From 0d5505aa2c6c3104bfc8b500ef2ef4528f574a2e Mon Sep 17 00:00:00 2001
From: littleneko <litao.little@gmail.com>
Date: Fri, 28 Feb 2020 12:15:09 +0800
Subject: [PATCH] fix_json_type_opaque_parse_err (#2318)
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对于`JSONB_TYPE_OPAQUE`类型的解析计算`q_max_bytes`时，多算了`1`字节
---
 .../main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
index 7cb7899b..5639cac1 100644
--- a/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
+++ b/dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
@@ -167,7 +167,7 @@ public class JsonConversion {
                 int type_byte = buffer.getUint8();
                 int position = buffer.position();
                 // Then there's the length of the value.
-                int q_max_bytes = (int) Math.min(len, 5);
+                int q_max_bytes = (int) Math.min(len - 1, 5);
                 long q_tlen = 0;
                 long q_str_len = 0;
                 long q_n = 0;