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nexedi
MariaDB
Commits
f4ce3ec1
Commit
f4ce3ec1
authored
Oct 15, 2004
by
unknown
Browse files
Options
Browse Files
Download
Plain Diff
Merge joreland@bk-internal.mysql.com:/home/bk/mysql-4.1-ndb
into mysql.com:/home/jonas/src/mysql-4.1-ndb
parents
11e5f207
0fbbaf9e
Changes
7
Show whitespace changes
Inline
Side-by-side
Showing
7 changed files
with
100 additions
and
140 deletions
+100
-140
mysql-test/ndb/ndb_range_bounds.pl
mysql-test/ndb/ndb_range_bounds.pl
+15
-10
ndb/src/kernel/blocks/dbtux/Dbtux.hpp
ndb/src/kernel/blocks/dbtux/Dbtux.hpp
+15
-24
ndb/src/kernel/blocks/dbtux/DbtuxDebug.cpp
ndb/src/kernel/blocks/dbtux/DbtuxDebug.cpp
+16
-23
ndb/src/kernel/blocks/dbtux/DbtuxNode.cpp
ndb/src/kernel/blocks/dbtux/DbtuxNode.cpp
+3
-19
ndb/src/kernel/blocks/dbtux/DbtuxScan.cpp
ndb/src/kernel/blocks/dbtux/DbtuxScan.cpp
+26
-25
ndb/src/kernel/blocks/dbtux/DbtuxSearch.cpp
ndb/src/kernel/blocks/dbtux/DbtuxSearch.cpp
+3
-9
ndb/src/kernel/blocks/dbtux/DbtuxTree.cpp
ndb/src/kernel/blocks/dbtux/DbtuxTree.cpp
+22
-30
No files found.
mysql-test/ndb/ndb_range_bounds.pl
View file @
f4ce3ec1
...
...
@@ -7,10 +7,12 @@
use
strict
;
use
integer
;
use
Getopt::
Long
;
my
$all
=
shift
;
!
defined
(
$all
)
||
(
$all
eq
'
--all
'
&&
!
defined
(
shift
))
or
die
"
only available option is --all
";
my
$opt_all
=
0
;
my
$opt_cnt
=
5
;
GetOptions
("
all
"
=>
\
$opt_all
,
"
cnt=i
"
=>
\
$opt_cnt
)
or
die
"
options are: --all --cnt=N
";
my
$table
=
'
t
';
...
...
@@ -67,15 +69,18 @@ sub mkall ($$$\@) {
my
(
$col
,
$key1
,
$key2
,
$val
)
=
@_
;
my
@a
=
();
my
$p
=
mkdummy
(
@$val
);
push
(
@a
,
$p
)
if
$all
;
my
@ops1
=
$all
?
qw(< <= = >= >)
:
qw(= >= >)
;
my
@ops2
=
$all
?
qw(< <= = >= >)
:
qw(< <=)
;
push
(
@a
,
$p
)
if
$opt_all
;
my
@ops
=
qw(< <= = >= >)
;
for
my
$op
(
@ops
)
{
my
$p
=
mkone
(
$col
,
$op
,
$key1
,
@$val
);
push
(
@a
,
$p
)
if
$opt_all
||
$p
->
{
cnt
}
!=
0
;
}
my
@ops1
=
$opt_all
?
@ops
:
qw(= >= >)
;
my
@ops2
=
$opt_all
?
@ops
:
qw(<= <)
;
for
my
$op1
(
@ops1
)
{
my
$p
=
mkone
(
$col
,
$op1
,
$key1
,
@$val
);
push
(
@a
,
$p
)
if
$all
||
$p
->
{
cnt
}
!=
0
;
for
my
$op2
(
@ops2
)
{
my
$p
=
mktwo
(
$col
,
$op1
,
$key1
,
$op2
,
$key2
,
@$val
);
push
(
@a
,
$p
)
if
$all
||
$p
->
{
cnt
}
!=
0
;
push
(
@a
,
$p
)
if
$
opt_
all
||
$p
->
{
cnt
}
!=
0
;
}
}
return
\
@a
;
...
...
@@ -95,7 +100,7 @@ create table $table (
index (b, c, d)
) engine=ndb;
EOF
my
@val
=
(
0
..
4
);
my
@val
=
(
0
..
(
$opt_cnt
-
1
)
);
my
$v0
=
0
;
for
my
$v1
(
@val
)
{
for
my
$v2
(
@val
)
{
...
...
ndb/src/kernel/blocks/dbtux/Dbtux.hpp
View file @
f4ce3ec1
...
...
@@ -250,8 +250,8 @@ private:
static
const
unsigned
NodeHeadSize
=
sizeof
(
TreeNode
)
>>
2
;
/*
* Tree node
s are not always accessed fully, for cache reasons. There
*
are 3 access
sizes.
* Tree node
"access size" was for an early version with signal
*
interface to TUP. It is now used only to compute
sizes.
*/
enum
AccSize
{
AccNone
=
0
,
...
...
@@ -284,7 +284,7 @@ private:
* m_occup), and whether the position is at an existing entry or
* before one (if any). Position m_occup points past the node and is
* also represented by position 0 of next node. Includes direction
*
and copy of entry
used by scan.
* used by scan.
*/
struct
TreePos
;
friend
struct
TreePos
;
...
...
@@ -292,8 +292,7 @@ private:
TupLoc
m_loc
;
// physical node address
Uint16
m_pos
;
// position 0 to m_occup
Uint8
m_match
;
// at an existing entry
Uint8
m_dir
;
// from link (0-2) or within node (3)
TreeEnt
m_ent
;
// copy of current entry
Uint8
m_dir
;
// see scanNext()
TreePos
();
};
...
...
@@ -374,6 +373,10 @@ private:
* a separate lock wait flag. It may be for current entry or it may
* be for an entry we were moved away from. In any case nothing
* happens with current entry before lock wait flag is cleared.
*
* An unfinished scan is always linked to some tree node, and has
* current position and direction (see comments at scanNext). There
* is also a copy of latest entry found.
*/
struct
ScanOp
;
friend
struct
ScanOp
;
...
...
@@ -412,7 +415,7 @@ private:
ScanBound
*
m_bound
[
2
];
// pointers to above 2
Uint16
m_boundCnt
[
2
];
// number of bounds in each
TreePos
m_scanPos
;
// position
TreeEnt
m_
lastEnt
;
// last entry returne
d
TreeEnt
m_
scanEnt
;
// latest entry foun
d
Uint32
m_nodeScan
;
// next scan at node (single-linked)
union
{
Uint32
nextPool
;
...
...
@@ -519,7 +522,6 @@ private:
Frag
&
m_frag
;
// fragment using the node
TupLoc
m_loc
;
// physical node address
TreeNode
*
m_node
;
// pointer to node storage
AccSize
m_acc
;
// accessed size
NodeHandle
(
Frag
&
frag
);
NodeHandle
(
const
NodeHandle
&
node
);
NodeHandle
&
operator
=
(
const
NodeHandle
&
node
);
...
...
@@ -580,9 +582,8 @@ private:
* DbtuxNode.cpp
*/
int
allocNode
(
Signal
*
signal
,
NodeHandle
&
node
);
void
accessNode
(
Signal
*
signal
,
NodeHandle
&
node
,
AccSize
acc
);
void
selectNode
(
Signal
*
signal
,
NodeHandle
&
node
,
TupLoc
loc
,
AccSize
acc
);
void
insertNode
(
Signal
*
signal
,
NodeHandle
&
node
,
AccSize
acc
);
void
selectNode
(
Signal
*
signal
,
NodeHandle
&
node
,
TupLoc
loc
);
void
insertNode
(
Signal
*
signal
,
NodeHandle
&
node
);
void
deleteNode
(
Signal
*
signal
,
NodeHandle
&
node
);
void
setNodePref
(
Signal
*
signal
,
NodeHandle
&
node
);
// node operations
...
...
@@ -968,8 +969,7 @@ Dbtux::TreePos::TreePos() :
m_loc
(),
m_pos
(
ZNIL
),
m_match
(
false
),
m_dir
(
255
),
m_ent
()
m_dir
(
255
)
{
}
...
...
@@ -1010,7 +1010,7 @@ Dbtux::ScanOp::ScanOp(ScanBoundPool& scanBoundPool) :
m_boundMin
(
scanBoundPool
),
m_boundMax
(
scanBoundPool
),
m_scanPos
(),
m_
last
Ent
(),
m_
scan
Ent
(),
m_nodeScan
(
RNIL
)
{
m_bound
[
0
]
=
&
m_boundMin
;
...
...
@@ -1084,8 +1084,7 @@ inline
Dbtux
::
NodeHandle
::
NodeHandle
(
Frag
&
frag
)
:
m_frag
(
frag
),
m_loc
(),
m_node
(
0
),
m_acc
(
AccNone
)
m_node
(
0
)
{
}
...
...
@@ -1093,8 +1092,7 @@ inline
Dbtux
::
NodeHandle
::
NodeHandle
(
const
NodeHandle
&
node
)
:
m_frag
(
node
.
m_frag
),
m_loc
(
node
.
m_loc
),
m_node
(
node
.
m_node
),
m_acc
(
node
.
m_acc
)
m_node
(
node
.
m_node
)
{
}
...
...
@@ -1104,7 +1102,6 @@ Dbtux::NodeHandle::operator=(const NodeHandle& node)
ndbassert
(
&
m_frag
==
&
node
.
m_frag
);
m_loc
=
node
.
m_loc
;
m_node
=
node
.
m_node
;
m_acc
=
node
.
m_acc
;
return
*
this
;
}
...
...
@@ -1190,7 +1187,6 @@ inline Dbtux::Data
Dbtux
::
NodeHandle
::
getPref
()
{
TreeHead
&
tree
=
m_frag
.
m_tree
;
ndbrequire
(
m_acc
>=
AccPref
);
return
tree
.
getPref
(
m_node
);
}
...
...
@@ -1201,11 +1197,6 @@ Dbtux::NodeHandle::getEnt(unsigned pos)
TreeEnt
*
entList
=
tree
.
getEntList
(
m_node
);
const
unsigned
occup
=
m_node
->
m_occup
;
ndbrequire
(
pos
<
occup
);
if
(
pos
==
0
||
pos
==
occup
-
1
)
{
ndbrequire
(
m_acc
>=
AccPref
)
}
else
{
ndbrequire
(
m_acc
==
AccFull
)
}
return
entList
[(
1
+
pos
)
%
occup
];
}
...
...
ndb/src/kernel/blocks/dbtux/DbtuxDebug.cpp
View file @
f4ce3ec1
...
...
@@ -122,7 +122,7 @@ Dbtux::printNode(Signal* signal, Frag& frag, NdbOut& out, TupLoc loc, PrintPar&
}
TreeHead
&
tree
=
frag
.
m_tree
;
NodeHandle
node
(
frag
);
selectNode
(
signal
,
node
,
loc
,
AccFull
);
selectNode
(
signal
,
node
,
loc
);
out
<<
par
.
m_path
<<
" "
<<
node
<<
endl
;
// check children
PrintPar
cpar
[
2
];
...
...
@@ -310,7 +310,6 @@ operator<<(NdbOut& out, const Dbtux::TreePos& pos)
out
<<
" [pos "
<<
dec
<<
pos
.
m_pos
<<
"]"
;
out
<<
" [match "
<<
dec
<<
pos
.
m_match
<<
"]"
;
out
<<
" [dir "
<<
dec
<<
pos
.
m_dir
<<
"]"
;
out
<<
" [ent "
<<
pos
.
m_ent
<<
"]"
;
out
<<
"]"
;
return
out
;
}
...
...
@@ -347,6 +346,7 @@ operator<<(NdbOut& out, const Dbtux::ScanOp& scan)
out
<<
" [lockMode "
<<
dec
<<
scan
.
m_lockMode
<<
"]"
;
out
<<
" [keyInfo "
<<
dec
<<
scan
.
m_keyInfo
<<
"]"
;
out
<<
" [pos "
<<
scan
.
m_scanPos
<<
"]"
;
out
<<
" [ent "
<<
scan
.
m_scanEnt
<<
"]"
;
for
(
unsigned
i
=
0
;
i
<=
1
;
i
++
)
{
out
<<
" [bound "
<<
dec
<<
i
;
Dbtux
::
ScanBound
&
bound
=
*
scan
.
m_bound
[
i
];
...
...
@@ -407,9 +407,7 @@ operator<<(NdbOut& out, const Dbtux::NodeHandle& node)
const
Dbtux
::
TreeHead
&
tree
=
frag
.
m_tree
;
out
<<
"[NodeHandle "
<<
hex
<<
&
node
;
out
<<
" [loc "
<<
node
.
m_loc
<<
"]"
;
out
<<
" [acc "
<<
dec
<<
node
.
m_acc
<<
"]"
;
out
<<
" [node "
<<
*
node
.
m_node
<<
"]"
;
if
(
node
.
m_acc
>=
Dbtux
::
AccPref
)
{
const
Uint32
*
data
;
out
<<
" [pref"
;
data
=
(
const
Uint32
*
)
node
.
m_node
+
Dbtux
::
NodeHeadSize
;
...
...
@@ -418,17 +416,12 @@ operator<<(NdbOut& out, const Dbtux::NodeHandle& node)
out
<<
"]"
;
out
<<
" [entList"
;
unsigned
numpos
=
node
.
m_node
->
m_occup
;
if
(
node
.
m_acc
<
Dbtux
::
AccFull
&&
numpos
>
2
)
{
numpos
=
2
;
out
<<
"("
<<
dec
<<
numpos
<<
")"
;
}
data
=
(
const
Uint32
*
)
node
.
m_node
+
Dbtux
::
NodeHeadSize
+
tree
.
m_prefSize
;
const
Dbtux
::
TreeEnt
*
entList
=
(
const
Dbtux
::
TreeEnt
*
)
data
;
// print entries in logical order
for
(
unsigned
pos
=
1
;
pos
<=
numpos
;
pos
++
)
out
<<
" "
<<
entList
[
pos
%
numpos
];
out
<<
"]"
;
}
out
<<
"]"
;
return
out
;
}
...
...
ndb/src/kernel/blocks/dbtux/DbtuxNode.cpp
View file @
f4ce3ec1
...
...
@@ -33,30 +33,16 @@ Dbtux::allocNode(Signal* signal, NodeHandle& node)
jam
();
node
.
m_loc
=
TupLoc
(
pageId
,
pageOffset
);
node
.
m_node
=
reinterpret_cast
<
TreeNode
*>
(
node32
);
node
.
m_acc
=
AccNone
;
ndbrequire
(
node
.
m_loc
!=
NullTupLoc
&&
node
.
m_node
!=
0
);
}
return
errorCode
;
}
/*
* Access more of the node.
*/
void
Dbtux
::
accessNode
(
Signal
*
signal
,
NodeHandle
&
node
,
AccSize
acc
)
{
ndbrequire
(
node
.
m_loc
!=
NullTupLoc
&&
node
.
m_node
!=
0
);
if
(
node
.
m_acc
>=
acc
)
return
;
// XXX could do prefetch
node
.
m_acc
=
acc
;
}
/*
* Set handle to point to existing node.
*/
void
Dbtux
::
selectNode
(
Signal
*
signal
,
NodeHandle
&
node
,
TupLoc
loc
,
AccSize
acc
)
Dbtux
::
selectNode
(
Signal
*
signal
,
NodeHandle
&
node
,
TupLoc
loc
)
{
Frag
&
frag
=
node
.
m_frag
;
ndbrequire
(
loc
!=
NullTupLoc
);
...
...
@@ -67,21 +53,19 @@ Dbtux::selectNode(Signal* signal, NodeHandle& node, TupLoc loc, AccSize acc)
jamEntry
();
node
.
m_loc
=
loc
;
node
.
m_node
=
reinterpret_cast
<
TreeNode
*>
(
node32
);
node
.
m_acc
=
AccNone
;
ndbrequire
(
node
.
m_loc
!=
NullTupLoc
&&
node
.
m_node
!=
0
);
accessNode
(
signal
,
node
,
acc
);
}
/*
* Set handle to point to new node. Uses the pre-allocated node.
*/
void
Dbtux
::
insertNode
(
Signal
*
signal
,
NodeHandle
&
node
,
AccSize
acc
)
Dbtux
::
insertNode
(
Signal
*
signal
,
NodeHandle
&
node
)
{
Frag
&
frag
=
node
.
m_frag
;
TupLoc
loc
=
frag
.
m_freeLoc
;
frag
.
m_freeLoc
=
NullTupLoc
;
selectNode
(
signal
,
node
,
loc
,
acc
);
selectNode
(
signal
,
node
,
loc
);
new
(
node
.
m_node
)
TreeNode
();
#ifdef VM_TRACE
TreeHead
&
tree
=
frag
.
m_tree
;
...
...
ndb/src/kernel/blocks/dbtux/DbtuxScan.cpp
View file @
f4ce3ec1
...
...
@@ -275,7 +275,7 @@ Dbtux::execNEXT_SCANREQ(Signal* signal)
jam
();
const
TupLoc
loc
=
scan
.
m_scanPos
.
m_loc
;
NodeHandle
node
(
frag
);
selectNode
(
signal
,
node
,
loc
,
AccHead
);
selectNode
(
signal
,
node
,
loc
);
unlinkScan
(
node
,
scanPtr
);
scan
.
m_scanPos
.
m_loc
=
NullTupLoc
;
}
...
...
@@ -350,7 +350,7 @@ Dbtux::execACC_CHECK_SCAN(Signal* signal)
if
(
scan
.
m_lockwait
)
{
jam
();
// LQH asks if we are waiting for lock and we tell it to ask again
const
TreeEnt
ent
=
scan
.
m_scan
Pos
.
m_e
nt
;
const
TreeEnt
ent
=
scan
.
m_scan
E
nt
;
NextScanConf
*
const
conf
=
(
NextScanConf
*
)
signal
->
getDataPtrSend
();
conf
->
scanPtr
=
scan
.
m_userPtr
;
conf
->
accOperationPtr
=
RNIL
;
// no tuple returned
...
...
@@ -385,7 +385,7 @@ Dbtux::execACC_CHECK_SCAN(Signal* signal)
ndbrequire
(
scan
.
m_accLockOp
==
RNIL
);
if
(
!
scan
.
m_readCommitted
)
{
jam
();
const
TreeEnt
ent
=
scan
.
m_scan
Pos
.
m_e
nt
;
const
TreeEnt
ent
=
scan
.
m_scan
E
nt
;
// read tuple key
readTablePk
(
frag
,
ent
,
pkData
,
pkSize
);
// get read lock or exclusive lock
...
...
@@ -473,7 +473,7 @@ Dbtux::execACC_CHECK_SCAN(Signal* signal)
// we have lock or do not need one
jam
();
// read keys if not already done (uses signal)
const
TreeEnt
ent
=
scan
.
m_scan
Pos
.
m_e
nt
;
const
TreeEnt
ent
=
scan
.
m_scan
E
nt
;
if
(
scan
.
m_keyInfo
)
{
jam
();
if
(
pkSize
==
0
)
{
...
...
@@ -536,8 +536,6 @@ Dbtux::execACC_CHECK_SCAN(Signal* signal)
total
+=
length
;
}
}
// remember last entry returned
scan
.
m_lastEnt
=
ent
;
// next time look for next entry
scan
.
m_state
=
ScanOp
::
Next
;
return
;
...
...
@@ -712,20 +710,21 @@ Dbtux::scanFirst(Signal* signal, ScanOpPtr scanPtr)
scan
.
m_state
=
ScanOp
::
Next
;
// link the scan to node found
NodeHandle
node
(
frag
);
selectNode
(
signal
,
node
,
treePos
.
m_loc
,
AccFull
);
selectNode
(
signal
,
node
,
treePos
.
m_loc
);
linkScan
(
node
,
scanPtr
);
}
/*
* Move to next entry. The scan is already linked to some node. When
* we leave, if any entry was found, it will be linked to a possibly
* different node. The scan has a direction, one of:
* different node. The scan has a position, and a direction which tells
* from where we came to this position. This is one of:
*
* 0 -
coming up from left child
* 1 -
coming up from right child (proceed to parent immediately
)
* 2 -
coming
up from root (the scan ends)
* 3 - left to right within node
* 4 -
coming down from parent to left or right child
* 0 -
up from left child (scan this node next)
* 1 -
up from right child (proceed to parent
)
* 2 - up from root (the scan ends)
* 3 - left to right within node
(at end proceed to right child)
* 4 -
down from parent (proceed to left child)
*/
void
Dbtux
::
scanNext
(
Signal
*
signal
,
ScanOpPtr
scanPtr
)
...
...
@@ -768,10 +767,12 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
TreePos
pos
=
scan
.
m_scanPos
;
// get and remember original node
NodeHandle
origNode
(
frag
);
selectNode
(
signal
,
origNode
,
pos
.
m_loc
,
AccHead
);
selectNode
(
signal
,
origNode
,
pos
.
m_loc
);
ndbrequire
(
islinkScan
(
origNode
,
scanPtr
));
// current node in loop
NodeHandle
node
=
origNode
;
// copy of entry found
TreeEnt
ent
;
while
(
true
)
{
jam
();
if
(
pos
.
m_dir
==
2
)
{
...
...
@@ -783,7 +784,7 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
}
if
(
node
.
m_loc
!=
pos
.
m_loc
)
{
jam
();
selectNode
(
signal
,
node
,
pos
.
m_loc
,
AccHead
);
selectNode
(
signal
,
node
,
pos
.
m_loc
);
}
if
(
pos
.
m_dir
==
4
)
{
// coming down from parent proceed to left child
...
...
@@ -799,7 +800,7 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
pos
.
m_dir
=
0
;
}
if
(
pos
.
m_dir
==
0
)
{
// coming from left child scan current node
// coming
up
from left child scan current node
jam
();
pos
.
m_pos
=
0
;
pos
.
m_match
=
false
;
...
...
@@ -810,8 +811,6 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
jam
();
unsigned
occup
=
node
.
getOccup
();
ndbrequire
(
occup
>=
1
);
// access full node
accessNode
(
signal
,
node
,
AccFull
);
// advance position
if
(
!
pos
.
m_match
)
pos
.
m_match
=
true
;
...
...
@@ -819,10 +818,10 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
pos
.
m_pos
++
;
if
(
pos
.
m_pos
<
occup
)
{
jam
();
pos
.
m_
ent
=
node
.
getEnt
(
pos
.
m_pos
);
ent
=
node
.
getEnt
(
pos
.
m_pos
);
pos
.
m_dir
=
3
;
// unchanged
// read and compare all attributes
readKeyAttrs
(
frag
,
pos
.
m_
ent
,
0
,
c_entryKey
);
readKeyAttrs
(
frag
,
ent
,
0
,
c_entryKey
);
int
ret
=
cmpScanBound
(
frag
,
1
,
c_dataBuffer
,
scan
.
m_boundCnt
[
1
],
c_entryKey
);
ndbrequire
(
ret
!=
NdbSqlUtil
::
CmpUnknown
);
if
(
ret
<
0
)
{
...
...
@@ -833,7 +832,7 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
break
;
}
// can we see it
if
(
!
scanVisible
(
signal
,
scanPtr
,
pos
.
m_
ent
))
{
if
(
!
scanVisible
(
signal
,
scanPtr
,
ent
))
{
jam
();
continue
;
}
...
...
@@ -853,7 +852,7 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
pos
.
m_dir
=
1
;
}
if
(
pos
.
m_dir
==
1
)
{
// coming from right child proceed to parent
// coming
up
from right child proceed to parent
jam
();
pos
.
m_loc
=
node
.
getLink
(
2
);
pos
.
m_dir
=
node
.
getSide
();
...
...
@@ -871,6 +870,8 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
unlinkScan
(
origNode
,
scanPtr
);
linkScan
(
node
,
scanPtr
);
}
// copy found entry
scan
.
m_scanEnt
=
ent
;
}
else
if
(
scan
.
m_state
==
ScanOp
::
Last
)
{
jam
();
ndbrequire
(
pos
.
m_loc
==
NullTupLoc
);
...
...
@@ -888,7 +889,7 @@ Dbtux::scanNext(Signal* signal, ScanOpPtr scanPtr)
/*
* Check if an entry is visible to the scan.
*
* There is a special check to never
return
same tuple twice in a row.
* There is a special check to never
accept
same tuple twice in a row.
* This is faster than asking TUP. It also fixes some special cases
* which are not analyzed or handled yet.
*/
...
...
@@ -903,8 +904,8 @@ Dbtux::scanVisible(Signal* signal, ScanOpPtr scanPtr, TreeEnt ent)
Uint32
tupAddr
=
getTupAddr
(
frag
,
ent
);
Uint32
tupVersion
=
ent
.
m_tupVersion
;
// check for same tuple twice in row
if
(
scan
.
m_
last
Ent
.
m_tupLoc
==
ent
.
m_tupLoc
&&
scan
.
m_
last
Ent
.
m_fragBit
==
fragBit
)
{
if
(
scan
.
m_
scan
Ent
.
m_tupLoc
==
ent
.
m_tupLoc
&&
scan
.
m_
scan
Ent
.
m_fragBit
==
fragBit
)
{
jam
();
return
false
;
}
...
...
ndb/src/kernel/blocks/dbtux/DbtuxSearch.cpp
View file @
f4ce3ec1
...
...
@@ -46,7 +46,7 @@ Dbtux::searchToAdd(Signal* signal, Frag& frag, ConstData searchKey, TreeEnt sear
NodeHandle
bottomNode
(
frag
);
while
(
true
)
{
jam
();
selectNode
(
signal
,
currNode
,
currNode
.
m_loc
,
AccPref
);
selectNode
(
signal
,
currNode
,
currNode
.
m_loc
);
int
ret
;
// compare prefix
unsigned
start
=
0
;
...
...
@@ -100,8 +100,6 @@ Dbtux::searchToAdd(Signal* signal, Frag& frag, ConstData searchKey, TreeEnt sear
}
break
;
}
// access rest of current node
accessNode
(
signal
,
currNode
,
AccFull
);
// anticipate
treePos
.
m_loc
=
currNode
.
m_loc
;
// binary search
...
...
@@ -184,7 +182,7 @@ Dbtux::searchToRemove(Signal* signal, Frag& frag, ConstData searchKey, TreeEnt s
NodeHandle
glbNode
(
frag
);
// potential g.l.b of final node
while
(
true
)
{
jam
();
selectNode
(
signal
,
currNode
,
currNode
.
m_loc
,
AccPref
);
selectNode
(
signal
,
currNode
,
currNode
.
m_loc
);
int
ret
;
// compare prefix
unsigned
start
=
0
;
...
...
@@ -235,8 +233,6 @@ Dbtux::searchToRemove(Signal* signal, Frag& frag, ConstData searchKey, TreeEnt s
}
break
;
}
// access rest of current node
accessNode
(
signal
,
currNode
,
AccFull
);
// anticipate
treePos
.
m_loc
=
currNode
.
m_loc
;
// pos 0 was handled above
...
...
@@ -275,7 +271,7 @@ Dbtux::searchToScan(Signal* signal, Frag& frag, ConstData boundInfo, unsigned bo
NodeHandle
bottomNode
(
frag
);
while
(
true
)
{
jam
();
selectNode
(
signal
,
currNode
,
currNode
.
m_loc
,
AccPref
);
selectNode
(
signal
,
currNode
,
currNode
.
m_loc
);
int
ret
;
// compare prefix
ret
=
cmpScanBound
(
frag
,
0
,
boundInfo
,
boundCount
,
currNode
.
getPref
(),
tree
.
m_prefSize
);
...
...
@@ -324,8 +320,6 @@ Dbtux::searchToScan(Signal* signal, Frag& frag, ConstData boundInfo, unsigned bo
}
break
;
}
// access rest of current node
accessNode
(
signal
,
currNode
,
AccFull
);
for
(
unsigned
j
=
0
,
occup
=
currNode
.
getOccup
();
j
<
occup
;
j
++
)
{
jam
();
int
ret
;
...
...
ndb/src/kernel/blocks/dbtux/DbtuxTree.cpp
View file @
f4ce3ec1
...
...
@@ -29,14 +29,13 @@ Dbtux::treeAdd(Signal* signal, Frag& frag, TreePos treePos, TreeEnt ent)
// check for empty tree
if
(
treePos
.
m_loc
==
NullTupLoc
)
{
jam
();
insertNode
(
signal
,
node
,
AccPref
);
insertNode
(
signal
,
node
);
nodePushUp
(
signal
,
node
,
0
,
ent
);
node
.
setSide
(
2
);
tree
.
m_root
=
node
.
m_loc
;
return
;
}
// access full node
selectNode
(
signal
,
node
,
treePos
.
m_loc
,
AccFull
);
selectNode
(
signal
,
node
,
treePos
.
m_loc
);
// check if it is bounding node
if
(
pos
!=
0
&&
pos
!=
node
.
getOccup
())
{
jam
();
...
...
@@ -59,11 +58,9 @@ Dbtux::treeAdd(Signal* signal, Frag& frag, TreePos treePos, TreeEnt ent)
// find glb node
while
(
childLoc
!=
NullTupLoc
)
{
jam
();
selectNode
(
signal
,
node
,
childLoc
,
AccHead
);
selectNode
(
signal
,
node
,
childLoc
);
childLoc
=
node
.
getLink
(
1
);
}
// access full node again
accessNode
(
signal
,
node
,
AccFull
);
pos
=
node
.
getOccup
();
}
// fall thru to next case
...
...
@@ -79,7 +76,7 @@ Dbtux::treeAdd(Signal* signal, Frag& frag, TreePos treePos, TreeEnt ent)
}
// add a new node
NodeHandle
childNode
(
frag
);
insertNode
(
signal
,
childNode
,
AccPref
);
insertNode
(
signal
,
childNode
);
nodePushUp
(
signal
,
childNode
,
0
,
ent
);
// connect parent and child
node
.
setLink
(
i
,
childNode
.
m_loc
);
...
...
@@ -105,7 +102,7 @@ Dbtux::treeAdd(Signal* signal, Frag& frag, TreePos treePos, TreeEnt ent)
// height of longer subtree increased
jam
();
NodeHandle
childNode
(
frag
);
selectNode
(
signal
,
childNode
,
node
.
getLink
(
i
)
,
AccHead
);
selectNode
(
signal
,
childNode
,
node
.
getLink
(
i
));
int
b2
=
childNode
.
getBalance
();
if
(
b2
==
b
)
{
jam
();
...
...
@@ -129,7 +126,7 @@ Dbtux::treeAdd(Signal* signal, Frag& frag, TreePos treePos, TreeEnt ent)
break
;
}
i
=
node
.
getSide
();
selectNode
(
signal
,
node
,
parentLoc
,
AccHead
);
selectNode
(
signal
,
node
,
parentLoc
);
}
}
...
...
@@ -142,8 +139,7 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
TreeHead
&
tree
=
frag
.
m_tree
;
unsigned
pos
=
treePos
.
m_pos
;
NodeHandle
node
(
frag
);
// access full node
selectNode
(
signal
,
node
,
treePos
.
m_loc
,
AccFull
);
selectNode
(
signal
,
node
,
treePos
.
m_loc
);
TreeEnt
ent
;
// check interior node first
if
(
node
.
getChilds
()
==
2
)
{
...
...
@@ -161,11 +157,9 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
TupLoc
childLoc
=
node
.
getLink
(
0
);
while
(
childLoc
!=
NullTupLoc
)
{
jam
();
selectNode
(
signal
,
node
,
childLoc
,
AccHead
);
selectNode
(
signal
,
node
,
childLoc
);
childLoc
=
node
.
getLink
(
1
);
}
// access full node again
accessNode
(
signal
,
node
,
AccFull
);
// use glb max as new parent min
ent
=
node
.
getEnt
(
node
.
getOccup
()
-
1
);
nodePopUp
(
signal
,
parentNode
,
pos
,
ent
);
...
...
@@ -183,7 +177,7 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
TupLoc
childLoc
=
node
.
getLink
(
i
);
if
(
childLoc
!=
NullTupLoc
)
{
// move to child
selectNode
(
signal
,
node
,
childLoc
,
AccFull
);
selectNode
(
signal
,
node
,
childLoc
);
// balance of half-leaf parent requires child to be leaf
break
;
}
...
...
@@ -196,7 +190,7 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
// move all that fits into parent
if
(
parentLoc
!=
NullTupLoc
)
{
jam
();
selectNode
(
signal
,
parentNode
,
node
.
getLink
(
2
)
,
AccFull
);
selectNode
(
signal
,
parentNode
,
node
.
getLink
(
2
));
nodeSlide
(
signal
,
parentNode
,
node
,
i
);
// fall thru to next case
}
...
...
@@ -222,7 +216,7 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
// move entries from the other child
TupLoc
childLoc
=
node
.
getLink
(
1
-
i
);
NodeHandle
childNode
(
frag
);
selectNode
(
signal
,
childNode
,
childLoc
,
AccFull
);
selectNode
(
signal
,
childNode
,
childLoc
);
nodeSlide
(
signal
,
node
,
childNode
,
1
-
i
);
if
(
childNode
.
getOccup
()
==
0
)
{
jam
();
...
...
@@ -236,7 +230,7 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
}
// fix side and become parent
i
=
node
.
getSide
();
selectNode
(
signal
,
node
,
parentLoc
,
AccHead
);
selectNode
(
signal
,
node
,
parentLoc
);
}
}
#endif
...
...
@@ -261,7 +255,7 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
jam
();
// child on the other side
NodeHandle
childNode
(
frag
);
selectNode
(
signal
,
childNode
,
node
.
getLink
(
1
-
i
)
,
AccHead
);
selectNode
(
signal
,
childNode
,
node
.
getLink
(
1
-
i
));
int
b2
=
childNode
.
getBalance
();
if
(
b2
==
b
)
{
jam
();
...
...
@@ -287,7 +281,7 @@ Dbtux::treeRemove(Signal* signal, Frag& frag, TreePos treePos)
return
;
}
i
=
node
.
getSide
();
selectNode
(
signal
,
node
,
parentLoc
,
AccHead
);
selectNode
(
signal
,
node
,
parentLoc
);
}
}
...
...
@@ -331,7 +325,7 @@ Dbtux::treeRotateSingle(Signal* signal,
*/
TupLoc
loc3
=
node5
.
getLink
(
i
);
NodeHandle
node3
(
frag
);
selectNode
(
signal
,
node3
,
loc3
,
AccHead
);
selectNode
(
signal
,
node3
,
loc3
);
const
int
bal3
=
node3
.
getBalance
();
/*
2 must always be there but is not changed. Thus we mereley check that it
...
...
@@ -348,7 +342,7 @@ Dbtux::treeRotateSingle(Signal* signal,
NodeHandle
node4
(
frag
);
if
(
loc4
!=
NullTupLoc
)
{
jam
();
selectNode
(
signal
,
node4
,
loc4
,
AccHead
);
selectNode
(
signal
,
node4
,
loc4
);
ndbrequire
(
node4
.
getSide
()
==
(
1
-
i
)
&&
node4
.
getLink
(
2
)
==
loc3
);
node4
.
setSide
(
i
);
...
...
@@ -383,7 +377,7 @@ Dbtux::treeRotateSingle(Signal* signal,
if
(
loc0
!=
NullTupLoc
)
{
jam
();
NodeHandle
node0
(
frag
);
selectNode
(
signal
,
node0
,
loc0
,
AccHead
);
selectNode
(
signal
,
node0
,
loc0
);
node0
.
setLink
(
side5
,
loc3
);
}
else
{
jam
();
...
...
@@ -532,13 +526,13 @@ Dbtux::treeRotateDouble(Signal* signal, Frag& frag, NodeHandle& node, unsigned i
// level 1
TupLoc
loc2
=
node6
.
getLink
(
i
);
NodeHandle
node2
(
frag
);
selectNode
(
signal
,
node2
,
loc2
,
AccHead
);
selectNode
(
signal
,
node2
,
loc2
);
const
int
bal2
=
node2
.
getBalance
();
// level 2
TupLoc
loc4
=
node2
.
getLink
(
1
-
i
);
NodeHandle
node4
(
frag
);
selectNode
(
signal
,
node4
,
loc4
,
AccHead
);
selectNode
(
signal
,
node4
,
loc4
);
const
int
bal4
=
node4
.
getBalance
();
ndbrequire
(
i
<=
1
);
...
...
@@ -556,8 +550,6 @@ Dbtux::treeRotateDouble(Signal* signal, Frag& frag, NodeHandle& node, unsigned i
if
(
loc3
==
NullTupLoc
&&
loc5
==
NullTupLoc
)
{
jam
();
TreeHead
&
tree
=
frag
.
m_tree
;
accessNode
(
signal
,
node2
,
AccFull
);
accessNode
(
signal
,
node4
,
AccFull
);
nodeSlide
(
signal
,
node4
,
node2
,
i
);
// implied by rule of merging half-leaves with leaves
ndbrequire
(
node4
.
getOccup
()
>=
tree
.
m_minOccup
);
...
...
@@ -566,14 +558,14 @@ Dbtux::treeRotateDouble(Signal* signal, Frag& frag, NodeHandle& node, unsigned i
if
(
loc3
!=
NullTupLoc
)
{
jam
();
NodeHandle
node3
(
frag
);
selectNode
(
signal
,
node3
,
loc3
,
AccHead
);
selectNode
(
signal
,
node3
,
loc3
);
node3
.
setLink
(
2
,
loc2
);
node3
.
setSide
(
1
-
i
);
}
if
(
loc5
!=
NullTupLoc
)
{
jam
();
NodeHandle
node5
(
frag
);
selectNode
(
signal
,
node5
,
loc5
,
AccHead
);
selectNode
(
signal
,
node5
,
loc5
);
node5
.
setLink
(
2
,
node6
.
m_loc
);
node5
.
setSide
(
i
);
}
...
...
@@ -596,7 +588,7 @@ Dbtux::treeRotateDouble(Signal* signal, Frag& frag, NodeHandle& node, unsigned i
if
(
loc0
!=
NullTupLoc
)
{
jam
();
selectNode
(
signal
,
node0
,
loc0
,
AccHead
);
selectNode
(
signal
,
node0
,
loc0
);
node0
.
setLink
(
side6
,
loc4
);
}
else
{
jam
();
...
...
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