[jira] [Created] (PIG-4578) ToDateISO should support optional ' ' space variant used by JDBC

["Michael Howard (JIRA)" <ji...@apache.org>]

Michael Howard created PIG-4578:
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             Summary: ToDateISO should support optional ' ' space variant used by JDBC
                 Key: PIG-4578
                 URL: https://issues.apache.org/jira/browse/PIG-4578
             Project: Pig
          Issue Type: Improvement
          Components: internal-udfs
            Reporter: Michael Howard
            Assignee: Michael Howard
            Priority: Minor


ISO-8601 standardizes text representation of dates and times. 
Strict ISO-8601 requires a 'T' between the date and time portion. 
ISO-8601 allows a ' ' space as a variant. 
JDBC uses a ' ' space between the date and time portion. 
Hive (& Impala) adopt the JDBC ' ' space variant. 

The pig built-in UDF ToDateISO(chararray) currently accepts only the strict 'T' format. This makes it difficult to integrate with data from JDBC sources, including Hive. 

ToDateISO(chararray) should allow either the 'T' or ' ' space variant when parsing string representations of datetime primitives. 



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