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https://issues.apache.org/jira/browse/PHOENIX-5607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17001919#comment-17001919
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Lars Hofhansl commented on PHOENIX-5607:
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I committed PHOENIX-5617. For the last 4.15.1RC4 I just did the following:
# Downloaded the previous Phoenix version.
# Started phoenix_sandbox
# Ran a simple script for some SQL commands in 4.14's psql.
# Ran a similarly simple script using 4.15's psql.
# Repeated again with 4.14 and 4.15.
# 3-5 are executed from a shell script.
This is very simple and it's easy to cover many upgrade scenarios this way! And
this can be collected into a single script that we can run as part of the test
suite.
> Client-server backward compatibility tests
> -------------------------------------------
>
> Key: PHOENIX-5607
> URL: https://issues.apache.org/jira/browse/PHOENIX-5607
> Project: Phoenix
> Issue Type: Test
> Affects Versions: 4.15.0
> Reporter: Lars Hofhansl
> Priority: Blocker
> Labels: phoenix-hardening
> Fix For: 4.16.0
>
>
> Filing this as a blocker for 4.16.0.
> As we've seen with the various failed attempts to release 4.15.0 Phoenix'
> backwards compatibility story is weak, and lacks tests - in fact there're no
> tests.
> We should not allow to ship 4.16.0 without improving that and without tests.
> [~ckulkarni], [~gjacoby] , FYI, what we discussed.
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