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Kirill Smelkov
mariadb
Commits
f14ab8b5
Commit
f14ab8b5
authored
Dec 28, 2004
by
joreland@mysql.com
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Merge joreland@bk-internal.mysql.com:/home/bk/mysql-5.0-ndb
into mysql.com:/home/jonas/src/mysql-5.0-docs
parents
6d76317a
e4d72dfa
Changes
7
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7 changed files
with
471 additions
and
515 deletions
+471
-515
ndb/include/ndbapi/Ndb.hpp
ndb/include/ndbapi/Ndb.hpp
+428
-399
ndb/include/ndbapi/NdbIndexScanOperation.hpp
ndb/include/ndbapi/NdbIndexScanOperation.hpp
+13
-17
ndb/include/ndbapi/NdbOperation.hpp
ndb/include/ndbapi/NdbOperation.hpp
+9
-16
ndb/include/ndbapi/NdbRecAttr.hpp
ndb/include/ndbapi/NdbRecAttr.hpp
+2
-0
ndb/include/ndbapi/NdbScanOperation.hpp
ndb/include/ndbapi/NdbScanOperation.hpp
+15
-39
ndb/include/ndbapi/NdbTransaction.hpp
ndb/include/ndbapi/NdbTransaction.hpp
+4
-18
ndb/src/ndbapi/NdbOperationSearch.cpp
ndb/src/ndbapi/NdbOperationSearch.cpp
+0
-26
No files found.
ndb/include/ndbapi/Ndb.hpp
View file @
f14ab8b5
This diff is collapsed.
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ndb/include/ndbapi/NdbIndexScanOperation.hpp
View file @
f14ab8b5
...
...
@@ -34,16 +34,15 @@ class NdbIndexScanOperation : public NdbScanOperation {
public:
/**
* readTuples returns a NdbResultSet where tuples are stored.
* Tuples are not stored in NdbResultSet until execute(NoCommit)
* has been executed and nextResult has been called.
* readTuples using ordered index
*
* @param
parallel Scan parallelism
* @param
lock_mode Lock mode
* @param batch No of rows to fetch from each fragment at a time
* @param
LockMode Scan lock handling
* @param
parallel No of fragments to scan in parallel
* @param order_by Order result set in index order
* @param order_desc Order descending, ignored unless order_by
* @returns NdbResultSet.
* @param order_desc Order descending, ignored unless order_by
* @param read_range_no Enable reading of range no using @ref get_range_no
* @returns 0 for success and -1 for failure
* @see NdbScanOperation::readTuples
*/
int
readTuples
(
LockMode
=
LM_Read
,
...
...
@@ -53,16 +52,6 @@ public:
bool
order_desc
=
false
,
bool
read_range_no
=
false
);
#ifndef DOXYGEN_SHOULD_SKIP_DEPRECATED
inline
int
readTuples
(
int
parallell
){
return
readTuples
(
LM_Read
,
0
,
parallell
,
false
);
}
inline
int
readTuplesExclusive
(
int
parallell
=
0
){
return
readTuples
(
LM_Exclusive
,
0
,
parallell
,
false
);
}
#endif
/**
* Type of ordered index key bound. The values (0-4) will not change
* and can be used explicitly (e.g. they could be computed).
...
...
@@ -134,7 +123,14 @@ public:
*/
int
get_range_no
();
/**
* Is current scan sorted
*/
bool
getSorted
()
const
{
return
m_ordered
;
}
/**
* Is current scan sorted descending
*/
bool
getDescending
()
const
{
return
m_descending
;
}
private:
NdbIndexScanOperation
(
Ndb
*
aNdb
);
...
...
ndb/include/ndbapi/NdbOperation.hpp
View file @
f14ab8b5
...
...
@@ -265,21 +265,6 @@ public:
int
equal
(
Uint32
anAttrId
,
Int64
aValue
);
int
equal
(
Uint32
anAttrId
,
Uint64
aValue
);
/**
* Generate a tuple id and set it as search argument.
*
* The Tuple id has NDB$TID as attribute name and 0 as attribute id.
*
* The generated tuple id is returned by the method.
* If zero is returned there is an error.
*
* This is mostly used for tables without any primary key
* attributes.
*
* @return Generated tuple id if successful, otherwise 0.
*/
Uint64
setTupleId
();
/** @} *********************************************************************/
/**
* @name Specify Attribute Actions for Operations
...
...
@@ -708,6 +693,7 @@ public:
/** @} *********************************************************************/
#ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
/**
* Type of operation
*/
...
...
@@ -723,11 +709,16 @@ public:
NotDefined2
,
///< Internal for debugging
NotDefined
///< Internal for debugging
};
#endif
/**
* Return lock mode for operation
*/
LockMode
getLockMode
()
const
{
return
theLockMode
;
}
void
setAbortOption
(
Int8
ao
)
{
m_abortOption
=
ao
;
}
#ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
void
setAbortOption
(
Int8
ao
)
{
m_abortOption
=
ao
;
}
/**
* Set/get distribution/partition key
*/
...
...
@@ -758,8 +749,10 @@ protected:
void
next
(
NdbOperation
*
);
// Set next pointer
NdbOperation
*
next
();
// Get next pointer
public:
#ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
const
NdbOperation
*
next
()
const
;
const
NdbRecAttr
*
getFirstRecAttr
()
const
;
#endif
protected:
enum
OperationStatus
...
...
ndb/include/ndbapi/NdbRecAttr.hpp
View file @
f14ab8b5
...
...
@@ -245,7 +245,9 @@ public:
~
NdbRecAttr
();
public:
#ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
const
NdbRecAttr
*
next
()
const
;
#endif
private:
NdbRecAttr
();
...
...
ndb/include/ndbapi/NdbScanOperation.hpp
View file @
f14ab8b5
...
...
@@ -37,16 +37,14 @@ class NdbScanOperation : public NdbOperation {
public:
/**
* readTuples returns a NdbResultSet where tuples are stored.
* Tuples are not stored in NdbResultSet until execute(NoCommit)
* has been executed and nextResult has been called.
* readTuples
*
* @param
parallel Scan parallelism
* @param
lock_mode Lock mode
* @param batch No of rows to fetch from each fragment at a time
* @param
LockMode Scan lock handling
* @param
parallel No of fragments to scan in parallell
* @note specifying 0 for batch and parallall means max performance
*/
int
readTuples
(
LockMode
=
LM_Read
,
int
readTuples
(
LockMode
lock_mode
=
LM_Read
,
Uint32
batch
=
0
,
Uint32
parallel
=
0
);
#ifndef DOXYGEN_SHOULD_SKIP_DEPRECATED
...
...
@@ -67,7 +65,7 @@ public:
/**
* Get the next tuple in a scan transaction.
*
* After each call to
NdbResult::
nextResult
* After each call to nextResult
* the buffers and NdbRecAttr objects defined in
* NdbOperation::getValue are updated with values
* from the scanned tuple.
...
...
@@ -114,53 +112,31 @@ public:
int
nextResult
(
bool
fetchAllowed
=
true
,
bool
forceSend
=
false
);
/**
* Close
result set (scan)
* Close
scan
*/
void
close
(
bool
forceSend
=
false
);
/**
* Restart
*/
int
restart
(
bool
forceSend
=
false
);
/**
* Transfer scan operation to an updating transaction. Use this function
* when a scan has found a record that you want to update.
* 1. Start a new transaction.
* 2. Call the function takeOverForUpdate using your new transaction
* as parameter, all the properties of the found record will be copied
* to the new transaction.
* 3. When you execute the new transaction, the lock held by the scan will
* be transferred to the new transaction(it's taken over).
*
* @note You must have started the scan with openScanExclusive
* to be able to update the found tuple.
* Update current tuple
*
* @param updateTrans the update transaction connection.
* @return an NdbOperation or NULL.
*/
NdbOperation
*
updateCurrentTuple
();
NdbOperation
*
updateCurrentTuple
(
NdbTransaction
*
updateTrans
);
/**
* Transfer scan operation to a deleting transaction. Use this function
* when a scan has found a record that you want to delete.
* 1. Start a new transaction.
* 2. Call the function takeOverForDelete using your new transaction
* as parameter, all the properties of the found record will be copied
* to the new transaction.
* 3. When you execute the new transaction, the lock held by the scan will
* be transferred to the new transaction(its taken over).
*
* @note You must have started the scan with openScanExclusive
* to be able to delete the found tuple.
*
* @param deleteTrans the delete transaction connection.
* @return an NdbOperation or NULL.
* Delete current tuple
* @return 0 on success or -1 on failure
*/
int
deleteCurrentTuple
();
int
deleteCurrentTuple
(
NdbTransaction
*
takeOverTransaction
);
/**
* Restart scan with exactly the same
* getValues and search conditions
*/
int
restart
(
bool
forceSend
=
false
);
protected:
NdbScanOperation
(
Ndb
*
aNdb
);
virtual
~
NdbScanOperation
();
...
...
ndb/include/ndbapi/NdbTransaction.hpp
View file @
f14ab8b5
...
...
@@ -110,23 +110,6 @@ enum ExecType {
* -# AbortOption::IgnoreError
* Continue execution of transaction even if operation fails
*
* NdbTransaction::execute can sometimes indicate an error
* (return with -1) while the error code on the NdbTransaction is 0.
* This is an indication that one of the operations found a record
* problem. The transaction is still ok and can continue as usual.
* The NdbTransaction::execute returns -1 together with error code
* on NdbTransaction object equal to 0 always means that an
* operation was not successful but that the total transaction was OK.
* By checking error codes on the individual operations it is possible
* to find out which operation was not successful.
*
* NdbTransaction::executeScan is used to setup a scan in the NDB kernel
* after it has been defined.
* NdbTransaction::nextScanResult is used to iterate through the
* scanned tuples.
* After each call to NdbTransaction::nextScanResult, the pointers
* of NdbRecAttr objects defined in the NdbOperation::getValue
* operations are updated with the values of the new the scanned tuple.
*/
/* FUTURE IMPLEMENTATION:
...
...
@@ -376,6 +359,7 @@ public:
#endif
void
close
();
#ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
/**
* Restart transaction
*
...
...
@@ -385,6 +369,7 @@ public:
* Note this method also releases completed operations
*/
int
restart
();
#endif
/** @} *********************************************************************/
...
...
@@ -494,7 +479,7 @@ public:
*/
const
NdbOperation
*
getNextCompletedOperation
(
const
NdbOperation
*
op
)
const
;
#ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
const
NdbOperation
*
getFirstDefinedOperation
()
const
{
return
theFirstOpInList
;}
const
NdbOperation
*
getLastDefinedOperation
()
const
{
return
theLastOpInList
;}
...
...
@@ -508,6 +493,7 @@ public:
* ops are used (read, insert, update, delete).
*/
int
executePendingBlobOps
(
Uint8
flags
=
0xFF
);
#endif
private:
/**
...
...
ndb/src/ndbapi/NdbOperationSearch.cpp
View file @
f14ab8b5
...
...
@@ -300,32 +300,6 @@ NdbOperation::equal_impl(const NdbColumnImpl* tAttrInfo,
return
-
1
;
}
/******************************************************************************
* Uint64 setTupleId( void )
*
* Return Value: Return > 0: OK
* Return 0 : setTupleId failed
* Parameters:
* Remark:
*****************************************************************************/
Uint64
NdbOperation
::
setTupleId
()
{
if
(
theStatus
!=
OperationDefined
)
{
return
0
;
}
Uint64
tTupleId
=
theNdb
->
getTupleIdFromNdb
(
m_currentTable
->
m_tableId
);
if
(
tTupleId
==
~
(
Uint64
)
0
){
setErrorCodeAbort
(
theNdb
->
theError
.
code
);
return
0
;
}
if
(
equal
((
Uint32
)
0
,
tTupleId
)
==
-
1
)
return
0
;
return
tTupleId
;
}
/******************************************************************************
* int insertKEYINFO(const char* aValue, aStartPosition,
* anAttrSizeInWords, Uint32 anAttrBitsInLastWord);
...
...
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