feat(core): implement TypePlanner to compatible common SQL types

wren-core/core/src/mdl/context.rs

@@ -10,6 +10,7 @@ use crate::logical_plan::analyze::model_generation::ModelGenerationRule;
 use crate::logical_plan::optimize::simplify_timestamp::TimestampSimplify;
 use crate::logical_plan::utils::create_schema;
 use crate::mdl::manifest::Model;
+use crate::mdl::type_planner::WrenTypePlanner;
 use crate::mdl::{AnalyzedWrenMDL, SessionStateRef};
 use async_trait::async_trait;
 use datafusion::arrow::datatypes::SchemaRef;
@@ -74,9 +75,11 @@ pub async fn create_ctx_with_mdl(
             .set("datafusion.execution.time_zone", &session_timezone)?;
     }
 
+    let type_planner = Arc::new(WrenTypePlanner::default());
     let reset_default_catalog_schema = Arc::new(RwLock::new(
         SessionStateBuilder::new_from_existing(ctx.state())
             .with_config(config.clone())
+            .with_type_planner(type_planner)
             .build(),
     ));
 

wren-core/core/src/mdl/mod.rs

@@ -43,6 +43,7 @@ pub mod lineage;
 pub mod manifest {
     pub use wren_core_base::mdl::manifest::*;
 }
+pub mod type_planner;
 pub mod utils;
 
 pub type SessionStateRef = Arc<RwLock<SessionState>>;
@@ -549,7 +550,7 @@ mod test {
     use std::sync::Arc;
 
     use crate::mdl::builder::{ColumnBuilder, ManifestBuilder, ModelBuilder};
-    use crate::mdl::context::{create_ctx_with_mdl, Mode};
+    use crate::mdl::context::{create_ctx_with_mdl, Mode, SessionPropertiesRef};
     use crate::mdl::function::RemoteFunction;
     use crate::mdl::manifest::DataSource::MySQL;
     use crate::mdl::manifest::Manifest;
@@ -3525,6 +3526,25 @@ mod test {
         Ok(())
     }
 
+    #[tokio::test]
+    async fn test_compatible_type() -> Result<()> {
+        let ctx = SessionContext::new();
+
+        let manifest = ManifestBuilder::default().build();
+        let properties = SessionPropertiesRef::default();
+        let mdl = Arc::new(AnalyzedWrenMDL::analyze(
+            manifest,
+            Arc::clone(&properties),
+            Mode::Unparse,
+        )?);
+        let sql = "select cast(1 as int64)";
+        assert_snapshot!(
+            transform_sql_with_ctx(&ctx, Arc::clone(&mdl), &[], Arc::clone(&properties), sql).await?,
+            @"SELECT CAST(1 AS BIGINT)"
+        );
+        Ok(())
+    }
+
     /// Return a RecordBatch with made up data about customer
     fn customer() -> RecordBatch {
         let custkey: ArrayRef = Arc::new(Int64Array::from(vec![1, 2, 3]));

wren-core/core/src/mdl/type_planner.rs

@@ -0,0 +1,33 @@
+use datafusion::{
+    arrow::datatypes::{DataType, TimeUnit},
+    error::Result,
+    logical_expr::planner::TypePlanner,
+    sql::sqlparser::ast::DataType as SQLDataType,
+};
+
+#[derive(Debug, Clone, Default)]
+pub struct WrenTypePlanner {}
+
+impl TypePlanner for WrenTypePlanner {
+    fn plan_type(&self, sql_type: &SQLDataType) -> Result<Option<DataType>> {
+        match sql_type {
+            SQLDataType::Int64 => Ok(Some(DataType::Int64)),
+            SQLDataType::Int32 => Ok(Some(DataType::Int32)),
+            SQLDataType::Float32 => Ok(Some(DataType::Float32)),
+            SQLDataType::Float64 => Ok(Some(DataType::Float64)),
+            SQLDataType::Datetime(precision)
+                if precision.is_none() || [0, 3, 6, 9].contains(&precision.unwrap()) =>
+            {
+                let precision = match precision {
+                    Some(0) => TimeUnit::Second,
+                    Some(3) => TimeUnit::Millisecond,
+                    Some(6) => TimeUnit::Microsecond,
+                    None | Some(9) => TimeUnit::Nanosecond,
+                    _ => unreachable!(),
+                };
+                Ok(Some(DataType::Timestamp(precision, None)))
+            }
+            _ => Ok(None),
+        }
+    }
+}

wren-core/sqllogictest/src/test_context.rs

@@ -28,7 +28,7 @@ use tempfile::TempDir;
 use wren_core::mdl::builder::{
     ColumnBuilder, ManifestBuilder, ModelBuilder, RelationshipBuilder, ViewBuilder,
 };
-use wren_core::mdl::context::{create_ctx_with_mdl, Mode};
+use wren_core::mdl::context::{create_ctx_with_mdl, Mode, SessionPropertiesRef};
 use wren_core::mdl::manifest::JoinType;
 use wren_core::mdl::AnalyzedWrenMDL;
 
@@ -77,7 +77,17 @@ impl TestContext {
             }
             _ => {
                 info!("Using default SessionContext");
-                None
+                let mdl = Arc::new(AnalyzedWrenMDL::default());
+                let ctx = create_ctx_with_mdl(
+                    &ctx,
+                    mdl.clone(),
+                    SessionPropertiesRef::default(),
+                    Mode::LocalRuntime,
+                )
+                .await
+                .ok()
+                .unwrap();
+                Some(TestContext::new(ctx, mdl))
             }
         }
     }

wren-core/sqllogictest/test_files/type.slt

@@ -0,0 +1,19 @@
+query II
+select cast(1 as int64) as c1, cast(1 as int32) as c2
+----
+1 1
+
+query RR
+select cast(1.0 as float64) as c1, cast(1.0 as float32) as c2
+----
+1 1
+
+
+query PPPP
+select 
+    cast('2000-01-01 10:00:00' as datetime),
+    cast('2000-01-01 10:00:00.123' as datetime),
+    cast('2000-01-01 10:00:00.123456' as datetime),
+    cast('2000-01-01 10:00:00.123456789' as datetime)
+----
+2000-01-01T10:00:00 2000-01-01T10:00:00.123 2000-01-01T10:00:00.123456 2000-01-01T10:00:00.123456789