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The following commit(s) were added to refs/heads/branch-3.0 by this push:
new 94082a1446c branch-3.0: [fix](local shuffle) Set serial execution for
schema scan operator #47498 (#47526)
94082a1446c is described below
commit 94082a1446c870835cfaecc79162e0cbb08cb49f
Author: github-actions[bot]
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Fri Feb 7 17:48:11 2025 +0800
branch-3.0: [fix](local shuffle) Set serial execution for schema scan
operator #47498 (#47526)
Cherry-picked from #47498
Co-authored-by: Gabriel <liwenqi...@selectdb.com>
---
be/src/pipeline/exec/schema_scan_operator.cpp | 4 +++-
regression-test/suites/query_p0/system/test_query_sys.groovy | 8 ++++++++
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/be/src/pipeline/exec/schema_scan_operator.cpp
b/be/src/pipeline/exec/schema_scan_operator.cpp
index ddc2821cac1..8faee3ef581 100644
--- a/be/src/pipeline/exec/schema_scan_operator.cpp
+++ b/be/src/pipeline/exec/schema_scan_operator.cpp
@@ -70,7 +70,9 @@ SchemaScanOperatorX::SchemaScanOperatorX(ObjectPool* pool,
const TPlanNode& tnod
_common_scanner_param(new SchemaScannerCommonParam()),
_tuple_id(tnode.schema_scan_node.tuple_id),
_tuple_idx(0),
- _slot_num(0) {}
+ _slot_num(0) {
+ Base::_is_serial_operator = tnode.__isset.is_serial_operator &&
tnode.is_serial_operator;
+}
Status SchemaScanOperatorX::init(const TPlanNode& tnode, RuntimeState* state) {
RETURN_IF_ERROR(Base::init(tnode, state));
diff --git a/regression-test/suites/query_p0/system/test_query_sys.groovy
b/regression-test/suites/query_p0/system/test_query_sys.groovy
index 7b6ca1027b4..b192a87ca30 100644
--- a/regression-test/suites/query_p0/system/test_query_sys.groovy
+++ b/regression-test/suites/query_p0/system/test_query_sys.groovy
@@ -54,4 +54,12 @@ suite("test_query_sys", "query,p0") {
sql "select * from http_stream('format'='csv');"
exception "No Alive backends"
}
+
+ // `workload_group_resource_usage` will be refresh 30s after BE startup so
sleep 30s to get a stable result
+ sleep(30000)
+ sql """set parallel_pipeline_task_num=8"""
+ def rows1 = sql """ select count(*) from
information_schema.workload_group_resource_usage; """
+ sql """set parallel_pipeline_task_num=1"""
+ def rows2 = sql """ select count(*) from
information_schema.workload_group_resource_usage; """
+ assertEquals(rows1, rows2)
}
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