added CodeBlocks Project

current state: menu, insert category, show categories
2017-03-18 00:27:05 +01:00
parent 50a5ee31c5
commit 2ba7cb25ee
8 changed files with 331 additions and 0 deletions
--- a/project/dbclient.cpp
+++ b/project/dbclient.cpp
@@ -0,0 +1,151 @@
+/* Processed by ecpg (4.12.0) */
+/* These include files are added by the preprocessor */
+#include <ecpglib.h>
+#include <ecpgerrno.h>
+#include <sqlca.h>
+/* End of automatic include section */
+
+#line 1 "F:\\postgrachelor\\project\\dbclient.pgc"
+#include <iostream>
+#include <stdlib.h>
+
+using namespace std;
+
+void initdb();
+void insertCategory();
+void menuInsert();
+void select();
+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 << "" << endl;
+        cout << "(s): schliessen" << endl;
+        cin >> choice;
+        switch(choice){
+            case 'e':
+                insertCategory();
+                break;
+            case 'a':
+                select();
+                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 41 "F:\\postgrachelor\\project\\dbclient.pgc"
+
+        cout << "state: " << sqlca.sqlstate << endl;
+	{ ECPGtrans(__LINE__, NULL, "commit");}
+#line 43 "F:\\postgrachelor\\project\\dbclient.pgc"
+
+}
+
+void menuInsert(){
+    insertCategory();
+}
+
+void insertCategory(){
+    /* exec sql begin declare section */
+		 
+	
+#line 52 "F:\\postgrachelor\\project\\dbclient.pgc"
+ char eingna [ 51 ] ;
+/* exec sql end declare section */
+#line 53 "F:\\postgrachelor\\project\\dbclient.pgc"
+
+
+    cout << "Eingabe Name: ";
+    cin >> eingna;
+    if (!cin) cinClear();
+
+    if (eingna)
+    {
+        { 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 61 "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 64 "F:\\postgrachelor\\project\\dbclient.pgc"
+
+    }
+}
+
+void select(){
+    //Die Ausgabe funktioniert nur dann korrekt, wenn die ids eindeutig sind!!!
+    /* exec sql begin declare section */
+         
+         
+    
+#line 71 "F:\\postgrachelor\\project\\dbclient.pgc"
+ int id ;
+ 
+#line 72 "F:\\postgrachelor\\project\\dbclient.pgc"
+ char name [ 51 ] ;
+/* exec sql end declare section */
+#line 73 "F:\\postgrachelor\\project\\dbclient.pgc"
+
+
+    cout << endl << "Ausgabe Tabelle: " << endl;
+
+	/* declare xxx cursor for select \"ID\" , name from gr2 . test order by \"ID\" */
+#line 77 "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 78 "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 83 "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 90 "F:\\postgrachelor\\project\\dbclient.pgc"
+
+		if(!strcmp(sqlca.sqlstate, "00000")) cout << id << " " << name << endl;
+	}
+	{ ECPGtrans(__LINE__, NULL, "commit");}
+#line 93 "F:\\postgrachelor\\project\\dbclient.pgc"
+
+}
+
+void cinClear() {
+	char Muell;
+	cin.clear();
+	do {
+		cin.get(Muell);
+	} while (Muell != '\n');
+}