fix: improve error message in validate_proto_value (#2328)

* fix: correct error message in validate_proto_value()

* fix: print location in InvalidRequest error

* style: format

src/mito2/src/error.rs

@@ -186,7 +186,12 @@ pub enum Error {
         location: Location,
     },
 
-    #[snafu(display("Invalid request to region {}, reason: {}", region_id, reason))]
+    #[snafu(display(
+        "Invalid request to region {}, location: {}, reason: {}",
+        region_id,
+        location,
+        reason
+    ))]
     InvalidRequest {
         region_id: RegionId,
         reason: String,

src/mito2/src/request.rs

@@ -360,10 +360,11 @@ pub(crate) fn validate_proto_value(
             InvalidRequestSnafu {
                 region_id,
                 reason: format!(
-                    "column {} has type {:?}, but schema has type {:?}",
-                    column_schema.column_name,
+                    "value has type {:?}, but column {} has type {:?}({})",
                     value_type,
-                    ColumnDataType::from_i32(column_schema.datatype)
+                    column_schema.column_name,
+                    ColumnDataType::from_i32(column_schema.datatype),
+                    column_schema.datatype,
                 ),
             }
         );