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Wes McKinney reassigned ARROW-3693: ----------------------------------- Assignee: Romain François > [R] Invalid buffer for empty characters with null data > ------------------------------------------------------ > > Key: ARROW-3693 > URL: https://issues.apache.org/jira/browse/ARROW-3693 > Project: Apache Arrow > Issue Type: Improvement > Components: R > Reporter: Javier Luraschi > Assignee: Romain François > Priority: Major > Labels: pull-request-available > Fix For: 0.12.0 > > Attachments: Screen Shot 2018-11-02 at 10.27.11 PM.png > > Time Spent: 3.5h > Remaining Estimate: 0h > > I'm hitting this from data coming from Spark while retrieving this data frame: > > > {code:java} > <database> <name> <temp> > default a TRUE > b TRUE > {code} > > Error: > {code:java} > error: Failed to fetch data: invalid data in buffer 2 > {code} > The problem is that is possible to have a NULL character array with offsets > set to 0, notice that in the example above Spark returns two batches, so > effectively, we are trying to parse: > > {code:java} > <database> <name> <temp> > b TRUE > {code} > > Where the data array is NULL and the offsets 0s for the <database> columns. > Here is a snapshot while debugging StringArray_to_Vector: > !Screen Shot 2018-11-02 at 10.27.11 PM.png! -- This message was sent by Atlassian JIRA (v7.6.3#76005)