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Posted to dev@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2016/02/12 13:01:18 UTC
[jira] [Created] (IGNITE-2641) Improve usability of "SELECT *"
SqlQuery.
Vladimir Ozerov created IGNITE-2641:
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Summary: Improve usability of "SELECT *" SqlQuery.
Key: IGNITE-2641
URL: https://issues.apache.org/jira/browse/IGNITE-2641
Project: Ignite
Issue Type: Task
Components: cache
Affects Versions: 1.5.0.final
Reporter: Vladimir Ozerov
Fix For: 1.6
*Case 1*:
{code}SELECT * FROM Employee e{code}
Result: exception:
Reason: query is expanded to
{code}SELECT Employee._key, Employee._val FROM EMPLOYEE e{code}
instead of
{code}SELECT e._key, e._val FROM EMPLOYEE e{code}
*Case 2*
{code}SELECT e.* FROM Employee e{code}
Result: exception
Reason: hard-coded check in IgniteH2Indexing.generateQuery():
{code}
if (!qry.startsWith("*"))
throw new IgniteCheckedException(...);
{code}
*Proposed solution*
Instead of checking for asteriks, we must also check for "[table/alias].*" pattern.
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