Gift Sinthong created ASTERIXDB-2901:
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             Summary: Infer type from CSV header
                 Key: ASTERIXDB-2901
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2901
             Project: Apache AsterixDB
          Issue Type: New Feature
            Reporter: Gift Sinthong


Creating external datasets from CSV files should be able to infer the attribute 
names from the file header if present and sample records for the data type. For 
example, in the create statement there could be a header flag like the below 
statement.

CREATE EXTERNAL DATASET Employee() USING localfs 
(("path"="localhost:///employees.csv"), ("format"="delimited-text"), 
("delimiter"=","), ("header"="true"))



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