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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2017/03/08 02:07:38 UTC

[jira] [Created] (CALCITE-1676) In file adapter, scan directory for .csv, .json and .gz files

Julian Hyde created CALCITE-1676:
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             Summary: In file adapter, scan directory for .csv, .json and .gz files
                 Key: CALCITE-1676
                 URL: https://issues.apache.org/jira/browse/CALCITE-1676
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde
            Assignee: Julian Hyde
             Fix For: 1.12.0


File adapter should scan the directory for .csv and .json files and convert each into a table. If the files have a .gz suffix they are assumed to be gzip-compressed files.

The first line of a .csv file is the column headers. If the file is empty, the file adapter gives the table a single column, {{EmptyFileHasNoColumns BOOLEAN}}.



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