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https://issues.apache.org/jira/browse/CALCITE-2045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351203#comment-16351203
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Shuyi Chen commented on CALCITE-2045:
-------------------------------------
Hi [~julianhyde], shall we also extend SqlDataTypeSpec and the parser to
support complex type expressions like:
{code:java}
ROW(NUMBER(5, 2) NOT NULL AS foo, ROW(BOOLEAN AS b, MyUDT NOT NULL AS i) AS rec)
{code}
However, the grammar might be slightly different than the grammar in what we
discussed above in "CREATE TYPE", i.e.,
{code:java}
CREATE TYPE myType AS (b BOOLEAN, i MyUDT NOT NULL)
CREATE TYPE myType2 AS (foo NUMBER(5, 2) NOT NULL, rec myType){code}
Should we converge them, or leave them as 2 different parser implementations?
Thanks a lot.
> Support "CREATE TYPE" DDL
> -------------------------
>
> Key: CALCITE-2045
> URL: https://issues.apache.org/jira/browse/CALCITE-2045
> Project: Calcite
> Issue Type: New Feature
> Components: core
> Reporter: Shuyi Chen
> Assignee: Julian Hyde
> Priority: Major
>
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