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Code Activity

wl1504 - scan using distribution key and EQ_BOUND

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ndb/include/kernel/signaldata/ScanTab.hpp:
  Add distribution key to ScanTab to enable scanning of specific fragment
ndb/include/ndbapi/NdbOperation.hpp:
  New methods for controlling distribution/partitioning
ndb/include/ndbapi/NdbScanOperation.hpp:
  New methods for controlling distribution/partitioning
ndb/src/kernel/blocks/dbdih/DbdihMain.cpp:
  Don't mask away kvalue from hash while computing fragId
ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  Add distribution key to ScanTab to enable scanning of specific fragment
ndb/src/ndbapi/NdbBlob.cpp:
  removed m_sizeOfKeysInWords which was the same a m_keyLenInWords
ndb/src/ndbapi/NdbConnection.cpp:
  removed explicit cast
ndb/src/ndbapi/NdbDictionaryImpl.cpp:
  removed m_sizeOfKeysInWords which was the same a m_keyLenInWords
ndb/src/ndbapi/NdbDictionaryImpl.hpp:
  removed m_sizeOfKeysInWords which was the same a m_keyLenInWords
ndb/src/ndbapi/NdbIndexOperation.cpp:
  removed theFirstKEYINFO and replaced that with theTCREQ->next
ndb/src/ndbapi/NdbOperation.cpp:
  removed theFirstKEYINFO and replaced that with theTCREQ->next
ndb/src/ndbapi/NdbOperationExec.cpp:
  removed theFirstKEYINFO and replaced that with theTCREQ->next
ndb/src/ndbapi/NdbOperationSearch.cpp:
  removed theFirstKEYINFO and replaced that with theTCREQ->next
  Enable partition scan
ndb/src/ndbapi/NdbScanOperation.cpp:
  removed theFirstKEYINFO and replaced that with theTCREQ->next
  Enable partition scan
This commit is contained in:
unknown
2004-11-01 23:23:26 +01:00
parent 82b968efc2
commit 9b55605460
14 changed files with 347 additions and 211 deletions
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24
ndb/include/kernel/signaldata/ScanTab.hpp
View File

@@ -65,7 +65,12 @@ private:
UintR buddyConPtr; // DATA 8
UintR batch_byte_size; // DATA 9
UintR first_batch_size; // DATA 10
/**
* Optional
*/
Uint32 distributionKey;
/**
* Get:ers for requestInfo
*/
@@ -76,6 +81,7 @@ private:
static Uint8 getRangeScanFlag(const UintR & requestInfo);
static Uint8 getKeyinfoFlag(const UintR & requestInfo);
static Uint16 getScanBatch(const UintR & requestInfo);
static Uint8 getDistributionKeyFlag(const UintR & requestInfo);
/**
* Set:ers for requestInfo
@@ -88,6 +94,7 @@ private:
static void setRangeScanFlag(UintR & requestInfo, Uint32 flag);
static void setKeyinfoFlag(UintR & requestInfo, Uint32 flag);
static void setScanBatch(Uint32& requestInfo, Uint32 sz);
static void setDistributionKeyFlag(Uint32& requestInfo, Uint32 flag);
};
/**
@@ -100,6 +107,7 @@ private:
k = Keyinfo - 1 Bit 12
x = Range Scan (TUX) - 1 Bit 15
b = Scan batch - 10 Bit 16-25 (max 1023)
d = Distribution key flag
1111111111222222222233
01234567890123456789012345678901
@@ -127,6 +135,8 @@ private:
#define SCAN_BATCH_SHIFT (16)
#define SCAN_BATCH_MASK (1023)
#define SCAN_DISTR_KEY_SHIFT (26)
inline
Uint8
ScanTabReq::getParallelism(const UintR & requestInfo){
@@ -225,6 +235,18 @@ ScanTabReq::setKeyinfoFlag(UintR & requestInfo, Uint32 flag){
requestInfo |= (flag << KEYINFO_SHIFT);
}
inline
Uint8
ScanTabReq::getDistributionKeyFlag(const UintR & requestInfo){
return (Uint8)((requestInfo >> SCAN_DISTR_KEY_SHIFT) & 1);
}
inline
void
ScanTabReq::setDistributionKeyFlag(UintR & requestInfo, Uint32 flag){
ASSERT_BOOL(flag, "ScanTabReq::setKeyinfoFlag");
requestInfo |= (flag << SCAN_DISTR_KEY_SHIFT);
}
/**
*