readme example update

README.md

@@ -56,29 +56,33 @@ void main()
     // Separated arguments query with binary result:
     queryParams p;
     p.sqlCommand = "SELECT "
-        "$1::double precision, "
-        "$2::timestamp with time zone, "
+        "$1::double precision as double_field, "
+        "$2::timestamp with time zone as time_field, "
         "$3::text, "
-        "$4::text, "
-        "$5::integer[]";
+        "$4::text as null_field, "
+        "array['first', 'second', NULL]::text[] as array_field, "
+        "$5::integer[] as multi_array";
     
     p.args.length = 5;
     
     p.args[0].value = "-1234.56789012345";
     p.args[1].value = "2012-10-04 11:00:21.227803+08";
     p.args[2].value = "first line\nsecond line";
     p.args[3].value = null;
-    p.args[4].value = "{1, 2, NULL}";
+    p.args[4].value = "{{1, 2, 3}, {4, 5, 6}}";
     
     auto r = conn.exec(p);
     
-    writeln( "0: ", r[0][0].as!PGdouble_precision );
-    writeln( "1: ", r[0][1].as!PGtime_stamp.toSimpleString );
+    writeln( "0: ", r[0]["double_field"].as!PGdouble_precision );
+    writeln( "1: ", r[0]["time_field"].as!PGtime_stamp.toSimpleString );
     writeln( "2: ", r[0][2].as!PGtext );
-    writeln( "3 isNULL: ", r[0].isNULL(3) );
-    writeln( "4.1: ", r[0][4].asArray.getValue(1).as!PGinteger );
-    writeln( "4.2: ", r[0][4].asArray.isNULL(0) );
-    writeln( "4.3: ", r[0][4].asArray.isNULL(2) );
+    writeln( "3.1 isNull: ", r[0][3].isNull );
+    writeln( "3.2 isNULL: ", r[0].isNULL(3) );
+    writeln( "4.1: ", r[0][4].asArray[0].as!PGtext );
+    writeln( "4.2: ", r[0][4].asArray[1].as!PGtext );
+    writeln( "4.3: ", r[0]["array_field"].asArray[2].isNull );
+    writeln( "4.4: ", r[0]["array_field"].asArray.isNULL(2) );
+    writeln( "5: ", r[0]["multi_array"].asArray.getValue(1, 2).as!PGinteger );
     
     version(LDC) delete r; // before Derelict unloads its bindings (prevents SIGSEGV)
 }
@@ -93,10 +97,13 @@ Text query result: 456.78
 1: 0013-Oct-05 03:00:21.227803Z
 2: first line
 second line
-3 isNULL: true
-4.1: 2
-4.2: false
+3.1 isNull: true
+3.2 isNULL: true
+4.1: first
+4.2: second
 4.3: true
+4.4: true
+5: 6
 ```
 
 TODO