From 0c5a0598c4c8c032f9c36dc1410f10886d9e12ec Mon Sep 17 00:00:00 2001
From: shenzhengntu <503699317@qq.com>
Date: Thu, 30 Mar 2023 11:31:35 +0800
Subject: [PATCH] wal mask problem
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Code Source From: Self Code
Description:  【Optional】
Jira:  #【Optional】
市场项目编号（名称）：【Optional】
---
 src/backend/access/transam/ringbuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/access/transam/ringbuffer.c b/src/backend/access/transam/ringbuffer.c
index a18e058..297821a 100644
--- a/src/backend/access/transam/ringbuffer.c
+++ b/src/backend/access/transam/ringbuffer.c
@@ -128,7 +128,7 @@ int walRecordQuery(char**buffer,int* curpos,int* maxspace,uint64 lsn) {
 		return -1;
 	}
 	ring_buffer_size_t tailIdx = gRingBufferManger->tail_index; 
-	int low = tailIdx,high = ((tailIdx+maxIdx) & RING_BUFFER_MASK(buffer)), mid = 0;
+	int low = tailIdx,high = ((tailIdx+maxIdx) & RING_BUFFER_MASK(gRingBufferManger)), mid = 0;
 	if (low > high) {
 		if (gRingBufferManger->buffer[gRingBufferManger->buffer_mask].startLsn + gRingBufferManger->buffer[gRingBufferManger->buffer_mask].dataLen > lsn) {
 			high = gRingBufferManger->buffer_mask+1;