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ndb make updates

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This commit is contained in:
tomas@poseidon.ndb.mysql.com
2004-06-03 18:25:46 +00:00
parent 22e39a53a9
commit d4960b81ac
56 changed files with 465 additions and 56 deletions
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115
ndb/tools/select_count.cpp
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@@ -26,6 +26,12 @@
#include <getarg.h>
#include <UtilTransactions.hpp>
static int
select_count(Ndb* pNdb, const NdbDictionary::Table* pTab,
int parallelism,
int* count_rows,
UtilTransactions::ScanLock lock,
NdbConnection* pBuddyTrans=0);
int main(int argc, const char** argv){
const char* _dbname = "TEST_DB";
@@ -75,9 +81,8 @@ int main(int argc, const char** argv){
}
int rows = 0;
UtilTransactions utilTrans(*pTab);
if (utilTrans.selectCount(&MyNdb, _parallelism, &rows,
(UtilTransactions::ScanLock)_lock) != 0){
if (select_count(&MyNdb, pTab, _parallelism, &rows,
(UtilTransactions::ScanLock)_lock) != 0){
return NDBT_ProgramExit(NDBT_FAILED);
}
@@ -86,5 +91,109 @@ int main(int argc, const char** argv){
return NDBT_ProgramExit(NDBT_OK);
}
int
select_count(Ndb* pNdb, const NdbDictionary::Table* pTab,
int parallelism,
int* count_rows,
UtilTransactions::ScanLock lock,
NdbConnection* pBuddyTrans){
int retryAttempt = 0;
const int retryMax = 100;
int check;
NdbConnection *pTrans;
NdbOperation *pOp;
while (true){
if (retryAttempt >= retryMax){
g_info << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << endl;
return NDBT_FAILED;
}
pTrans = pNdb->hupp(pBuddyTrans);
if (pTrans == NULL) {
const NdbError err = pNdb->getNdbError();
if (err.status == NdbError::TemporaryError){
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
return NDBT_FAILED;
}
pOp = pTrans->getNdbOperation(pTab->getName());
if (pOp == NULL) {
ERR(pTrans->getNdbError());
pNdb->closeTransaction(pTrans);
return NDBT_FAILED;
}
switch(lock){
case UtilTransactions::SL_ReadHold:
check = pOp->openScanReadHoldLock(parallelism);
break;
case UtilTransactions::SL_Exclusive:
check = pOp->openScanExclusive(parallelism);
break;
case UtilTransactions::SL_Read:
default:
check = pOp->openScanRead(parallelism);
}
if( check == -1 ) {
ERR(pTrans->getNdbError());
pNdb->closeTransaction(pTrans);
return NDBT_FAILED;
}
check = pOp->interpret_exit_ok();
if( check == -1 ) {
ERR(pTrans->getNdbError());
pNdb->closeTransaction(pTrans);
return NDBT_FAILED;
}
check = pTrans->executeScan();
if( check == -1 ) {
ERR(pTrans->getNdbError());
pNdb->closeTransaction(pTrans);
return NDBT_FAILED;
}
int eof;
int rows = 0;
eof = pTrans->nextScanResult();
while(eof == 0){
rows++;
eof = pTrans->nextScanResult();
}
if (eof == -1) {
const NdbError err = pTrans->getNdbError();
if (err.status == NdbError::TemporaryError){
pNdb->closeTransaction(pTrans);
NdbSleep_MilliSleep(50);
retryAttempt++;
continue;
}
ERR(err);
pNdb->closeTransaction(pTrans);
return NDBT_FAILED;
}
pNdb->closeTransaction(pTrans);
if (count_rows != NULL){
*count_rows = rows;
}
return NDBT_OK;
}
return NDBT_FAILED;
}