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https://issues.apache.org/jira/browse/HIVE-22853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17049276#comment-17049276
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David Mollitor commented on HIVE-22853:
---------------------------------------
{code:java}
Pattern setPattern =
Pattern.compile("(\\s*)(set)(\\s+)(\\S+)(\\s*)=(\\s*)(-?\\d+)(\\s*)(;*)");
{code}
Do not bother capturing 7 groups. Just capture the two groups that matter:
{code:java}
Pattern setPattern = Pattern.compile("\\s*set\\s+(\\S+)\\s*=\\s*(-?\\d+)\\s*;*);
{code}
Do not worry about beginning and trailing spaces:
{code:java}
Pattern setPattern = Pattern.compile("set\\s+(\\S+)\\s*=\\s*(-?\\d+)\\s*;);
Matcher matcher = setPattern.matcher(sql.toLowerCase().trim());
{code}
> Beeline should use HS2 server defaults for fetchSize
> ----------------------------------------------------
>
> Key: HIVE-22853
> URL: https://issues.apache.org/jira/browse/HIVE-22853
> Project: Hive
> Issue Type: Bug
> Components: Beeline
> Affects Versions: 4.0.0
> Reporter: Naveen Gangam
> Assignee: Naveen Gangam
> Priority: Major
> Attachments: HIVE-22853.2.patch, HIVE-22853.3.patch,
> HIVE-22853.4.patch, HIVE-22853.5.patch, HIVE-22853.patch
>
>
> Currently beeline uses a hard coded default of 1000 rows for fetchSize. This
> default value is different from what the server has set. While the beeline
> user can reset the value via set command, its cumbersome to change the
> workloads.
> Rather it should default to the server-side value and set should be used to
> override within the session.
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