* feat: initial function rewriter for json_get
* feat: make sure rewrite rule is applied
* feat: keep analyzer's default rules
* feat: implement rewriter for arrow_cast
* test: add unit test for tht rewriter
* chore: format
* refactor: extract some more functions
* Apply suggestion from @waynexia
Co-authored-by: Ruihang Xia <waynestxia@gmail.com>
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Co-authored-by: Ruihang Xia <waynestxia@gmail.com>