From df550b5442aa062074b534e43f635038c0afe713 Mon Sep 17 00:00:00 2001
From: songgaoye <nkysggsy@gmail.com>
Date: Thu, 27 Aug 2026 18:03:40 +0800
Subject: [PATCH 1/2] perf(goleveldb): use LevelDB Has to skip value reads

---
 goleveldb.go | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/goleveldb.go b/goleveldb.go
index 65161c3..ebf0e24 100644
--- a/goleveldb.go
+++ b/goleveldb.go
@@ -57,11 +57,10 @@ func (db *GoLevelDB) Get(key []byte) ([]byte, error) {
 
 // Has implements DB.
 func (db *GoLevelDB) Has(key []byte) (bool, error) {
-	bytes, err := db.Get(key)
-	if err != nil {
-		return false, err
+	if len(key) == 0 {
+		return false, errKeyEmpty
 	}
-	return bytes != nil, nil
+	return db.db.Has(key, nil)
 }
 
 // Set implements DB.

From a682ce878409288e3210b1fedef2d655e0ec8f57 Mon Sep 17 00:00:00 2001
From: songgaoye <nkysggsy@gmail.com>
Date: Thu, 27 Aug 2026 18:20:40 +0800
Subject: [PATCH 2/2] fix rocksdb warnings

---
 tools/Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/Dockerfile b/tools/Dockerfile
index 74b00cb..d734266 100644
--- a/tools/Dockerfile
+++ b/tools/Dockerfile
@@ -9,11 +9,13 @@ RUN apt update \
 ARG ROCKSDB=9.8.4
 
 # Install RocksDB
+# GCC 12 reports false-positive uninitialized warnings from its AVX-512
+# intrinsic headers while compiling RocksDB's bundled xxHash implementation.
 RUN \
   wget -q https://github.com/facebook/rocksdb/archive/refs/tags/v${ROCKSDB}.tar.gz \
   && tar -zxf v${ROCKSDB}.tar.gz \
   && cd rocksdb-${ROCKSDB} \
-  && DEBUG_LEVEL=0 CXXFLAGS="-Wno-maybe-uninitialized" make -j4 shared_lib \
+  && DEBUG_LEVEL=0 CXXFLAGS="-Wno-maybe-uninitialized -Wno-error=uninitialized" make -j4 shared_lib \
   && make install-shared \
   && ldconfig \
   && cd .. \