From d4f6b755e5b2c264d4b9e9d2b5e0eeb246cabb39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=94=B5=E6=91=87=E5=B0=8F=E5=AD=90?= <969409112@qq.com>
Date: Sat, 11 Jul 2026 23:22:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20Windows=20=E6=B6=88?=
 =?UTF-8?q?=E6=81=AF=E6=B8=B8=E6=A0=87=E5=9B=9E=E9=80=80=E6=9F=A5=E8=AF=A2?=
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---
 src/main/wcdb4-client.ts | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/main/wcdb4-client.ts b/src/main/wcdb4-client.ts
index cc21c30..e8f718b 100644
--- a/src/main/wcdb4-client.ts
+++ b/src/main/wcdb4-client.ts
@@ -651,6 +651,16 @@ export class Wcdb4Client {
       console.warn(`[WCDB4] cursor messages failed username=${username}:`, error)
     }
 
+    if (maxRows) {
+      const tableRows = this.getMessagesByTableScan(username, startTime, endTime, maxRows)
+      if (tableRows.length > 0) {
+        console.log(
+          `[WCDB4] getMessages table scan ok username=${username} rows=${tableRows.length} cost=${Date.now() - startedAt}ms`
+        )
+        return tableRows
+      }
+    }
+
     if (!this.wcdbGetMessages) return []
 
     const allRows: Record<string, unknown>[] = []
@@ -806,11 +816,12 @@ export class Wcdb4Client {
     const cursorOut: WcdbHandleOut = [0]
     const begin = this.normalizeTimestamp(startTime || 0)
     const end = this.normalizeTimestamp(endTime || 0)
+    const ascending = limit ? 0 : 1
     const openResult = this.wcdbOpenMessageCursor(
       handle,
       username,
       batchSize,
-      1,
+      ascending,
       begin,
       end,
       cursorOut