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https://issues.apache.org/jira/browse/DERBY-3986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12764605#action_12764605
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Knut Anders Hatlen commented on DERBY-3986:
-------------------------------------------
Not only are the generated grammars dropped into the svn-controlled space, but
at least two of the generated files are even checked in
(impl/sql/compile/ParseException.java and impl/tools/ij/ParseException.java) so
that they are not re-generated. I tried to remove them and did "ant clobber" +
"ant" to regenerate them, and then some of the syntax errors actually became
more helpful.
For example, the error message for this statement
ij> create table t;
changed from
ERROR 42X01: Syntax error: Encountered "<EOF>" at line 1, column 14.
to the more helpful
ERROR 42X01: Syntax error: Encountered "<EOF>" at line 1, column 14.
Was expecting one of:
"as" ...
"(" ...
.
Some of the error messages did however become very long after this change, like
the error for "select * from t1 inner join t2" which listed more than 150
alternatives.
> Stop dropping build artifacts in the subversion-controlled source tree
> ----------------------------------------------------------------------
>
> Key: DERBY-3986
> URL: https://issues.apache.org/jira/browse/DERBY-3986
> Project: Derby
> Issue Type: Improvement
> Components: Build tools
> Affects Versions: 10.5.1.1
> Reporter: Rick Hillegas
> Attachments: derby-3986-01-aa-checkCompilerLevel.diff
>
>
> The Derby build drops various artifacts in the source tree. Build artifacts
> should not muddy subversion controlled directories but should, instead, go
> into temporary directories created by the the build.
> The following is a (perhaps partial) list of artifacts currently dropped into
> subversion-controlled space:
> Sanity directives
> Generated grammars
> The English error messages
> Data type class sizes
> Toursdb
> Temporary class for verifying compiler level
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