public static MetaData getMetaData(String dbType) {
        if (StringUtils.isBlank(dbType)) {
            return getMetaData();
        }
        return PLUGIN_MAP.get(dbType).getMetaData();
    }
Get the ContentContext of the current thread

@return
chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/sql/Chat2DBContext.java