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https://issues.apache.org/jira/browse/CALCITE-6278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17824226#comment-17824226
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EveyWu edited comment on CALCITE-6278 at 3/7/24 2:39 AM:
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# Fixed summary symbol issue
# Sure, in spark, RLIKE has the same semantics as REGEXP_LIKE and REGEXP, and
has been combined in the test.
# Judging by the engine execution behavior, Hive also performs the unescape.
# Add more unescape tests in `SqlOperatorTest`
!image-2024-03-07-09-32-27-002.png|width=426,height=392!
was (Author: eveywu):
# Fixed summary symbol issue
# Sure, in spark, RLIKE has the same semantics as REGEXP_LIKE and REGEXP, and
has been combined in the test.
# Judging by the engine execution behavior, Hive also performs the unescape.
!image-2024-03-07-09-32-27-002.png|width=426,height=392!
> Add REGEXP, REGEXP_LIKE function (enabled in Spark library)
> ------------------------------------------------------------
>
> Key: CALCITE-6278
> URL: https://issues.apache.org/jira/browse/CALCITE-6278
> Project: Calcite
> Issue Type: Improvement
> Reporter: EveyWu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.37.0
>
> Attachments: image-2024-03-07-09-32-27-002.png
>
>
> Add Spark functions that have been implemented but have different
> OperandTypes/Returns.
> Add Function
> [REGEXP|https://spark.apache.org/docs/latest/api/sql/index.html#regexp],
> [REGEXP_LIKE|https://spark.apache.org/docs/latest/api/sql/index.html#regexp_like]
> # Since this function has the same implementation as the Spark
> [RLIKE|https://spark.apache.org/docs/latest/api/sql/index.html#rlike]
> function, the implementation can be directly reused.
> # Since Spark 2.0, string literals (including regex patterns) are unescaped
> in SQL parser, also fix this bug in calcite.
>
>
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