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https://issues.apache.org/jira/browse/ASTERIXDB-2539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16815915#comment-16815915
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ASF subversion and git services commented on ASTERIXDB-2539:
------------------------------------------------------------
Commit 393215edef5f0482ed92c932790c87015202cb44 in asterixdb's branch
refs/heads/master from Dmitry Lychagin
[ https://gitbox.apache.org/repos/asf?p=asterixdb.git;h=393215e ]
[ASTERIXDB-2539][COMP] Exclude LET variables from "Single Variable Resolution"
rule
- user model changes: yes
- storage format changes: no
- interface changes: no
Details:
- Variables introduced by LET clauses should not be
considered by "Single Variable Resolution" rule
- In INSERT/UPSERT statements with RETURNING expression
the automatically introduced variable should be named
as the target dataset
- Refactor VariableCheckAndRewriteVisitor and
other code related to name resolution
- Added testcases and updated documentation
Change-Id: I9b9f70a1671378f5216ec4e30416d4d67c3df089
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3322
Tested-by: Jenkins <[email protected]>
Integration-Tests: Jenkins <[email protected]>
Reviewed-by: Till Westmann <[email protected]>
> Exclude LET variables from "Single Variable Resolution" rule
> ------------------------------------------------------------
>
> Key: ASTERIXDB-2539
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2539
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: COMP - Compiler
> Affects Versions: 0.9.4
> Reporter: Dmitry Lychagin
> Assignee: Dmitry Lychagin
> Priority: Minor
> Fix For: 0.9.4.2
>
>
> When applying "Single Variable Resolution" rule described in
> https://ci.apache.org/projects/asterixdb/sqlpp/manual.html#Variable_bindings_and_name_resolution
> We should only consider variables defined by FROM clause and ignore variables
> defined by subsequent LET clauses.
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