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https://issues.apache.org/jira/browse/CASSANDRA-18787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17761374#comment-17761374
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Brad Schoening commented on CASSANDRA-18787:
--------------------------------------------

Upon looking into this further, it would seem that the [copy 
options|https://docs.datastax.com/en/cql-oss/3.x/cql/cql_reference/cqlshCopy.html#Settingcopyoptions]
 for CVS in COPY FROM/TO are now provided as args to the copy command (instead 
of cqlsh). 

 
{code:java}
cqlsh> help copy from
       Available common COPY options and defaults:
          DELIMITER=','           - character that appears between records
          QUOTE='"'               - quoting character to be used to quote fields
          ESCAPE='\'              - character to appear before the QUOTE char 
when quoted
          HEADER=false            - whether to ignore the first line
          ... etc
{code}
 

When copyutil was created with Cassandra 2.1, it seems they didn't include 
field_size_limit as one of the options.

> Replace obsolete Python functions
> ---------------------------------
>
>                 Key: CASSANDRA-18787
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-18787
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: CQL/Interpreter
>            Reporter: Brad Schoening
>            Assignee: Brad Schoening
>            Priority: Low
>             Fix For: 5.x
>
>
> # Python's stdlib datetime.timezone.utc can replace the custom UTC timezone 
> in pylib/cqlshlib/util.py.
>  # Removed unused attributes and functions:
>  ## field_size _limit 
>  ## trim_if_present()
>  ## maybe_ensure_text()
>  # Simplify cql_version handling into a settor
> Functionality should remain the same while simplifying the code by 
> eliminating ~60 lines.



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