/* Processed by ecpg (4.12.0) */ /* These include files are added by the preprocessor */ #include #include #include /* End of automatic include section */ #line 1 "F:\\postgrachelor\\project\\dbclient.pgc" #include #include using namespace std; void initdb(); void menuInsert(); void menuSelect(); void menuUpdate(); void menuDelete(); void insertCategory(); void insertQuestion(); void selectCategory(); void selectQuestion(); void updateCategory(); void updateQuestion(); void deleteCategory(); void deleteQuestion(); void cinClear(); int main() { initdb(); char choice; int exit = 0; for(;!exit;){ choice = 0; cout << endl << endl << endl << "Was wollen Sie tun?:" << endl; cout << "(e): Daten eingeben" << endl; cout << "(a): Daten anzeigen" << endl; cout << "(n): Daten aendern" << endl; cout << "(l): Daten loeschen" << endl; cout << "(s): schliessen" << endl; cin >> choice; switch(choice){ case 'e': menuInsert(); break; case 'a': menuSelect(); break; case 'n': menuUpdate(); break; case 'l': menuDelete(); break; case 's': exit = 1; break; } } } void initdb(){ { ECPGconnect(__LINE__, 0, "CSDB@lamp.wlan.hwr-berlin.de" , "gr2" , "2Au-R2n-cQN-uuG" , NULL, 0); } #line 62 "F:\\postgrachelor\\project\\dbclient.pgc" cout << "state: " << sqlca.sqlstate << endl; { ECPGtrans(__LINE__, NULL, "commit");} #line 64 "F:\\postgrachelor\\project\\dbclient.pgc" } void menuInsert(){ char choice = 0; cout << "Welche Tabelle?:" << endl; cout << "(k): Kategorien" << endl; cout << "(f): Fragen" << endl; cin >> choice; switch(choice){ case 'k': insertCategory(); break; case 'f': insertQuestion(); break; } } void menuSelect(){ char choice = 0; cout << "Welche Tabelle?:" << endl; cout << "(k): Kategorien" << endl; cout << "(f): Fragen" << endl; cin >> choice; switch(choice){ case 'k': selectCategory(); break; case 'f': selectQuestion(); break; } } void menuUpdate(){ char choice = 0; cout << "In welcher Tabelle?:" << endl; cout << "(k): Kategorien" << endl; cout << "(f): Fragen" << endl; cin >> choice; switch(choice){ case 'k': updateCategory(); break; case 'f': updateQuestion(); break; } } void menuDelete(){ char choice = 0; cout << "Aus welcher Tabelle?:" << endl; cout << "(k): Kategorien" << endl; cout << "(f): Fragen" << endl; cin >> choice; switch(choice){ case 'k': deleteCategory(); break; case 'f': deleteQuestion(); break; } } void insertCategory(){ /* exec sql begin declare section */ #line 133 "F:\\postgrachelor\\project\\dbclient.pgc" char eingna [ 51 ] ; /* exec sql end declare section */ #line 134 "F:\\postgrachelor\\project\\dbclient.pgc" string h = ""; cout << "Eingabe Name: "; getline(cin, h); getline(cin, h); //cout << h << endl; if (!(h.empty()||!strcmp(h.c_str(),"\n"))) { strcpy(eingna, h.c_str()); { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into gr2 . test ( name ) values ( $1 )", ECPGt_char,(eingna),(long)51,(long)1,(51)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 145 "F:\\postgrachelor\\project\\dbclient.pgc" if (!strcmp(sqlca.sqlstate, "23505")) cout << "GIBT'S SCHON" << endl; cout << "state: " << sqlca.sqlstate << endl; { ECPGtrans(__LINE__, NULL, "commit");} #line 148 "F:\\postgrachelor\\project\\dbclient.pgc" } } void insertQuestion(){ /* exec sql begin declare section */ #line 154 "F:\\postgrachelor\\project\\dbclient.pgc" char question [ 181 ] ; #line 155 "F:\\postgrachelor\\project\\dbclient.pgc" char ans0 [ 181 ] ; #line 156 "F:\\postgrachelor\\project\\dbclient.pgc" char ans1 [ 181 ] ; #line 157 "F:\\postgrachelor\\project\\dbclient.pgc" char ans2 [ 181 ] ; #line 158 "F:\\postgrachelor\\project\\dbclient.pgc" char ans3 [ 181 ] ; #line 159 "F:\\postgrachelor\\project\\dbclient.pgc" int category ; /* exec sql end declare section */ #line 160 "F:\\postgrachelor\\project\\dbclient.pgc" cout << "Frage: "; cin >> question; cout << "Richtige Antwort: "; cin >> ans0; cout << "1. Falsche Antwort: "; cin >> ans1; cout << "2. Falsche Antwort: "; cin >> ans2; cout << "3. Falsche Antwort: "; cin >> ans3; cout << "ID der Kategorie:" << endl << "moegliche "; selectCategory(); cin >> category; if(category){ { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into gr2 . testquestions ( question , answer0 , answer1 , answer2 , answer3 , category ) values ( $1 , $2 , $3 , $4 , $5 , $6 )", ECPGt_char,(question),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans0),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans1),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans2),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans3),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(category),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 176 "F:\\postgrachelor\\project\\dbclient.pgc" if(!strcmp(sqlca.sqlstate, "23503")) cout << "Das ist keine gueltige Kategorie!" << endl; cout << "state: " << sqlca.sqlstate << endl; { ECPGtrans(__LINE__, NULL, "commit");} #line 179 "F:\\postgrachelor\\project\\dbclient.pgc" } } void selectCategory(){ //Die Ausgabe funktioniert nur dann korrekt, wenn die ids eindeutig sind!!! /* exec sql begin declare section */ #line 186 "F:\\postgrachelor\\project\\dbclient.pgc" int id ; #line 187 "F:\\postgrachelor\\project\\dbclient.pgc" char name [ 51 ] ; /* exec sql end declare section */ #line 188 "F:\\postgrachelor\\project\\dbclient.pgc" cout << "Kategorien:" << endl; /* declare xxx cursor for select \"ID\" , name from gr2 . test order by \"ID\" */ #line 192 "F:\\postgrachelor\\project\\dbclient.pgc" { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare xxx cursor for select \"ID\" , name from gr2 . test order by \"ID\"", ECPGt_EOIT, ECPGt_EORT);} #line 193 "F:\\postgrachelor\\project\\dbclient.pgc" int residl; residl = id; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch first from xxx", ECPGt_EOIT, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(name),(long)51,(long)1,(51)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);} #line 198 "F:\\postgrachelor\\project\\dbclient.pgc" if(!strcmp(sqlca.sqlstate, "00000")) cout << id << " " << name << endl; else if(!strcmp(sqlca.sqlstate, "02000")) cout << "Die Tabelle ist leer!"; while(id != residl) { residl = id; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch next from xxx", ECPGt_EOIT, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(name),(long)51,(long)1,(51)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);} #line 205 "F:\\postgrachelor\\project\\dbclient.pgc" if(!strcmp(sqlca.sqlstate, "00000")) cout << id << " " << name << endl; } { ECPGtrans(__LINE__, NULL, "commit");} #line 208 "F:\\postgrachelor\\project\\dbclient.pgc" } void selectQuestion(){ //Die Ausgabe funktioniert nur dann korrekt, wenn die ids eindeutig sind!!! /* exec sql begin declare section */ #line 214 "F:\\postgrachelor\\project\\dbclient.pgc" int id ; #line 215 "F:\\postgrachelor\\project\\dbclient.pgc" char question [ 181 ] ; #line 216 "F:\\postgrachelor\\project\\dbclient.pgc" char ans0 [ 181 ] ; #line 217 "F:\\postgrachelor\\project\\dbclient.pgc" char ans1 [ 181 ] ; #line 218 "F:\\postgrachelor\\project\\dbclient.pgc" char ans2 [ 181 ] ; #line 219 "F:\\postgrachelor\\project\\dbclient.pgc" char ans3 [ 181 ] ; #line 220 "F:\\postgrachelor\\project\\dbclient.pgc" char cat [ 51 ] ; /* exec sql end declare section */ #line 221 "F:\\postgrachelor\\project\\dbclient.pgc" string hQuestion = "", hAns0 = "", hAns1 = "", hAns2 = "", hAns3 = "", hCat = ""; cout << "Fragen:" << endl << endl; /* declare yyy cursor for select q . \"ID\" , q . question , q . answer0 , q . answer1 , q . answer2 , q . answer3 , c . name from gr2 . testquestions q join gr2 . test c on q . \"ID\" = c . \"ID\" order by c . \"ID\" */ #line 227 "F:\\postgrachelor\\project\\dbclient.pgc" { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare yyy cursor for select q . \"ID\" , q . question , q . answer0 , q . answer1 , q . answer2 , q . answer3 , c . name from gr2 . testquestions q join gr2 . test c on q . \"ID\" = c . \"ID\" order by c . \"ID\"", ECPGt_EOIT, ECPGt_EORT);} #line 228 "F:\\postgrachelor\\project\\dbclient.pgc" int residl; residl = id; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch first from yyy", ECPGt_EOIT, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(question),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans0),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans1),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans2),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans3),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(cat),(long)51,(long)1,(51)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);} #line 233 "F:\\postgrachelor\\project\\dbclient.pgc" if(!strcmp(sqlca.sqlstate, "00000")){ hQuestion = question; hAns0 = ans0; hAns1 = ans1; hAns2 = ans2; hAns3 = ans3; hCat = cat; hQuestion.erase(hQuestion.find_last_not_of(" \n\r\t")+1); hAns0.erase(hAns0.find_last_not_of(" \n\r\t")+1); hAns1.erase(hAns1.find_last_not_of(" \n\r\t")+1); hAns2.erase(hAns2.find_last_not_of(" \n\r\t")+1); hAns3.erase(hAns3.find_last_not_of(" \n\r\t")+1); hCat.erase(hCat.find_last_not_of(" \n\r\t")+1); cout << "Schema:" << endl; cout << "Frage: Kategorie" << endl << "\tRichtige Antwort" << endl << "\tFalsche Antwort 1" << endl << "\tFalsche Antwort 2" << endl << "\tFalsche Antwort 3" << endl << endl << endl; cout << hQuestion << ": " << hCat << endl; cout << "\t" << hAns0 << endl; cout << "\t" << hAns1 << endl; cout << "\t" << hAns2 << endl; cout << "\t" << hAns3 << endl; } else if(!strcmp(sqlca.sqlstate, "02000")) cout << "Die Tabelle ist leer!"; while(id != residl) { residl = id; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch next from yyy", ECPGt_EOIT, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(question),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans0),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans1),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans2),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(ans3),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(cat),(long)51,(long)1,(51)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);} #line 260 "F:\\postgrachelor\\project\\dbclient.pgc" if(!strcmp(sqlca.sqlstate, "00000")){ hQuestion = question; hAns0 = ans0; hAns1 = ans1; hAns2 = ans2; hAns3 = ans3; hCat = cat; hQuestion.erase(hQuestion.find_last_not_of(" \n\r\t")+1); hAns0.erase(hAns0.find_last_not_of(" \n\r\t")+1); hAns1.erase(hAns1.find_last_not_of(" \n\r\t")+1); hAns2.erase(hAns2.find_last_not_of(" \n\r\t")+1); hAns3.erase(hAns3.find_last_not_of(" \n\r\t")+1); hCat.erase(hCat.find_last_not_of(" \n\r\t")+1); cout << hQuestion << ": " << hCat << endl; cout << "\t" << hAns0 << endl; cout << "\t" << hAns1 << endl; cout << "\t" << hAns2 << endl; cout << "\t" << hAns3 << endl; } } { ECPGtrans(__LINE__, NULL, "commit");} #line 281 "F:\\postgrachelor\\project\\dbclient.pgc" } void updateCategory(){ /* exec sql begin declare section */ #line 286 "F:\\postgrachelor\\project\\dbclient.pgc" int id ; #line 287 "F:\\postgrachelor\\project\\dbclient.pgc" char name [ 51 ] ; /* exec sql end declare section */ #line 288 "F:\\postgrachelor\\project\\dbclient.pgc" cout << "Welche Kategorie soll bearbeitet werden? (ID eingeben):" << endl; selectCategory(); cin >> id; cout << "Welchen neuen Namen soll die Kategorie bekommen?" << endl; cin >> name; if(id){ { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update gr2 . test set name = $1 where \"ID\" = $2 ", ECPGt_char,(name),(long)51,(long)1,(51)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 295 "F:\\postgrachelor\\project\\dbclient.pgc" if(!strcmp(sqlca.sqlstate, "02000")) cout << "Kein derartiger Datensatz gefunden!"; { ECPGtrans(__LINE__, NULL, "commit");} #line 297 "F:\\postgrachelor\\project\\dbclient.pgc" } } void updateQuestion(){ /* exec sql begin declare section */ #line 303 "F:\\postgrachelor\\project\\dbclient.pgc" int id ; #line 304 "F:\\postgrachelor\\project\\dbclient.pgc" char question [ 181 ] ; #line 305 "F:\\postgrachelor\\project\\dbclient.pgc" char ans0 [ 181 ] ; #line 306 "F:\\postgrachelor\\project\\dbclient.pgc" char ans1 [ 181 ] ; #line 307 "F:\\postgrachelor\\project\\dbclient.pgc" char ans2 [ 181 ] ; #line 308 "F:\\postgrachelor\\project\\dbclient.pgc" char ans3 [ 181 ] ; #line 309 "F:\\postgrachelor\\project\\dbclient.pgc" int cat ; /* exec sql end declare section */ #line 310 "F:\\postgrachelor\\project\\dbclient.pgc" char choice = 0; cout << "Welche Frage soll bearbeitet werden? (ID eingeben):" << endl; cin >> id; if(id){ cout << "Was soll an der Frage geaendert werden?" << endl << "(f): Die Fragenstellung" << endl << "(0): Die richtige Antwort" << endl << "(1)-(3): Eine der falschen Antworten" << endl << "(k): Die Kategorie" << endl; cin >> choice; switch(choice){ case 'f': cout << "Neue Fragenstellung: "; cin >> question; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update gr2 . testquestions set question = $1 where \"ID\" = $2 ", ECPGt_char,(question),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 321 "F:\\postgrachelor\\project\\dbclient.pgc" break; case '0': cout << "Neue richtige Antwort: "; cin >> ans0; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update gr2 . testquestions set answer0 = $1 where \"ID\" = $2 ", ECPGt_char,(ans0),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 326 "F:\\postgrachelor\\project\\dbclient.pgc" break; case '1': cout << "Neue falsche Antwort: "; cin >> ans1; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update gr2 . testquestions set answer1 = $1 where \"ID\" = $2 ", ECPGt_char,(ans1),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 331 "F:\\postgrachelor\\project\\dbclient.pgc" break; case '2': cout << "Neue falsche Antwort: "; cin >> ans2; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update gr2 . testquestions set answer2 = $1 where \"ID\" = $2 ", ECPGt_char,(ans2),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 336 "F:\\postgrachelor\\project\\dbclient.pgc" break; case '3': cout << "Neue falsche Antwort: "; cin >> ans3; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update gr2 . testquestions set answer3 = $1 where \"ID\" = $2 ", ECPGt_char,(ans3),(long)181,(long)1,(181)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 341 "F:\\postgrachelor\\project\\dbclient.pgc" break; case 'k': cout << "Neue Kategorie (ID):" << endl; selectCategory(); cin >> cat; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update gr2 . testquestions set category = $1 where \"ID\" = $2 ", ECPGt_int,&(cat),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_int,&(id),(long)1,(long)1,sizeof(int), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 347 "F:\\postgrachelor\\project\\dbclient.pgc" break; } { ECPGtrans(__LINE__, NULL, "commit");} #line 350 "F:\\postgrachelor\\project\\dbclient.pgc" } } void deleteCategory(){ } void deleteQuestion(){ } void cinClear() { char Muell; cin.clear(); do { cin.get(Muell); } while (Muell != '\n'); }