chore: initial commit

internal/db/schema/sys_permissions.sql

@@ -0,0 +1,22 @@
+CREATE TABLE sys_permissions
+(
+    id         INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    code       TEXT UNIQUE,
+    type       SMALLINT  NOT NULL,
+    created_at TIMESTAMPTZtz NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ,
+
+    CONSTRAINT unique_type_code UNIQUE (type, code)
+);
+
+CREATE TRIGGER update_sys_permissions_updated_at
+    BEFORE UPDATE
+    ON sys_permissions
+    FOR EACH ROW
+EXECUTE FUNCTION update_updated_at_column();
+
+COMMENT ON COLUMN sys_permissions.id IS '主键ID';
+COMMENT ON COLUMN sys_permissions.code IS '权限字符，唯一';
+COMMENT ON COLUMN sys_permissions.code IS '权限类型，0: 菜单 1: api';
+COMMENT ON COLUMN sys_permissions.created_at IS '创建时间';
+COMMENT ON COLUMN sys_permissions.updated_at IS '更新时间';