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https://issues.apache.org/jira/browse/SPARK-28073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuming Wang resolved SPARK-28073.
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Resolution: Resolved
Yes. We have implemented this syntax.
https://github.com/postgres/postgres/blob/REL_12_BETA2/src/test/regress/sql/strings.sql#L7-L17
> ANSI SQL: Character literals
> ----------------------------
>
> Key: SPARK-28073
> URL: https://issues.apache.org/jira/browse/SPARK-28073
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> ||Feature ID||Feature Name||Feature Description||
> |E021-03|Character literals|— Subclause 5.3, “<literal>”: <quote> [
> <character representation>... ] <quote>|
> Example:
> {code:java}
> SELECT 'first line' ' - next line' ' - third line' AS "Three lines to
> one";{code}
> Postgresql:[https://www.postgresql.org/docs/9.1/features-sql-standard.html]
> Hive:[https://cwiki.apache.org/confluence/display/Hive/Supported+Features%3A+Apache+Hive+2.1]
>
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