Rel version 0.3.13 Alpha now available

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Dave
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Posts: 367
Joined: Sun Nov 27, 2005 7:19 pm

Rel version 0.3.13 Alpha now available

Post by Dave » Thu Oct 16, 2008 1:58 am

This version of Rel fixes some bugs and provides
several enhancements.

First, the fixes:

- In some cases, an expression that used the result
of one WHERE operator as input to another WHERE
operator would generate bogus results or throw
an exception. This has been corrected.

- JOINing relations with relation-valued attributes
could cause an exception. This has been corrected.

- If a database update resulted in a database constraint
violation, it would display bogus tuple update notices
and/or carry erroneous tuple update counts to subsequent
updates. This has been corrected.

The following enhancements have been made:

- When using DBrowser in un-enhanced mode, literal
CHARACTER values are now output with delimiters.
This is done to be consistent with the view that
un-enhanced output can be fed to the input and
parsed.

- A character LENGTH operator has been added to
the OperatorsChar.d script.

- When using DBrowser in enhanced mode, literal
CHARACTER values are displayed without delimiters.

- Error messages have been made more readable.
Extraneous token names have been removed and
un-terminated character strings no longer
generate an error message with confusing
internal debugging information.

For more information, or to download Rel, see
http://dbappbuilder.sourceforge.net/Rel.html

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