percentile_cont
(
0.5
)
within
group
(
order
by
score
,
test
)
over
(
partition
by
name
)
from
t1
;
--
echo
# Order by clause has no element
--
error
ER_PARSE_ERROR
select
percentile_disc
(
0.5
)
within
group
()
over
(
partition
by
name
)
from
t1
;
--
error
ER_PARSE_ERROR
select
percentile_cont
(
0.5
)
within
group
()
over
(
partition
by
name
)
from
t1
;
--
echo
# No parameters to the percentile functions
--
error
ER_PARSE_ERROR
select
percentile_disc
()
within
group
()
over
(
partition
by
name
)
from
t1
;
--
error
ER_PARSE_ERROR
select
percentile_cont
()
within
group
()
over
(
partition
by
name
)
from
t1
;
--
echo
#
--
echo
# Test simple syntax
--
echo
#
select
name
,
percentile_cont
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
percentile_disc
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
--
echo
# no partition clause
select
name
,
percentile_disc
(
0.5
)
within
group
(
order
by
score
)
over
()
from
t1
;
select
name
,
percentile_cont
(
0.5
)
within
group
(
order
by
score
)
over
()
from
t1
;
--
echo
# argument set to null
--
error
ER_WRONG_TYPE_OF_ARGUMENT
select
name
,
percentile_cont
(
null
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
error
ER_WRONG_TYPE_OF_ARGUMENT
select
name
,
percentile_disc
(
null
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
echo
#subqueries having percentile functions
select
*
from
(
select
name
,
percentile_cont
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
)
as
t
;
select
*
from
(
select
name
,
percentile_disc
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
)
as
t
;
select
name
from
t1
a
where
(
select
percentile_disc
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
b
limit
1
)
>=
0.5
;
--
echo
#disallowed fields in order by
--
error
ER_WRONG_TYPE_FOR_PERCENTILE_FUNC
select
score
,
percentile_cont
(
0.5
)
within
group
(
order
by
name
)
over
(
partition
by
score
)
from
t1
;
--
error
ER_WRONG_TYPE_FOR_PERCENTILE_FUNC
select
score
,
percentile_disc
(
0.5
)
within
group
(
order
by
name
)
over
(
partition
by
score
)
from
t1
;
--
echo
#parameter value should be in the range of [0,1]
--
error
ER_ARGUMENT_OUT_OF_RANGE
select
percentile_disc
(
1.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
error
ER_ARGUMENT_OUT_OF_RANGE
select
percentile_cont
(
1.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
echo
#Argument should remain constant for the entire partition
--
error
ER_ARGUMENT_NOT_CONSTANT
select
name
,
percentile_cont
(
test
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
error
ER_ARGUMENT_NOT_CONSTANT
select
name
,
percentile_disc
(
test
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
echo
#only numerical types are allowed as argument to percentile functions
--
error
ER_WRONG_TYPE_OF_ARGUMENT
select
name
,
percentile_cont
(
name
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
error
ER_WRONG_TYPE_OF_ARGUMENT
select
name
,
percentile_disc
(
name
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
from
t1
;
--
echo
#complete query with partition column
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
),
percentile_disc
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
percentile_cont
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.1
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.2
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.3
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.4
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.6
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.7
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.8
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
0.9
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
name
,
cume_dist
()
over
(
partition
by
name
order
by
score
)
as
b
,
percentile_disc
(
1
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.1
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.2
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.3
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.4
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.5
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.6
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.7
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.8
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
0.9
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
select
median
(
score
)
over
(
partition
by
name
),
percentile_cont
(
1
)
within
group
(
order
by
score
)
over
(
partition
by
name
)
as
c
from
t1
;
drop
table
t1
;
sql/item_sum.h
View file @
914e2c9b
...
...
@@ -354,7 +354,8 @@ class Item_sum :public Item_func_or_sum
VARIANCE_FUNC
,
SUM_BIT_FUNC
,
UDF_SUM_FUNC
,
GROUP_CONCAT_FUNC
,
ROW_NUMBER_FUNC
,
RANK_FUNC
,
DENSE_RANK_FUNC
,
PERCENT_RANK_FUNC
,
CUME_DIST_FUNC
,
NTILE_FUNC
,
FIRST_VALUE_FUNC
,
LAST_VALUE_FUNC
,
NTH_VALUE_FUNC
,
LEAD_FUNC
,
LAG_FUNC
NTH_VALUE_FUNC
,
LEAD_FUNC
,
LAG_FUNC
,
PERCENTILE_CONT_FUNC
,
PERCENTILE_DISC_FUNC
};
Item
**
ref_by
;
/* pointer to a ref to the object used to register it */
...
...
sql/item_windowfunc.cc
View file @
914e2c9b
...
...
@@ -108,6 +108,7 @@ Item_window_func::fix_fields(THD *thd, Item **ref)
my_error
(
ER_NO_ORDER_LIST_IN_WINDOW_SPEC
,
MYF
(
0
),
window_func
()
->
func_name
());
return
true
;
}
/*
TODO: why the last parameter is 'ref' in this call? What if window_func
decides to substitute itself for something else and does *ref=.... ?
...
...
@@ -168,10 +169,25 @@ void Item_window_func::split_sum_func(THD *thd, Ref_ptr_array ref_pointer_array,
window_func
()
->
setup_caches
(
thd
);
}
bool
Item_window_func
::
check_result_type_of_order_item
()
{
if
(
only_single_element_order_list
())
{
Item_result
rtype
=
window_spec
->
order_list
->
first
->
item
[
0
]
->
cmp_type
();
// TODO (varun) : support date type in percentile_cont function
if
(
rtype
!=
REAL_RESULT
&&
rtype
!=
INT_RESULT
&&
rtype
!=
DECIMAL_RESULT
&&
rtype
!=
TIME_RESULT
)
{
my_error
(
ER_WRONG_TYPE_FOR_PERCENTILE_FUNC
,
MYF
(
0
),
window_func
()
->
func_name
());
return
TRUE
;
}
setting_handler_for_percentile_functions
(
rtype
);
}
return
FALSE
;
}
/*
This must be called before attempting to compute the window function values.
@detail
If we attempt to do it in fix_fields(), partition_fields will refer
to the original window function arguments.
...
...
@@ -194,6 +210,71 @@ void Item_sum_dense_rank::setup_window_func(THD *thd, Window_spec *window_spec)
clear
();
}
void
Item_sum_percentile_disc
::
setup_window_func
(
THD
*
thd
,
Window_spec
*
window_spec
)
{
order_item
=
window_spec
->
order_list
->
first
->
item
[
0
];
if
(
!
(
value
=
order_item
->
get_cache
(
thd
)))
return
;
value
->
setup
(
thd
,
order_item
);
value
->
store
(
order_item
);
}
void
Item_sum_percentile_cont
::
setup_window_func
(
THD
*
thd
,
Window_spec
*
window_spec
)
{
order_item
=
window_spec
->
order_list
->
first
->
item
[
0
];
/* TODO(varun): need to discuss and finalise what type should we
return for percentile cont functions
*/
if
(
!
(
ceil_value
=
order_item
->
get_cache
(
thd
)))
return
;
ceil_value
->
setup
(
thd
,
order_item
);
ceil_value
->
store
(
order_item
);
if
(
!
(
floor_value
=
order_item
->
get_cache
(
thd
)))
return
;
floor_value
->
setup
(
thd
,
order_item
);
floor_value
->
store
(
order_item
);
}
bool
Item_sum_percentile_cont
::
fix_fields
(
THD
*
thd
,
Item
**
ref
)
{
bool
res
;
res
=
Item_sum_num
::
fix_fields
(
thd
,
ref
);
if
(
res
)
return
res
;
switch
(
args
[
0
]
->
cmp_type
())
{
case
DECIMAL_RESULT
:
case
REAL_RESULT
:
case
INT_RESULT
:
break
;
default:
my_error
(
ER_WRONG_TYPE_OF_ARGUMENT
,
MYF
(
0
),
func_name
());
return
TRUE
;
}
return
res
;
}
bool
Item_sum_percentile_disc
::
fix_fields
(
THD
*
thd
,
Item
**
ref
)
{
bool
res
;
res
=
Item_sum_num
::
fix_fields
(
thd
,
ref
);
if
(
res
)
return
res
;
switch
(
args
[
0
]
->
cmp_type
())
{
case
DECIMAL_RESULT
:
case
REAL_RESULT
:
case
INT_RESULT
:
break
;
default:
my_error
(
ER_WRONG_TYPE_OF_ARGUMENT
,
MYF
(
0
),
func_name
());
return
TRUE
;
}
return
res
;
}
bool
Item_sum_dense_rank
::
add
()
{
if
(
peer_tracker
->
check_if_next_group
()
||
first_add
)
...
...
sql/item_windowfunc.h
View file @
914e2c9b
...
...
@@ -24,6 +24,7 @@ class Window_spec;
int
test_if_group_changed
(
List
<
Cached_item
>
&
list
);
/* A wrapper around test_if_group_changed */
class
Group_bound_tracker
{
...
...
@@ -572,6 +573,9 @@ class Item_sum_cume_dist: public Item_sum_window_with_row_count
Item_sum_cume_dist
(
THD
*
thd
)
:
Item_sum_window_with_row_count
(
thd
),
current_row_count_
(
0
)
{}
Item_sum_cume_dist
(
THD
*
thd
,
Item
*
arg
)
:
Item_sum_window_with_row_count
(
thd
,
arg
),
current_row_count_
(
0
)
{}
double
val_real
()
{
if
(
get_row_count
()
==
0
)
...
...
@@ -618,6 +622,11 @@ class Item_sum_cume_dist: public Item_sum_window_with_row_count
Item
*
get_copy
(
THD
*
thd
,
MEM_ROOT
*
mem_root
)
{
return
get_item_copy
<
Item_sum_cume_dist
>
(
thd
,
mem_root
,
this
);
}
ulonglong
get_row_number
()
{
return
current_row_count_
;
}
private:
ulonglong
current_row_count_
;
};
...
...
@@ -693,6 +702,277 @@ class Item_sum_ntile : public Item_sum_window_with_row_count
ulong
current_row_count_
;
};
class
Item_sum_percentile_disc
:
public
Item_sum_cume_dist
,
public
Type_handler_hybrid_field_type
{
public:
Item_sum_percentile_disc
(
THD
*
thd
,
Item
*
arg
)
:
Item_sum_cume_dist
(
thd
,
arg
),
Type_handler_hybrid_field_type
(
&
type_handler_longlong
),
value
(
NULL
),
val_calculated
(
FALSE
),
first_call
(
TRUE
),
prev_value
(
0
),
order_item
(
NULL
){}
double
val_real
()
{
if
(
get_row_count
()
==
0
||
get_arg
(
0
)
->
is_null
())
{
null_value
=
true
;
return
0
;
}
null_value
=
false
;
return
value
->
val_real
();
}
longlong
val_int
()
{
if
(
get_row_count
()
==
0
||
get_arg
(
0
)
->
is_null
())
{
null_value
=
true
;
return
0
;
}
null_value
=
false
;
return
value
->
val_int
();
}
my_decimal
*
val_decimal
(
my_decimal
*
dec
)
{
if
(
get_row_count
()
==
0
||
get_arg
(
0
)
->
is_null
())
{
null_value
=
true
;
return
0
;
}
null_value
=
false
;
return
value
->
val_decimal
(
dec
);
}
String
*
val_str
(
String
*
str
)
{
if
(
get_row_count
()
==
0
||
get_arg
(
0
)
->
is_null
())
{
null_value
=
true
;
return
0
;
}
null_value
=
false
;
return
value
->
val_str
(
str
);
}
bool
add
()
{
Item
*
arg
=
get_arg
(
0
);
if
(
arg
->
is_null
())
return
false
;
if
(
first_call
)
{
prev_value
=
arg
->
val_real
();
if
(
prev_value
>
1
||
prev_value
<
0
)
{
my_error
(
ER_ARGUMENT_OUT_OF_RANGE
,
MYF
(
0
),
func_name
());
return
true
;
}
first_call
=
false
;
}
double
arg_val
=
arg
->
val_real
();
if
(
prev_value
!=
arg_val
)
{
my_error
(
ER_ARGUMENT_NOT_CONSTANT
,
MYF
(
0
),
func_name
());
return
true
;
}
if
(
val_calculated
)
return
false
;
value
->
store
(
order_item
);
value
->
cache_value
();
if
(
value
->
null_value
)
return
false
;
Item_sum_cume_dist
::
add
();
double
val
=
Item_sum_cume_dist
::
val_real
();
if
(
val
>=
prev_value
&&
!
val_calculated
)
val_calculated
=
true
;
return
false
;
}
enum
Sumfunctype
sum_func
()
const
{
return
PERCENTILE_DISC_FUNC
;
}
void
clear
()
{
val_calculated
=
false
;
first_call
=
true
;
value
->
clear
();
Item_sum_cume_dist
::
clear
();
}
const
char
*
func_name
()
const
{
return
"percentile_disc"
;
}
void
update_field
()
{}
void
set_type_handler
(
Window_spec
*
window_spec
);
const
Type_handler
*
type_handler
()
const
{
return
Type_handler_hybrid_field_type
::
type_handler
();}
void
fix_length_and_dec
()
{
decimals
=
10
;
// TODO-cvicentiu find out how many decimals the standard
// requires.
}
Item
*
get_copy
(
THD
*
thd
,
MEM_ROOT
*
mem_root
)
{
return
get_item_copy
<
Item_sum_percentile_disc
>
(
thd
,
mem_root
,
this
);
}
void
setup_window_func
(
THD
*
thd
,
Window_spec
*
window_spec
);
void
setup_hybrid
(
THD
*
thd
,
Item
*
item
);
bool
fix_fields
(
THD
*
thd
,
Item
**
ref
);
private:
Item_cache
*
value
;
bool
val_calculated
;
bool
first_call
;
double
prev_value
;
Item
*
order_item
;
};
class
Item_sum_percentile_cont
:
public
Item_sum_cume_dist
,
public
Type_handler_hybrid_field_type
{
public:
Item_sum_percentile_cont
(
THD
*
thd
,
Item
*
arg
)
:
Item_sum_cume_dist
(
thd
,
arg
),
Type_handler_hybrid_field_type
(
&
type_handler_double
),
floor_value
(
NULL
),
ceil_value
(
NULL
),
first_call
(
TRUE
),
prev_value
(
0
),
ceil_val_calculated
(
FALSE
),
floor_val_calculated
(
FALSE
),
order_item
(
NULL
){}
double
val_real
()
{
if
(
get_row_count
()
==
0
||
get_arg
(
0
)
->
is_null
())
{
null_value
=
true
;
return
0
;
}
null_value
=
false
;
double
val
=
1
+
prev_value
*
(
get_row_count
()
-
1
);
/*
Applying the formula to get the value
If (CRN = FRN = RN) then the result is (value of expression from row at RN)
Otherwise the result is
(CRN - RN) * (value of expression for row at FRN) +
(RN - FRN) * (value of expression for row at CRN)
*/
if
(
ceil
(
val
)
==
floor
(
val
))
return
floor_value
->
val_real
();
double
ret_val
=
((
val
-
floor
(
val
))
*
ceil_value
->
val_real
())
+
((
ceil
(
val
)
-
val
)
*
floor_value
->
val_real
());
return
ret_val
;
}
bool
add
()
{
Item
*
arg
=
get_arg
(
0
);
if
(
arg
->
is_null
())
return
false
;
if
(
first_call
)
{
first_call
=
false
;
prev_value
=
arg
->
val_real
();
if
(
prev_value
>
1
||
prev_value
<
0
)
{
my_error
(
ER_ARGUMENT_OUT_OF_RANGE
,
MYF
(
0
),
func_name
());
return
true
;
}
}
double
arg_val
=
arg
->
val_real
();
if
(
prev_value
!=
arg_val
)
{
my_error
(
ER_ARGUMENT_NOT_CONSTANT
,
MYF
(
0
),
func_name
());
return
true
;
}
if
(
!
floor_val_calculated
)
{
floor_value
->
store
(
order_item
);
floor_value
->
cache_value
();
if
(
floor_value
->
null_value
)
return
false
;
}
if
(
floor_val_calculated
&&
!
ceil_val_calculated
)
{
ceil_value
->
store
(
order_item
);
ceil_value
->
cache_value
();
if
(
ceil_value
->
null_value
)
return
false
;
}
Item_sum_cume_dist
::
add
();
double
val
=
1
+
prev_value
*
(
get_row_count
()
-
1
);
if
(
!
floor_val_calculated
&&
get_row_number
()
==
floor
(
val
))
floor_val_calculated
=
true
;
if
(
!
ceil_val_calculated
&&
get_row_number
()
==
ceil
(
val
))
ceil_val_calculated
=
true
;
return
false
;
}
enum
Sumfunctype
sum_func
()
const
{
return
PERCENTILE_CONT_FUNC
;
}
void
clear
()
{
first_call
=
true
;
floor_value
->
clear
();
ceil_value
->
clear
();
floor_val_calculated
=
false
;
ceil_val_calculated
=
false
;
Item_sum_cume_dist
::
clear
();
}
const
char
*
func_name
()
const
{
return
"percentile_cont"
;
}
void
update_field
()
{}
void
set_type_handler
(
Window_spec
*
window_spec
);
const
Type_handler
*
type_handler
()
const
{
return
Type_handler_hybrid_field_type
::
type_handler
();}
void
fix_length_and_dec
()
{
decimals
=
10
;
// TODO-cvicentiu find out how many decimals the standard
// requires.
}
Item
*
get_copy
(
THD
*
thd
,
MEM_ROOT
*
mem_root
)
{
return
get_item_copy
<
Item_sum_percentile_cont
>
(
thd
,
mem_root
,
this
);
}
void
setup_window_func
(
THD
*
thd
,
Window_spec
*
window_spec
);
void
setup_hybrid
(
THD
*
thd
,
Item
*
item
);
bool
fix_fields
(
THD
*
thd
,
Item
**
ref
);
private:
Item_cache
*
floor_value
;
Item_cache
*
ceil_value
;
bool
first_call
;
double
prev_value
;
bool
ceil_val_calculated
;
bool
floor_val_calculated
;
Item
*
order_item
;
};
class
Item_window_func
:
public
Item_func_or_sum
{
...
...
@@ -747,6 +1027,8 @@ class Item_window_func : public Item_func_or_sum
case
Item_sum
:
:
PERCENT_RANK_FUNC
:
case
Item_sum
:
:
CUME_DIST_FUNC
:
case
Item_sum
:
:
NTILE_FUNC
:
case
Item_sum
:
:
PERCENTILE_CONT_FUNC
:
case
Item_sum
:
:
PERCENTILE_DISC_FUNC
:
return
true
;
default:
return
false
;
...
...
@@ -773,6 +1055,8 @@ class Item_window_func : public Item_func_or_sum
case
Item_sum
:
:
PERCENT_RANK_FUNC
:
case
Item_sum
:
:
CUME_DIST_FUNC
:
case
Item_sum
:
:
NTILE_FUNC
:
case
Item_sum
:
:
PERCENTILE_CONT_FUNC
:
case
Item_sum
:
:
PERCENTILE_DISC_FUNC
:
return
true
;
default:
return
false
;
...
...
@@ -796,12 +1080,40 @@ class Item_window_func : public Item_func_or_sum
case
Item_sum
:
:
DENSE_RANK_FUNC
:
case
Item_sum
:
:
PERCENT_RANK_FUNC
:
case
Item_sum
:
:
CUME_DIST_FUNC
:
case
Item_sum
:
:
PERCENTILE_CONT_FUNC
:
case
Item_sum
:
:
PERCENTILE_DISC_FUNC
:
return
true
;
default:
return
false
;
}
}
bool
only_single_element_order_list
()
const
{
switch
(
window_func
()
->
sum_func
()){
case
Item_sum
:
:
PERCENTILE_CONT_FUNC
:
case
Item_sum
:
:
PERCENTILE_DISC_FUNC
:
return
true
;
default:
return
false
;
}
}
void
setting_handler_for_percentile_functions
(
Item_result
rtype
)
const
{
switch
(
window_func
()
->
sum_func
()){
case
Item_sum
:
:
PERCENTILE_DISC_FUNC
:
((
Item_sum_percentile_disc
*
)
window_func
())
->
set_handler_by_cmp_type
(
rtype
);
break
;
default:
return
;
}
}
bool
check_result_type_of_order_item
();
/*
Computation functions.
TODO: consoder merging these with class Group_bound_tracker.
...
...
sql/lex.h
View file @
914e2c9b
...
...
@@ -701,6 +701,7 @@ static SYMBOL symbols[] = {
{
"WHILE"
,
SYM
(
WHILE_SYM
)},
{
"WINDOW"
,
SYM
(
WINDOW_SYM
)},
{
"WITH"
,
SYM
(
WITH
)},
{
"WITHIN"
,
SYM
(
WITHIN
)},
{
"WORK"
,
SYM
(
WORK_SYM
)},
{
"WRAPPER"
,
SYM
(
WRAPPER_SYM
)},
{
"WRITE"
,
SYM
(
WRITE_SYM
)},
...
...
@@ -736,6 +737,7 @@ static SYMBOL sql_functions[] = {
{
"LAG"
,
SYM
(
LAG_SYM
)},
{
"LEAD"
,
SYM
(
LEAD_SYM
)},
{
"MAX"
,
SYM
(
MAX_SYM
)},
{
"MEDIAN"
,
SYM
(
MEDIAN_SYM
)},
{
"MID"
,
SYM
(
SUBSTRING
)},
/* unireg function */
{
"MIN"
,
SYM
(
MIN_SYM
)},
{
"NOW"
,
SYM
(
NOW_SYM
)},
...
...
@@ -743,6 +745,8 @@ static SYMBOL sql_functions[] = {
{
"NTILE"
,
SYM
(
NTILE_SYM
)},
{
"POSITION"
,
SYM
(
POSITION_SYM
)},
{
"PERCENT_RANK"
,
SYM
(
PERCENT_RANK_SYM
)},
{
"PERCENTILE_CONT"
,
SYM
(
PERCENTILE_CONT_SYM
)},
{
"PERCENTILE_DISC"
,
SYM
(
PERCENTILE_DISC_SYM
)},
{
"RANK"
,
SYM
(
RANK_SYM
)},
{
"ROW_NUMBER"
,
SYM
(
ROW_NUMBER_SYM
)},
{
"SESSION_USER"
,
SYM
(
USER_SYM
)},
...
...
sql/share/errmsg-utf8.txt
View file @
914e2c9b
...
...
@@ -7790,3 +7790,13 @@ ER_WRONG_NUMBER_OF_VALUES_IN_TVC
eng "The used table value constructor has a different number of values"
ER_FIELD_REFERENCE_IN_TVC
eng "Field reference '%-.192s' can't be used in table value constructor"
ER_NOT_SINGLE_ELEMENT_ORDER_LIST
eng "Incorrect number of elements in the order list for '%s'"
ER_WRONG_TYPE_FOR_PERCENTILE_FUNC
eng "Numeric datatype is required for %s function"
ER_ARGUMENT_NOT_CONSTANT
eng "Argument to the %s function is not a constant for a partition"
ER_ARGUMENT_OUT_OF_RANGE
eng "Argument to the %s function does not belong to the range [0,1]"
ER_WRONG_TYPE_OF_ARGUMENT
eng "%s function only accepts arguments that can be converted to numerical types"
sql/sql_window.cc
View file @
914e2c9b
...
...
@@ -321,6 +321,12 @@ setup_windows(THD *thd, Ref_ptr_array ref_pointer_array, TABLE_LIST *tables,
win_func_item
->
update_used_tables
();
}
li
.
rewind
();
while
((
win_func_item
=
li
++
))
{
if
(
win_func_item
->
check_result_type_of_order_item
())
DBUG_RETURN
(
1
);
}
DBUG_RETURN
(
0
);
}
...
...
@@ -968,6 +974,8 @@ class Partition_read_cursor : public Table_read_cursor
bool
end_of_partition
;
};
/////////////////////////////////////////////////////////////////////////////
/*
...
...
@@ -1735,7 +1743,17 @@ class Frame_unbounded_following_set_count : public Frame_unbounded_following
/* Walk to the end of the partition, find how many rows there are. */
while
(
!
cursor
.
next
())
num_rows_in_partition
++
;
set_win_funcs_row_count
(
num_rows_in_partition
);
}
ha_rows
get_curr_rownum
()
const
{
return
cursor
.
get_rownum
();
}
protected:
void
set_win_funcs_row_count
(
ha_rows
num_rows_in_partition
)
{
List_iterator_fast
<
Item_sum
>
it
(
sum_functions
);
Item_sum
*
item
;
while
((
item
=
it
++
))
...
...
@@ -1745,11 +1763,43 @@ class Frame_unbounded_following_set_count : public Frame_unbounded_following
item_with_row_count
->
set_row_count
(
num_rows_in_partition
);
}
}
};
class
Frame_unbounded_following_set_count_no_nulls
:
public
Frame_unbounded_following_set_count
{
public:
Frame_unbounded_following_set_count_no_nulls
(
THD
*
thd
,
SQL_I_List
<
ORDER
>
*
partition_list
,
SQL_I_List
<
ORDER
>
*
order_list
)
:
Frame_unbounded_following_set_count
(
thd
,
partition_list
,
order_list
)
{
order_item
=
order_list
->
first
->
item
[
0
];
}
void
next_partition
(
ha_rows
rownum
)
{
ha_rows
num_rows_in_partition
=
0
;
if
(
cursor
.
fetch
())
return
;
/* Walk to the end of the partition, find how many rows there are. */
do
{
if
(
!
order_item
->
is_null
())
num_rows_in_partition
++
;
}
while
(
!
cursor
.
next
());
set_win_funcs_row_count
(
num_rows_in_partition
);
}
ha_rows
get_curr_rownum
()
const
{
return
cursor
.
get_rownum
();
}
private:
Item
*
order_item
;
};
/////////////////////////////////////////////////////////////////////////////
...
...
@@ -2490,6 +2540,21 @@ void add_special_frame_cursors(THD *thd, Cursor_manager *cursor_manager,
cursor_manager
->
add_cursor
(
fc
);
break
;
}
case
Item_sum
:
:
PERCENTILE_CONT_FUNC
:
case
Item_sum
:
:
PERCENTILE_DISC_FUNC
:
{
fc
=
new
Frame_unbounded_preceding
(
thd
,
spec
->
partition_list
,
spec
->
order_list
);
fc
->
add_sum_func
(
item_sum
);
cursor_manager
->
add_cursor
(
fc
);
fc
=
new
Frame_unbounded_following
(
thd
,
spec
->
partition_list
,
spec
->
order_list
);
fc
->
add_sum_func
(
item_sum
);
cursor_manager
->
add_cursor
(
fc
);
break
;
}
default:
fc
=
new
Frame_unbounded_preceding
(
thd
,
spec
->
partition_list
,
spec
->
order_list
);
...
...
@@ -2514,6 +2579,8 @@ static bool is_computed_with_remove(Item_sum::Sumfunctype sum_func)
case
Item_sum
:
:
NTILE_FUNC
:
case
Item_sum
:
:
FIRST_VALUE_FUNC
:
case
Item_sum
:
:
LAST_VALUE_FUNC
:
case
Item_sum
:
:
PERCENTILE_CONT_FUNC
:
case
Item_sum
:
:
PERCENTILE_DISC_FUNC
:
return
false
;
default:
return
true
;
...
...
@@ -2543,10 +2610,19 @@ void get_window_functions_required_cursors(
Add a cursor that retrieves it as the first one in the list if necessary.
*/
if
(
item_win_func
->
requires_partition_size
())
{
if
(
item_win_func
->
only_single_element_order_list
())
{
fc
=
new
Frame_unbounded_following_set_count_no_nulls
(
thd
,
item_win_func
->
window_spec
->
partition_list
,
item_win_func
->
window_spec
->
order_list
);
}
else
{
fc
=
new
Frame_unbounded_following_set_count
(
thd
,
item_win_func
->
window_spec
->
partition_list
,
item_win_func
->
window_spec
->
order_list
);
}
fc
->
add_sum_func
(
sum_func
);
cursor_manager
->
add_cursor
(
fc
);
}
...
...
@@ -2727,6 +2803,13 @@ bool compute_window_func(THD *thd,
{
cursor_manager
->
notify_cursors_next_row
();
}
/* Check if we found any error in the window function while adding values
through cursors. */
if
(
thd
->
is_error
()
||
thd
->
is_killed
())
break
;
/* Return to current row after notifying cursors for each window
function. */
tbl
->
file
->
ha_rnd_pos
(
tbl
->
record
[
0
],
rowid_buf
);
...
...
sql/sql_yacc.yy
View file @
914e2c9b
...
...
@@ -1237,6 +1237,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token MAX_STATEMENT_TIME_SYM
%token MAX_USER_CONNECTIONS_SYM
%token MAXVALUE_SYM /* SQL-2003-N */
%token MEDIAN_SYM
%token MEDIUMBLOB
%token MEDIUMINT
%token MEDIUMTEXT
...
...
@@ -1329,6 +1330,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token PARTITIONING_SYM
%token PASSWORD_SYM
%token PERCENT_RANK_SYM
%token PERCENTILE_CONT_SYM
%token PERCENTILE_DISC_SYM
%token PERSISTENT_SYM
%token PHASE_SYM
%token PLUGINS_SYM
...
...
@@ -1577,6 +1580,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token WINDOW_SYM
%token WHILE_SYM
%token WITH /* SQL-2003-R */
%token WITHIN
%token WITH_CUBE_SYM /* INTERNAL */
%token WITH_ROLLUP_SYM /* INTERNAL */
%token WORK_SYM /* SQL-2003-N */
...
...
@@ -1736,6 +1740,9 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
window_func_expr
window_func
simple_window_func
inverse_distribution_function
percentile_function
inverse_distribution_function_def
function_call_keyword
function_call_nonkeyword
function_call_generic
...
...
@@ -1958,7 +1965,6 @@ END_OF_INPUT
%type <spvar_definition> row_field_name row_field_definition
%type <spvar_definition_list> row_field_definition_list row_type_body
%type <NONE> opt_window_clause window_def_list window_def window_spec
%type <lex_str_ptr> window_name
%type <NONE> opt_window_ref opt_window_frame_clause
...
...
@@ -9411,6 +9417,7 @@ column_default_non_parenthesized_expr:
| variable
| sum_expr
| window_func_expr
| inverse_distribution_function
| ROW_SYM '(' expr ',' expr_list ')'
{
$5->push_front($3, thd->mem_root);
...
...
@@ -10269,6 +10276,11 @@ geometry_function:
Geometry::wkb_polygon,
Geometry::wkb_linestring));
}
| WITHIN '(' expr ',' expr ')'
{
$$= GEOM_NEW(thd, Item_func_spatial_precise_rel(thd, $3, $5,
Item_func::SP_WITHIN_FUNC));
}
;
/*
...
...
@@ -10730,6 +10742,71 @@ simple_window_func:
}
;
inverse_distribution_function:
percentile_function OVER_SYM
'(' opt_window_partition_clause ')'
{
LEX *lex= Lex;
if (Select->add_window_spec(thd, lex->win_ref,
Select->group_list,
Select->order_list,
NULL))
MYSQL_YYABORT;
$$= new (thd->mem_root) Item_window_func(thd, (Item_sum *) $1,
thd->lex->win_spec);
if ($$ == NULL)
MYSQL_YYABORT;
if (Select->add_window_func((Item_window_func *) $$))
MYSQL_YYABORT;
}
;
percentile_function:
inverse_distribution_function_def WITHIN GROUP_SYM '('
{ Select->prepare_add_window_spec(thd); }
order_by_single_element_list ')'
{
$$= $1;
}
| MEDIAN_SYM '(' expr ')'
{
Item *args= new (thd->mem_root) Item_decimal(thd, "0.5", 3,
thd->charset());
if (($$ == NULL) || (thd->is_error()))
{
MYSQL_YYABORT;
}
if (add_order_to_list(thd, $3,FALSE)) MYSQL_YYABORT;
$$= new (thd->mem_root) Item_sum_percentile_cont(thd, args);
if ($$ == NULL)
MYSQL_YYABORT;
}
;
inverse_distribution_function_def:
PERCENTILE_CONT_SYM '(' expr ')'
{
$$= new (thd->mem_root) Item_sum_percentile_cont(thd, $3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| PERCENTILE_DISC_SYM '(' expr ')'
{
$$= new (thd->mem_root) Item_sum_percentile_disc(thd, $3);
if ($$ == NULL)
MYSQL_YYABORT;
}
;
order_by_single_element_list:
ORDER_SYM BY order_ident order_dir
{ if (add_order_to_list(thd, $3,(bool) $4)) MYSQL_YYABORT; }
;
window_name:
ident
{
...
...
@@ -14665,6 +14742,7 @@ keyword:
| UNICODE_SYM {}
| UNINSTALL_SYM {}
| UNBOUNDED_SYM {}
| WITHIN {}
| WRAPPER_SYM {}
| XA_SYM {}
| UPGRADE_SYM {}
...
...
sql/sql_yacc_ora.yy
View file @
914e2c9b
...
...
@@ -645,6 +645,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token MAX_STATEMENT_TIME_SYM
%token MAX_USER_CONNECTIONS_SYM
%token MAXVALUE_SYM /* SQL-2003-N */
%token MEDIAN_SYM
%token MEDIUMBLOB
%token MEDIUMINT
%token MEDIUMTEXT
...
...
@@ -737,6 +738,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token PARTITIONING_SYM
%token PASSWORD_SYM
%token PERCENT_RANK_SYM
%token PERCENTILE_CONT_SYM
%token PERCENTILE_DISC_SYM
%token PERSISTENT_SYM
%token PHASE_SYM
%token PLUGINS_SYM
...
...
@@ -983,6 +986,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token WINDOW_SYM
%token WHILE_SYM
%token WITH /* SQL-2003-R */
%token WITHIN
%token WITH_CUBE_SYM /* INTERNAL */
%token WITH_ROLLUP_SYM /* INTERNAL */
%token WORK_SYM /* SQL-2003-N */
...
...
@@ -1147,6 +1151,9 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
window_func_expr
window_func
simple_window_func
inverse_distribution_function
percentile_function
inverse_distribution_function_def
explicit_cursor_attr
function_call_keyword
function_call_nonkeyword
...
...
@@ -9389,6 +9396,7 @@ column_default_non_parenthesized_expr:
| variable
| sum_expr
| window_func_expr
| inverse_distribution_function
| ROW_SYM '(' expr ',' expr_list ')'
{
$5->push_front($3, thd->mem_root);
...
...
@@ -10717,6 +10725,67 @@ simple_window_func:
MYSQL_YYABORT;
}
;
inverse_distribution_function:
percentile_function OVER_SYM
'(' opt_window_partition_clause ')'
{
LEX *lex= Lex;
if (Select->add_window_spec(thd, lex->win_ref,
Select->group_list,
Select->order_list,
NULL))
MYSQL_YYABORT;
$$= new (thd->mem_root) Item_window_func(thd, (Item_sum *) $1,
thd->lex->win_spec);
if ($$ == NULL)
MYSQL_YYABORT;
if (Select->add_window_func((Item_window_func *) $$))
MYSQL_YYABORT;
}
;
percentile_function:
inverse_distribution_function_def WITHIN GROUP_SYM '('
{ Select->prepare_add_window_spec(thd); }
order_by_single_element_list ')'
{
$$= $1;
}
| MEDIAN_SYM '(' expr ')'
{
Item *args= new (thd->mem_root) Item_decimal(thd, "0.5", 3,
thd->charset());
if (($$ == NULL) || (thd->is_error()))
{
MYSQL_YYABORT;
}
if (add_order_to_list(thd, $3,FALSE)) MYSQL_YYABORT;
$$= new (thd->mem_root) Item_sum_percentile_cont(thd, args);
if ($$ == NULL)
MYSQL_YYABORT;
}
;
inverse_distribution_function_def:
PERCENTILE_CONT_SYM '(' expr ')'
{
$$= new (thd->mem_root) Item_sum_percentile_cont(thd, $3);
if ($$ == NULL)
MYSQL_YYABORT;
}
| PERCENTILE_DISC_SYM '(' expr ')'
{
$$= new (thd->mem_root) Item_sum_percentile_disc(thd, $3);
if ($$ == NULL)
MYSQL_YYABORT;
}
;
order_by_single_element_list:
ORDER_SYM BY order_ident order_dir
{ if (add_order_to_list(thd, $3,(bool) $4)) MYSQL_YYABORT; }
;
window_name:
ident
...
...
@@ -14703,6 +14772,7 @@ keyword_directly_assignable:
| UNICODE_SYM {}
| UNINSTALL_SYM {}
| UNBOUNDED_SYM {}
| WITHIN {}
| WRAPPER_SYM {}
| XA_SYM {}
| UPGRADE_SYM {}
...
...
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