[SKIP INDEX] fix falifisable filter use incorrect obj meta.

src/storage/access/ob_sstable_index_filter.cpp

@@ -114,7 +114,9 @@ int ObSSTableIndexFilter::is_filtered_by_skipping_index(
     auto *white_filter = static_cast<sql::ObWhiteFilterExecutor *>(node.filter_);
     const uint32_t col_offset = white_filter->get_col_offsets(is_cg_).at(0);
     const uint32_t col_idx = static_cast<uint32_t>(read_info->get_columns_index().at(col_offset));
+    const ObObjMeta obj_meta = read_info->get_columns_desc().at(col_offset).col_type_;
     if (OB_FAIL(skip_filter_executor_.falsifiable_pushdown_filter(col_idx,
+                                                                  obj_meta,
                                                                   node.skip_index_type_,
                                                                   index_info,
                                                                   *white_filter,

src/storage/blocksstable/index_block/ob_skip_index_filter_executor.cpp

@@ -49,6 +49,7 @@ int ObSkipIndexFilterExecutor::read_aggregate_data(const uint32_t col_idx,
 
 int ObSkipIndexFilterExecutor::falsifiable_pushdown_filter(
     const uint32_t col_idx,
+    const ObObjMeta &obj_meta,
     const ObSkipIndexType index_type,
     const ObMicroIndexInfo &index_info,
     sql::ObWhiteFilterExecutor &filter,
@@ -64,7 +65,8 @@ int ObSkipIndexFilterExecutor::falsifiable_pushdown_filter(
   } else {
     switch (index_type) {
       case ObSkipIndexType::MIN_MAX: {
-        if (OB_FAIL(filter_on_min_max(col_idx, index_info.get_row_count(), filter, allocator))) {
+        if (OB_FAIL(filter_on_min_max(col_idx, index_info.get_row_count(),
+            obj_meta, filter, allocator))) {
           LOG_WARN("Fail to filter on min_max", K(ret), K(col_idx));
         }
         break;
@@ -81,12 +83,12 @@ int ObSkipIndexFilterExecutor::falsifiable_pushdown_filter(
 int ObSkipIndexFilterExecutor::filter_on_min_max(
     const uint32_t col_idx,
     const uint64_t row_count,
+    const ObObjMeta &obj_meta,
     sql::ObWhiteFilterExecutor &filter,
     common::ObIAllocator &allocator)
 {
   int ret = OB_SUCCESS;
   sql::ObBoolMask &fal_desc = filter.get_filter_bool_mask();
-  const ObObjMeta &obj_meta = filter.get_filter_node().expr_->args_[0]->obj_meta_;
   const share::schema::ObColumnParam *col_param = filter.get_col_params().at(0);
   ObStorageDatum null_count;
   ObStorageDatum min_datum;

src/storage/blocksstable/index_block/ob_skip_index_filter_executor.h

@@ -35,6 +35,7 @@ public:
     agg_row_reader_.reset();
   }
   int falsifiable_pushdown_filter(const uint32_t col_idx,
+                                  const ObObjMeta &obj_meta,
                                   const ObSkipIndexType index_type,
                                   const ObMicroIndexInfo &index_info,
                                   sql::ObWhiteFilterExecutor &filter,
@@ -43,6 +44,7 @@ public:
 private:
   int filter_on_min_max(const uint32_t col_idx,
                         const uint64_t row_count,
+                        const ObObjMeta &obj_meta,
                         sql::ObWhiteFilterExecutor &filter,
                         common::ObIAllocator &allocator);
 

unittest/storage/blocksstable/test_skip_index_filter.cpp

@@ -272,7 +272,8 @@ int TestSkipIndexFilter::test_skip_index_filter_pushdown (
   index_info.agg_buf_size_ = buf_size;
   index_info.row_header_ = &row_header;
 
-  ret = skip_index_filter.falsifiable_pushdown_filter(col_idx, ObSkipIndexType::MIN_MAX, index_info, filter, allocator_);
+  ret = skip_index_filter.falsifiable_pushdown_filter(col_idx, filter.filter_.expr_->args_[0]->obj_meta_,
+      ObSkipIndexType::MIN_MAX, index_info, filter, allocator_);
   fal_desc = filter.get_filter_bool_mask();
 
 

unittest/storage/blocksstable/test_sstable_index_filter.cpp

@@ -97,6 +97,10 @@ void TestSSTableIndexFilter::init()
   ObColExtend col_extend;
   col_extend.skip_index_attr_.set_min_max();
   read_info_.cols_extend_.push_back(col_extend);
+  read_info_.cols_desc_.init(1,allocator_);
+  ObColDesc col_desc;
+  col_desc.col_type_.set_uint64();
+  read_info_.cols_desc_.push_back(col_desc);
 }
 
 void TestSSTableIndexFilter::test_skipping_filter_nodes_builder_1()