text: -- liquibase formatted sql
  
  -- changeset Lang:ox-group-role-1
  -- 关联表：R_GROUP_ROLE
  DROP TABLE IF EXISTS R_GROUP_ROLE;
  CREATE TABLE IF NOT EXISTS R_GROUP_ROLE
  (
      `GROUP_ID` VARCHAR(36) COMMENT '「groupId」- 关联组ID',
      `ROLE_ID`  VARCHAR(36) COMMENT '「roleId」- 关联角色ID',
      `PRIORITY` INTEGER COMMENT '「priority」- 角色优先级',
      PRIMARY KEY
          (
           `GROUP_ID`,
           `ROLE_ID`
              ) USING BTREE
  );
  