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chore(explain): improve the explain stmt #18362

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18 changes: 18 additions & 0 deletions src/query/expression/src/utils/display.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1080,6 +1080,24 @@ impl<Index: ColumnIndex> Expr<Index> {

write_expr(self, 0)
}

pub fn typed_sql_display(&self) -> String {
#[recursive::recursive]
fn get_datatype<Index: ColumnIndex>(expr: &Expr<Index>) -> &DataType {
match expr {
Expr::Constant(Constant { data_type, .. }) => data_type,
Expr::ColumnRef(ColumnRef { data_type, .. }) => data_type,
Expr::Cast(Cast { expr, .. }) => get_datatype(expr.as_ref()),
Expr::FunctionCall(FunctionCall { return_type, .. }) => return_type,
Expr::LambdaFunctionCall(LambdaFunctionCall { return_type, .. }) => return_type,
}
}

match self {
Expr::Cast(_) => format!("{} FROM {}", self.sql_display(), get_datatype(self)),
_ => format!("{}: {}", self.sql_display(), get_datatype(self)),
}
}
}

impl<T: ValueType> Display for Value<T> {
Expand Down
40 changes: 20 additions & 20 deletions .../planner/optimizer/data/results/obfuscated/01_multi_join_avg_case_expression_physical.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,11 @@ Exchange
├── exchange type: Merge
└── EvalScalar
├── output columns: [sell_mnt = 0 (#170)]
├── expressions: [t.sell_mnt (#169) = 0]
├── expressions: [t.sell_mnt (#169) = 0: Boolean NULL]
├── estimated rows: 7119376617326129446912.00
└── EvalScalar
├── output columns: [sell_mnt (#169)]
├── expressions: [sum(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#167) / CAST(if(CAST(count(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#168) = 0 AS Boolean NULL), 1, count(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#168)) AS UInt64 NULL) + 3]
├── expressions: [sum(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#167) / CAST(if(CAST(count(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#168) = 0 AS Boolean NULL), 1, count(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#168)) AS UInt64 NULL) + 3: Float64 NULL]
├── estimated rows: 7119376617326129446912.00
└── AggregateFinal
├── output columns: [sum(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#167), count(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#168), a.a0d (#0), a.a0k (#7), a.a0m (#9), c.a5m (#144)]
Expand All @@ -16,31 +16,31 @@ Exchange
├── estimated rows: 7119376617326129446912.00
└── Exchange
├── output columns: [sum(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#167), count(CASE WHEN d.a1v = '603020' THEN 1 ELSE 0 END) (#168), a.a0d (#0), a.a0k (#7), a.a0m (#9), c.a5m (#144)]
├── exchange type: Hash(0, 1, 2, 3)
├── exchange type: Hash(0: String NULL, 1: String NULL, 2: String NULL, 3: String NULL)
└── AggregatePartial
├── group by: [a0d, a0k, a0m, a5m]
├── aggregate functions: [sum(sum_arg_0), count()]
├── estimated rows: 7119376617326129446912.00
└── EvalScalar
├── output columns: [a.a0d (#0), a.a0k (#7), a.a0m (#9), c.a5m (#144), sum_arg_0 (#166)]
├── expressions: [if(d.a1v (#154) = '603020', 1, 0)]
├── expressions: [if(d.a1v (#154) = '603020', 1, 0): UInt8]
├── estimated rows: 7119376617326129446912.00
└── HashJoin
├── output columns: [a.a0d (#0), a.a0k (#7), a.a0m (#9), d.a1v (#154), c.a5m (#144)]
├── join type: INNER
├── build keys: [c.a0m (#149)]
├── probe keys: [a.a0m (#9)]
├── build keys: [c.a0m (#149): String NULL]
├── probe keys: [a.a0m (#9): String NULL]
├── keys is null equal: [false]
├── filters: []
├── build join filters:
│ └── filter id:3, build key:c.a0m (#149), probe key:a.a0m (#9), filter type:inlist,min_max
│ └── filter id:3, build key:c.a0m (#149): String NULL, probe key:a.a0m (#9): String NULL, filter type:inlist,min_max
├── estimated rows: 7119376617326129446912.00
├── Exchange(Build)
│ ├── output columns: [c.a5m (#144), a0m (#149)]
│ ├── exchange type: Broadcast
│ └── EvalScalar
│ ├── output columns: [c.a5m (#144), a0m (#149)]
│ ├── expressions: [CAST(c.a0m (#74) AS String NULL)]
│ ├── expressions: [CAST(c.a0m (#74) AS String NULL) FROM String]
│ ├── estimated rows: 63773.60
│ └── TableScan
│ ├── table: default.default.a2x
Expand All @@ -49,18 +49,18 @@ Exchange
│ ├── read size: 0
│ ├── partitions total: 0
│ ├── partitions scanned: 0
│ ├── push downs: [filters: [is_true(substr(a2x.a4m (#118), 20, 1) = '1')], limit: NONE]
│ ├── push downs: [filters: [is_true(substr(a2x.a4m (#118), 20, 1) = '1'): Boolean], limit: NONE]
│ └── estimated rows: 63773.60
└── HashJoin(Probe)
├── output columns: [a.a0d (#0), a.a0k (#7), a.a0m (#9), d.a1v (#154)]
├── join type: INNER
├── build keys: [b.a0k (#48), b.a0n (#50)]
├── probe keys: [a.a0k (#7), a.a0n (#10)]
├── build keys: [b.a0k (#48): String NULL, b.a0n (#50): String NULL]
├── probe keys: [a.a0k (#7): String NULL, a.a0n (#10): String NULL]
├── keys is null equal: [false, false]
├── filters: [b.a2c (#52) <= a.a0d (#0), b.a2k (#61) > a.a0d (#0)]
├── filters: [b.a2c (#52) <= a.a0d (#0): Boolean NULL, b.a2k (#61) > a.a0d (#0): Boolean NULL]
├── build join filters:
│ ├── filter id:1, build key:b.a0k (#48), probe key:a.a0k (#7), filter type:inlist,min_max
│ └── filter id:2, build key:b.a0n (#50), probe key:a.a0n (#10), filter type:inlist,min_max
│ ├── filter id:1, build key:b.a0k (#48): String NULL, probe key:a.a0k (#7): String NULL, filter type:inlist,min_max
│ └── filter id:2, build key:b.a0n (#50): String NULL, probe key:a.a0n (#10): String NULL, filter type:inlist,min_max
├── estimated rows: 111635169056257280.00
├── Exchange(Build)
│ ├── output columns: [b.a0k (#48), b.a0n (#50), b.a2c (#52), b.a2k (#61)]
Expand All @@ -72,17 +72,17 @@ Exchange
│ ├── read size: 0
│ ├── partitions total: 0
│ ├── partitions scanned: 0
│ ├── push downs: [filters: [is_true(a1z.a2t (#70) = '624100')], limit: NONE]
│ ├── push downs: [filters: [is_true(a1z.a2t (#70) = '624100'): Boolean], limit: NONE]
│ └── estimated rows: 45493.85
└── HashJoin(Probe)
├── output columns: [a.a0d (#0), a.a0k (#7), a.a0m (#9), a.a0n (#10), d.a1v (#154)]
├── join type: INNER
├── build keys: [d.a5t (#151)]
├── probe keys: [a.a0l (#8)]
├── build keys: [d.a5t (#151): String NULL]
├── probe keys: [a.a0l (#8): String NULL]
├── keys is null equal: [false]
├── filters: []
├── build join filters:
│ └── filter id:0, build key:d.a5t (#151), probe key:a.a0l (#8), filter type:inlist,min_max
│ └── filter id:0, build key:d.a5t (#151): String NULL, probe key:a.a0l (#8): String NULL, filter type:inlist,min_max
├── estimated rows: 2453851765646.43
├── Exchange(Build)
│ ├── output columns: [d.a5t (#151), d.a1v (#154)]
Expand All @@ -94,7 +94,7 @@ Exchange
│ ├── read size: 0
│ ├── partitions total: 0
│ ├── partitions scanned: 0
│ ├── push downs: [filters: [is_true(substr(a5r.a5w (#156), 1, 1) = '1')], limit: NONE]
│ ├── push downs: [filters: [is_true(substr(a5r.a5w (#156), 1, 1) = '1'): Boolean], limit: NONE]
│ └── estimated rows: 806.60
└── TableScan(Probe)
├── table: default.default.a0c
Expand All @@ -103,7 +103,7 @@ Exchange
├── read size: 0
├── partitions total: 0
├── partitions scanned: 0
├── push downs: [filters: [and_filters(a0c.a0d (#0) >= '20240526', a0c.a0d (#0) <= '20250525')], limit: NONE]
├── push downs: [filters: [and_filters(a0c.a0d (#0) >= '20240526', a0c.a0d (#0) <= '20250525'): Boolean], limit: NONE]
├── apply join filters: [#3, #1, #2, #0]
└── estimated rows: 3042216421.58

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