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https://issues.apache.org/jira/browse/PHOENIX-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14613266#comment-14613266
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James Taylor commented on PHOENIX-922:
--------------------------------------
Excellent, [~maryannxue]. Thank so much for the quick turnaround. Would you
mind adding a couple more tests:
- using a constant expression in SELECT without FROM:
{code}
SELECT 2*3*4, 5+1
{code}
- a couple of negative tests where you try to reference a column:
{code}
SELECT foo,bar
{code}
You can definitely add the negative test to QueryCompilerTest and probably the
other one too (it'll be a good test that you don't need a connection as you
wouldn't have one).
+1 after those nits.
> Support SELECT without a from clause
> ------------------------------------
>
> Key: PHOENIX-922
> URL: https://issues.apache.org/jira/browse/PHOENIX-922
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.0.0
> Reporter: Dan Di Spaltro
> Assignee: Maryann Xue
> Attachments: PHOENIX-922.patch
>
>
> You should be able to select any "generator" type function from Phoenix
> without specifying a table. For instance a sequence needs an arbitrary
> potentially unrelated table just to get the next value. The fix should
> enable queries like this:
> {code}
> SELECT NEXT VALUE FOR my_seq
> {code}
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