use std::sync::Arc;
use crate::planner::{ContextProvider, PlannerContext, SqlToRel};
use datafusion_common::{DFSchema, Result};
use datafusion_expr::{LogicalPlan, LogicalPlanBuilder};
use sqlparser::ast::Values as SQLValues;
impl<S: ContextProvider> SqlToRel<'_, S> {
pub(super) fn sql_values_to_plan(
&self,
values: SQLValues,
planner_context: &mut PlannerContext,
) -> Result<LogicalPlan> {
let SQLValues {
explicit_row: _,
rows,
} = values;
let empty_schema = Arc::new(DFSchema::empty());
let values = rows
.into_iter()
.map(|row| {
row.into_iter()
.map(|v| self.sql_to_expr(v, &empty_schema, planner_context))
.collect::<Result<Vec<_>>>()
})
.collect::<Result<Vec<_>>>()?;
let schema = planner_context.table_schema().unwrap_or(empty_schema);
if schema.fields().is_empty() {
LogicalPlanBuilder::values(values)?.build()
} else {
LogicalPlanBuilder::values_with_schema(values, &schema)?.build()
}
}
}