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Implement tree explain for UnionExec #15278

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Merged
merged 1 commit into from
Mar 17, 2025
Merged

Implement tree explain for UnionExec #15278

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5 changes: 1 addition & 4 deletions datafusion/physical-plan/src/union.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -157,10 +157,7 @@ impl DisplayAs for UnionExec {
DisplayFormatType::Default | DisplayFormatType::Verbose => {
write!(f, "UnionExec")
}
DisplayFormatType::TreeRender => {
// TODO: collect info
write!(f, "")
}
DisplayFormatType::TreeRender => Ok(()),
}
}
}
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30 changes: 30 additions & 0 deletions datafusion/sqllogictest/test_files/explain_tree.slt
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Expand Up @@ -1541,6 +1541,32 @@ physical_plan
71)│ rows: 1 ││ rows: 1 │
72)└───────────────────────────┘└───────────────────────────┘

# Test explain tree for UnionExec
query TT
EXPLAIN
SELECT id, name FROM t1
UNION ALL
SELECT id, name FROM t2;
----
physical_plan
01)┌───────────────────────────┐
02)│ UnionExec ├──────────────┐
03)└─────────────┬─────────────┘ │
04)┌─────────────┴─────────────┐┌─────────────┴─────────────┐
05)│ DataSourceExec ││ ProjectionExec │
06)│ -------------------- ││ -------------------- │
07)│ bytes: 1320 ││ id: CAST(id AS Int32) │
08)│ format: memory ││ name: name │
09)│ rows: 1 ││ │
10)└───────────────────────────┘└─────────────┬─────────────┘
11)-----------------------------┌─────────────┴─────────────┐
12)-----------------------------│ DataSourceExec │
13)-----------------------------│ -------------------- │
14)-----------------------------│ bytes: 1312 │
15)-----------------------------│ format: memory │
16)-----------------------------│ rows: 1 │
17)-----------------------------└───────────────────────────┘

# cleanup
statement ok
drop table t1;
Expand Down Expand Up @@ -2000,6 +2026,10 @@ physical_plan
58)│ rows: 1 │
59)└───────────────────────────┘

# clean up
statement ok
drop table t1;

# Test explain tree for LazyMemoryExec
query TT
EXPLAIN SELECT * FROM generate_series(1, 100)
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