From 03f5df22351dfcd727db7b112d9b2e53a4cf6471 Mon Sep 17 00:00:00 2001
From: wisehead <alex.chenhui@gmail.com>
Date: Tue, 4 Apr 2023 17:09:07 +0800
Subject: [PATCH 1/2] fix(core): fix bug: The instance occasionally crashes if
 both fields specified for an equi-join are of the string data types (#1476)

---
 mysql-test/suite/tianmu/r/hash_join.result | 21 ++++++++++++++++
 mysql-test/suite/tianmu/t/hash_join.test   | 29 ++++++++++++++++++++++
 storage/tianmu/core/parallel_hash_join.cpp |  5 +++-
 3 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 mysql-test/suite/tianmu/r/hash_join.result
 create mode 100644 mysql-test/suite/tianmu/t/hash_join.test

diff --git a/mysql-test/suite/tianmu/r/hash_join.result b/mysql-test/suite/tianmu/r/hash_join.result
new file mode 100644
index 000000000..47d73612e
--- /dev/null
+++ b/mysql-test/suite/tianmu/r/hash_join.result
@@ -0,0 +1,21 @@
+DROP DATABASE IF EXISTS hash_join_test;
+CREATE DATABASE hash_join_test;
+USE hash_join_test;
+CREATE TABLE `test1` (
+`id` varchar(64) NOT NULL COMMENT 'ID'
+) ENGINE=TIANMU DEFAULT CHARSET=utf8mb4;
+CREATE TABLE `test2` (
+`user_id` varchar(32) NOT NULL COMMENT '用户ID'
+) ENGINE=TIANMU DEFAULT CHARSET=utf8;
+insert test1 values('aaa');
+insert test1 values('bbb');
+insert test1 values('ccc');
+insert test2 values('aaa');
+insert test2 values('bbb');
+insert test2 values('ccc');
+select test1.id,test2.user_id  from test2,test1 where test2.user_id = test1.id ;
+id	user_id
+aaa	aaa
+bbb	bbb
+ccc	ccc
+DROP DATABASE hash_join_test;
diff --git a/mysql-test/suite/tianmu/t/hash_join.test b/mysql-test/suite/tianmu/t/hash_join.test
new file mode 100644
index 000000000..654c0d9b1
--- /dev/null
+++ b/mysql-test/suite/tianmu/t/hash_join.test
@@ -0,0 +1,29 @@
+--source include/have_tianmu.inc
+
+--disable_warnings
+DROP DATABASE IF EXISTS hash_join_test;
+--enable_warnings
+
+CREATE DATABASE hash_join_test;
+
+USE hash_join_test;
+
+CREATE TABLE `test1` (
+  `id` varchar(64) NOT NULL COMMENT 'ID'
+) ENGINE=TIANMU DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE `test2` (
+  `user_id` varchar(32) NOT NULL COMMENT '用户ID'
+) ENGINE=TIANMU DEFAULT CHARSET=utf8;
+
+insert test1 values('aaa');
+insert test1 values('bbb');
+insert test1 values('ccc');
+
+insert test2 values('aaa');
+insert test2 values('bbb');
+insert test2 values('ccc');
+
+select test1.id,test2.user_id  from test2,test1 where test2.user_id = test1.id ;
+
+DROP DATABASE hash_join_test;
diff --git a/storage/tianmu/core/parallel_hash_join.cpp b/storage/tianmu/core/parallel_hash_join.cpp
index 684e051c5..ffd71d3be 100644
--- a/storage/tianmu/core/parallel_hash_join.cpp
+++ b/storage/tianmu/core/parallel_hash_join.cpp
@@ -34,7 +34,10 @@ namespace Tianmu {
 namespace core {
 namespace {
 const int kJoinSplittedMinPacks = 5;
-const int kTraversedPacksPerFragment = 30;
+// bug 1476:  change this threhold from 30 to INT_MAX32 to disable the parallel hash join
+// because the result is sometimes wrong if parallel hash join is enabled.
+// we'll re-enable the hash join later if the bug is fixed in near future.
+const int kTraversedPacksPerFragment = INT_MAX32 / 2;
 
 int EvaluateTraversedFragments(int packs_count) {
   const int kMaxTraversedFragmentCount = 8;

From 65e7c25dca0bfb806916d2313a643331cb15acce Mon Sep 17 00:00:00 2001
From: Agility6 <agility6@163.com>
Date: Fri, 7 Apr 2023 12:17:01 +0800
Subject: [PATCH 2/2] fix: page hover font style

---
 website/src/css/custom.less | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/website/src/css/custom.less b/website/src/css/custom.less
index 84251e050..e9f0c8da9 100644
--- a/website/src/css/custom.less
+++ b/website/src/css/custom.less
@@ -58,7 +58,7 @@
 }
 
 .navbar__link:hover, .navbar__link--active{
-  font-weight: bold;
+  text-shadow: 1px 0 0 currentColor;
 }
 
 @media (max-width: 996px){