sdd commented on code in PR #512:
URL: https://github.com/apache/iceberg-rust/pull/512#discussion_r1712263915
##########
crates/iceberg/src/scan.rs:
##########
@@ -199,298 +256,588 @@ impl<'a> TableScanBuilder<'a> {
field_ids.push(field_id);
}
- Ok(TableScan {
+ let snapshot_bound_predicate = if let Some(ref predicates) =
self.filter {
+ Some(predicates.bind(schema.clone(), true)?)
+ } else {
+ None
+ };
+
+ let plan_context = PlanContext {
snapshot,
- file_io: self.table.file_io().clone(),
table_metadata: self.table.metadata_ref(),
- column_names: self.column_names,
- field_ids,
- bound_predicates,
- schema,
- batch_size: self.batch_size,
+ snapshot_schema: schema,
case_sensitive: self.case_sensitive,
- filter: self.filter.map(Arc::new),
+ predicate: self.filter.map(Arc::new),
+ snapshot_bound_predicate: snapshot_bound_predicate.map(Arc::new),
+ object_cache: self.table.object_cache(),
+ field_ids: Arc::new(field_ids),
+ partition_filter_cache: Arc::new(PartitionFilterCache::new()),
+ manifest_evaluator_cache: Arc::new(ManifestEvaluatorCache::new()),
+ expression_evaluator_cache:
Arc::new(ExpressionEvaluatorCache::new()),
+ };
+
+ Ok(TableScan {
+ batch_size: self.batch_size,
+ column_names: self.column_names,
+ file_io: self.table.file_io().clone(),
+ plan_context,
+ table_scan_config: self.table_scan_config,
})
}
}
/// Table scan.
#[derive(Debug)]
pub struct TableScan {
- snapshot: SnapshotRef,
- table_metadata: TableMetadataRef,
+ plan_context: PlanContext,
+ batch_size: Option<usize>,
file_io: FileIO,
column_names: Vec<String>,
- field_ids: Vec<i32>,
- bound_predicates: Option<BoundPredicate>,
- schema: SchemaRef,
- batch_size: Option<usize>,
+ table_scan_config: TableScanConfig,
+}
+
+/// PlanContext wraps a [`SnapshotRef`] alongside all the other
+/// objects that are required to perform a scan file plan.
+#[derive(Debug)]
+struct PlanContext {
Review Comment:
This change is no longer in this PR after the rebase
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