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https://issues.apache.org/jira/browse/SPARK-28516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuming Wang updated SPARK-28516:
--------------------------------
Description:
Currently, Spark does not have support for `to_char`. PgSQL, however,
[does|[https://www.postgresql.org/docs/12/functions-formatting.html]]:
Query example:
{code:sql}
SELECT to_char(SUM(n) OVER (ORDER BY i ROWS BETWEEN CURRENT ROW AND 1
FOLLOWING),'999999999999999999999D9')
{code}
||Function||Return Type||Description||Example||
|{{to_char(}}{{timestamp}}{{, }}{{text}}{{)}}|{{text}}|convert time stamp to
string|{{to_char(current_timestamp, 'HH12:MI:SS')}}|
|{{to_char(}}{{interval}}{{, }}{{text}}{{)}}|{{text}}|convert interval to
string|{{to_char(interval '15h 2m 12s', 'HH24:MI:SS')}}|
|{{to_char(}}{{int}}{{, }}{{text}}{{)}}|{{text}}|convert integer to
string|{{to_char(125, '999')}}|
|{{to_char}}{{(}}{{double precision}}{{, }}{{text}}{{)}}|{{text}}|convert
real/double precision to string|{{to_char(125.8::real, '999D9')}}|
|{{to_char(}}{{numeric}}{{, }}{{text}}{{)}}|{{text}}|convert numeric to
string|{{to_char(-125.8, '999D99S')}}|
was:
Currently, Spark does not have support for `to_char`. PgSQL, however,
[does|[https://www.postgresql.org/docs/9.6/functions-formatting.html]]:
Query example:
SELECT to_char(SUM(n) OVER (ORDER BY i ROWS BETWEEN CURRENT ROW AND 1
FOLLOWING),'999999999999999999999D9')
> Data Type Formatting Functions: `to_char`
> -----------------------------------------
>
> Key: SPARK-28516
> URL: https://issues.apache.org/jira/browse/SPARK-28516
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Dylan Guedes
> Priority: Major
>
> Currently, Spark does not have support for `to_char`. PgSQL, however,
> [does|[https://www.postgresql.org/docs/12/functions-formatting.html]]:
> Query example:
> {code:sql}
> SELECT to_char(SUM(n) OVER (ORDER BY i ROWS BETWEEN CURRENT ROW AND 1
> FOLLOWING),'999999999999999999999D9')
> {code}
> ||Function||Return Type||Description||Example||
> |{{to_char(}}{{timestamp}}{{, }}{{text}}{{)}}|{{text}}|convert time stamp to
> string|{{to_char(current_timestamp, 'HH12:MI:SS')}}|
> |{{to_char(}}{{interval}}{{, }}{{text}}{{)}}|{{text}}|convert interval to
> string|{{to_char(interval '15h 2m 12s', 'HH24:MI:SS')}}|
> |{{to_char(}}{{int}}{{, }}{{text}}{{)}}|{{text}}|convert integer to
> string|{{to_char(125, '999')}}|
> |{{to_char}}{{(}}{{double precision}}{{, }}{{text}}{{)}}|{{text}}|convert
> real/double precision to string|{{to_char(125.8::real, '999D9')}}|
> |{{to_char(}}{{numeric}}{{, }}{{text}}{{)}}|{{text}}|convert numeric to
> string|{{to_char(-125.8, '999D99S')}}|
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