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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/11/16 02:17:55 UTC

[GitHub] [flink] liuyongvs commented on a diff in pull request #20746: [FLINK-28893][table] Add built-in conv function.

liuyongvs commented on code in PR #20746:
URL: https://github.com/apache/flink/pull/20746#discussion_r1023437269


##########
docs/data/sql_functions.yml:
##########
@@ -228,6 +228,13 @@ arithmetic:
   - sql: UUID()
     table: uuid()
     description: Returns an UUID (Universally Unique Identifier) string (e.g., "3d3c68f7-f608-473f-b60c-b0c44ad4cc4e") according to RFC 4122 type 4 (pseudo randomly generated) UUID. The UUID is generated using a cryptographically strong pseudo random number generator.
+  - sql: |
+      CONV(numeric, numeric1, numeric2)
+      CONV(string, numeric1, numeric2)

Review Comment:
   the main code from Hive， you can see this comment: org.apache.hadoop.hive.ql.udf.UDFConv.java. Just modify conv function
    * return type to prevent codec overhead @snuyanzin 



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