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Posted to dev@flink.apache.org by "xueyu (JIRA)" <ji...@apache.org> on 2018/07/15 13:21:00 UTC
[jira] [Created] (FLINK-9853) add hex support in table api and sql
xueyu created FLINK-9853:
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Summary: add hex support in table api and sql
Key: FLINK-9853
URL: https://issues.apache.org/jira/browse/FLINK-9853
Project: Flink
Issue Type: Improvement
Components: Table API & SQL
Reporter: xueyu
like in mysql, HEX could take int or string arguments, For a integer argument N, it returns a hexadecimal string representation of the value of N. For a string argument str, it returns a hexadecimal string representation of str where each byte of each character in str is converted to two hexadecimal digits.
Syntax:
HEX(100) = 64
HEX('This is a test String.') = '546869732069732061207465737420537472696e672e'
See more: [link MySQL|https://dev.mysql.com/doc/refman/8.0/en/string-functions.html#function_hex]
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