[jbosstools-issues] [JBoss JIRA] (JBIDE-22071) JDBCMetaDataConfiguration should allow fetching of table names only

[Rastislav Wagner (JIRA)]

     [ https://issues.jboss.org/browse/JBIDE-22071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rastislav Wagner closed JBIDE-22071.
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> JDBCMetaDataConfiguration should allow fetching of table names only
> -------------------------------------------------------------------
>
>                 Key: JBIDE-22071
>                 URL: https://issues.jboss.org/browse/JBIDE-22071
>             Project: Tools (JBoss Tools)
>          Issue Type: Enhancement
>          Components: hibernate
>         Environment: Hibernate Tools 4.3.1.Final ({{org.hibernate:hibernate-tools:4.3.1.Final}})
>            Reporter: George Gastaldi
>            Assignee: Koen Aers
>             Fix For: 4.4.0.Final
>
>
> I have a MySQL DB containing 40 tables. When I call {{org.hibernate.cfg.JDBCMetaDataConfiguration.readFromJDBC()}} it takes a considerably amount of time (minutes) when all I need are the table names. It seems that this method reads the entire mapping structure for all tables.
> This is where I am using it: https://github.com/forge/core/blob/master/database-tools/impl/src/main/java/org/jboss/forge/addon/database/tools/generate/DatabaseTableSelectionStep.java#L102. 
> The {{HibernateToolsHelper}} class calls {{JDBCMetaDataConfiguration.readFromJDBC()}} here: https://github.com/forge/core/blob/master/database-tools/impl/src/main/java/org/jboss/forge/addon/database/tools/util/HibernateToolsHelper.java#L28
> Can we improve this class to return only the table names and avoid this extra amount of work? 



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