HappenLee commented on code in PR #16841:
URL: https://github.com/apache/doris/pull/16841#discussion_r1108484218


##########
be/src/vec/functions/function_java_udf.cpp:
##########
@@ -194,6 +228,74 @@ Status JavaFunctionCall::execute(FunctionContext* context, 
Block& block,
                 reinterpret_cast<int64_t>(data_col->get_raw_data().data);      
                    \
         env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, 
executor_evaluate_id_,     \
                                        nullptr);                               
                    \
+    } else if (data_col->is_column_array()) {                                  
                    \
+        ColumnArray* array_col = assert_cast<ColumnArray*>(data_col.get());    
                    \
+        ColumnNullable& array_nested_nullable =                                
                    \
+                assert_cast<ColumnNullable&>(array_col->get_data());           
                    \
+        auto data_column_null_map = 
array_nested_nullable.get_null_map_column_ptr();               \
+        auto data_column = array_nested_nullable.get_nested_column_ptr();      
                    \
+        auto& offset_column = array_col->get_offsets_column();                 
                    \
+        int increase_buffer_size = 0;                                          
                    \
+        int32_t buffer_size = 
JniUtil::IncreaseReservedBufferSize(increase_buffer_size);           \
+        offset_column.reserve(num_rows);                                       
                    \
+        offset_column.resize(num_rows);                                        
                    \

Review Comment:
   only do resize is enough?



##########
be/src/vec/functions/function_java_udf.cpp:
##########
@@ -194,6 +228,74 @@ Status JavaFunctionCall::execute(FunctionContext* context, 
Block& block,
                 reinterpret_cast<int64_t>(data_col->get_raw_data().data);      
                    \
         env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, 
executor_evaluate_id_,     \
                                        nullptr);                               
                    \
+    } else if (data_col->is_column_array()) {                                  
                    \
+        ColumnArray* array_col = assert_cast<ColumnArray*>(data_col.get());    
                    \
+        ColumnNullable& array_nested_nullable =                                
                    \
+                assert_cast<ColumnNullable&>(array_col->get_data());           
                    \
+        auto data_column_null_map = 
array_nested_nullable.get_null_map_column_ptr();               \
+        auto data_column = array_nested_nullable.get_nested_column_ptr();      
                    \
+        auto& offset_column = array_col->get_offsets_column();                 
                    \
+        int increase_buffer_size = 0;                                          
                    \
+        int32_t buffer_size = 
JniUtil::IncreaseReservedBufferSize(increase_buffer_size);           \
+        offset_column.reserve(num_rows);                                       
                    \
+        offset_column.resize(num_rows);                                        
                    \
+        *(jni_ctx->output_offsets_ptr) =                                       
                    \
+                reinterpret_cast<int64_t>(offset_column.get_raw_data().data);  
                    \
+        data_column_null_map->reserve(buffer_size);                            
                    \
+        data_column_null_map->resize(buffer_size);                             
                    \

Review Comment:
   same to the up



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