Revert "Fix Bug #550: AI修复"

This reverts commit 16c42ca108.

openhis-server-new/sql/create_user_config_table.sql

@@ -0,0 +1,38 @@
+CREATE TABLE IF NOT EXISTS sys_user_config (
+    config_id BIGSERIAL PRIMARY KEY,
+    user_id BIGINT NOT NULL,
+    config_key VARCHAR(100) NOT NULL,
+    config_value TEXT,
+    remark VARCHAR(500),
+    create_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    update_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- 添加注释
+COMMENT ON TABLE sys_user_config IS '用户配置表';
+COMMENT ON COLUMN sys_user_config.config_id IS '配置ID';
+COMMENT ON COLUMN sys_user_config.user_id IS '用户ID';
+COMMENT ON COLUMN sys_user_config.config_key IS '配置键名';
+COMMENT ON COLUMN sys_user_config.config_value IS '配置值';
+COMMENT ON COLUMN sys_user_config.remark IS '备注';
+COMMENT ON COLUMN sys_user_config.create_time IS '创建时间';
+COMMENT ON COLUMN sys_user_config.update_time IS '更新时间';
+
+-- 创建唯一索引
+CREATE UNIQUE INDEX IF NOT EXISTS uk_user_config ON sys_user_config (user_id, config_key);
+CREATE INDEX IF NOT EXISTS idx_user_id ON sys_user_config (user_id);
+
+-- 创建更新时间触发器函数
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.update_time = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+-- 创建触发器
+CREATE TRIGGER update_sys_user_config_updated_at
+    BEFORE UPDATE ON sys_user_config
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();