Fix ITS#2044 duplicate search results due to broken bdb_idl_union

diff --git a/servers/slapd/back-bdb/idl.c b/servers/slapd/back-bdb/idl.c
index 28c9a725e6e499beb5333a4e55d5bc5005358275..99f6963a054f06dc4f3e0d867d607de5113ff769 100644 (file)
--- a/servers/slapd/back-bdb/idl.c
+++ b/servers/slapd/back-bdb/idl.c
@@ -1053,7 +1053,7 @@ over:             ida = IDL_MIN( BDB_IDL_FIRST(a), BDB_IDL_FIRST(b) );
                        idb = NOID;
                else
                        idb = b[cursorc];
-               if (b[cursorb] < idb)
+               if (cursorb <= b[0] && b[cursorb] < idb)
                        a[cursora++] = b[cursorb++];
                else {
                        a[cursora++] = idb;