benj created DRILL-7020:
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Summary: big varchar doesn't work with extractHeader=true
Key: DRILL-7020
URL: https://issues.apache.org/jira/browse/DRILL-7020
Project: Apache Drill
Issue Type: Bug
Components: Storage - Text & CSV
Affects Versions: 1.15.0
Reporter: benj
with a TEST file of csv type like
{code:java}
col1,col2
w,x
...y...,z
{code}
where ...y... is > 65536 characters string (let say 66000 for example)
SELECT with +*extractHeader=false*+ are OK
{code:java}
SELECT * FROM TABLE(tmp.`TEST`(type => 'text', fieldDelimiter => ',',
extractHeader => false));
col1 | col2
+---------+------
| w | x
| ...y... | z
{code}
But SELECT with +*extractHeader=true*+ gives an error
{code:java}
SELECT * FROM TABLE(tmp.`TEST`(type => 'text', fieldDelimiter => ',',
extractHeader => true));
Error: UNSUPPORTED_OPERATION ERROR: Trying to write something big in a column
columnIndex 1
Limit 65536
Fragment 0:0
{code}
Note that is possible to use extractHeader=false with skipFirstLine=true but in
this case it's not possible to automatically get columns names.
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