[BugFix] Reset all fields of runtime filter when exceeding global bui…

…ld size (StarRocks#35776) (StarRocks#35810)

Signed-off-by: zihe.liu <[email protected]>

be/src/exprs/vectorized/runtime_filter.h

@@ -145,9 +145,9 @@ class SimdBlockFilter {
 
     // Common:
     // log_num_buckets_ is the log (base 2) of the number of buckets in the directory:
-    int _log_num_buckets;
+    int _log_num_buckets = 0;
     // directory_mask_ is (1 << log_num_buckets_) - 1
-    uint32_t _directory_mask;
+    uint32_t _directory_mask = 0;
     Bucket* _directory = nullptr;
 };
 

test/sql/test_runtime_filter/R/test_global_runtime_filter_exceed_limit

@@ -0,0 +1,29 @@
+-- name: test_global_runtime_filter_exceed_limit
+create table t1 (
+    k1 int
+)
+duplicate key(k1)
+distributed by hash(k1) buckets 32
+properties("replication_num" = "1");
+-- result:
+-- !result
+insert into t1 select generate_series FROM TABLE(generate_series(1, 65535));
+-- result:
+-- !result
+insert into t1 select k1 + 65535 from t1;
+-- result:
+-- !result
+insert into t1 select k1 + 65535*2 from t1;
+-- result:
+-- !result
+insert into t1 select k1 + 65535*3 from t1;
+-- result:
+-- !result
+with tw1 as (
+    select t1.k1 from t1 join [broadcast] t1 t2 using(k1)
+)
+select /*+SET_VAR(global_runtime_filter_build_max_size=1,global_runtime_filter_probe_min_size=0)*/ 
+    count(1) from tw1 join [broadcast] t1 t3 using(k1);
+-- result:
+917490
+-- !result

test/sql/test_runtime_filter/T/test_global_runtime_filter_exceed_limit

@@ -0,0 +1,18 @@
+-- name: test_global_runtime_filter_exceed_limit
+create table t1 (
+    k1 int
+)
+duplicate key(k1)
+distributed by hash(k1) buckets 32
+properties("replication_num" = "1");
+
+insert into t1 select generate_series FROM TABLE(generate_series(1, 65535));
+insert into t1 select k1 + 65535 from t1;
+insert into t1 select k1 + 65535*2 from t1;
+insert into t1 select k1 + 65535*3 from t1;
+
+with tw1 as (
+    select t1.k1 from t1 join [broadcast] t1 t2 using(k1)
+)
+select /*+SET_VAR(global_runtime_filter_build_max_size=1,global_runtime_filter_probe_min_size=0)*/ 
+    count(1) from tw1 join [broadcast] t1 t3 using(k1);