Support bitmap_empty function (#2227)

2019-11-18 20:37:00 +08:00
parent 626001fae4
commit d8cfbbedf7
12 changed files with 67 additions and 35 deletions
--- a/be/src/exprs/bitmap_function.h
+++ b/be/src/exprs/bitmap_function.h
@ -26,6 +26,7 @@ class BitmapFunctions {
 public:
    static void init();
    static void bitmap_init(FunctionContext* ctx, StringVal* slot);
+    static StringVal bitmap_empty(FunctionContext* ctx);
    template <typename T>
    static void bitmap_update_int(FunctionContext* ctx, const T& src, StringVal* dst);
    // the input src's ptr need to point a RoaringBitmap, this function will release the