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https://issues.apache.org/jira/browse/CASSANDRA-16372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Brandon Williams updated CASSANDRA-16372:
-----------------------------------------
Status: Ready to Commit (was: Review In Progress)
> Import from csv of empty strings in list fails with a ParseError: Empty
> values are not allowed, given up without retries
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-16372
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16372
> Project: Cassandra
> Issue Type: Bug
> Components: Tool/cqlsh
> Reporter: Ostico
> Assignee: Aleksandr Sorokoumov
> Priority: Normal
> Fix For: 3.0.24, 3.11.10, 4.0-rc
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
>
> Cqlsh fail to import an empty string which is present in a list data type.
> {color:#ff0000}_In those conditions, simple csv backups can discard rows and
> data can be corrupted._{color}
>
> *Conditions*
>
> {code:java}
> # cqlsh
> Connected to Test Cluster at 127.0.0.1:9042.
> [cqlsh 5.0.1 | Cassandra 3.11.6 | CQL spec 3.4.4 | Native protocol v4]
> Use HELP for help.
> CREATE TABLE test.test_1 (
> uid uuid PRIMARY KEY,
> texts list<text>
> );
> insert into test.test_1 ( uid, texts ) VALUES(
> 833fee3f-d4f9-418b-9387-84ac2cda5cb7, ['But if you now try to wash your
> hands,', ''] );
> {code}
>
> Now exporting and and re-importing data fails:
>
> {code:java}
> cqlsh> select * from test.test_1;
> uid | texts
> --------------------------------------+------------------------------------------------
> 833fee3f-d4f9-418b-9387-84ac2cda5cb7 | ['But if you now try to wash your
> hands,', '']
> cqlsh> COPY test.test_1 (uid, texts) TO 'ctm.csv';
> Using 7 child processesStarting copy of test.test_1 with columns [uid, texts].
> Processed: 1 rows; Rate: 9 rows/s; Avg. rate: 9 rows/s 1 rows exported to 1
> files in 0.148 seconds.
> cqlsh> truncate table test.test_1;
> cqlsh> COPY test.test_1 (uid, texts) FROM 'ctm.csv';
> Using 7 child processes
> Starting copy of test.test_1 with columns [uid, texts].
> Failed to import 1 rows: ParseError - Failed to parse ['But if you now try to
> wash your hands,', ''] : Empty values are not allowed, given up without
> retries
> Failed to process 1 rows; failed rows written to import_test_test_1.err
> Processed: 1 rows; Rate: 2 rows/s; Avg. rate: 2 rows/s
> 1 rows imported from 1 files in 0.415 seconds (0 skipped).
> cqlsh> select * from test.test_1;
> uid | pid
> -----+-----
> {code}
>
>
>
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