fix filter_generic in column_array func

be/src/vec/columns/column_array.cpp

@@ -732,22 +732,17 @@ ColumnPtr ColumnArray::filter_generic(const Filter& filt, ssize_t result_size_hi
     if (size == 0) return ColumnArray::create(data);
 
     Filter nested_filt(get_offsets().back());
+    ssize_t nested_result_size_hint = 0;
     for (size_t i = 0; i < size; ++i) {
-        if (filt[i])
+        if (filt[i]) {
             memset(&nested_filt[offset_at(i)], 1, size_at(i));
-        else
+            nested_result_size_hint += size_at(i);
+        } else {
             memset(&nested_filt[offset_at(i)], 0, size_at(i));
+        }
     }
 
     auto res = ColumnArray::create(data->clone_empty());
-
-    ssize_t nested_result_size_hint = 0;
-    if (result_size_hint < 0)
-        nested_result_size_hint = result_size_hint;
-    else if (result_size_hint && result_size_hint < 1000000000 &&
-             data->size() < 1000000000) /// Avoid overflow.
-        nested_result_size_hint = result_size_hint * data->size() / size;
-
     res->data = data->filter(nested_filt, nested_result_size_hint);
 
     auto& res_offsets = res->get_offsets();

regression-test/data/nereids_p0/sql_functions/array_functions/sql/array_filter.out

@@ -0,0 +1,118 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !array_filter --
+0
+
+-- !array_filter_2 --
+300
+
+-- !array_filter_3 --
+0
+
+-- !array_filter_4 --
+0
+
+-- !array_filter_5 --
+0
+
+-- !array_filter_6 --
+0
+
+-- !array_filter_7 --
+0
+
+-- !array_filter_8 --
+false	false
+true	true
+false	false
+false	true
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	true
+false	true
+false	true
+false	false
+false	true
+false	false
+false	true
+false	false
+false	false
+false	false
+false	true
+false	true
+false	true
+false	true
+false	false
+false	\N
+false	true
+false	true
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	true
+false	false
+false	false
+false	false
+false	\N
+false	true
+false	\N
+false	true
+false	false
+false	\N
+false	true
+false	true
+false	false
+false	false
+false	false
+false	false
+false	true
+false	false
+false	false
+false	false
+false	false
+false	false
+false	true
+false	false
+false	false
+false	false
+false	\N
+false	true
+false	false
+false	true
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+true	true
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	false
+false	\N
+false	false
+false	\N
+false	true
+false	true
+false	false
+false	true
+false	false
+false	true
+false	false
+false	true
+false	\N
+