mysql using SUBSTRING_INDEX (string source, string segmentation, the first of several) function ip subnet segment to give - Code World

mysql using SUBSTRING_INDEX (string source, string segmentation, the first of several) function ip subnet segment to give

Others 2019-07-02 22:50:24 views: null

substring_index (dest_str, sep_str, n)
Returns the n th string appears throughout this substring from dest_str before sep_str

-- 测试可使用环境mysql hive sparksql
select substring_index("127.2.3.4",".","3")  -- 就会得到127.2.3 这个字符串，

When the statement is required for feature analysis sub-web gathering

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Origin blog.csdn.net/u010720408/article/details/93205591

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