From 17cf34b244a92b5c2e9da2d1fe3ddc052855facd Mon Sep 17 00:00:00 2001
From: Qi Chen <kaka11.chen@gmail.com>
Date: Sat, 22 Jun 2024 11:28:21 +0800
Subject: [PATCH] [Fix](multi-catalog) Fix core in orc and parquet reader
 sometimes after low mem exception. (#36575)

## Proposed changes

Backport #36574.
---
 be/src/vec/exec/format/orc/vorc_reader.cpp         | 2 --
 be/src/vec/exec/format/parquet/vparquet_reader.cpp | 1 -
 2 files changed, 3 deletions(-)

diff --git a/be/src/vec/exec/format/orc/vorc_reader.cpp b/be/src/vec/exec/format/orc/vorc_reader.cpp
index 16909f0023..6e4f5674e2 100644
--- a/be/src/vec/exec/format/orc/vorc_reader.cpp
+++ b/be/src/vec/exec/format/orc/vorc_reader.cpp
@@ -1594,7 +1594,6 @@ Status OrcReader::get_next_block_impl(Block* block, size_t* read_rows, bool* eof
             } catch (std::exception& e) {
                 std::string _err_msg = e.what();
                 if (_io_ctx && _io_ctx->should_stop && _err_msg == "stop") {
-                    block->clear_column_data();
                     *eof = true;
                     *read_rows = 0;
                     return Status::OK();
@@ -1664,7 +1663,6 @@ Status OrcReader::get_next_block_impl(Block* block, size_t* read_rows, bool* eof
             } catch (std::exception& e) {
                 std::string _err_msg = e.what();
                 if (_io_ctx && _io_ctx->should_stop && _err_msg == "stop") {
-                    block->clear_column_data();
                     *eof = true;
                     *read_rows = 0;
                     return Status::OK();
diff --git a/be/src/vec/exec/format/parquet/vparquet_reader.cpp b/be/src/vec/exec/format/parquet/vparquet_reader.cpp
index f99786dc6e..db3399eb0d 100644
--- a/be/src/vec/exec/format/parquet/vparquet_reader.cpp
+++ b/be/src/vec/exec/format/parquet/vparquet_reader.cpp
@@ -525,7 +525,6 @@ Status ParquetReader::get_next_block(Block* block, size_t* read_rows, bool* eof)
     Status batch_st =
             _current_group_reader->next_batch(block, _batch_size, read_rows, &_row_group_eof);
     if (batch_st.is<ErrorCode::END_OF_FILE>()) {
-        block->clear_column_data();
         _current_group_reader.reset(nullptr);
         *read_rows = 0;
         *eof = true;