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The following commit(s) were added to refs/heads/master by this push:
new ea1554374cf [fix](multicast) fix DCHECK failure of block mem reuse for
multicast (#26127)
ea1554374cf is described below
commit ea1554374cf759aea1b8204bfa518f18372150f8
Author: TengJianPing <[email protected]>
AuthorDate: Tue Oct 31 16:35:26 2023 +0800
[fix](multicast) fix DCHECK failure of block mem reuse for multicast
(#26127)
* [fix](multicast) fix DCHECK failure of block mem reuse for multicast
---
.../exec/multi_cast_data_stream_source.cpp | 4 +-
be/src/vec/exprs/vexpr_context.cpp | 16 +++-
be/src/vec/exprs/vexpr_context.h | 3 +-
.../correctness_p0/test_bugfix_block_reuse.out | 8 ++
.../correctness_p0/test_bugfix_block_reuse.groovy | 91 ++++++++++++++++++++++
5 files changed, 117 insertions(+), 5 deletions(-)
diff --git a/be/src/pipeline/exec/multi_cast_data_stream_source.cpp
b/be/src/pipeline/exec/multi_cast_data_stream_source.cpp
index dd1c1e46d21..c8036f79baf 100644
--- a/be/src/pipeline/exec/multi_cast_data_stream_source.cpp
+++ b/be/src/pipeline/exec/multi_cast_data_stream_source.cpp
@@ -107,7 +107,7 @@ Status
MultiCastDataStreamerSourceOperator::get_block(RuntimeState* state, vecto
if (!_output_expr_contexts.empty() && output_block->rows() > 0) {
RETURN_IF_ERROR(vectorized::VExprContext::get_output_block_after_execute_exprs(
- _output_expr_contexts, *output_block, block));
+ _output_expr_contexts, *output_block, block, true));
materialize_block_inplace(*block);
}
if (eos) {
@@ -171,7 +171,7 @@ Status
MultiCastDataStreamerSourceOperatorX::get_block(RuntimeState* state,
if (!local_state._output_expr_contexts.empty() && output_block->rows() >
0) {
RETURN_IF_ERROR(vectorized::VExprContext::get_output_block_after_execute_exprs(
- local_state._output_expr_contexts, *output_block, block));
+ local_state._output_expr_contexts, *output_block, block,
true));
materialize_block_inplace(*block);
}
COUNTER_UPDATE(local_state._rows_returned_counter, block->rows());
diff --git a/be/src/vec/exprs/vexpr_context.cpp
b/be/src/vec/exprs/vexpr_context.cpp
index 155faf5d007..60eb577c650 100644
--- a/be/src/vec/exprs/vexpr_context.cpp
+++ b/be/src/vec/exprs/vexpr_context.cpp
@@ -287,15 +287,27 @@ Status
VExprContext::execute_conjuncts_and_filter_block(const VExprContextSPtrs&
return Status::OK();
}
+// do_projection: for some query(e.g. in
MultiCastDataStreamerSourceOperator::get_block()),
+// output_vexpr_ctxs will output the same column more than once, and if the
output_block
+// is mem-reused later, it will trigger DCHECK_EQ(d.column->use_count(), 1)
failure when
+// doing Block::clear_column_data, set do_projection to true to copy the
column data to
+// avoid this problem.
Status VExprContext::get_output_block_after_execute_exprs(
- const VExprContextSPtrs& output_vexpr_ctxs, const Block& input_block,
Block* output_block) {
+ const VExprContextSPtrs& output_vexpr_ctxs, const Block& input_block,
Block* output_block,
+ bool do_projection) {
+ auto rows = input_block.rows();
vectorized::Block tmp_block(input_block.get_columns_with_type_and_name());
vectorized::ColumnsWithTypeAndName result_columns;
for (auto& vexpr_ctx : output_vexpr_ctxs) {
int result_column_id = -1;
RETURN_IF_ERROR(vexpr_ctx->execute(&tmp_block, &result_column_id));
DCHECK(result_column_id != -1);
-
result_columns.emplace_back(tmp_block.get_by_position(result_column_id));
+ const auto& col = tmp_block.get_by_position(result_column_id);
+ if (do_projection) {
+ result_columns.emplace_back(col.column->clone_resized(rows),
col.type, col.name);
+ } else {
+
result_columns.emplace_back(tmp_block.get_by_position(result_column_id));
+ }
}
*output_block = {result_columns};
return Status::OK();
diff --git a/be/src/vec/exprs/vexpr_context.h b/be/src/vec/exprs/vexpr_context.h
index 7e0f0275cc3..db5c4c87d8d 100644
--- a/be/src/vec/exprs/vexpr_context.h
+++ b/be/src/vec/exprs/vexpr_context.h
@@ -93,7 +93,8 @@ public:
int column_to_keep,
IColumn::Filter& filter);
[[nodiscard]] static Status get_output_block_after_execute_exprs(const
VExprContextSPtrs&,
- const
Block&, Block*);
+ const
Block&, Block*,
+ bool
do_projection = false);
int get_last_result_column_id() const {
DCHECK(_last_result_column_id != -1);
diff --git a/regression-test/data/correctness_p0/test_bugfix_block_reuse.out
b/regression-test/data/correctness_p0/test_bugfix_block_reuse.out
new file mode 100644
index 00000000000..e52ec66614c
--- /dev/null
+++ b/regression-test/data/correctness_p0/test_bugfix_block_reuse.out
@@ -0,0 +1,8 @@
+-- This file is automatically generated. You should know what you did if you
want to edit this
+-- !sql_0 --
+
+-- !sql_1 --
+1.100
+2.200
+3.300
+
diff --git
a/regression-test/suites/correctness_p0/test_bugfix_block_reuse.groovy
b/regression-test/suites/correctness_p0/test_bugfix_block_reuse.groovy
new file mode 100644
index 00000000000..fb25cd7e687
--- /dev/null
+++ b/regression-test/suites/correctness_p0/test_bugfix_block_reuse.groovy
@@ -0,0 +1,91 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+// Test some keywords that may conflict.
+// For example, "bin" is used for function "bin",
+// and also used "show catalog recycle bin"
+suite("test_bugfix_block_reuse") {
+ sql "drop table if exists test_bugfix_block_reuse;"
+ sql """
+ create table test_bugfix_block_reuse (
+ k1 int, v1 decimal(20,3)
+ ) distributed by hash(k1) properties("replication_num"="1");
+ """
+ sql "insert into test_bugfix_block_reuse values(1, 1.1), (2, 2.2), (3,
3.3);"
+ sql "sync"
+ qt_sql_0 """
+ with ta as (
+ select
+ `v1` as source_,
+ 'funnel_seq_1' as funnel_seq_
+ from
+ test_bugfix_block_reuse
+ )
+ select
+ left_.source_ as source_
+ from
+ (
+ select
+ source_ as source_,
+ row_number() over(PARTITION BY source_) as session_id_
+ from
+ ta
+ where
+ funnel_seq_ IN ('funnel_seq_1')
+ ) left_
+ inner join (
+ select
+ source_ as source_
+ from
+ ta
+ where
+ funnel_seq_ IN ('funnel_seq_2')
+ ) right_ on right_.source_ = left_.source_
+ order by 1;
+ """
+
+ qt_sql_1 """
+ with ta as (
+ select
+ `v1` as source_,
+ 'funnel_seq_1' as funnel_seq_
+ from
+ test_bugfix_block_reuse
+ )
+ select
+ left_.source_ as source_
+ from
+ (
+ select
+ source_ as source_,
+ row_number() over(PARTITION BY source_) as session_id_
+ from
+ ta
+ where
+ funnel_seq_ IN ('funnel_seq_1')
+ ) left_
+ inner join (
+ select
+ source_ as source_
+ from
+ ta
+ where
+ funnel_seq_ IN ('funnel_seq_1')
+ ) right_ on right_.source_ = left_.source_
+ order by 1;
+ """
+}
\ No newline at end of file
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