fix(sidebar): normalize mysql view names (#365)

frontend/src/utils/sidebarMetadata.ts

@@ -0,0 +1,37 @@
+const splitQualifiedName = (qualifiedName: string): { schemaName: string; objectName: string } => {
+  const raw = String(qualifiedName || '').trim();
+  if (!raw) return { schemaName: '', objectName: '' };
+  const idx = raw.lastIndexOf('.');
+  if (idx <= 0 || idx >= raw.length - 1) {
+    return { schemaName: '', objectName: raw };
+  }
+  return {
+    schemaName: raw.substring(0, idx),
+    objectName: raw.substring(idx + 1),
+  };
+};
+
+export const normalizeSidebarViewName = (dialect: string, dbName: string, schemaName: string, viewName: string): string => {
+  const normalizedDialect = String(dialect || '').trim().toLowerCase();
+  const normalizedDbName = String(dbName || '').trim();
+  const normalizedSchemaName = String(schemaName || '').trim();
+  const normalizedViewName = String(viewName || '').trim();
+
+  if (!normalizedViewName) {
+    return '';
+  }
+
+  if (normalizedDialect === 'mysql') {
+    const parsed = splitQualifiedName(normalizedViewName);
+    if (parsed.objectName) {
+      return parsed.objectName;
+    }
+    return normalizedViewName;
+  }
+
+  if (!normalizedSchemaName || normalizedViewName.includes('.')) {
+    return normalizedViewName;
+  }
+
+  return `${normalizedSchemaName}.${normalizedViewName}`;
+};