16970635821

Committed 14 Aug 2025 04:13PM UTC coverage: 85.882% (-1.8%) from 87.693%

Build # 16970635821

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Pull #4215

github

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web-flow

Commit Message

Merge 5182504a6 into f547cbca5

Pull Request Pull Request #4215: Ji/vectors

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98.56

/vortex-expr/src/lib.rs

// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright the Vortex contributors

use std::any::Any;
use std::fmt::{Debug, Display, Formatter};
use std::hash::{Hash, Hasher};
use std::sync::Arc;

use dyn_hash::DynHash;
pub use exprs::*;
pub mod aliases;
mod analysis;
#[cfg(feature = "arbitrary")]
pub mod arbitrary;
pub mod dyn_traits;
mod encoding;
mod exprs;
mod field;
pub mod forms;
pub mod proto;
pub mod pruning;
mod registry;
mod scope;
mod scope_vars;
pub mod transform;
pub mod traversal;
mod vtable;

pub use analysis::*;
pub use between::*;
pub use binary::*;
pub use cast::*;
pub use encoding::*;
pub use get_item::*;
pub use is_null::*;
pub use like::*;
pub use list_contains::*;
pub use literal::*;
pub use merge::*;
pub use not::*;
pub use operators::*;
pub use pack::*;
pub use registry::*;
pub use root::*;
pub use scope::*;
pub use select::*;
use vortex_array::{Array, ArrayRef, SerializeMetadata};
use vortex_dtype::{DType, FieldName, FieldPath};
use vortex_error::{VortexExpect, VortexResult, VortexUnwrap, vortex_bail};
use vortex_utils::aliases::hash_set::HashSet;
pub use vtable::*;

use crate::dyn_traits::DynEq;
use crate::traversal::{NodeExt, ReferenceCollector};

pub trait IntoExpr {
    /// Convert this type into an expression reference.
    fn into_expr(self) -> ExprRef;
}

pub type ExprRef = Arc<dyn VortexExpr>;

/// Represents logical operation on [`ArrayRef`]s
pub trait VortexExpr:
    'static + Send + Sync + Debug + Display + DynEq + DynHash + private::Sealed + AnalysisExpr
{
    /// Convert expression reference to reference of [`Any`] type
    fn as_any(&self) -> &dyn Any;

    /// Convert the expression to an [`ExprRef`].
    fn to_expr(&self) -> ExprRef;

    /// Return the encoding of the expression.
    fn encoding(&self) -> ExprEncodingRef;

    /// Serialize the metadata of this expression into a bytes vector.
    ///
    /// Returns `None` if the expression does not support serialization.
    fn metadata(&self) -> Option<Vec<u8>> {
        None
    }

    /// Compute result of expression on given batch producing a new batch
    ///
    /// "Unchecked" means that this function lacks a debug assertion that the returned array matches
    /// the [VortexExpr::return_dtype] method. Use instead the
    /// [`VortexExpr::evaluate`](./trait.VortexExpr.html#method.evaluate).
    /// function which includes such an assertion.
    fn unchecked_evaluate(&self, ctx: &Scope) -> VortexResult<ArrayRef>;

    /// Returns the children of this expression.
    fn children(&self) -> Vec<&ExprRef>;

    /// Returns a new instance of this expression with the children replaced.
    fn with_children(self: Arc<Self>, children: Vec<ExprRef>) -> VortexResult<ExprRef>;

    /// Compute the type of the array returned by
    /// [`VortexExpr::evaluate`](./trait.VortexExpr.html#method.evaluate).
    fn return_dtype(&self, scope: &DType) -> VortexResult<DType>;
}

dyn_hash::hash_trait_object!(VortexExpr);

impl PartialEq for dyn VortexExpr {
    fn eq(&self, other: &Self) -> bool {
        self.dyn_eq(other.as_any())
    }
}

impl Eq for dyn VortexExpr {}

impl dyn VortexExpr + '_ {
    pub fn id(&self) -> ExprId {
        self.encoding().id()
    }

    pub fn is<V: VTable>(&self) -> bool {
        self.as_opt::<V>().is_some()
    }

    pub fn as_<V: VTable>(&self) -> &V::Expr {
        self.as_opt::<V>()
            .vortex_expect("Expr is not of the expected type")
    }

    pub fn as_opt<V: VTable>(&self) -> Option<&V::Expr> {
        VortexExpr::as_any(self)
            .downcast_ref::<ExprAdapter<V>>()
            .map(|e| &e.0)
    }

    /// Compute result of expression on given batch producing a new batch
    pub fn evaluate(&self, scope: &Scope) -> VortexResult<ArrayRef> {
        let result = self.unchecked_evaluate(scope)?;
        assert_eq!(
            result.dtype(),
            &self.return_dtype(scope.dtype())?,
            "Expression {} returned dtype {} but declared return_dtype of {}",
            self,
            result.dtype(),
            self.return_dtype(scope.dtype())?,
        );
        Ok(result)
    }
}

pub trait VortexExprExt {
    /// Accumulate all field references from this expression and its children in a set
    fn field_references(&self) -> HashSet<FieldName>;
}

impl VortexExprExt for ExprRef {
    fn field_references(&self) -> HashSet<FieldName> {
        let mut collector = ReferenceCollector::new();
        // The collector is infallible, so we can unwrap the result
        self.accept(&mut collector).vortex_unwrap();
        collector.into_fields()
    }
}

#[derive(Clone)]
#[repr(transparent)]
pub struct ExprAdapter<V: VTable>(V::Expr);

impl<V: VTable> VortexExpr for ExprAdapter<V> {
    fn as_any(&self) -> &dyn Any {
        self
    }

    fn to_expr(&self) -> ExprRef {
        Arc::new(ExprAdapter::<V>(self.0.clone()))
    }

    fn encoding(&self) -> ExprEncodingRef {
        V::encoding(&self.0)
    }

    fn metadata(&self) -> Option<Vec<u8>> {
        V::metadata(&self.0).map(|m| m.serialize())
    }

    fn unchecked_evaluate(&self, ctx: &Scope) -> VortexResult<ArrayRef> {
        V::evaluate(&self.0, ctx)
    }

    fn children(&self) -> Vec<&ExprRef> {
        V::children(&self.0)
    }

    fn with_children(self: Arc<Self>, children: Vec<ExprRef>) -> VortexResult<ExprRef> {
        if self.children().len() != children.len() {
            vortex_bail!(
                "Expected {} children, got {}",
                self.children().len(),
                children.len()
            );
        }
        Ok(V::with_children(&self.0, children)?.to_expr())
    }

    fn return_dtype(&self, scope: &DType) -> VortexResult<DType> {
        V::return_dtype(&self.0, scope)
    }
}

impl<V: VTable> Debug for ExprAdapter<V> {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        Debug::fmt(&self.0, f)
    }
}

impl<V: VTable> Display for ExprAdapter<V> {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        Display::fmt(&self.0, f)
    }
}

impl<V: VTable> PartialEq for ExprAdapter<V> {
    fn eq(&self, other: &Self) -> bool {
        PartialEq::eq(&self.0, &other.0)
    }
}

impl<V: VTable> Eq for ExprAdapter<V> {}

impl<V: VTable> Hash for ExprAdapter<V> {
    fn hash<H: Hasher>(&self, state: &mut H) {
        Hash::hash(&self.0, state);
    }
}

impl<V: VTable> AnalysisExpr for ExprAdapter<V> {
    fn stat_falsification(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {
        <V::Expr as AnalysisExpr>::stat_falsification(&self.0, catalog)
    }

    fn max(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {
        <V::Expr as AnalysisExpr>::max(&self.0, catalog)
    }

    fn min(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {
        <V::Expr as AnalysisExpr>::min(&self.0, catalog)
    }

    fn nan_count(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {
        <V::Expr as AnalysisExpr>::nan_count(&self.0, catalog)
    }

    fn field_path(&self) -> Option<FieldPath> {
        <V::Expr as AnalysisExpr>::field_path(&self.0)
    }
}

mod private {
    use super::*;

    pub trait Sealed {}

    impl<V: VTable> Sealed for ExprAdapter<V> {}
}

/// Splits top level and operations into separate expressions
pub fn split_conjunction(expr: &ExprRef) -> Vec<ExprRef> {
    let mut conjunctions = vec![];
    split_inner(expr, &mut conjunctions);
    conjunctions
}

fn split_inner(expr: &ExprRef, exprs: &mut Vec<ExprRef>) {
    match expr.as_opt::<BinaryVTable>() {
        Some(bexp) if bexp.op() == Operator::And => {
            split_inner(bexp.lhs(), exprs);
            split_inner(bexp.rhs(), exprs);
        }
        Some(_) | None => {
            exprs.push(expr.clone());
        }
    }
}

/// An expression wrapper that performs pointer equality.
#[derive(Clone)]
pub struct ExactExpr(pub ExprRef);

impl PartialEq for ExactExpr {
    fn eq(&self, other: &Self) -> bool {
        Arc::ptr_eq(&self.0, &other.0)
    }
}

impl Eq for ExactExpr {}

impl Hash for ExactExpr {
    fn hash<H: Hasher>(&self, state: &mut H) {
        Arc::as_ptr(&self.0).hash(state)
    }
}

#[cfg(feature = "test-harness")]
pub mod test_harness {

    use vortex_dtype::{DType, Nullability, PType, StructFields};

    pub fn struct_dtype() -> DType {
        DType::Struct(
            StructFields::new(
                ["a", "col1", "col2", "bool1", "bool2"].into(),
                vec![
                    DType::Primitive(PType::I32, Nullability::NonNullable),
                    DType::Primitive(PType::U16, Nullability::Nullable),
                    DType::Primitive(PType::U16, Nullability::Nullable),
                    DType::Bool(Nullability::NonNullable),
                    DType::Bool(Nullability::NonNullable),
                ],
            ),
            Nullability::NonNullable,
        )
    }
}

#[cfg(test)]
mod tests {
    use vortex_dtype::{DType, FieldNames, Nullability, PType, StructFields};
    use vortex_scalar::Scalar;

    use super::*;

    #[test]
    fn basic_expr_split_test() {
        let lhs = get_item("col1", root());
        let rhs = lit(1);
        let expr = eq(lhs, rhs);
        let conjunction = split_conjunction(&expr);
        assert_eq!(conjunction.len(), 1);
    }

    #[test]
    fn basic_conjunction_split_test() {
        let lhs = get_item("col1", root());
        let rhs = lit(1);
        let expr = and(lhs, rhs);
        let conjunction = split_conjunction(&expr);
        assert_eq!(conjunction.len(), 2, "Conjunction is {conjunction:?}");
    }

    #[test]
    fn expr_display() {
        assert_eq!(col("a").to_string(), "$.a");
        assert_eq!(root().to_string(), "$");

        let col1: Arc<dyn VortexExpr> = col("col1");
        let col2: Arc<dyn VortexExpr> = col("col2");
        assert_eq!(
            and(col1.clone(), col2.clone()).to_string(),
            "($.col1 and $.col2)"
        );
        assert_eq!(
            or(col1.clone(), col2.clone()).to_string(),
            "($.col1 or $.col2)"
        );
        assert_eq!(
            eq(col1.clone(), col2.clone()).to_string(),
            "($.col1 = $.col2)"
        );
        assert_eq!(
            not_eq(col1.clone(), col2.clone()).to_string(),
            "($.col1 != $.col2)"
        );
        assert_eq!(
            gt(col1.clone(), col2.clone()).to_string(),
            "($.col1 > $.col2)"
        );
        assert_eq!(
            gt_eq(col1.clone(), col2.clone()).to_string(),
            "($.col1 >= $.col2)"
        );
        assert_eq!(
            lt(col1.clone(), col2.clone()).to_string(),
            "($.col1 < $.col2)"
        );
        assert_eq!(
            lt_eq(col1.clone(), col2.clone()).to_string(),
            "($.col1 <= $.col2)"
        );

        assert_eq!(
            or(
                lt(col1.clone(), col2.clone()),
                not_eq(col1.clone(), col2.clone()),
            )
            .to_string(),
            "(($.col1 < $.col2) or ($.col1 != $.col2))"
        );

        assert_eq!(not(col1.clone()).to_string(), "(!$.col1)");

        assert_eq!(
            select(vec![FieldName::from("col1")], root()).to_string(),
            "${col1}"
        );
        assert_eq!(
            select(
                vec![FieldName::from("col1"), FieldName::from("col2")],
                root()
            )
            .to_string(),
            "${col1, col2}"
        );
        assert_eq!(
            select_exclude(
                vec![FieldName::from("col1"), FieldName::from("col2")],
                root()
            )
            .to_string(),
            "$~{col1, col2}"
        );

        assert_eq!(lit(Scalar::from(0u8)).to_string(), "0u8");
        assert_eq!(lit(Scalar::from(0.0f32)).to_string(), "0f32");
        assert_eq!(
            lit(Scalar::from(i64::MAX)).to_string(),
            "9223372036854775807i64"
        );
        assert_eq!(lit(Scalar::from(true)).to_string(), "true");
        assert_eq!(
            lit(Scalar::null(DType::Bool(Nullability::Nullable))).to_string(),
            "null"
        );

        assert_eq!(
            lit(Scalar::struct_(
                DType::Struct(
                    StructFields::new(
                        FieldNames::from(["dog", "cat"]),
                        vec![
                            DType::Primitive(PType::U32, Nullability::NonNullable),
                            DType::Utf8(Nullability::NonNullable)
                        ],
                    ),
                    Nullability::NonNullable
                ),
                vec![Scalar::from(32_u32), Scalar::from("rufus".to_string())]
            ))
            .to_string(),
            "{dog: 32u32, cat: \"rufus\"}"
        );
    }
}

1	// SPDX-License-Identifier: Apache-2.0
2	// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4	use std::any::Any;
5	use std::fmt::{Debug, Display, Formatter};
6	use std::hash::{Hash, Hasher};
7	use std::sync::Arc;
8
9	use dyn_hash::DynHash;
10	pub use exprs::*;
11	pub mod aliases;
12	mod analysis;
13	#[cfg(feature = "arbitrary")]
14	pub mod arbitrary;
15	pub mod dyn_traits;
16	mod encoding;
17	mod exprs;
18	mod field;
19	pub mod forms;
20	pub mod proto;
21	pub mod pruning;
22	mod registry;
23	mod scope;
24	mod scope_vars;
25	pub mod transform;
26	pub mod traversal;
27	mod vtable;
28
29	pub use analysis::*;
30	pub use between::*;
31	pub use binary::*;
32	pub use cast::*;
33	pub use encoding::*;
34	pub use get_item::*;
35	pub use is_null::*;
36	pub use like::*;
37	pub use list_contains::*;
38	pub use literal::*;
39	pub use merge::*;
40	pub use not::*;
41	pub use operators::*;
42	pub use pack::*;
43	pub use registry::*;
44	pub use root::*;
45	pub use scope::*;
46	pub use select::*;
47	use vortex_array::{Array, ArrayRef, SerializeMetadata};
48	use vortex_dtype::{DType, FieldName, FieldPath};
49	use vortex_error::{VortexExpect, VortexResult, VortexUnwrap, vortex_bail};
50	use vortex_utils::aliases::hash_set::HashSet;
51	pub use vtable::*;
52
53	use crate::dyn_traits::DynEq;
54	use crate::traversal::{NodeExt, ReferenceCollector};
55
56	pub trait IntoExpr {
57	/// Convert this type into an expression reference.
58	fn into_expr(self) -> ExprRef;
59	}
60
61	pub type ExprRef = Arc<dyn VortexExpr>;
62
63	/// Represents logical operation on [`ArrayRef`]s
64	pub trait VortexExpr:
65	'static + Send + Sync + Debug + Display + DynEq + DynHash + private::Sealed + AnalysisExpr
66	{
67	/// Convert expression reference to reference of [`Any`] type
68	fn as_any(&self) -> &dyn Any;
69
70	/// Convert the expression to an [`ExprRef`].
71	fn to_expr(&self) -> ExprRef;
72
73	/// Return the encoding of the expression.
74	fn encoding(&self) -> ExprEncodingRef;
75
76	/// Serialize the metadata of this expression into a bytes vector.
77	///
78	/// Returns `None` if the expression does not support serialization.
79	fn metadata(&self) -> Option<Vec<u8>> {
80	None
81	}	×
82
83	/// Compute result of expression on given batch producing a new batch
84	///
85	/// "Unchecked" means that this function lacks a debug assertion that the returned array matches
86	/// the [VortexExpr::return_dtype] method. Use instead the
87	/// [`VortexExpr::evaluate`](./trait.VortexExpr.html#method.evaluate).
88	/// function which includes such an assertion.
89	fn unchecked_evaluate(&self, ctx: &Scope) -> VortexResult<ArrayRef>;
90
91	/// Returns the children of this expression.
92	fn children(&self) -> Vec<&ExprRef>;
93
94	/// Returns a new instance of this expression with the children replaced.
95	fn with_children(self: Arc<Self>, children: Vec<ExprRef>) -> VortexResult<ExprRef>;
96
97	/// Compute the type of the array returned by
98	/// [`VortexExpr::evaluate`](./trait.VortexExpr.html#method.evaluate).
99	fn return_dtype(&self, scope: &DType) -> VortexResult<DType>;
100	}
101
102	dyn_hash::hash_trait_object!(VortexExpr);
103
104	impl PartialEq for dyn VortexExpr {
105	fn eq(&self, other: &Self) -> bool {	175,195✔
106	self.dyn_eq(other.as_any())	175,195✔
107	}	175,195✔
108	}
109
110	impl Eq for dyn VortexExpr {}
111
112	impl dyn VortexExpr + '_ {	62✔
113	pub fn id(&self) -> ExprId {	179✔
114	self.encoding().id()	179✔
115	}	117✔
116
117	pub fn is<V: VTable>(&self) -> bool {	79,381✔
118	self.as_opt::<V>().is_some()	79,381✔
119	}	79,381✔
120
UNCOV 121	pub fn as_<V: VTable>(&self) -> &V::Expr {	×
UNCOV 122	self.as_opt::<V>()	×
123	.vortex_expect("Expr is not of the expected type")
124	}	24✔
125		24✔
126	pub fn as_opt<V: VTable>(&self) -> Option<&V::Expr> {	880,561✔
127	VortexExpr::as_any(self)	880,537✔
128	.downcast_ref::<ExprAdapter<V>>()	880,537✔
129	.map(\|e\| &e.0)	880,537✔
130	}	880,537✔
131
132	/// Compute result of expression on given batch producing a new batch
133	pub fn evaluate(&self, scope: &Scope) -> VortexResult<ArrayRef> {	15,520✔
134	let result = self.unchecked_evaluate(scope)?;	15,520✔
135	assert_eq!(	15,519✔
136	result.dtype(),	15,519✔
137	&self.return_dtype(scope.dtype())?,	15,519✔
138	"Expression {} returned dtype {} but declared return_dtype of {}",
139	self,
140	result.dtype(),	6✔
141	self.return_dtype(scope.dtype())?,	6✔
142	);	6✔
143	Ok(result)	15,233✔
144	}	15,234✔
145	}
146
147	pub trait VortexExprExt {
148	/// Accumulate all field references from this expression and its children in a set
149	fn field_references(&self) -> HashSet<FieldName>;
150	}	6✔
151		6✔
152	impl VortexExprExt for ExprRef {
153	fn field_references(&self) -> HashSet<FieldName> {
154	let mut collector = ReferenceCollector::new();
155	// The collector is infallible, so we can unwrap the result
156	self.accept(&mut collector).vortex_unwrap();
157	collector.into_fields()
158	}
159	}
160
161	#[derive(Clone)]
162	#[repr(transparent)]
163	pub struct ExprAdapter<V: VTable>(V::Expr);
164
165	impl<V: VTable> VortexExpr for ExprAdapter<V> {
166	fn as_any(&self) -> &dyn Any {	1,055,550✔
167	self	1,055,550✔
168	}	1,055,550✔
169
170	fn to_expr(&self) -> ExprRef {	16,194✔
171	Arc::new(ExprAdapter::<V>(self.0.clone()))	16,194✔
172	}	16,194✔
173		354✔
174	fn encoding(&self) -> ExprEncodingRef {	471✔
175	V::encoding(&self.0)	471✔
176	}	117✔
177		6✔
178	fn metadata(&self) -> Option<Vec<u8>> {	123✔
179	V::metadata(&self.0).map(\|m\| m.serialize())	123✔
180	}	117✔
181
182	fn unchecked_evaluate(&self, ctx: &Scope) -> VortexResult<ArrayRef> {	73,630✔
183	V::evaluate(&self.0, ctx)	73,630✔
184	}	73,630✔
185
186	fn children(&self) -> Vec<&ExprRef> {	669,871✔
187	V::children(&self.0)	669,871✔
188	}	669,871✔
189		22✔
190	fn with_children(self: Arc<Self>, children: Vec<ExprRef>) -> VortexResult<ExprRef> {	16,216✔
191	if self.children().len() != children.len() {	16,216✔
192	vortex_bail!(
193	"Expected {} children, got {}",	228✔
194	self.children().len(),	228✔
195	children.len()	228✔
196	);
197	}	16,200✔
198	Ok(V::with_children(&self.0, children)?.to_expr())	16,200✔
199	}	16,194✔
200
201	fn return_dtype(&self, scope: &DType) -> VortexResult<DType> {	124,364✔
202	V::return_dtype(&self.0, scope)	124,364✔
203	}	124,364✔
204	}	6✔
205		6✔
206	impl<V: VTable> Debug for ExprAdapter<V> {	6✔
207	fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
208	Debug::fmt(&self.0, f)	40✔
209	}	40✔
210	}	40✔
211
212	impl<V: VTable> Display for ExprAdapter<V> {
213	fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {	102✔
214	Display::fmt(&self.0, f)	102✔
215	}	102✔
216	}
217
218	impl<V: VTable> PartialEq for ExprAdapter<V> {
219	fn eq(&self, other: &Self) -> bool {	152,479✔
220	PartialEq::eq(&self.0, &other.0)	152,479✔
221	}	152,479✔
222	}
223
224	impl<V: VTable> Eq for ExprAdapter<V> {}
225
226	impl<V: VTable> Hash for ExprAdapter<V> {
227	fn hash<H: Hasher>(&self, state: &mut H) {	262,673✔
228	Hash::hash(&self.0, state);	262,673✔
229	}	262,673✔
230	}
231
232	impl<V: VTable> AnalysisExpr for ExprAdapter<V> {
233	fn stat_falsification(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {	2,068✔
234	<V::Expr as AnalysisExpr>::stat_falsification(&self.0, catalog)	2,068✔
235	}	2,068✔
236
237	fn max(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {	1,613✔
238	<V::Expr as AnalysisExpr>::max(&self.0, catalog)	1,613✔
239	}	1,613✔
240
241	fn min(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {	1,680✔
242	<V::Expr as AnalysisExpr>::min(&self.0, catalog)	1,680✔
243	}	1,680✔
244
245	fn nan_count(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef> {	1,984✔
246	<V::Expr as AnalysisExpr>::nan_count(&self.0, catalog)	1,984✔
247	}	1,984✔
248
249	fn field_path(&self) -> Option<FieldPath> {	1,337✔
250	<V::Expr as AnalysisExpr>::field_path(&self.0)	1,337✔
251	}	1,337✔
252	}
253
254	mod private {
255	use super::*;
256
257	pub trait Sealed {}
258
259	impl<V: VTable> Sealed for ExprAdapter<V> {}
260	}
261
262	/// Splits top level and operations into separate expressions
263	pub fn split_conjunction(expr: &ExprRef) -> Vec<ExprRef> {	2✔
264	let mut conjunctions = vec![];	2✔
265	split_inner(expr, &mut conjunctions);	2✔
266	conjunctions	2✔
267	}	2✔
268
269	fn split_inner(expr: &ExprRef, exprs: &mut Vec<ExprRef>) {	4✔
270	match expr.as_opt::<BinaryVTable>() {	4✔
271	Some(bexp) if bexp.op() == Operator::And => {	2✔
272	split_inner(bexp.lhs(), exprs);	1✔
273	split_inner(bexp.rhs(), exprs);	1✔
274	}	1✔
275	Some(_) \| None => {	3✔
276	exprs.push(expr.clone());	3✔
277	}	3✔
278	}
279	}	4✔
280
281	/// An expression wrapper that performs pointer equality.
282	#[derive(Clone)]
283	pub struct ExactExpr(pub ExprRef);
284
285	impl PartialEq for ExactExpr {
286	fn eq(&self, other: &Self) -> bool {	11,721✔
287	Arc::ptr_eq(&self.0, &other.0)	11,721✔
288	}	11,721✔
289	}
290
291	impl Eq for ExactExpr {}
292
293	impl Hash for ExactExpr {
294	fn hash<H: Hasher>(&self, state: &mut H) {	17,348✔
295	Arc::as_ptr(&self.0).hash(state)	17,348✔
296	}	17,348✔
297	}
298
299	#[cfg(feature = "test-harness")]
300	pub mod test_harness {
301
302	use vortex_dtype::{DType, Nullability, PType, StructFields};
303
304	pub fn struct_dtype() -> DType {	6✔
305	DType::Struct(	6✔
306	StructFields::new(	6✔
307	["a", "col1", "col2", "bool1", "bool2"].into(),	6✔
308	vec![	10✔
309	DType::Primitive(PType::I32, Nullability::NonNullable),	10✔
310	DType::Primitive(PType::U16, Nullability::Nullable),	10✔
311	DType::Primitive(PType::U16, Nullability::Nullable),	6✔
312	DType::Bool(Nullability::NonNullable),	6✔
313	DType::Bool(Nullability::NonNullable),	6✔
314	],	6✔
315	),	6✔
316	Nullability::NonNullable,	6✔
317	)	6✔
318	}	6✔
319	}
320
321	#[cfg(test)]
322	mod tests {
323	use vortex_dtype::{DType, FieldNames, Nullability, PType, StructFields};
324	use vortex_scalar::Scalar;
325
326	use super::*;
327
328	#[test]
329	fn basic_expr_split_test() {	1✔
330	let lhs = get_item("col1", root());	1✔
331	let rhs = lit(1);	1✔
332	let expr = eq(lhs, rhs);	1✔
333	let conjunction = split_conjunction(&expr);	1✔
334	assert_eq!(conjunction.len(), 1);	1✔
335	}	1✔
336
337	#[test]
338	fn basic_conjunction_split_test() {	1✔
339	let lhs = get_item("col1", root());	1✔
340	let rhs = lit(1);	1✔
341	let expr = and(lhs, rhs);	1✔
342	let conjunction = split_conjunction(&expr);	1✔
343	assert_eq!(conjunction.len(), 2, "Conjunction is {conjunction:?}");	1✔
344	}	1✔
345
346	#[test]
347	fn expr_display() {	1✔
348	assert_eq!(col("a").to_string(), "$.a");	1✔
349	assert_eq!(root().to_string(), "$");	1✔
350
351	let col1: Arc<dyn VortexExpr> = col("col1");	1✔
352	let col2: Arc<dyn VortexExpr> = col("col2");	1✔
353	assert_eq!(	1✔
354	and(col1.clone(), col2.clone()).to_string(),	1✔
355	"($.col1 and $.col2)"
356	);
357	assert_eq!(	1✔
358	or(col1.clone(), col2.clone()).to_string(),	1✔
359	"($.col1 or $.col2)"
360	);
361	assert_eq!(	1✔
362	eq(col1.clone(), col2.clone()).to_string(),	1✔
363	"($.col1 = $.col2)"
364	);
365	assert_eq!(	1✔
366	not_eq(col1.clone(), col2.clone()).to_string(),	1✔
367	"($.col1 != $.col2)"
368	);
369	assert_eq!(	1✔
370	gt(col1.clone(), col2.clone()).to_string(),	1✔
371	"($.col1 > $.col2)"
372	);
373	assert_eq!(	1✔
374	gt_eq(col1.clone(), col2.clone()).to_string(),	1✔
375	"($.col1 >= $.col2)"
376	);
377	assert_eq!(	1✔
378	lt(col1.clone(), col2.clone()).to_string(),	1✔
379	"($.col1 < $.col2)"
380	);
381	assert_eq!(	1✔
382	lt_eq(col1.clone(), col2.clone()).to_string(),	1✔
383	"($.col1 <= $.col2)"
384	);
385
386	assert_eq!(	1✔
387	or(	1✔
388	lt(col1.clone(), col2.clone()),	1✔
389	not_eq(col1.clone(), col2.clone()),	1✔
390	)	1✔
391	.to_string(),	1✔
392	"(($.col1 < $.col2) or ($.col1 != $.col2))"
393	);
394
395	assert_eq!(not(col1.clone()).to_string(), "(!$.col1)");	1✔
396
397	assert_eq!(	1✔
398	select(vec![FieldName::from("col1")], root()).to_string(),	1✔
399	"${col1}"
400	);
401	assert_eq!(	1✔
402	select(	1✔
403	vec![FieldName::from("col1"), FieldName::from("col2")],	1✔
404	root()	1✔
405	)	1✔
406	.to_string(),	1✔
407	"${col1, col2}"
408	);
409	assert_eq!(	1✔
410	select_exclude(	1✔
411	vec![FieldName::from("col1"), FieldName::from("col2")],	1✔
412	root()	1✔
413	)	1✔
414	.to_string(),	1✔
415	"$~{col1, col2}"
416	);
417
418	assert_eq!(lit(Scalar::from(0u8)).to_string(), "0u8");	1✔
419	assert_eq!(lit(Scalar::from(0.0f32)).to_string(), "0f32");	1✔
420	assert_eq!(	1✔
421	lit(Scalar::from(i64::MAX)).to_string(),	1✔
422	"9223372036854775807i64"
423	);
424	assert_eq!(lit(Scalar::from(true)).to_string(), "true");	1✔
425	assert_eq!(	1✔
426	lit(Scalar::null(DType::Bool(Nullability::Nullable))).to_string(),	1✔
427	"null"
428	);
429
430	assert_eq!(	1✔
431	lit(Scalar::struct_(	1✔
432	DType::Struct(	1✔
433	StructFields::new(	1✔
434	FieldNames::from(["dog", "cat"]),	1✔
435	vec![	1✔
436	DType::Primitive(PType::U32, Nullability::NonNullable),	1✔
437	DType::Utf8(Nullability::NonNullable)	1✔
438	],	1✔
439	),	1✔
440	Nullability::NonNullable	1✔
441	),	1✔
442	vec![Scalar::from(32_u32), Scalar::from("rufus".to_string())]	1✔
443	))	1✔
444	.to_string(),	1✔
445	"{dog: 32u32, cat: \"rufus\"}"
446	);
447	}	1✔
448	}

vortex-data / vortex / 16970635821

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