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https://issues.apache.org/jira/browse/CASSANDRA-9306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535139#comment-14535139
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Jim Witschey commented on CASSANDRA-9306:
-----------------------------------------
CQL {{COPY}} [only has dtests in the {{cqlsh}}
tests|https://gist.github.com/mambocab/1263032317de6f2caf79]. I'll see if I can
make my tests use both cqlsh and straight CQL. I can't, I'll open another
ticket to test {{COPY}} in CQL.
> Test coverage for cqlsh COPY
> ----------------------------
>
> Key: CASSANDRA-9306
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9306
> Project: Cassandra
> Issue Type: Test
> Components: Core
> Reporter: Tyler Hobbs
> Assignee: Jim Witschey
> Labels: cqlsh
> Fix For: 3.x, 2.1.x
>
>
> We need much more thorough test coverage for cqlsh's COPY TO/FROM commands.
> There is one existing basic dtest ({{cqlsh_tests.py:TestCqlsh.test_copy_to}})
> that we can use as a starting point for new tests.
> The following things need to be tested:
> * Non-default delimiters
> * Null fields and non-default null markers
> * Skipping a header line
> * Explicit column ordering
> * Column names that need to be quoted
> * Every supported C* data type
> * Data that fails validation server-side
> * Wrong number of columns
> * Node going down during COPY operation
> In the non-failure cases, the tests should generally inserted data into
> Cassandra, run COPY TO to dump the data to CSV, truncate, run COPY FROM to
> reimport the data, and then verify that the reloaded data matches the
> originally inserted data.
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