avantgardnerio commented on code in PR #5835:
URL: https://github.com/apache/arrow-datafusion/pull/5835#discussion_r1155399901
##########
datafusion/sql/src/statement.rs:
##########
@@ -128,69 +128,91 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
if_not_exists,
or_replace,
..
- } if constraints.is_empty()
- && table_properties.is_empty()
- && with_options.is_empty() =>
- {
- match query {
- Some(query) => {
- let plan = self.query_to_plan(*query,
planner_context)?;
- let input_schema = plan.schema();
-
- let plan = if !columns.is_empty() {
- let schema =
self.build_schema(columns)?.to_dfschema_ref()?;
- if schema.fields().len() !=
input_schema.fields().len() {
- return Err(DataFusionError::Plan(format!(
+ } if table_properties.is_empty() && with_options.is_empty() =>
match query {
+ Some(query) => {
+ let plan = self.query_to_plan(*query, planner_context)?;
+ let input_schema = plan.schema();
+
+ let plan = if !columns.is_empty() {
+ let schema =
self.build_schema(columns)?.to_dfschema_ref()?;
+ if schema.fields().len() !=
input_schema.fields().len() {
+ return Err(DataFusionError::Plan(format!(
"Mismatch: {} columns specified, but result has {}
columns",
schema.fields().len(),
input_schema.fields().len()
)));
- }
- let input_fields = input_schema.fields();
- let project_exprs = schema
- .fields()
- .iter()
- .zip(input_fields)
- .map(|(field, input_field)| {
- cast(
- col(input_field.name()),
- field.data_type().clone(),
- )
+ }
+ let input_fields = input_schema.fields();
+ let project_exprs = schema
+ .fields()
+ .iter()
+ .zip(input_fields)
+ .map(|(field, input_field)| {
+ cast(col(input_field.name()),
field.data_type().clone())
.alias(field.name())
- })
- .collect::<Vec<_>>();
- LogicalPlanBuilder::from(plan.clone())
- .project(project_exprs)?
- .build()?
- } else {
- plan
- };
-
- Ok(LogicalPlan::CreateMemoryTable(CreateMemoryTable {
- name: self.object_name_to_table_reference(name)?,
- input: Arc::new(plan),
- if_not_exists,
- or_replace,
- }))
- }
+ })
+ .collect::<Vec<_>>();
+ LogicalPlanBuilder::from(plan.clone())
+ .project(project_exprs)?
+ .build()?
+ } else {
+ plan
+ };
+
+ Ok(LogicalPlan::CreateMemoryTable(CreateMemoryTable {
+ name: self.object_name_to_table_reference(name)?,
+ primary_key: vec![],
+ input: Arc::new(plan),
+ if_not_exists,
+ or_replace,
+ }))
+ }
- None => {
- let schema =
self.build_schema(columns)?.to_dfschema_ref()?;
- let plan = EmptyRelation {
- produce_one_row: false,
- schema,
- };
- let plan = LogicalPlan::EmptyRelation(plan);
-
- Ok(LogicalPlan::CreateMemoryTable(CreateMemoryTable {
- name: self.object_name_to_table_reference(name)?,
- input: Arc::new(plan),
- if_not_exists,
- or_replace,
- }))
- }
+ None => {
+ let pk: Option<Vec<Ident>> = constraints
+ .iter()
+ .filter_map(|c: &TableConstraint| match c {
+ TableConstraint::Unique {
+ columns,
+ is_primary,
+ ..
+ } => match is_primary {
+ true => Some(columns),
+ false => None,
+ },
+ TableConstraint::ForeignKey { .. } => None,
+ TableConstraint::Check { .. } => None,
+ TableConstraint::Index { .. } => None,
+ TableConstraint::FulltextOrSpatial { .. } => None,
Review Comment:
Should I throw the original error if these are set?
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