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new a93c86577c4 [Improvementation](join) empty_block shall be set true
when build block only one row (#33721)
a93c86577c4 is described below
commit a93c86577c49adcf3b0f58248fd5283d7e7a27f4
Author: Pxl <[email protected]>
AuthorDate: Thu Apr 18 14:26:39 2024 +0800
[Improvementation](join) empty_block shall be set true when build block
only one row (#33721)
empty_block shall be set true when build block only one row
---
be/src/pipeline/exec/hashjoin_build_sink.cpp | 17 +++++++++--------
be/src/pipeline/exec/hashjoin_probe_operator.cpp | 17 ++++++-----------
be/src/vec/core/column_with_type_and_name.cpp | 12 +++++++-----
3 files changed, 22 insertions(+), 24 deletions(-)
diff --git a/be/src/pipeline/exec/hashjoin_build_sink.cpp
b/be/src/pipeline/exec/hashjoin_build_sink.cpp
index 176eaf33b1d..3fe80c73bc1 100644
--- a/be/src/pipeline/exec/hashjoin_build_sink.cpp
+++ b/be/src/pipeline/exec/hashjoin_build_sink.cpp
@@ -155,21 +155,22 @@ bool HashJoinBuildSinkLocalState::build_unique() const {
void HashJoinBuildSinkLocalState::init_short_circuit_for_probe() {
auto& p = _parent->cast<HashJoinBuildSinkOperatorX>();
+ bool empty_block =
+ !_shared_state->build_block ||
+ !(_shared_state->build_block->rows() > 1); // build size always
mock a row into block
_shared_state->short_circuit_for_probe =
(_shared_state->_has_null_in_build_side &&
p._join_op == TJoinOp::NULL_AWARE_LEFT_ANTI_JOIN &&
!p._is_mark_join) ||
- (!_shared_state->build_block && p._join_op == TJoinOp::INNER_JOIN
&&
- !p._is_mark_join) ||
- (!_shared_state->build_block && p._join_op ==
TJoinOp::LEFT_SEMI_JOIN &&
- !p._is_mark_join) ||
- (!_shared_state->build_block && p._join_op ==
TJoinOp::RIGHT_OUTER_JOIN) ||
- (!_shared_state->build_block && p._join_op ==
TJoinOp::RIGHT_SEMI_JOIN) ||
- (!_shared_state->build_block && p._join_op ==
TJoinOp::RIGHT_ANTI_JOIN);
+ (empty_block && p._join_op == TJoinOp::INNER_JOIN &&
!p._is_mark_join) ||
+ (empty_block && p._join_op == TJoinOp::LEFT_SEMI_JOIN &&
!p._is_mark_join) ||
+ (empty_block && p._join_op == TJoinOp::RIGHT_OUTER_JOIN) ||
+ (empty_block && p._join_op == TJoinOp::RIGHT_SEMI_JOIN) ||
+ (empty_block && p._join_op == TJoinOp::RIGHT_ANTI_JOIN);
//when build table rows is 0 and not have other_join_conjunct and not
_is_mark_join and join type is one of
LEFT_OUTER_JOIN/FULL_OUTER_JOIN/LEFT_ANTI_JOIN
//we could get the result is probe table + null-column(if need output)
_shared_state->empty_right_table_need_probe_dispose =
- (!_shared_state->build_block && !p._have_other_join_conjunct &&
!p._is_mark_join) &&
+ (empty_block && !p._have_other_join_conjunct && !p._is_mark_join)
&&
(p._join_op == TJoinOp::LEFT_OUTER_JOIN || p._join_op ==
TJoinOp::FULL_OUTER_JOIN ||
p._join_op == TJoinOp::LEFT_ANTI_JOIN);
}
diff --git a/be/src/pipeline/exec/hashjoin_probe_operator.cpp
b/be/src/pipeline/exec/hashjoin_probe_operator.cpp
index a58ad62211c..2e273f18660 100644
--- a/be/src/pipeline/exec/hashjoin_probe_operator.cpp
+++ b/be/src/pipeline/exec/hashjoin_probe_operator.cpp
@@ -247,7 +247,9 @@ Status HashJoinProbeOperatorX::pull(doris::RuntimeState*
state, vectorized::Bloc
}
//TODO: this short circuit maybe could refactor, no need to check at here.
- if (local_state._shared_state->empty_right_table_need_probe_dispose) {
+ // only support nereids
+ if (local_state._shared_state->empty_right_table_need_probe_dispose &&
+ !Base::_projections.empty()) {
// when build table rows is 0 and not have other_join_conjunct and
join type is one of LEFT_OUTER_JOIN/FULL_OUTER_JOIN/LEFT_ANTI_JOIN
// we could get the result is probe table + null-column(if need output)
// If we use a short-circuit strategy, should return block directly by
add additional null data.
@@ -257,12 +259,6 @@ Status HashJoinProbeOperatorX::pull(doris::RuntimeState*
state, vectorized::Bloc
return Status::OK();
}
- vectorized::Block temp_block;
- //get probe side output column
- for (int i = 0; i < _left_output_slot_flags.size(); ++i) {
- temp_block.insert(local_state._probe_block.get_by_position(i));
- }
-
//create build side null column, if need output
for (int i = 0;
(_join_op != TJoinOp::LEFT_ANTI_JOIN) && i <
_right_output_slot_flags.size(); ++i) {
@@ -273,8 +269,8 @@ Status HashJoinProbeOperatorX::pull(doris::RuntimeState*
state, vectorized::Bloc
vectorized::ColumnVector<vectorized::UInt8>::create(block_rows, 1);
auto nullable_column =
vectorized::ColumnNullable::create(std::move(column),
std::move(null_map_column));
- temp_block.insert({std::move(nullable_column), make_nullable(type),
- _right_table_column_names[i]});
+ local_state._probe_block.insert({std::move(nullable_column),
make_nullable(type),
+ _right_table_column_names[i]});
}
if (_is_outer_join) {
reinterpret_cast<vectorized::ColumnUInt8*>(
@@ -290,8 +286,7 @@ Status HashJoinProbeOperatorX::pull(doris::RuntimeState*
state, vectorized::Bloc
/// No need to check the block size in `_filter_data_and_build_output`
because here dose not
/// increase the output rows count(just same as `_probe_block`'s rows
count).
RETURN_IF_ERROR(local_state.filter_data_and_build_output(state,
output_block, eos,
- &temp_block,
false));
- temp_block.clear();
+
&local_state._probe_block, false));
local_state._probe_block.clear_column_data(_child_x->row_desc().num_materialized_slots());
return Status::OK();
}
diff --git a/be/src/vec/core/column_with_type_and_name.cpp
b/be/src/vec/core/column_with_type_and_name.cpp
index cd0f7194004..e93946804ff 100644
--- a/be/src/vec/core/column_with_type_and_name.cpp
+++ b/be/src/vec/core/column_with_type_and_name.cpp
@@ -62,15 +62,17 @@ void ColumnWithTypeAndName::dump_structure(std::ostream&
out) const {
out << name;
}
- if (type)
+ if (type) {
out << " " << type->get_name();
- else
+ } else {
out << " nullptr";
+ }
- if (column)
- out << ' ' << column->dump_structure();
- else
+ if (column) {
+ out << ' ' << column->dump_structure() << "(use_count=" <<
column->use_count() << ')';
+ } else {
out << " nullptr";
+ }
}
String ColumnWithTypeAndName::dump_structure() const {
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