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nexedi
MariaDB
Commits
54fc4796
Commit
54fc4796
authored
Aug 01, 2018
by
Alexander Barkov
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Plain Diff
MDEV-16874 Implement class Item_handled_func
parent
af46c257
Changes
5
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5 changed files
with
547 additions
and
258 deletions
+547
-258
mysql-test/main/func_time.result
mysql-test/main/func_time.result
+0
-1
sql/item_func.h
sql/item_func.h
+60
-2
sql/item_timefunc.cc
sql/item_timefunc.cc
+70
-208
sql/item_timefunc.h
sql/item_timefunc.h
+412
-47
sql/sql_type.h
sql/sql_type.h
+5
-0
No files found.
mysql-test/main/func_time.result
View file @
54fc4796
...
...
@@ -1716,7 +1716,6 @@ min(timestampadd(month, 1>'', from_days('%Z')))
NULL
Warnings:
Warning 1292 Truncated incorrect INTEGER value: '%Z'
Warning 1292 Truncated incorrect DOUBLE value: ''
Warning 1292 Incorrect datetime value: '0000-00-00'
SET timestamp=UNIX_TIMESTAMP('2001-01-01 00:00:00');
create table t1(a time);
...
...
sql/item_func.h
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54fc4796
...
...
@@ -40,8 +40,6 @@ class Item_func :public Item_func_or_sum,
{
void
sync_with_sum_func_and_with_field
(
List
<
Item
>
&
list
);
protected:
String
*
val_str_from_val_str_ascii
(
String
*
str
,
String
*
str2
);
virtual
bool
check_arguments
()
const
{
return
check_argument_types_scalar
(
0
,
arg_count
);
...
...
@@ -188,6 +186,8 @@ class Item_func :public Item_func_or_sum,
update_null_value
();
return
null_value
;
}
String
*
val_str_from_val_str_ascii
(
String
*
str
,
String
*
str2
);
void
signal_divide_by_null
();
friend
class
udf_handler
;
Field
*
create_field_for_create_select
(
TABLE
*
table
)
...
...
@@ -450,6 +450,64 @@ class Item_hybrid_func: public Item_func,
};
class
Item_handled_func
:
public
Item_func
{
public:
class
Handler
{
public:
virtual
~
Handler
()
{
}
virtual
String
*
val_str
(
Item_handled_func
*
,
String
*
)
const
=
0
;
virtual
String
*
val_str_ascii
(
Item_handled_func
*
,
String
*
)
const
=
0
;
virtual
double
val_real
(
Item_handled_func
*
)
const
=
0
;
virtual
longlong
val_int
(
Item_handled_func
*
)
const
=
0
;
virtual
my_decimal
*
val_decimal
(
Item_handled_func
*
,
my_decimal
*
)
const
=
0
;
virtual
bool
get_date
(
Item_handled_func
*
,
MYSQL_TIME
*
,
ulonglong
fuzzydate
)
const
=
0
;
virtual
const
Type_handler
*
return_type_handler
()
const
=
0
;
virtual
bool
fix_length_and_dec
(
Item_handled_func
*
)
const
=
0
;
};
protected:
const
Handler
*
m_func_handler
;
public:
Item_handled_func
(
THD
*
thd
,
Item
*
a
)
:
Item_func
(
thd
,
a
),
m_func_handler
(
NULL
)
{
}
Item_handled_func
(
THD
*
thd
,
Item
*
a
,
Item
*
b
)
:
Item_func
(
thd
,
a
,
b
),
m_func_handler
(
NULL
)
{
}
void
set_func_handler
(
const
Handler
*
handler
)
{
m_func_handler
=
handler
;
}
const
Type_handler
*
type_handler
()
const
{
return
m_func_handler
->
return_type_handler
();
}
String
*
val_str
(
String
*
to
)
{
return
m_func_handler
->
val_str
(
this
,
to
);
}
String
*
val_str_ascii
(
String
*
to
)
{
return
m_func_handler
->
val_str_ascii
(
this
,
to
);
}
double
val_real
()
{
return
m_func_handler
->
val_real
(
this
);
}
longlong
val_int
()
{
return
m_func_handler
->
val_int
(
this
);
}
my_decimal
*
val_decimal
(
my_decimal
*
to
)
{
return
m_func_handler
->
val_decimal
(
this
,
to
);
}
bool
get_date
(
MYSQL_TIME
*
to
,
ulonglong
fuzzydate
)
{
return
m_func_handler
->
get_date
(
this
,
to
,
fuzzydate
);
}
};
/**
Functions that at fix_fields() time determine the returned field type,
trying to preserve the exact data type of the arguments.
...
...
sql/item_timefunc.cc
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54fc4796
This diff is collapsed.
Click to expand it.
sql/item_timefunc.h
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54fc4796
This diff is collapsed.
Click to expand it.
sql/sql_type.h
View file @
54fc4796
...
...
@@ -367,6 +367,11 @@ class Temporal_with_date: protected MYSQL_TIME
{
make_from_item
(
thd
,
item
,
flags
);
}
public:
bool
check_date_with_warn
(
ulonglong
flags
)
{
return
::
check_date_with_warn
(
this
,
flags
,
MYSQL_TIMESTAMP_ERROR
);
}
};
...
...
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