fix(vnext): recognize quoted relation aliases

Author: Light2Dark

src/vnext/__tests__/query-site.test.ts

@@ -274,6 +274,8 @@ describe("partial SELECT relation query sites", () => {
 
   it.each([
     "SELECT * FROM users AS u JOIN |",
+    "SELECT * FROM users AS \"u\" JOIN |",
+    "SELECT * FROM users \"u\" JOIN |",
     "SELECT * FROM users INNER JOIN |",
     "SELECT * FROM users CROSS JOIN |",
     "SELECT * FROM users NATURAL JOIN |",

src/vnext/query-site.ts

@@ -1017,6 +1017,20 @@ export function recognizeSqlRelationQuerySite(
           wordValue(source.analysisText, token),
         );
       }
+    } else if (token.kind === "quoted-identifier") {
+      const activeFrame = topFrame(frames);
+      if (
+        activeFrame?.baseDepth === depth &&
+        (activeFrame.state === "after-relation" ||
+          activeFrame.state === "expect-alias")
+      ) {
+        activeFrame.state = "after-alias";
+      } else if (
+        activeFrame?.baseDepth === depth &&
+        activeFrame.state === "after-alias"
+      ) {
+        markUnavailable(activeFrame, "ambiguous-query-site");
+      }
     } else if (queryCandidates.has(depth)) {
       queryCandidates.delete(depth);
     }