int Question2_5::run()
{
LinkedList* list1 = new LinkedList();
list1->insert(5);
list1->insert(3);
list1->insert(6);
LinkedList* list2 = new LinkedList();
list2->insert(2);
list2->insert(1);
list2->insert(6);
std::cout << listValue(list1->head) << " + " << listValue(list2->head) << " = ";
sumLinks(list1->head,list2->head);
std::cout << listValue(list1->head) << std::endl;
delete list1;
delete list2;
std::cout << std::endl;
LinkedList* list3 = new LinkedList();
list3->insert(7);
list3->insert(4);
list3->insert(2);
list3->insert(8);
list3->insert(9);
LinkedList* list4 = new LinkedList();
list4->insert(2);
list4->insert(6);
std::cout << listValue(list3->head) << " + " << listValue(list4->head) << " = ";
sumLinks(list3->head,list4->head);
std::cout << listValue(list3->head) << std::endl;
delete list3;
delete list4;
LinkedList* list5 = new LinkedList();
list5->insert(7);
list5->insert(4);
list5->insert(2);
list5->insert(8);
list5->insert(9);
LinkedList* list6 = new LinkedList();
list6->insert(2);
list6->insert(6);
std::cout << std::endl << "-- Now with lists that are originally in forward order --" << std::endl;
list5->head = reverse(list5->head);
list6->head = reverse(list6->head);
std::cout << listValue(list5->head) << " + " << listValue(list6->head) << " = ";
sumLinks(list5->head,list6->head);
std::cout << listValue(list5->head) << std::endl;
delete list5;
delete list6;
return 0;
}
QVariant Attribute::value()
{
if ( useRelationTable() ) {
// get the value from the relation table
QSqlQuery q;
QString query = "SELECT " + mStringCol +" FROM " + mTable + " WHERE " + mIdCol + "=:id";
q.prepare( query );
if ( listValue() ) {
QStringList idList = mValue.toStringList();
QStringList::Iterator it = idList.begin();
QStringList list;
while( it != idList.end() ) {
q.bindValue( ":id", *it );
q.exec();
while ( q.next() ) {
QString str = q.value( 0 ).toString();
list.append( str );
}
++it;
}
return QVariant( list );
} else {
q.bindValue( ":id", mValue.toString() );
q.exec();
if ( q.next() ) {
return QVariant( q.value( 0 ) );
}
}
}
return mValue;
}
void Attribute::setValue( const QVariant& var )
{
if ( useRelationTable() ) {
QSqlQuery q;
QString query = "SELECT " + mIdCol +" FROM " + mTable + " WHERE " + mStringCol + "=:string";
q.prepare( query );
// kDebug() << "Column: " << mIdCol << " | table " << mTable << " | string: " << mStringCol << ": " << query;
if ( listValue() ) {
QStringList idList;
QStringList list = var.toStringList();
for ( QStringList::Iterator valIt = list.begin(); valIt != list.end(); ++valIt ) {
QString curValue = *valIt;
// kDebug() << "Searching for " << curValue << " in relation table";
q.bindValue( ":string", curValue );
q.exec();
if ( q.next() ) {
idList << q.value( 0 ).toString();
}
}
mValue = QVariant( idList );
} else {
q.bindValue( ":string", var.toString() );
q.exec();
// kDebug() << "ERROR" << q.lastError().text();
if ( q.next() ) {
mValue = q.value( 0 );
}
}
} else {
mValue = var;
}
}
int
remove_gtmProxy(char *name, bool clean_opt)
{
FILE *f;
int idx;
/* Check if gtm proxy exists */
if ((idx = gtmProxyIdx(name)) < 0)
{
elog(ERROR, "ERROR: %s is not a gtm proxy.\n", name);
return 1;
}
/* Check if it is in use */
if (ifExists(VAR_coordMasterServers, aval(VAR_gtmProxyServers)[idx]) ||
ifExists(VAR_coordSlaveServers, aval(VAR_gtmProxyServers)[idx]) ||
ifExists(VAR_datanodeMasterServers, aval(VAR_gtmProxyServers)[idx]) ||
ifExists(VAR_datanodeSlaveServers, aval(VAR_gtmProxyServers)[idx]))
{
elog(ERROR, "ERROR: GTM Proxy %s is in use\n", name);
return 1;
}
elog(NOTICE, "NOTICE: removing gtm_proxy %s\n", name);
/* Clean */
if (clean_opt)
{
char **nodelist = NULL;
elog(NOTICE, "NOTICE: cleaning target resources.\n");
AddMember(nodelist, name);
clean_gtm_proxy(nodelist);
CleanArray(nodelist);
}
/* Reconfigure */
var_assign(&aval(VAR_gtmProxyNames)[idx], Strdup("none"));
var_assign(&aval(VAR_gtmProxyServers)[idx], Strdup("none"));
var_assign(&aval(VAR_gtmProxyPorts)[idx], Strdup("-1"));
var_assign(&aval(VAR_gtmProxyDirs)[idx], Strdup("none"));
handle_no_slaves();
makeServerList();
/* Update configuration file and backup it */
if ((f = fopen(pgxc_ctl_config_path, "a")) == NULL)
{
/* Should it be panic? */
elog(ERROR, "ERROR: cannot open configuration file \"%s\", %s\n", pgxc_ctl_config_path, strerror(errno));
return 1;
}
fprintf(f,
"#===================================================\n"
"# pgxc configuration file updated due to GTM proxy addition\n"
"# %s\n"
"%s=%s\n" /* gtmProxy */
"%s=( %s )\n" /* gtmProxyNames */
"%s=( %s )\n" /* gtmProxyServers */
"%s=( %s )\n" /* gtmProxyPorts */
"%s=( %s )\n" /* gtmProxyDirs */
"#----End of reconfiguration -------------------------\n",
timeStampString(date, MAXTOKEN+1),
VAR_gtmProxy, sval(VAR_gtmProxy),
VAR_gtmProxyNames, listValue(VAR_gtmProxyNames),
VAR_gtmProxyServers, listValue(VAR_gtmProxyServers),
VAR_gtmProxyPorts, listValue(VAR_gtmProxyPorts),
VAR_gtmProxyDirs, listValue(VAR_gtmProxyDirs));
fclose(f);
backup_configuration();
elog(NOTICE, "Done.\n");
return 0;
}
