fix(editor): 修复 Kingbase 反引号 SQL 诊断误报

crates/dbx-core/tests/sql_analysis.rs

@@ -55,6 +55,15 @@ fn extracts_mysql_quoted_table_references() {
     assert_eq!(analysis.tables[0].span.end_column, 24);
 }
 
+#[test]
+fn extracts_mysql_qualified_backtick_table_references() {
+    let analysis = analyze_sql_references("SELECT * FROM `core`.`products` LIMIT 100;", Some("mysql")).unwrap();
+
+    assert_eq!(analysis.tables.len(), 1);
+    assert_eq!(analysis.tables[0].schema.as_deref(), Some("core"));
+    assert_eq!(analysis.tables[0].name, "products");
+}
+
 #[test]
 fn extracts_mysql_single_quoted_table_references() {
     let analysis = analyze_sql_references("SELECT * FROM 't_10001' LIMIT 100", Some("mysql")).unwrap();