chore(query): make copy into table support auto cast schema

Author: sundy-li

src/meta/app/src/principal/user_stage.rs

@@ -108,10 +108,7 @@ pub enum StageFileCompression {
 
 impl StageFileFormatType {
     pub fn has_inner_schema(&self) -> bool {
-        match self {
-            StageFileFormatType::Parquet => true,
-            _ => false,
-        }
+        matches!(self, StageFileFormatType::Parquet)
     }
 }
 

src/query/service/src/interpreters/interpreter_copy.rs

@@ -27,7 +27,6 @@ use common_expression::DataField;
 use common_expression::DataSchema;
 use common_expression::DataSchemaRef;
 use common_expression::DataSchemaRefExt;
-use common_meta_app::principal::StageFileFormatType;
 use common_meta_app::principal::StageInfo;
 use common_meta_app::schema::TableCopiedFileInfo;
 use common_pipeline_core::processors::processor::ProcessorPtr;