Maryann Xue created CALCITE-815:
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Summary: Add an option to allow empty strings to represent null
values
Key: CALCITE-815
URL: https://issues.apache.org/jira/browse/CALCITE-815
Project: Calcite
Issue Type: New Feature
Reporter: Maryann Xue
Assignee: Julian Hyde-- This message was sent by Atlassian JIRA (v6.3.4#6332)
