SchemalessPartitionSpec

Author: c-thiel

crates/catalog/memory/src/catalog.rs

@@ -355,7 +355,7 @@ mod tests {
 
         assert_eq!(metadata.current_schema().as_ref(), expected_schema);
 
-        let expected_partition_spec = PartitionSpec::builder(expected_schema)
+        let expected_partition_spec = PartitionSpec::builder((*expected_schema).clone())
             .with_spec_id(0)
             .build()
             .unwrap();
@@ -365,7 +365,7 @@ mod tests {
                 .partition_specs_iter()
                 .map(|p| p.as_ref())
                 .collect_vec(),
-            vec![&expected_partition_spec]
+            vec![&expected_partition_spec.into_schemaless()]
         );
 
         let expected_sorted_order = SortOrder::builder()

crates/iceberg/src/expr/visitors/expression_evaluator.rs

@@ -504,10 +504,10 @@ mod test {
 
     #[test]
     fn test_data_file_no_partitions() {
-        let (table_schema_ref, _partition_spec_ref) = create_test_schema_and_partition_spec();
+        let partition_spec_ref = create_test_partition_spec();
 
         let partition_filter = Predicate::AlwaysTrue
-            .bind(table_schema_ref.clone(), false)
+            .bind(partition_spec_ref.schema_ref().clone(), false)
             .unwrap();
 
         let case_sensitive = false;
@@ -1645,7 +1645,7 @@ mod test {
         assert!(result, "Should read: NotIn on no nulls column");
     }
 
-    fn create_test_schema_and_partition_spec() -> (Arc<Schema>, Arc<PartitionSpec>) {
+    fn create_test_partition_spec() -> Arc<PartitionSpec> {
         let table_schema = Schema::builder()
             .with_fields(vec![Arc::new(NestedField::optional(
                 1,
@@ -1656,7 +1656,7 @@ mod test {
             .unwrap();
         let table_schema_ref = Arc::new(table_schema);
 
-        let partition_spec = PartitionSpec::builder(&table_schema_ref)
+        let partition_spec = PartitionSpec::builder(table_schema_ref.clone())
             .with_spec_id(1)
             .add_unbound_fields(vec![UnboundPartitionField::builder()
                 .source_id(1)
@@ -1667,8 +1667,7 @@ mod test {
             .unwrap()
             .build()
             .unwrap();
-        let partition_spec_ref = Arc::new(partition_spec);
-        (table_schema_ref, partition_spec_ref)
+        Arc::new(partition_spec)
     }
 
     fn not_null(reference: &str) -> BoundPredicate {

crates/iceberg/src/expr/visitors/inclusive_metrics_evaluator.rs

@@ -21,16 +21,16 @@ use fnv::FnvHashSet;
 
 use crate::expr::visitors::bound_predicate_visitor::{visit, BoundPredicateVisitor};
 use crate::expr::{BoundPredicate, BoundReference, Predicate};
-use crate::spec::{Datum, PartitionField, PartitionSpecRef};
+use crate::spec::{Datum, PartitionField, SchemalessPartitionSpecRef};
 use crate::Error;
 
 pub(crate) struct InclusiveProjection {
-    partition_spec: PartitionSpecRef,
+    partition_spec: SchemalessPartitionSpecRef,
     cached_parts: HashMap<i32, Vec<PartitionField>>,
 }
 
 impl InclusiveProjection {
-    pub(crate) fn new(partition_spec: PartitionSpecRef) -> Self {
+    pub(crate) fn new(partition_spec: SchemalessPartitionSpecRef) -> Self {
         Self {
             partition_spec,
             cached_parts: HashMap::new(),
@@ -235,7 +235,7 @@ mod tests {
     use crate::expr::visitors::inclusive_projection::InclusiveProjection;
     use crate::expr::{Bind, Predicate, Reference};
     use crate::spec::{
-        Datum, NestedField, PartitionField, PartitionSpec, PrimitiveType, Schema, Transform, Type,
+        Datum, NestedField, PartitionSpec, PrimitiveType, Schema, Transform, Type,
         UnboundPartitionField,
     };
 
@@ -265,13 +265,14 @@ mod tests {
     #[test]
     fn test_inclusive_projection_logic_ops() {
         let schema = build_test_schema();
+        let arc_schema = Arc::new(schema);
 
-        let partition_spec = PartitionSpec::builder(&schema)
+        let partition_spec = PartitionSpec::builder(arc_schema.clone())
             .with_spec_id(1)
             .build()
-            .unwrap();
+            .unwrap()
+            .into_schemaless();
 
-        let arc_schema = Arc::new(schema);
         let arc_partition_spec = Arc::new(partition_spec);
 
         // this predicate contains only logic operators,
@@ -295,8 +296,9 @@ mod tests {
     #[test]
     fn test_inclusive_projection_identity_transform() {
         let schema = build_test_schema();
+        let arc_schema = Arc::new(schema);
 
-        let partition_spec = PartitionSpec::builder(&schema)
+        let partition_spec = PartitionSpec::builder(arc_schema.clone())
             .with_spec_id(1)
             .add_unbound_field(
                 UnboundPartitionField::builder()
@@ -308,9 +310,9 @@ mod tests {
             )
             .unwrap()
             .build()
-            .unwrap();
+            .unwrap()
+            .into_schemaless();
 
-        let arc_schema = Arc::new(schema);
         let arc_partition_spec = Arc::new(partition_spec);
 
         let unbound_predicate = Reference::new("a").less_than(Datum::int(10));
@@ -321,7 +323,7 @@ mod tests {
         // should result in the same Predicate as the original
         // `unbound_predicate`, since we have just a single partition field,
         // and it has an Identity transform
-        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec.clone());
+        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec);
         let result = inclusive_projection.project(&bound_predicate).unwrap();
 
         let expected = "a < 10".to_string();
@@ -330,34 +332,95 @@ mod tests {
     }
 
     #[test]
-    fn test_inclusive_projection_date_transforms() {
+    fn test_inclusive_projection_date_year_transform() {
         let schema = build_test_schema();
+        let arc_schema = Arc::new(schema);
+
+        let partition_spec = PartitionSpec::builder(arc_schema.clone())
+            .with_spec_id(1)
+            .add_unbound_fields(vec![UnboundPartitionField {
+                source_id: 2,
+                name: "year".to_string(),
+                field_id: Some(1000),
+                transform: Transform::Year,
+            }])
+            .unwrap()
+            .build()
+            .unwrap()
+            .into_schemaless();
+
+        let arc_partition_spec = Arc::new(partition_spec);
+
+        let unbound_predicate =
+            Reference::new("date").less_than(Datum::date_from_str("2024-01-01").unwrap());
+
+        let bound_predicate = unbound_predicate.bind(arc_schema.clone(), false).unwrap();
+
+        // applying InclusiveProjection to bound_predicate
+        // should result in a predicate that correctly handles
+        // year, month and date
+        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec);
+        let result = inclusive_projection.project(&bound_predicate).unwrap();
+
+        let expected = "year <= 53".to_string();
+
+        assert_eq!(result.to_string(), expected);
+    }
+
+    #[test]
+    fn test_inclusive_projection_date_month_transform() {
+        let schema = build_test_schema();
+        let arc_schema = Arc::new(schema);
+
+        let partition_spec = PartitionSpec::builder(arc_schema.clone())
+            .with_spec_id(1)
+            .add_unbound_fields(vec![UnboundPartitionField {
+                source_id: 2,
+                name: "month".to_string(),
+                field_id: Some(1000),
+                transform: Transform::Month,
+            }])
+            .unwrap()
+            .build()
+            .unwrap()
+            .into_schemaless();
+
+        let arc_partition_spec = Arc::new(partition_spec);
+
+        let unbound_predicate =
+            Reference::new("date").less_than(Datum::date_from_str("2024-01-01").unwrap());
+
+        let bound_predicate = unbound_predicate.bind(arc_schema.clone(), false).unwrap();
 
-        let partition_spec = PartitionSpec {
-            spec_id: 1,
-            fields: vec![
-                PartitionField {
-                    source_id: 2,
-                    name: "year".to_string(),
-                    field_id: 1000,
-                    transform: Transform::Year,
-                },
-                PartitionField {
-                    source_id: 2,
-                    name: "month".to_string(),
-                    field_id: 1001,
-                    transform: Transform::Month,
-                },
-                PartitionField {
-                    source_id: 2,
-                    name: "day".to_string(),
-                    field_id: 1002,
-                    transform: Transform::Day,
-                },
-            ],
-        };
+        // applying InclusiveProjection to bound_predicate
+        // should result in a predicate that correctly handles
+        // year, month and date
+        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec);
+        let result = inclusive_projection.project(&bound_predicate).unwrap();
+
+        let expected = "month <= 647".to_string();
+
+        assert_eq!(result.to_string(), expected);
+    }
 
+    #[test]
+    fn test_inclusive_projection_date_day_transform() {
+        let schema = build_test_schema();
         let arc_schema = Arc::new(schema);
+
+        let partition_spec = PartitionSpec::builder(arc_schema.clone())
+            .with_spec_id(1)
+            .add_unbound_fields(vec![UnboundPartitionField {
+                source_id: 2,
+                name: "day".to_string(),
+                field_id: Some(1000),
+                transform: Transform::Day,
+            }])
+            .unwrap()
+            .build()
+            .unwrap()
+            .into_schemaless();
+
         let arc_partition_spec = Arc::new(partition_spec);
 
         let unbound_predicate =
@@ -368,19 +431,20 @@ mod tests {
         // applying InclusiveProjection to bound_predicate
         // should result in a predicate that correctly handles
         // year, month and date
-        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec.clone());
+        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec);
         let result = inclusive_projection.project(&bound_predicate).unwrap();
 
-        let expected = "((year <= 53) AND (month <= 647)) AND (day <= 19722)".to_string();
+        let expected = "day <= 19722".to_string();
 
         assert_eq!(result.to_string(), expected);
     }
 
     #[test]
     fn test_inclusive_projection_truncate_transform() {
         let schema = build_test_schema();
+        let arc_schema = Arc::new(schema);
 
-        let partition_spec = PartitionSpec::builder(&schema)
+        let partition_spec = PartitionSpec::builder(arc_schema.clone())
             .with_spec_id(1)
             .add_unbound_field(
                 UnboundPartitionField::builder()
@@ -392,9 +456,9 @@ mod tests {
             )
             .unwrap()
             .build()
-            .unwrap();
+            .unwrap()
+            .into_schemaless();
 
-        let arc_schema = Arc::new(schema);
         let arc_partition_spec = Arc::new(partition_spec);
 
         let unbound_predicate = Reference::new("name").starts_with(Datum::string("Testy McTest"));
@@ -408,7 +472,7 @@ mod tests {
         // name that start with "Testy McTest" into a partition
         // for values of name that start with the first four letters
         // of that, ie "Test".
-        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec.clone());
+        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec);
         let result = inclusive_projection.project(&bound_predicate).unwrap();
 
         let expected = "name_truncate STARTS WITH \"Test\"".to_string();
@@ -419,8 +483,9 @@ mod tests {
     #[test]
     fn test_inclusive_projection_bucket_transform() {
         let schema = build_test_schema();
+        let arc_schema = Arc::new(schema);
 
-        let partition_spec = PartitionSpec::builder(&schema)
+        let partition_spec = PartitionSpec::builder(arc_schema.clone())
             .with_spec_id(1)
             .add_unbound_field(
                 UnboundPartitionField::builder()
@@ -432,9 +497,9 @@ mod tests {
             )
             .unwrap()
             .build()
-            .unwrap();
+            .unwrap()
+            .into_schemaless();
 
-        let arc_schema = Arc::new(schema);
         let arc_partition_spec = Arc::new(partition_spec);
 
         let unbound_predicate = Reference::new("a").equal_to(Datum::int(10));
@@ -445,7 +510,7 @@ mod tests {
         // should result in the "a = 10" predicate being
         // transformed into "a = 2", since 10 gets bucketed
         // to 2 with a Bucket(7) partition
-        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec.clone());
+        let mut inclusive_projection = InclusiveProjection::new(arc_partition_spec);
         let result = inclusive_projection.project(&bound_predicate).unwrap();
 
         let expected = "a_bucket[7] = 2".to_string();

crates/iceberg/src/expr/visitors/inclusive_projection.rs

@@ -262,7 +262,7 @@ mod tests {
             )
             .write(Manifest::new(
                 ManifestMetadata::builder()
-                    .schema((*current_schema).clone())
+                    .schema(current_schema.clone())
                     .content(ManifestContentType::Data)
                     .format_version(FormatVersion::V2)
                     .partition_spec((**current_partition_spec).clone())

crates/iceberg/src/io/object_cache.rs

@@ -706,7 +706,7 @@ impl PartitionFilterCache {
         &self,
         spec_id: i32,
         table_metadata: &TableMetadataRef,
-        schema: &SchemaRef,
+        schema: &Schema,
         case_sensitive: bool,
         filter: BoundPredicate,
     ) -> Result<Arc<BoundPredicate>> {
@@ -732,11 +732,11 @@ impl PartitionFilterCache {
                 format!("Could not find partition spec for id {}", spec_id),
             ))?;
 
-        let partition_type = partition_spec.partition_type(schema.as_ref())?;
+        let partition_type = partition_spec.partition_type(schema)?;
         let partition_fields = partition_type.fields().to_owned();
         let partition_schema = Arc::new(
             Schema::builder()
-                .with_schema_id(partition_spec.spec_id)
+                .with_schema_id(partition_spec.spec_id())
                 .with_fields(partition_fields)
                 .build()?,
         );
@@ -1057,7 +1057,7 @@ mod tests {
             )
             .write(Manifest::new(
                 ManifestMetadata::builder()
-                    .schema((*current_schema).clone())
+                    .schema(current_schema.clone())
                     .content(ManifestContentType::Data)
                     .format_version(FormatVersion::V2)
                     .partition_spec((**current_partition_spec).clone())