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https://issues.apache.org/jira/browse/HIVE-22907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17052638#comment-17052638
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Jesus Camacho Rodriguez commented on HIVE-22907:
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+1
> Break up DDLSemanticAnalyzer - extract the rest of the Alter Table analyzers
> ----------------------------------------------------------------------------
>
> Key: HIVE-22907
> URL: https://issues.apache.org/jira/browse/HIVE-22907
> Project: Hive
> Issue Type: Sub-task
> Reporter: Miklos Gergely
> Assignee: Miklos Gergely
> Priority: Major
> Labels: refactor-ddl
> Attachments: HIVE-22907.01.patch, HIVE-22907.02.patch,
> HIVE-22907.03.patch
>
>
> DDLSemanticAnalyzer is a huge class, more than 4000 lines long. The goal is
> to refactor it in order to have everything cut into more handleable classes
> under the package org.apache.hadoop.hive.ql.exec.ddl:
> * have a separate class for each analyzers
> * have a package for each operation, containing an analyzer, a description,
> and an operation, so the amount of classes under a package is more manageable
> Step #15: extract the rest of the alter table analyzers from
> DDLSemanticAnalyzer, and move them under the new package. Remove
> DDLSemanticAnalyzer.
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