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https://issues.apache.org/jira/browse/CALCITE-3263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-3263:
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Fix Version/s: 1.21.0
> Add MD5, SHA1 SQL functions
> ---------------------------
>
> Key: CALCITE-3263
> URL: https://issues.apache.org/jira/browse/CALCITE-3263
> Project: Calcite
> Issue Type: Improvement
> Reporter: ShuMing Li
> Assignee: Julian Hyde
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.21.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> `MD5/SHA1` functions are common UDFs in many SQL engines. We may support them
> in SQL just like `from_base64`/`to_base64`.
> h3. A Review of Other Databases
> * BigQuery :
> [https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-and-operators#md5]
> ** Function : MD5(String/Bytes)
> ** Input : String/Bytes
> ** Output : Bytes
> * MySQL : [https://dev.mysql.com/doc/refman/8.0/en/encryption-functions.html]
> ** Function : MD5(String)
> ** Input : String
> ** Output : String
> * Oracle :
> [https://docs.oracle.com/database/121/SQLRF/functions183.htm#SQLRF55647]
> ** Function : STANDARD_HASH(expr, method)
> ** Input : String
> ** Output : RAW
> * PostgreSQL :
> [https://www.postgresql.org/docs/current/functions-string.html
> |https://www.postgresql.org/docs/current/functions-string.html]
> ** Function : MD5(String)
> ** Input : String
> ** Output : Text
> * Redshift : [https://docs.aws.amazon.com/redshift/latest/dg/r_MD5.html]
> ** Function : MD5(String)
> ** Input : String
> ** Output : String
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