uqa-execution 0.5.0

Volcano physical operators with row-batch pipelines
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//
// Unified Query Algebra
//
// Copyright (c) 2023-2026 Cognica, Inc.
//

use super::{CatalogReadView, RelationNameResolution};
use std::sync::Arc;
use uqa_sql::catalog::analysis::{AnalysisCatalog, TableDefinition, ViewDefinition};
use uqa_sql::{ColumnType, SQLError};

impl AnalysisCatalog for CatalogReadView {
    fn relation_dependency(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<u32>, SQLError> {
        let Some((canonical, kind)) = self
            .relation_kind_resolution(resolution, name)?
            .into_found()
        else {
            return Ok(None);
        };
        super::projection::resolved_relation_oid(self, resolution, &canonical, kind)
            .and_then(|oid| {
                u32::try_from(oid)
                    .map_err(|_| SQLError::Internal(format!("invalid relation OID {oid}")))
            })
            .map(Some)
    }

    fn prepared_dependency_snapshot(
        &self,
        dependencies: &uqa_sql::prepared::dependencies::PreparedAnalysisDependencies,
    ) -> Result<Option<uqa_sql::prepared::dependencies::PreparedDependencySnapshot>, SQLError> {
        super::prepared_dependencies::capture(self, dependencies).map(Some)
    }

    fn effective_search_path(
        &self,
        resolution: &RelationNameResolution,
    ) -> Result<Option<uqa_sql::catalog::resolution::EffectiveSearchPath>, SQLError> {
        let role = &resolution.current_user;
        Ok(Some(uqa_sql::catalog::resolution::EffectiveSearchPath {
            schemas: super::namespaces::current_schema_names(self, resolution, role, true),
            creation_namespace: super::namespaces::current_schema_name(self, resolution, role),
        }))
    }

    fn table_resolved(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<TableDefinition>, SQLError> {
        CatalogReadView::table_resolved(self, resolution, name).map(|table| {
            table.map(|table| TableDefinition {
                columns: table.columns.clone(),
                columns_declared: table.columns_declared,
            })
        })
    }

    fn table_name_resolved(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<String>, SQLError> {
        CatalogReadView::table_name_resolved(self, resolution, name)
    }

    fn view_resolved(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<ViewDefinition>, SQLError> {
        CatalogReadView::view_resolved(self, resolution, name).map(|view| {
            view.map(|view| ViewDefinition {
                query: view.query.clone(),
                output_columns: view.output_columns.clone(),
                materialized: view.kind == crate::catalog::view::StoredViewKind::Materialized,
                materialized_column_types: view.materialized_column_types.clone(),
            })
        })
    }

    fn foreign_table_resolved(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<TableDefinition>, SQLError> {
        CatalogReadView::foreign_table_resolved(self, resolution, name).map(|table| {
            table.map(|table| TableDefinition {
                columns: Arc::new(table.columns.clone()),
                columns_declared: true,
            })
        })
    }

    fn sequence_exists(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<bool, SQLError> {
        CatalogReadView::sequence_resolved(self, resolution, name)
            .map(|sequence| sequence.is_some())
    }

    fn virtual_relation_schema(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<Vec<(String, ColumnType)>>, SQLError> {
        super::schema::virtual_relation_schema(self, resolution, name)
    }

    fn sql_functions(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<Vec<Arc<uqa_sql::routines::SQLUserFunction>>>, SQLError> {
        CatalogReadView::sql_functions(self, resolution, name)
    }

    fn unopenable_relation(
        &self,
        resolution: &RelationNameResolution,
        name: &str,
    ) -> Result<Option<uqa_sql::catalog::analysis::UnopenableRelation>, SQLError> {
        Ok(
            match self
                .relation_kind_resolution(resolution, name)?
                .into_found()
            {
                Some((canonical, "composite type")) => {
                    let relation = uqa_core::RelationIdentity::from_legacy_name(&canonical)
                        .map_err(SQLError::Internal)?;
                    Some(uqa_sql::catalog::analysis::UnopenableRelation {
                        name: relation.name,
                        kinds: "composite types",
                    })
                }
                _ => None,
            },
        )
    }
}