[
https://issues.apache.org/jira/browse/SPARK-17647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiangrui Meng updated SPARK-17647:
----------------------------------
Description:
Try the following in SQL shell:
{code}
select '\\\\' like '%\\%';
{code}
It returned false, which is wrong.
cc: [~yhuai] [~joshrosen]
A false-negative considered previously:
{code}
select '\\\\' rlike '.*\\\\\\\\.*';
{code}
It returned true, which is correct if we assume that the pattern is treated as
a Java string but not raw string.
was:
Try the following in SQL shell:
{code}
select '\\\\' like '%\\%';
{code}
It returned false, which is wrong.
cc: [~yhuai] [~joshrosen]
A false-negative considered previously):
{code}
select '\\\\' rlike '.*\\\\\\\\.*';
{code}
It returned true, which is correct if we assume that the pattern is treated as
a Java string but not raw string.
> SQL LIKE/RLIKE do not handle backslashes correctly
> --------------------------------------------------
>
> Key: SPARK-17647
> URL: https://issues.apache.org/jira/browse/SPARK-17647
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Xiangrui Meng
> Labels: correctness
>
> Try the following in SQL shell:
> {code}
> select '\\\\' like '%\\%';
> {code}
> It returned false, which is wrong.
> cc: [~yhuai] [~joshrosen]
> A false-negative considered previously:
> {code}
> select '\\\\' rlike '.*\\\\\\\\.*';
> {code}
> It returned true, which is correct if we assume that the pattern is treated
> as a Java string but not raw string.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
