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release: v0.2.3 AriaEngine 引擎加固 — RB-Tree fixDelete/LSM SSTable缓存预热/LZ4格式修复
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This commit is contained in:
thzxx
2026-07-27 21:22:29 +08:00
parent 966291dadc
commit 4a3feac9ea
17 changed files with 482 additions and 170 deletions
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dist/metona-sqlark.cjs.js
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+100 -3
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@@ -1309,9 +1309,97 @@ class RedBlackTree {
if (this.root)
this.root.color = Color.BLACK;
}
fixDelete(_x, _parent) {
// 简化：在实际生产环境中需要完整的删除修复
// 这里使用简化版，仅处理常见情况
fixDelete(x, parent) {
// 标准 RB-Tree 删除修复（修复"双黑"问题）
let node = x;
let nodeParent = parent;
while ((!node || node.color === Color.BLACK) && node !== this.root) {
if (!nodeParent)
break;
if (node === nodeParent.left) {
let sibling = nodeParent.right;
if (!sibling)
break;
// Case 1: 兄弟是红色
if (sibling.color === Color.RED) {
sibling.color = Color.BLACK;
nodeParent.color = Color.RED;
this.rotateLeft(nodeParent);
sibling = nodeParent.right;
if (!sibling)
break;
}
// Case 2: 兄弟的两个子节点都是黑色
const sibLeft = sibling.left;
const sibRight = sibling.right;
if ((!sibLeft || sibLeft.color === Color.BLACK) &&
(!sibRight || sibRight.color === Color.BLACK)) {
sibling.color = Color.RED;
node = nodeParent;
nodeParent = node.parent;
}
else {
// Case 3: 兄弟右子黑色（左子红色）
if (!sibRight || sibRight.color === Color.BLACK) {
if (sibLeft)
sibLeft.color = Color.BLACK;
sibling.color = Color.RED;
this.rotateRight(sibling);
sibling = nodeParent.right;
if (!sibling)
break;
}
// Case 4: 兄弟右子红色
sibling.color = nodeParent.color;
nodeParent.color = Color.BLACK;
if (sibling.right)
sibling.right.color = Color.BLACK;
this.rotateLeft(nodeParent);
node = this.root;
}
}
else {
// 镜像：node 是父节点的右子
let sibling = nodeParent.left;
if (!sibling)
break;
if (sibling.color === Color.RED) {
sibling.color = Color.BLACK;
nodeParent.color = Color.RED;
this.rotateRight(nodeParent);
sibling = nodeParent.left;
if (!sibling)
break;
}
const sibLeft = sibling.left;
const sibRight = sibling.right;
if ((!sibLeft || sibLeft.color === Color.BLACK) &&
(!sibRight || sibRight.color === Color.BLACK)) {
sibling.color = Color.RED;
node = nodeParent;
nodeParent = node.parent;
}
else {
if (!sibLeft || sibLeft.color === Color.BLACK) {
if (sibRight)
sibRight.color = Color.BLACK;
sibling.color = Color.RED;
this.rotateLeft(sibling);
sibling = nodeParent.left;
if (!sibling)
break;
}
sibling.color = nodeParent.color;
nodeParent.color = Color.BLACK;
if (sibling.left)
sibling.left.color = Color.BLACK;
this.rotateRight(nodeParent);
node = this.root;
}
}
}
if (node)
node.color = Color.BLACK;
}
rotateLeft(x) {
const y = x.right;
@@ -2119,6 +2207,15 @@ class LSM {
if (metas.length > 0) {
this.nextSSTableId = Math.max(...metas.map((m) => m.id)) + 1;
}
// 预加载所有 SSTable 数据到缓存（避免后续 cache miss 返回 null）
for (const meta of metas) {
try {
await this.preloadSSTable(meta.id);
}
catch {
// 单个文件加载失败不影响整体启动
}
}
this.initialized = true;
}
// =======================================================================
dist/metona-sqlark.cjs.js.map
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dist/metona-sqlark.esm.js
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@@ -1305,9 +1305,97 @@ class RedBlackTree {
if (this.root)
this.root.color = Color.BLACK;
}
fixDelete(_x, _parent) {
// 简化：在实际生产环境中需要完整的删除修复
// 这里使用简化版，仅处理常见情况
fixDelete(x, parent) {
// 标准 RB-Tree 删除修复（修复"双黑"问题）
let node = x;
let nodeParent = parent;
while ((!node || node.color === Color.BLACK) && node !== this.root) {
if (!nodeParent)
break;
if (node === nodeParent.left) {
let sibling = nodeParent.right;
if (!sibling)
break;
// Case 1: 兄弟是红色
if (sibling.color === Color.RED) {
sibling.color = Color.BLACK;
nodeParent.color = Color.RED;
this.rotateLeft(nodeParent);
sibling = nodeParent.right;
if (!sibling)
break;
}
// Case 2: 兄弟的两个子节点都是黑色
const sibLeft = sibling.left;
const sibRight = sibling.right;
if ((!sibLeft || sibLeft.color === Color.BLACK) &&
(!sibRight || sibRight.color === Color.BLACK)) {
sibling.color = Color.RED;
node = nodeParent;
nodeParent = node.parent;
}
else {
// Case 3: 兄弟右子黑色（左子红色）
if (!sibRight || sibRight.color === Color.BLACK) {
if (sibLeft)
sibLeft.color = Color.BLACK;
sibling.color = Color.RED;
this.rotateRight(sibling);
sibling = nodeParent.right;
if (!sibling)
break;
}
// Case 4: 兄弟右子红色
sibling.color = nodeParent.color;
nodeParent.color = Color.BLACK;
if (sibling.right)
sibling.right.color = Color.BLACK;
this.rotateLeft(nodeParent);
node = this.root;
}
}
else {
// 镜像：node 是父节点的右子
let sibling = nodeParent.left;
if (!sibling)
break;
if (sibling.color === Color.RED) {
sibling.color = Color.BLACK;
nodeParent.color = Color.RED;
this.rotateRight(nodeParent);
sibling = nodeParent.left;
if (!sibling)
break;
}
const sibLeft = sibling.left;
const sibRight = sibling.right;
if ((!sibLeft || sibLeft.color === Color.BLACK) &&
(!sibRight || sibRight.color === Color.BLACK)) {
sibling.color = Color.RED;
node = nodeParent;
nodeParent = node.parent;
}
else {
if (!sibLeft || sibLeft.color === Color.BLACK) {
if (sibRight)
sibRight.color = Color.BLACK;
sibling.color = Color.RED;
this.rotateLeft(sibling);
sibling = nodeParent.left;
if (!sibling)
break;
}
sibling.color = nodeParent.color;
nodeParent.color = Color.BLACK;
if (sibling.left)
sibling.left.color = Color.BLACK;
this.rotateRight(nodeParent);
node = this.root;
}
}
}
if (node)
node.color = Color.BLACK;
}
rotateLeft(x) {
const y = x.right;
@@ -2115,6 +2203,15 @@ class LSM {
if (metas.length > 0) {
this.nextSSTableId = Math.max(...metas.map((m) => m.id)) + 1;
}
// 预加载所有 SSTable 数据到缓存（避免后续 cache miss 返回 null）
for (const meta of metas) {
try {
await this.preloadSSTable(meta.id);
}
catch {
// 单个文件加载失败不影响整体启动
}
}
this.initialized = true;
}
// =======================================================================
dist/metona-sqlark.esm.js.map
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dist/metona-sqlark.js
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@@ -1311,9 +1311,97 @@
if (this.root)
this.root.color = Color.BLACK;
}
fixDelete(_x, _parent) {
// 简化：在实际生产环境中需要完整的删除修复
// 这里使用简化版，仅处理常见情况
fixDelete(x, parent) {
// 标准 RB-Tree 删除修复（修复"双黑"问题）
let node = x;
let nodeParent = parent;
while ((!node || node.color === Color.BLACK) && node !== this.root) {
if (!nodeParent)
break;
if (node === nodeParent.left) {
let sibling = nodeParent.right;
if (!sibling)
break;
// Case 1: 兄弟是红色
if (sibling.color === Color.RED) {
sibling.color = Color.BLACK;
nodeParent.color = Color.RED;
this.rotateLeft(nodeParent);
sibling = nodeParent.right;
if (!sibling)
break;
}
// Case 2: 兄弟的两个子节点都是黑色
const sibLeft = sibling.left;
const sibRight = sibling.right;
if ((!sibLeft || sibLeft.color === Color.BLACK) &&
(!sibRight || sibRight.color === Color.BLACK)) {
sibling.color = Color.RED;
node = nodeParent;
nodeParent = node.parent;
}
else {
// Case 3: 兄弟右子黑色（左子红色）
if (!sibRight || sibRight.color === Color.BLACK) {
if (sibLeft)
sibLeft.color = Color.BLACK;
sibling.color = Color.RED;
this.rotateRight(sibling);
sibling = nodeParent.right;
if (!sibling)
break;
}
// Case 4: 兄弟右子红色
sibling.color = nodeParent.color;
nodeParent.color = Color.BLACK;
if (sibling.right)
sibling.right.color = Color.BLACK;
this.rotateLeft(nodeParent);
node = this.root;
}
}
else {
// 镜像：node 是父节点的右子
let sibling = nodeParent.left;
if (!sibling)
break;
if (sibling.color === Color.RED) {
sibling.color = Color.BLACK;
nodeParent.color = Color.RED;
this.rotateRight(nodeParent);
sibling = nodeParent.left;
if (!sibling)
break;
}
const sibLeft = sibling.left;
const sibRight = sibling.right;
if ((!sibLeft || sibLeft.color === Color.BLACK) &&
(!sibRight || sibRight.color === Color.BLACK)) {
sibling.color = Color.RED;
node = nodeParent;
nodeParent = node.parent;
}
else {
if (!sibLeft || sibLeft.color === Color.BLACK) {
if (sibRight)
sibRight.color = Color.BLACK;
sibling.color = Color.RED;
this.rotateLeft(sibling);
sibling = nodeParent.left;
if (!sibling)
break;
}
sibling.color = nodeParent.color;
nodeParent.color = Color.BLACK;
if (sibling.left)
sibling.left.color = Color.BLACK;
this.rotateRight(nodeParent);
node = this.root;
}
}
}
if (node)
node.color = Color.BLACK;
}
rotateLeft(x) {
const y = x.right;
@@ -2121,6 +2209,15 @@
if (metas.length > 0) {
this.nextSSTableId = Math.max(...metas.map((m) => m.id)) + 1;
}
// 预加载所有 SSTable 数据到缓存（避免后续 cache miss 返回 null）
for (const meta of metas) {
try {
await this.preloadSSTable(meta.id);
}
catch {
// 单个文件加载失败不影响整体启动
}
}
this.initialized = true;
}
// =======================================================================
dist/metona-sqlark.js.map
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dist/metona-sqlark.min.js
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