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https://issues.apache.org/jira/browse/DERBY-4555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Danoja Dias updated DERBY-4555:
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Attachment: addNewSystemProcedureWithTest.diff
I wrote tests for new procedure with the comments given by Rick before and
referring to ImportExportTest.java that has implemented the tests of
SYSCS_IMPORT_TABLE .
In ImportExportTest.java importing and exporting both are done. Therefore
external .dat file is created there. I also tried using that method.
I have attached the diff file as addNewSystemProcedureWithTest.diff . I get
some errors when running the tests as follows
The export operation was not performed, because the specified output file
(pet.dat) already exists.
Any suggestion about getting the file that is to be imported?
Another error in Changes10_13.java at line 293 when doing hard upgrade,
'SYSCS_UTIL.SYSCS_IMPORT_TABLE_BULK' is not recognized as a function or
procedure.
Thanks.
> Expand SYSCS_IMPORT_TABLE to accept CSV file with header lines
> --------------------------------------------------------------
>
> Key: DERBY-4555
> URL: https://issues.apache.org/jira/browse/DERBY-4555
> Project: Derby
> Issue Type: Improvement
> Components: Miscellaneous
> Reporter: Yair Lenga
> Assignee: Danoja Dias
> Attachments: NoVarargs.diff, Varargs.diff,
> addNewSystemProcedureWithTest.diff, addNewSystemProcedure_1.diff,
> gotException.diff, hardCoded.diff, latest.diff, noHeaderLines.csv,
> petlist.csv, petlist.csv, petlist.csv, repro.java, repro.java, repro.java,
> skipHeaders.diff
>
>
> The SYSCS_IMPORT_TABLE (and SYSCS_IMPORT_DATA) function allow import of data
> from external resources. In general, they can process CSV files that created
> with various tools - with one exception: the header line.
> While there is no accepted standard, most tools will include a header line in
> the CSV file with column names. This convention is supported in Excel and
> many other tools.
> My Request: extend the SYSCS_IMPORT_TABLe and SYSCS_IMPORT_DATA (and other
> related procedures) to include an extra indicator for the number of header
> lines to be ignored.
> As an extra bonus it will be help is the SYSCS_IMPORT_DATA will accept column
> names (instead of column indexes) in the 'COLUMNINDEXES' arguments. E.g., it
> should be possible to indicate COLUMNINDEXES of '1,3,sales,5,'. This feature
> will make it significantly easier to handle cases where the external input
> files is extended to include additional columns.
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