On Tue, May 3, 2016 at 3:21 PM, Nicolas Paris <niparisco@gmail.com> wrote:Hello,Documentation says : (http://www.postgresql.org/docs/9.5/static/textsearch-controls.html#TEXTSEARCH-RANKING)"The built-in ranking functions are only examples. You can write your own ranking functions and/or combine their results with additional factors to fit your specific needs."The build-in seems not enough for my use case. How to write my own ranking functions ?I would like to create something like ts_rank_cd( tsv, 'foo & bar', my_new_normalization_integer) you can look on src/backend/utils/adt/tsrank.c and write your own function. google can help https://www.google.ru/search?q=how+to+write+c+function+postgresql ----pg 9.5
Hello,Documentation says : (http://www.postgresql.org/docs/9.5/static/textsearch-controls.html#TEXTSEARCH-RANKING)"The built-in ranking functions are only examples. You can write your own ranking functions and/or combine their results with additional factors to fit your specific needs."The build-in seems not enough for my use case. How to write my own ranking functions ?I would like to create something like ts_rank_cd( tsv, 'foo & bar', my_new_normalization_integer)
----pg 9.5
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