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Posted to commits@arrow.apache.org by av...@apache.org on 2023/01/24 20:15:41 UTC
[arrow-datafusion] branch master updated: Ensure insert projections are of correct type (#5049)
This is an automated email from the ASF dual-hosted git repository.
avantgardner pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/arrow-datafusion.git
The following commit(s) were added to refs/heads/master by this push:
new c313601b5 Ensure insert projections are of correct type (#5049)
c313601b5 is described below
commit c313601b5ae47dc2fd7618d6a6d89947fdbca99b
Author: Brent Gardner <bg...@squarelabs.net>
AuthorDate: Tue Jan 24 13:15:36 2023 -0700
Ensure insert projections are of correct type (#5049)
* Ensure insert projections are of correct type
---
datafusion/sql/src/statement.rs | 21 +++++++++++++--------
datafusion/sql/tests/integration_test.rs | 2 +-
2 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/datafusion/sql/src/statement.rs b/datafusion/sql/src/statement.rs
index fb50ef7bc..2d7791dd5 100644
--- a/datafusion/sql/src/statement.rs
+++ b/datafusion/sql/src/statement.rs
@@ -35,8 +35,8 @@ use datafusion_expr::utils::expr_to_columns;
use datafusion_expr::{
cast, col, CreateCatalog, CreateCatalogSchema,
CreateExternalTable as PlanCreateExternalTable, CreateMemoryTable, CreateView,
- DescribeTable, DmlStatement, DropTable, DropView, Explain, Filter, LogicalPlan,
- LogicalPlanBuilder, PlanType, SetVariable, ToStringifiedPlan, WriteOp,
+ DescribeTable, DmlStatement, DropTable, DropView, Explain, ExprSchemable, Filter,
+ LogicalPlan, LogicalPlanBuilder, PlanType, SetVariable, ToStringifiedPlan, WriteOp,
};
use sqlparser::ast;
use sqlparser::ast::{
@@ -753,7 +753,7 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
.schema_provider
.get_table_provider((&table_name).into())?;
let arrow_schema = (*provider.schema()).clone();
- let table_schema = Arc::new(DFSchema::try_from(arrow_schema)?);
+ let table_schema = DFSchema::try_from(arrow_schema)?;
// infer types for Values clause... other types should be resolvable the regular way
let mut prepare_param_data_types = BTreeMap::new();
@@ -792,19 +792,24 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
"Column count doesn't match insert query!".to_owned(),
))?;
}
- let exprs: Vec<_> = columns
+ let values_schema = source.schema();
+ let exprs = columns
.iter()
.zip(source.schema().fields().iter())
.map(|(c, f)| {
- datafusion_expr::Expr::Column(Column::from(f.name().clone()))
- .alias(c.value.clone())
+ let col_name = c.value.clone();
+ let col = table_schema.field_with_name(None, col_name.as_str())?;
+ let expr = datafusion_expr::Expr::Column(Column::from(f.name().clone()))
+ .alias(col_name)
+ .cast_to(col.data_type(), values_schema)?;
+ Ok(expr)
})
- .collect();
+ .collect::<Result<Vec<datafusion_expr::Expr>>>()?;
let source = project(source, exprs)?;
let plan = LogicalPlan::Dml(DmlStatement {
table_name,
- table_schema,
+ table_schema: Arc::new(table_schema),
op: WriteOp::Insert,
input: Arc::new(source),
});
diff --git a/datafusion/sql/tests/integration_test.rs b/datafusion/sql/tests/integration_test.rs
index c771a3ec5..c3725ec05 100644
--- a/datafusion/sql/tests/integration_test.rs
+++ b/datafusion/sql/tests/integration_test.rs
@@ -163,7 +163,7 @@ fn plan_insert() {
"insert into person (id, first_name, last_name) values (1, 'Alan', 'Turing')";
let plan = r#"
Dml: op=[Insert] table=[person]
- Projection: column1 AS id, column2 AS first_name, column3 AS last_name
+ Projection: CAST(column1 AS id AS UInt32), column2 AS first_name, column3 AS last_name
Values: (Int64(1), Utf8("Alan"), Utf8("Turing"))
"#
.trim();