[teiid-issues] [JBoss JIRA] Created: (TEIID-1097) Add support for nested table references

[Steve Hawkins (JIRA)]

Add support for nested table references
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                 Key: TEIID-1097
                 URL: https://jira.jboss.org/browse/TEIID-1097
             Project: Teiid
          Issue Type: Feature Request
          Components: Query Engine
    Affects Versions: 7.0
            Reporter: Steve Hawkins
            Assignee: Steve Hawkins
             Fix For: 7.1


Our current approach to procedural relational queries that relies upon criteria is difficult to use and causes numerous problems, such as TEIID-32 and unclear applicability of default values.  It would be easier to just add support nested table references. e.g.

select * from t, table(... t.x) t1

Where the join between the procedure or query contained in the table expression is implied.  See http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp?topic=/com.ibm.db29.doc.sqlref/db2z_sql_tablereference.htm for more on the usage constraints.

This functionality is also needed by the XMLTABLE function.



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