fix(query): avoid downcasting non-Fuse write targets

Author: KKould

src/query/ast/tests/it/testdata/stmt-error.txt

@@ -96,7 +96,7 @@ error:
 1 | create table a (c1 decimal(38), c2 int) partition by ();
   | ------                                                ^
   | |                                                     |
-  | |                                                     expecting `<LiteralString>`, '<LiteralCodeString>', '<LiteralInteger>', '<LiteralFloat>', 'TRUE', 'FALSE', or more ...
+  | |                                                     unexpected `)`, expecting <Ident>, <LiteralString>, `IDENTIFIER`, <LiteralCodeString>, <LiteralInteger>, <LiteralFloat>, <MySQLLiteralHex>, <PGLiteralHex>, `TRUE`, `FALSE`, or `NULL`
   | |                                                     while parsing expression
   | while parsing `CREATE [OR REPLACE] TABLE [IF NOT EXISTS] [<database>.]<table> [<source>] [<table_options>]`
 

src/query/service/src/interpreters/interpreter_insert.rs

@@ -312,9 +312,10 @@ impl InsertInterpreter {
         metadata: &MetadataRef,
         cast_needed: bool,
     ) -> Result<(PhysicalPlan, bool)> {
-        let Ok(fuse_table) = FuseTable::try_from_table(table.as_ref()) else {
+        if table.engine() != "FUSE" {
             return Ok((input, false));
-        };
+        }
+        let fuse_table = FuseTable::try_from_table(table.as_ref())?;
         if !fuse_table.use_hash_write_distribution() {
             return Ok((input, false));
         }

src/query/service/src/pipelines/builders/builder_append_table.rs

@@ -45,9 +45,10 @@ impl PipelineBuilder {
         pipeline: &mut Pipeline,
         table: Arc<dyn Table>,
     ) -> Result<()> {
-        let Ok(fuse_table) = FuseTable::try_from_table(table.as_ref()) else {
+        if table.engine() != "FUSE" {
             return Ok(());
-        };
+        }
+        let fuse_table = FuseTable::try_from_table(table.as_ref())?;
         if !fuse_table.use_hash_write_distribution() {
             return Ok(());
         }