When string is too long, clucene will throw an error. And the string is too long to analyze. So we ignore the string in index process when the string is longer than 256 bytes by default. We add an poperty `ignore_above` for user to customize.
When string is too long, clucene will throw an error. And the string is too long to analyze. So we ignore the string in index process when the string is longer than 256 bytes by default. We add an poperty `ignore_above` for user to customize.