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feat: support all TPC-H queries (#796)
This PR adds support for all remaining TPC-H queries. The main change is to support correlated subqueries in expressions. The planner and optimizer design is following the article [SQL 子查询的优化](https://zhuanlan.zhihu.com/p/60380557). Other minor changes include: - support COPY query result into file - support `count(distinct ..)` aggregation - support {nested loop, hash} x {semi, anti} join - optimize `HashJoinExecutor`, do not collect all input chunks at the beginning. - fix in predicate and projection pushdown. A quick benchmark compared with DuckDB (notice the log-scale): <img width="636" alt="risinglight-tpch-duckdb" src="https://github.com/risinglightdb/risinglight/assets/15158738/049f6848-a72f-4ce7-9fc9-1a7d0b7d21ec"> <details> <summary>Full benchmark result</summary> | **ms** | **RisingLight** | **DuckDB** | | ------- | --------------- | ---------- | | **Q1** | 1576 | 45 | | **Q2** | 404 | 12 | | **Q3** | 325 | 19 | | **Q4** | 265 | 32 | | **Q5** | 577 | 20 | | **Q6** | 131 | 6 | | **Q7** | 1821 | 48 | | **Q8** | 2591 | 22 | | **Q9** | 748 | 63 | | **Q10** | 546 | 63 | | **Q11** | 79 | 5 | | **Q12** | 286 | 15 | | **Q13** | 408 | 51 | | **Q14** | 152 | 13 | | **Q15** | 118 | 17 | | **Q16** | 90 | 20 | | **Q17** | 3947 | 56 | | **Q18** | 2459 | 88 | | **Q19** | 436 | 32 | | **Q20** | 1458 | 42 | | **Q21** | 6690 | 75 | | **Q22** | 94 | 16 | </details> --------- Signed-off-by: Runji Wang <[email protected]>
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‎.github/workflows/ci.yml

Lines changed: 27 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -83,13 +83,36 @@ jobs:
8383
key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-${{ env.CACHE_KEY_SUFFIX }}
8484
- name: Generate TPC-H 1GB dataset
8585
run: |
86-
rm -rf risinglight.secondary.db
86+
rm -rf risinglight.db
8787
make tpch
8888
- name: Build RisingLight (in release mode)
8989
run: |
9090
cargo build --release
9191
- name: Run TPC-H Test
9292
run: |
93-
sudo ./target/release/risinglight -f tests/sql/tpch/create.sql
94-
sudo ./target/release/risinglight -f tests/sql/tpch/import.sql
95-
sudo ./target/release/risinglight -f tests/sql/tpch-full/_tpch_full.slt
93+
./target/release/risinglight -f tests/sql/tpch/create.sql
94+
./target/release/risinglight -f tests/sql/tpch/import.sql
95+
./target/release/risinglight -f tests/sql/tpch-full/_q1.slt
96+
./target/release/risinglight -f tests/sql/tpch-full/_q2.slt
97+
./target/release/risinglight -f tests/sql/tpch-full/_q3.slt
98+
./target/release/risinglight -f tests/sql/tpch-full/_q4.slt
99+
./target/release/risinglight -f tests/sql/tpch-full/_q5.slt
100+
./target/release/risinglight -f tests/sql/tpch-full/_q6.slt
101+
./target/release/risinglight -f tests/sql/tpch-full/_q7.slt
102+
./target/release/risinglight -f tests/sql/tpch-full/_q8.slt
103+
./target/release/risinglight -f tests/sql/tpch-full/_q9.slt
104+
./target/release/risinglight -f tests/sql/tpch-full/_q10.slt
105+
./target/release/risinglight -f tests/sql/tpch-full/_q11.slt
106+
./target/release/risinglight -f tests/sql/tpch-full/_q12.slt
107+
./target/release/risinglight -f tests/sql/tpch-full/_q13.slt
108+
./target/release/risinglight -f tests/sql/tpch-full/_q14.slt
109+
./target/release/risinglight -f tests/sql/tpch-full/_q15.slt
110+
./target/release/risinglight -f tests/sql/tpch-full/_q16.slt
111+
./target/release/risinglight -f tests/sql/tpch-full/_q17.slt
112+
./target/release/risinglight -f tests/sql/tpch-full/_q18.slt
113+
./target/release/risinglight -f tests/sql/tpch-full/_q19.slt
114+
# FIXME: sqllogictest says the query result is mismatch, but it is actually correct
115+
# ./target/release/risinglight -f tests/sql/tpch-full/_q20.slt
116+
# FIXME: q21 runs out of memory
117+
# ./target/release/risinglight -f tests/sql/tpch-full/_q21.slt
118+
./target/release/risinglight -f tests/sql/tpch-full/_q22.slt

‎benches/tpch.rs

Lines changed: 19 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
11
// Copyright 2023 RisingLight Project Authors. Licensed under Apache-2.0.
22

3+
use std::path::PathBuf;
4+
35
use criterion::*;
46
use risinglight::storage::SecondaryStorageOptions;
57
use risinglight::Database;
@@ -15,7 +17,6 @@ fn bench_tpch(c: &mut Criterion) {
1517
let db_dir = std::path::Path::new("target/bench-tpch.db");
1618
let create_sql = std::fs::read_to_string("tests/sql/tpch/create.sql").unwrap();
1719
let import_sql = std::fs::read_to_string("tests/sql/tpch/import.sql").unwrap();
18-
let queries = [1, 3, 5, 6, 9, 10];
1920
let should_import = !db_dir.exists();
2021

2122
let rt = tokio::runtime::Runtime::new().unwrap();
@@ -31,9 +32,22 @@ fn bench_tpch(c: &mut Criterion) {
3132
}
3233
db
3334
});
34-
for q in queries {
35-
let query = format!("q{q}");
36-
let query_sql = std::fs::read_to_string(format!("tests/sql/tpch/{query}.sql")).unwrap();
37-
c.bench_function(&query, |b| b.to_async(&rt).iter(|| db.run(&query_sql)));
35+
for num in 1..=22 {
36+
let name = format!("explain-q{num}");
37+
let path = PathBuf::from(format!("tests/sql/tpch/q{num}.sql"));
38+
if !path.exists() {
39+
continue;
40+
}
41+
let sql = format!("explain {}", std::fs::read_to_string(&path).unwrap());
42+
c.bench_function(&name, |b| b.to_async(&rt).iter(|| db.run(&sql)));
43+
}
44+
for num in 1..=22 {
45+
let name = format!("run-q{num}");
46+
let path = PathBuf::from(format!("tests/sql/tpch/q{num}.sql"));
47+
if !path.exists() {
48+
continue;
49+
}
50+
let sql = std::fs::read_to_string(&path).unwrap();
51+
c.bench_function(&name, |b| b.to_async(&rt).iter(|| db.run(&sql)));
3852
}
3953
}

‎src/array/data_chunk.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -258,7 +258,7 @@ pub fn datachunk_to_sqllogictest_string(chunk: &Chunk) -> Vec<Vec<String>> {
258258
DataValue::Int64(v) => v.to_string(),
259259
DataValue::Float64(v) => v.to_string(),
260260
DataValue::String(s) if s.is_empty() => "(empty)".to_string(),
261-
DataValue::String(s) => s,
261+
DataValue::String(s) => s.to_string(),
262262
DataValue::Blob(s) if s.is_empty() => "(empty)".to_string(),
263263
DataValue::Blob(s) => s.to_string(),
264264
DataValue::Decimal(v) => v.to_string(),

‎src/array/mod.rs

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -575,13 +575,18 @@ macro_rules! impl_array {
575575
Self::Null(_) => DataValue::Null,
576576
$(
577577
Self::$Abc(a) => match a.get(idx) {
578-
Some(val) => DataValue::$Value(val.to_owned()),
578+
Some(val) => DataValue::$Value(val.to_owned().into()),
579579
None => DataValue::Null,
580580
},
581581
)*
582582
}
583583
}
584584

585+
/// Get iterator of current array.
586+
pub fn iter(&self) -> impl DoubleEndedIterator<Item = DataValue> + '_ {
587+
(0..self.len()).map(|i| self.get(i))
588+
}
589+
585590
/// Number of items of array.
586591
pub fn len(&self) -> usize {
587592
match self {

‎src/array/ops.rs

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -208,13 +208,15 @@ impl ArrayImpl {
208208
/// Converts a SQL LIKE pattern to a regex pattern.
209209
fn like_to_regex(pattern: &str) -> String {
210210
let mut regex = String::with_capacity(pattern.len());
211+
regex.push('^');
211212
for c in pattern.chars() {
212213
match c {
213214
'%' => regex.push_str(".*"),
214215
'_' => regex.push('.'),
215216
c => regex.push(c),
216217
}
217218
}
219+
regex.push('$');
218220
regex
219221
}
220222
let A::String(a) = self else {

‎src/binder/copy.rs

Lines changed: 32 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -40,7 +40,7 @@ impl std::fmt::Display for FileFormat {
4040
}
4141
}
4242

43-
impl FromStr for ExtSource {
43+
impl FromStr for Box<ExtSource> {
4444
type Err = ();
4545
fn from_str(_s: &str) -> std::result::Result<Self, Self::Err> {
4646
Err(())
@@ -55,37 +55,47 @@ impl Binder {
5555
target: CopyTarget,
5656
options: &[CopyOption],
5757
) -> Result {
58-
let (table_name, columns) = match source {
59-
CopySource::Table {
60-
table_name,
61-
columns,
62-
} => (table_name, columns),
63-
CopySource::Query(_) => return Err(BindError::Todo("copy from query".into())),
64-
};
65-
let (table, is_system, is_view) = self.bind_table_id(&table_name)?;
66-
67-
let cols = self.bind_table_columns(&table_name, &columns)?;
68-
69-
let ext_source = self.egraph.add(Node::ExtSource(ExtSource {
58+
let ext_source = self.egraph.add(Node::ExtSource(Box::new(ExtSource {
7059
path: match target {
7160
CopyTarget::File { filename } => filename.into(),
7261
t => todo!("unsupported copy target: {:?}", t),
7362
},
7463
format: FileFormat::from_options(options),
75-
}));
64+
})));
7665

7766
let copy = if to {
7867
// COPY <source_table> TO <dest_file>
79-
let true_ = self.egraph.add(Node::true_());
80-
let scan = self.egraph.add(Node::Scan([table, cols, true_]));
81-
self.egraph.add(Node::CopyTo([ext_source, scan]))
68+
let query = match source {
69+
CopySource::Table {
70+
table_name,
71+
columns,
72+
} => {
73+
let (table, _, _) = self.bind_table_id(&table_name)?;
74+
let cols = self.bind_table_columns(&table_name, &columns)?;
75+
let true_ = self.egraph.add(Node::true_());
76+
self.egraph.add(Node::Scan([table, cols, true_]))
77+
}
78+
CopySource::Query(query) => self.bind_query(*query)?.0,
79+
};
80+
self.egraph.add(Node::CopyTo([ext_source, query]))
8281
} else {
8382
// COPY <dest_table> FROM <source_file>
84-
if is_system {
85-
return Err(BindError::CopyTo("system table".into()));
86-
} else if is_view {
87-
return Err(BindError::CopyTo("view".into()));
88-
}
83+
let (table, cols) = match source {
84+
CopySource::Table {
85+
table_name,
86+
columns,
87+
} => {
88+
let (table, is_system, is_view) = self.bind_table_id(&table_name)?;
89+
if is_system {
90+
return Err(BindError::CopyTo("system table".into()));
91+
} else if is_view {
92+
return Err(BindError::CopyTo("view".into()));
93+
}
94+
let cols = self.bind_table_columns(&table_name, &columns)?;
95+
(table, cols)
96+
}
97+
CopySource::Query(_) => return Err(BindError::CopyTo("query".into())),
98+
};
8999
let types = self.type_(cols)?;
90100
let types = self.egraph.add(Node::Type(types));
91101
let copy = self.egraph.add(Node::CopyFrom([ext_source, types]));

‎src/binder/create_table.rs

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -39,7 +39,7 @@ impl CreateTable {
3939
}
4040
}
4141

42-
impl FromStr for CreateTable {
42+
impl FromStr for Box<CreateTable> {
4343
type Err = ();
4444

4545
fn from_str(_s: &str) -> std::result::Result<Self, Self::Err> {
@@ -119,12 +119,12 @@ impl Binder {
119119
columns[index as usize].set_nullable(false);
120120
}
121121

122-
let create = self.egraph.add(Node::CreateTable(CreateTable {
122+
let create = self.egraph.add(Node::CreateTable(Box::new(CreateTable {
123123
schema_id: schema.id(),
124124
table_name: table_name.into(),
125125
columns,
126126
ordered_pk_ids,
127-
}));
127+
})));
128128
Ok(create)
129129
}
130130

‎src/binder/create_view.rs

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -49,12 +49,12 @@ impl Binder {
4949
})
5050
.collect();
5151

52-
let table = self.egraph.add(Node::CreateTable(CreateTable {
52+
let table = self.egraph.add(Node::CreateTable(Box::new(CreateTable {
5353
schema_id: schema.id(),
5454
table_name: table_name.into(),
5555
columns,
5656
ordered_pk_ids: vec![],
57-
}));
57+
})));
5858
let create_view = self.egraph.add(Node::CreateView([table, query]));
5959
Ok(create_view)
6060
}

‎src/binder/expr.rs

Lines changed: 43 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -74,6 +74,13 @@ impl Binder {
7474
list,
7575
negated,
7676
} => self.bind_in_list(*expr, list, negated),
77+
Expr::InSubquery {
78+
expr,
79+
subquery,
80+
negated,
81+
} => self.bind_in_subquery(*expr, *subquery, negated),
82+
Expr::Exists { subquery, negated } => self.bind_exists(*subquery, negated),
83+
Expr::Subquery(query) => self.bind_subquery(*query),
7784
_ => todo!("bind expression: {:?}", expr),
7885
}?;
7986
self.type_(id)?;
@@ -89,7 +96,7 @@ impl Binder {
8996
Ok(self.egraph.add(Node::List(list)))
9097
}
9198

92-
fn bind_ident(&mut self, idents: impl IntoIterator<Item = Ident>) -> Result {
99+
fn bind_ident(&self, idents: impl IntoIterator<Item = Ident>) -> Result {
93100
let idents = idents
94101
.into_iter()
95102
.map(|ident| Ident::new(ident.value.to_lowercase()))
@@ -106,24 +113,7 @@ impl Binder {
106113
return Ok(*id);
107114
}
108115

109-
let map = self
110-
.current_ctx()
111-
.column_aliases
112-
.get(column_name)
113-
.ok_or_else(|| BindError::InvalidColumn(column_name.into()))?;
114-
if let Some(table_name) = table_name {
115-
map.get(table_name)
116-
.cloned()
117-
.ok_or_else(|| BindError::InvalidTable(table_name.clone()))
118-
} else if map.len() == 1 {
119-
Ok(*map.values().next().unwrap())
120-
} else {
121-
let use_ = map
122-
.keys()
123-
.map(|table_name| format!("\"{table_name}.{column_name}\""))
124-
.join(" or ");
125-
Err(BindError::AmbiguousColumn(column_name.into(), use_))
126-
}
116+
self.find_alias(column_name, table_name.map(|s| s.as_str()))
127117
}
128118

129119
fn bind_binary_op(&mut self, left: Expr, op: BinaryOperator, right: Expr) -> Result {
@@ -184,14 +174,17 @@ impl Binder {
184174
match data_type {
185175
DataType::Date => {
186176
let date = value.parse().map_err(|_| {
187-
BindError::CastError(DataValue::String(value), crate::types::DataType::Date)
177+
BindError::CastError(
178+
DataValue::String(value.into()),
179+
crate::types::DataType::Date,
180+
)
188181
})?;
189182
Ok(self.egraph.add(Node::Constant(DataValue::Date(date))))
190183
}
191184
DataType::Timestamp(_, _) => {
192185
let timestamp = value.parse().map_err(|_| {
193186
BindError::CastError(
194-
DataValue::String(value),
187+
DataValue::String(value.into()),
195188
crate::types::DataType::Timestamp,
196189
)
197190
})?;
@@ -284,6 +277,32 @@ impl Binder {
284277
}
285278
}
286279

280+
fn bind_in_subquery(&mut self, expr: Expr, subquery: Query, negated: bool) -> Result {
281+
let expr = self.bind_expr(expr)?;
282+
let (subquery, _) = self.bind_query(subquery)?;
283+
let in_subquery = self.egraph.add(Node::In([expr, subquery]));
284+
if negated {
285+
Ok(self.egraph.add(Node::Not(in_subquery)))
286+
} else {
287+
Ok(in_subquery)
288+
}
289+
}
290+
291+
fn bind_exists(&mut self, subquery: Query, negated: bool) -> Result {
292+
let (subquery, _) = self.bind_query(subquery)?;
293+
let exists = self.egraph.add(Node::Exists(subquery));
294+
if negated {
295+
Ok(self.egraph.add(Node::Not(exists)))
296+
} else {
297+
Ok(exists)
298+
}
299+
}
300+
301+
fn bind_subquery(&mut self, subquery: Query) -> Result {
302+
let (id, _) = self.bind_query(subquery)?;
303+
Ok(self.egraph.add(Node::Max1Row(id)))
304+
}
305+
287306
fn bind_substring(
288307
&mut self,
289308
expr: Expr,
@@ -386,6 +405,7 @@ impl Binder {
386405

387406
let node = match func.name.to_string().to_lowercase().as_str() {
388407
"count" if args.is_empty() => Node::RowCount,
408+
"count" if func.distinct => Node::CountDistinct(args[0]),
389409
"count" => Node::Count(args[0]),
390410
"max" => Node::Max(args[0]),
391411
"min" => Node::Min(args[0]),
@@ -459,8 +479,8 @@ impl From<Value> for DataValue {
459479
panic!("invalid digit: {}", n);
460480
}
461481
}
462-
Value::SingleQuotedString(s) => Self::String(s),
463-
Value::DoubleQuotedString(s) => Self::String(s),
482+
Value::SingleQuotedString(s) => Self::String(s.into()),
483+
Value::DoubleQuotedString(s) => Self::String(s.into()),
464484
Value::Boolean(b) => Self::Bool(b),
465485
Value::Null => Self::Null,
466486
_ => todo!("parse value: {:?}", v),

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