fix: 修改数据库表结构以兼容 MyBatis-Plus

- 将所有表的 id 列从 UUID 类型改为 VARCHAR(36)，兼容 ASSIGN_UUID 策略
- 将 created_at/updated_at 字段统一改为 create_time/update_time
- 添加审计字段: create_by, create_by_name, update_by, update_by_name
- 更新触发器函数名称和字段名称

backend/sql/init.sql

@@ -1,5 +1,6 @@
 -- 灵越智报 v2.0 数据库初始化脚本
 -- PostgreSQL 15+
+-- 注意: ID 使用 VARCHAR(36) 以兼容 MyBatis-Plus 的 ASSIGN_UUID 策略
 
 -- 创建数据库（如果不存在）
 -- CREATE DATABASE lingyue_zhibao;
@@ -14,7 +15,7 @@ CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
 -- 1. 用户表 (users)
 -- ============================================
 CREATE TABLE IF NOT EXISTS users (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    id VARCHAR(36) PRIMARY KEY,
     username VARCHAR(50) UNIQUE NOT NULL,
     email VARCHAR(100) UNIQUE NOT NULL,
     password_hash VARCHAR(255) NOT NULL,
@@ -22,8 +23,12 @@ CREATE TABLE IF NOT EXISTS users (
     role VARCHAR(20) NOT NULL DEFAULT 'user', -- admin/user/guest
     preferences JSONB DEFAULT '{}',
     last_login_at TIMESTAMP,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    create_by VARCHAR(36),
+    create_by_name VARCHAR(100),
+    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    update_by VARCHAR(36),
+    update_by_name VARCHAR(100),
+    update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
@@ -33,8 +38,8 @@ CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
 -- 2. 文档表 (documents)
 -- ============================================
 CREATE TABLE IF NOT EXISTS documents (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    id VARCHAR(36) PRIMARY KEY,
+    user_id VARCHAR(36) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
     name VARCHAR(255) NOT NULL,
     type VARCHAR(20) NOT NULL, -- pdf/word/image/markdown/other
     status VARCHAR(20) NOT NULL DEFAULT 'pending', -- pending/uploading/parsing/completed/failed
@@ -48,14 +53,18 @@ CREATE TABLE IF NOT EXISTS documents (
     parse_started_at TIMESTAMP,
     parse_completed_at TIMESTAMP,
     metadata JSONB DEFAULT '{}', -- pageCount, ocrConfidence, layoutStructure等
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    create_by VARCHAR(36),
+    create_by_name VARCHAR(100),
+    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    update_by VARCHAR(36),
+    update_by_name VARCHAR(100),
+    update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE INDEX IF NOT EXISTS idx_documents_user_id ON documents(user_id);
 CREATE INDEX IF NOT EXISTS idx_documents_status ON documents(status);
 CREATE INDEX IF NOT EXISTS idx_documents_type ON documents(type);
-CREATE INDEX IF NOT EXISTS idx_documents_created_at ON documents(created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_documents_created_at ON documents(create_time DESC);
 CREATE INDEX IF NOT EXISTS idx_documents_metadata ON documents USING GIN(metadata);
 CREATE INDEX IF NOT EXISTS idx_documents_parsed_text ON documents USING GIN(to_tsvector('english', parsed_text)); -- 全文搜索
 
@@ -63,19 +72,23 @@ CREATE INDEX IF NOT EXISTS idx_documents_parsed_text ON documents USING GIN(to_t
 -- 3. 要素表 (elements)
 -- ============================================
 CREATE TABLE IF NOT EXISTS elements (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
-    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    id VARCHAR(36) PRIMARY KEY,
+    document_id VARCHAR(36) NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
+    user_id VARCHAR(36) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
     type VARCHAR(20) NOT NULL, -- amount/company/person/location/date/other
     label VARCHAR(100) NOT NULL,
     value TEXT NOT NULL,
     position JSONB, -- {page, x, y, width, height}
     confidence DECIMAL(3,2), -- 0.00-1.00
     extraction_method VARCHAR(20), -- ai/regex/rule/manual
-    graph_node_id UUID, -- 关联的图节点ID
+    graph_node_id VARCHAR(36), -- 关联的图节点ID
     metadata JSONB DEFAULT '{}',
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    create_by VARCHAR(36),
+    create_by_name VARCHAR(100),
+    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    update_by VARCHAR(36),
+    update_by_name VARCHAR(100),
+    update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE INDEX IF NOT EXISTS idx_elements_document_id ON elements(document_id);
@@ -88,9 +101,9 @@ CREATE INDEX IF NOT EXISTS idx_elements_position ON elements USING GIN(position)
 -- 4. 批注表 (annotations)
 -- ============================================
 CREATE TABLE IF NOT EXISTS annotations (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
-    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    id VARCHAR(36) PRIMARY KEY,
+    document_id VARCHAR(36) NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
+    user_id VARCHAR(36) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
     text TEXT NOT NULL,
     position JSONB NOT NULL, -- {page, start: {x, y}, end: {x, y}}
     type VARCHAR(20) NOT NULL, -- highlight/strikethrough/suggestion
@@ -98,8 +111,12 @@ CREATE TABLE IF NOT EXISTS annotations (
     ai_generated BOOLEAN DEFAULT FALSE,
     confidence DECIMAL(3,2),
     status VARCHAR(20) DEFAULT 'pending', -- pending/accepted/rejected
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    create_by VARCHAR(36),
+    create_by_name VARCHAR(100),
+    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    update_by VARCHAR(36),
+    update_by_name VARCHAR(100),
+    update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE INDEX IF NOT EXISTS idx_annotations_document_id ON annotations(document_id);
@@ -111,17 +128,21 @@ CREATE INDEX IF NOT EXISTS idx_annotations_status ON annotations(status);
 -- 5. 关系网络表 (graphs)
 -- ============================================
 CREATE TABLE IF NOT EXISTS graphs (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
-    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    id VARCHAR(36) PRIMARY KEY,
+    document_id VARCHAR(36) NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
+    user_id VARCHAR(36) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
     name VARCHAR(255) NOT NULL,
     nodes JSONB NOT NULL DEFAULT '[]', -- GraphNode数组
     edges JSONB NOT NULL DEFAULT '[]', -- GraphEdge数组
     calculation_result JSONB,
     calculation_status VARCHAR(20), -- pending/completed/failed
     metadata JSONB DEFAULT '{}',
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    create_by VARCHAR(36),
+    create_by_name VARCHAR(100),
+    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    update_by VARCHAR(36),
+    update_by_name VARCHAR(100),
+    update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE INDEX IF NOT EXISTS idx_graphs_document_id ON graphs(document_id);
@@ -133,8 +154,8 @@ CREATE INDEX IF NOT EXISTS idx_graphs_edges ON graphs USING GIN(edges);
 -- 6. 解析任务表 (parse_tasks)
 -- ============================================
 CREATE TABLE IF NOT EXISTS parse_tasks (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
+    id VARCHAR(36) PRIMARY KEY,
+    document_id VARCHAR(36) NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
     status VARCHAR(20) NOT NULL DEFAULT 'pending', -- pending/processing/completed/failed
     progress INTEGER DEFAULT 0, -- 0-100
     current_step VARCHAR(100),
@@ -142,8 +163,12 @@ CREATE TABLE IF NOT EXISTS parse_tasks (
     options JSONB DEFAULT '{}', -- 解析选项
     started_at TIMESTAMP,
     completed_at TIMESTAMP,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+    create_by VARCHAR(36),
+    create_by_name VARCHAR(100),
+    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    update_by VARCHAR(36),
+    update_by_name VARCHAR(100),
+    update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE INDEX IF NOT EXISTS idx_parse_tasks_document_id ON parse_tasks(document_id);
@@ -153,14 +178,14 @@ CREATE INDEX IF NOT EXISTS idx_parse_tasks_status ON parse_tasks(status);
 -- 7. 会话表 (sessions)
 -- ============================================
 CREATE TABLE IF NOT EXISTS sessions (
-    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    id VARCHAR(36) PRIMARY KEY,
+    user_id VARCHAR(36) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
     token_hash VARCHAR(255) NOT NULL UNIQUE,
     refresh_token_hash VARCHAR(255) NOT NULL UNIQUE,
     expires_at TIMESTAMP NOT NULL,
     ip_address VARCHAR(45),
     user_agent TEXT,
-    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     last_used_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 
@@ -171,33 +196,39 @@ CREATE INDEX IF NOT EXISTS idx_sessions_expires_at ON sessions(expires_at);
 -- ============================================
 -- 创建更新时间触发器函数
 -- ============================================
-CREATE OR REPLACE FUNCTION update_updated_at_column()
+CREATE OR REPLACE FUNCTION update_update_time_column()
 RETURNS TRIGGER AS $$
 BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
+    NEW.update_time = CURRENT_TIMESTAMP;
     RETURN NEW;
 END;
 $$ language 'plpgsql';
 
 -- 为所有表创建更新时间触发器
-CREATE TRIGGER update_users_updated_at BEFORE UPDATE ON users
-    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+DROP TRIGGER IF EXISTS update_users_updated_at ON users;
+CREATE TRIGGER update_users_update_time BEFORE UPDATE ON users
+    FOR EACH ROW EXECUTE FUNCTION update_update_time_column();
 
-CREATE TRIGGER update_documents_updated_at BEFORE UPDATE ON documents
-    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+DROP TRIGGER IF EXISTS update_documents_updated_at ON documents;
+CREATE TRIGGER update_documents_update_time BEFORE UPDATE ON documents
+    FOR EACH ROW EXECUTE FUNCTION update_update_time_column();
 
-CREATE TRIGGER update_elements_updated_at BEFORE UPDATE ON elements
-    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+DROP TRIGGER IF EXISTS update_elements_updated_at ON elements;
+CREATE TRIGGER update_elements_update_time BEFORE UPDATE ON elements
+    FOR EACH ROW EXECUTE FUNCTION update_update_time_column();
 
-CREATE TRIGGER update_annotations_updated_at BEFORE UPDATE ON annotations
-    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+DROP TRIGGER IF EXISTS update_annotations_updated_at ON annotations;
+CREATE TRIGGER update_annotations_update_time BEFORE UPDATE ON annotations
+    FOR EACH ROW EXECUTE FUNCTION update_update_time_column();
 
-CREATE TRIGGER update_graphs_updated_at BEFORE UPDATE ON graphs
-    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+DROP TRIGGER IF EXISTS update_graphs_updated_at ON graphs;
+CREATE TRIGGER update_graphs_update_time BEFORE UPDATE ON graphs
+    FOR EACH ROW EXECUTE FUNCTION update_update_time_column();
 
-CREATE TRIGGER update_parse_tasks_updated_at BEFORE UPDATE ON parse_tasks
-    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
-
-CREATE TRIGGER update_sessions_updated_at BEFORE UPDATE ON sessions
-    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+DROP TRIGGER IF EXISTS update_parse_tasks_updated_at ON parse_tasks;
+CREATE TRIGGER update_parse_tasks_update_time BEFORE UPDATE ON parse_tasks
+    FOR EACH ROW EXECUTE FUNCTION update_update_time_column();
 
+DROP TRIGGER IF EXISTS update_sessions_updated_at ON sessions;
+CREATE TRIGGER update_sessions_update_time BEFORE UPDATE ON sessions
+    FOR EACH ROW EXECUTE FUNCTION update_update_time_column();