Fixed descending sort order

AlexPeshkoff · AlexPeshkoff · commit 86df39010038 · 2017-03-17T18:55:40.000+03:00
diff --git a/src/jrd/sort.cpp b/src/jrd/sort.cpp
@@ -1047,6 +1047,13 @@ void Sort::diddleKey(UCHAR* record, bool direction)
 			}
 			else
 			{
+				if (complement && n)
+				{
+					UCHAR* pp = p;
+					do {
+						*pp++ ^= -1;
+					} while (--n);
+				}
 				p[3] ^= 1 << 7;
 				((Decimal64*)p)->grabKey(lwp);
 			}
@@ -1060,6 +1067,13 @@ void Sort::diddleKey(UCHAR* record, bool direction)
 			}
 			else
 			{
+				if (complement && n)
+				{
+					UCHAR* pp = p;
+					do {
+						*pp++ ^= -1;
+					} while (--n);
+				}
 				p[3] ^= 1 << 7;
 				((Decimal128*)p)->grabKey(lwp);
 			}

Original file line number	Diff line number	Diff line change
`@@ -1047,6 +1047,13 @@ void Sort::diddleKey(UCHAR* record, bool direction)`
`1047`	`1047`	`}`
`1048`	`1048`	`else`
`1049`	`1049`	`{`
	`1050`	`+ if (complement && n)`
	`1051`	`+ {`
	`1052`	`+ UCHAR* pp = p;`
	`1053`	`+ do {`
	`1054`	`+ *pp++ ^= -1;`
	`1055`	`+ } while (--n);`
	`1056`	`+ }`
`1050`	`1057`	`p[3] ^= 1 << 7;`
`1051`	`1058`	`((Decimal64*)p)->grabKey(lwp);`
`1052`	`1059`	`}`
`@@ -1060,6 +1067,13 @@ void Sort::diddleKey(UCHAR* record, bool direction)`
`1060`	`1067`	`}`
`1061`	`1068`	`else`
`1062`	`1069`	`{`
	`1070`	`+ if (complement && n)`
	`1071`	`+ {`
	`1072`	`+ UCHAR* pp = p;`
	`1073`	`+ do {`
	`1074`	`+ *pp++ ^= -1;`
	`1075`	`+ } while (--n);`
	`1076`	`+ }`
`1063`	`1077`	`p[3] ^= 1 << 7;`
`1064`	`1078`	`((Decimal128*)p)->grabKey(lwp);`
`1065`	`1079`	`}`